diff --git a/bash-5.1/Cargo.toml b/bash-5.1/Cargo.toml
index 87ccd3a0269ba34196c9eb01287cb92d0d552724..0c967670afade1c367ba5e87fb5f37d845513d73 100644
--- a/bash-5.1/Cargo.toml
+++ b/bash-5.1/Cargo.toml
@@ -65,7 +65,7 @@ members=[
 ]
 
 [dependencies]
- libc = "*"
+ libc = "0.2"
  rread = {path = "./builtins_rust/read"}
  rhistory = {path = "./builtins_rust/history"}
  rkill = {path = "./builtins_rust/kill"}
diff --git a/bash-5.1/Makefile.in b/bash-5.1/Makefile.in
index 75e657d0b40b89a5bcc47076bb4339e1117c74ed..3ea296c012dfd886dc9eb74e134086374264f86c 100644
--- a/bash-5.1/Makefile.in
+++ b/bash-5.1/Makefile.in
@@ -243,7 +243,7 @@ SHLIB_DEP = ${SHLIB_LIBRARY}
 
 # we assume for now that readline source is being shipped with bash
 RL_LIBSRC = $(LIBSRC)/readline
-# RL_LIBDOC = $(RL_LIBSRC)/doc
+RL_LIBDOC = $(RL_LIBSRC)/doc
 RL_LIBDIR = @RL_LIBDIR@
 RL_ABSSRC = ${topdir}/$(RL_LIBDIR)
 
@@ -535,6 +535,10 @@ BUILTINS_LIB = -lbuiltins
 BUILTINS_LDFLAGS = -L$(DEFDIR)
 BUILTINS_DEP = $(BUILTINS_LIBRARY)
 
+# Documentation for the shell.
+DOCSRC = $(srcdir)/doc
+DOCDIR = $(dot)/doc
+
 # Translations and other i18n support files
 PO_SRC = $(srcdir)/po/
 PO_DIR = $(dot)/po/
@@ -553,21 +557,21 @@ CREATED_SUPPORT = signames.h recho$(EXEEXT) zecho$(EXEEXT) printenv$(EXEEXT) \
 		  buildversion.o mksignames.o signames.o buildsignames.o
 CREATED_CONFIGURE = config.h config.cache config.status config.log \
 		    stamp-h po/POTFILES config.status.lineno
-CREATED_MAKEFILES = Makefile builtins/Makefile \
+CREATED_MAKEFILES = Makefile builtins/Makefile doc/Makefile \
 		    lib/readline/Makefile lib/glob/Makefile \
 		    lib/sh/Makefile lib/tilde/Makefile lib/malloc/Makefile \
-		    lib/termcap/Makefile \
-		    support/Makefile \
+		    lib/termcap/Makefile examples/loadables/Makefile \
+		    examples/loadables/Makefile.inc \
+		    examples/loadables/perl/Makefile support/Makefile \
 		    lib/intl/Makefile po/Makefile po/Makefile.in
 CREATED_HEADERS = signames.h config.h pathnames.h version.h y.tab.h \
 		  ${DEFDIR}/builtext.h
 
 OTHER_DOCS = $(srcdir)/CHANGES $(srcdir)/COMPAT $(srcdir)/NEWS $(srcdir)/POSIX \
-	$(srcdir)/RBASH
+	$(srcdir)/RBASH $(srcdir)/README
 OTHER_INSTALLED_DOCS = CHANGES COMPAT NEWS POSIX RBASH README
 
-LANGSUBDIR = resources
-LANGSRC = $(srcdir)/$(LANGSUBDIR)
+LOADABLES_DIR = ${top_builddir}/examples/loadables
 
 RUST_DIR = $(top_builddir)/builtins_rust
 #RUST_TARGET_LIB = $(top_builddir)/target/debug/librjobs.a $(top_builddir)/target/debug/librread.a
@@ -794,6 +798,8 @@ $(srcdir)/configure:	$(srcdir)/configure.ac $(srcdir)/aclocal.m4 $(srcdir)/confi
 reconfig: force
 	sh $(srcdir)/configure -C
 
+loadables:
+	cd $(LOADABLES_DIR) && $(MAKE) $(MFLAGS) all
 
 #newversion:	mkversion
 #	$(RM) .build
@@ -801,6 +807,11 @@ reconfig: force
 #	mv -f newversion.h version.h
 #	$(MAKE) -f $(srcdir)/Makefile $(MFLAGS) srcdir=$(srcdir)
 
+doc documentation:  force
+	@(cd $(DOCDIR) ; $(MAKE) $(MFLAGS) )
+
+info dvi ps: force
+	@(cd $(DOCDIR) ; $(MAKE) $(MFLAGS) CFLAGS='$(CCFLAGS)' $@ )
 
 force:
 
@@ -815,17 +826,21 @@ tags:	$(SOURCES) $(BUILTIN_C_SRC) $(LIBRARY_SOURCE)
 
 installdirs:
 	@${SHELL} $(SUPPORT_SRC)mkinstalldirs $(DESTDIR)$(bindir)
+	@${SHELL} $(SUPPORT_SRC)mkinstalldirs $(DESTDIR)$(man1dir)
 	@${SHELL} $(SUPPORT_SRC)mkinstalldirs $(DESTDIR)$(infodir)
+	@${SHELL} $(SUPPORT_SRC)mkinstalldirs $(DESTDIR)$(docdir)
 	-( cd $(PO_DIR) ; $(MAKE) $(MFLAGS) DESTDIR=$(DESTDIR) $@ )
 
 install:	.made installdirs
 	$(INSTALL_PROGRAM) $(INSTALLMODE) $(Program) $(DESTDIR)$(bindir)/$(Program)
 	$(INSTALL_SCRIPT) $(INSTALLMODE2) rashbug $(DESTDIR)$(bindir)/rashbug
+	$(INSTALL_DATA) $(OTHER_DOCS) $(DESTDIR)$(docdir)
+	-( cd $(DOCDIR) ; $(MAKE) $(MFLAGS) \
+		man1dir=$(man1dir) man1ext=$(man1ext) \
+		man3dir=$(man3dir) man3ext=$(man3ext) \
+		infodir=$(infodir) htmldir=$(htmldir) DESTDIR=$(DESTDIR) $@ )
 	-( cd $(DEFDIR) ; $(MAKE) $(MFLAGS) DESTDIR=$(DESTDIR) $@ )
 	-( cd $(PO_DIR) ; $(MAKE) $(MFLAGS) DESTDIR=$(DESTDIR) $@ )
-	-($(INSTALL_DATA) -D $(INSTALLMODE2) $(LANGSRC)/zh-CN/* -t $(DESTDIR)$(datadir)/utshell/${LANGSRC}/zh-CN  )
-	-($(INSTALL_DATA) -D $(INSTALLMODE2) $(LANGSRC)/zh-HK/* -t $(DESTDIR)$(datadir)/utshell/${LANGSRC}/zh-HK  )
-	-($(INSTALL_DATA) -D $(INSTALLMODE2) $(LANGSRC)/en-US/* -t $(DESTDIR)$(datadir)/utshell/${LANGSRC}/en-US  )
 
 install-strip:
 	$(MAKE) $(MFLAGS) INSTALL_PROGRAM='$(INSTALL_PROGRAM) -s' \
@@ -866,8 +881,13 @@ uninstall-headers:
 
 uninstall:	.made
 	$(RM) $(DESTDIR)$(bindir)/$(Program) $(DESTDIR)$(bindir)/rashbug
+	-( cd $(DESTDIR)$(docdir) && ${RM} ${OTHER_INSTALLED_DOCS} )
+	-( cd $(DOCDIR) ; $(MAKE) $(MFLAGS) \
+		man1dir=$(man1dir) man1ext=$(man1ext) \
+		man3dir=$(man3dir) man3ext=$(man3ext) \
+		infodir=$(infodir) htmldir=$(htmldir) DESTDIR=$(DESTDIR) $@ )
 	-( cd $(PO_DIR) ; $(MAKE) $(MFLAGS) DESTDIR=$(DESTDIR) $@ )
-	$(RM) -r $(DESTDIR)$(datadir)/utshell
+	-( cd $(LOADABLES_DIR) && $(MAKE) $(MFLAGS) DESTDIR=$(DESTDIR) $@ )
 
 .PHONY: basic-clean clean realclean maintainer-clean distclean mostlyclean maybe-clean
 
@@ -880,30 +900,36 @@ basic-clean:
 	cargo clean
 
 clean:	basic-clean
+	( cd $(DOCDIR) && $(MAKE) $(MFLAGS) $@ )
 	( cd builtins && $(MAKE) $(MFLAGS) $@ )
 	-( cd $(SDIR) && $(MAKE) $(MFLAGS) $@ )
 	-for libdir in ${LIB_SUBDIRS}; do \
 		(cd $$libdir && test -f Makefile && $(MAKE) $(MFLAGS) $@) ;\
 	done
 	-( cd $(PO_DIR) ; $(MAKE) $(MFLAGS) DESTDIR=$(DESTDIR) $@ )
+	-( cd $(LOADABLES_DIR) && $(MAKE) $(MFLAGS) DESTDIR=$(DESTDIR) $@ )
 	$(RM) $(CREATED_SUPPORT)
 	cargo clean
 
 mostlyclean: basic-clean
+	( cd $(DOCDIR) && $(MAKE) $(MFLAGS) $@ )
 	( cd builtins && $(MAKE) $(MFLAGS) $@ )
 	-( cd $(SDIR) && $(MAKE) $(MFLAGS) $@ )
 	-for libdir in ${LIB_SUBDIRS}; do \
 		(cd $$libdir && test -f Makefile && $(MAKE) $(MFLAGS) $@) ;\
 	done
 	-( cd $(PO_DIR) ; $(MAKE) $(MFLAGS) DESTDIR=$(DESTDIR) $@ )
+	-( cd $(LOADABLES_DIR) && $(MAKE) $(MFLAGS) DESTDIR=$(DESTDIR) $@ )
 
 distclean:	basic-clean maybe-clean
+	( cd $(DOCDIR) && $(MAKE) $(MFLAGS) $@ )
 	( cd builtins && $(MAKE) $(MFLAGS) $@ )
 	-( cd $(SDIR) && $(MAKE) $(MFLAGS) $@ )
 	-for libdir in ${LIB_SUBDIRS}; do \
 		(cd $$libdir && test -f Makefile && $(MAKE) $(MFLAGS) $@) ;\
 	done
 	-( cd $(PO_DIR) ; $(MAKE) $(MFLAGS) DESTDIR=$(DESTDIR) $@ )
+	-( cd $(LOADABLES_DIR) && $(MAKE) $(MFLAGS) DESTDIR=$(DESTDIR) $@ )
 	$(RM) $(CREATED_CONFIGURE) tags TAGS 
 	$(RM) $(CREATED_SUPPORT) Makefile $(CREATED_MAKEFILES) pathnames.h
 
@@ -911,12 +937,14 @@ maintainer-clean:	basic-clean
 	@echo This command is intended for maintainers to use.
 	@echo It deletes files that may require special tools to rebuild.
 	$(RM) y.tab.c y.tab.h parser-built tags TAGS
+	( cd $(DOCDIR) && $(MAKE) $(MFLAGS) $@ )
 	( cd builtins && $(MAKE) $(MFLAGS) $@ )
 	( cd $(SDIR) && $(MAKE) $(MFLAGS) $@ )
 	-for libdir in ${LIB_SUBDIRS}; do \
 		(cd $$libdir && test -f Makefile && $(MAKE) $(MFLAGS) $@) ;\
 	done
 	-( cd $(PO_DIR) ; $(MAKE) $(MFLAGS) DESTDIR=$(DESTDIR) $@ )
+	-( cd $(LOADABLES_DIR) && $(MAKE) $(MFLAGS) DESTDIR=$(DESTDIR) $@ )
 	$(RM) $(CREATED_CONFIGURE) $(CREATED_MAKEFILES)
 	$(RM) $(CREATED_SUPPORT) Makefile pathnames.h
 
@@ -952,6 +980,7 @@ dist:	force
 	@echo $(Program) $(srcdir)/support/mkdist -m $(srcdir)/MANIFEST -s $(srcdir) -r ${PACKAGE} -t $(PACKAGE_VERSION)
 
 xdist:	force
+	( cd $(DOCDIR) && $(MAKE) $(MFLAGS) $@ )
 	( cd po && $(MAKE) $(MFLAGS) $@ )
 
 depend:	depends
diff --git a/bash-5.1/builtins/pushd.def b/bash-5.1/builtins/pushd.def
index 033b3b30cccbeb4bfea22afed1c2459e71144eb2..de1bb2df1809c71e1e0636837fedfe554c52e358 100644
--- a/bash-5.1/builtins/pushd.def
+++ b/bash-5.1/builtins/pushd.def
@@ -414,7 +414,6 @@ int
 dirs_builtin (list)
      WORD_LIST *list;
 {
-return r_dirs_builtin(list);
   int flags, desired_index, index_flag, vflag;
   intmax_t i;
   char *temp, *w;
diff --git a/bash-5.1/builtins_rust/alias/Cargo.toml b/bash-5.1/builtins_rust/alias/Cargo.toml
index a77df038a1a33ddfed9bc6875b7b4b42588eee9c..9669a4d24c97587fd3247ddf9363184d2ae6761e 100644
--- a/bash-5.1/builtins_rust/alias/Cargo.toml
+++ b/bash-5.1/builtins_rust/alias/Cargo.toml
@@ -10,7 +10,7 @@ name = "ralias"
 crate-type = ["staticlib","rlib"]
 
 [dependencies]
-libc = "*"
+libc = "0.2"
 rcmd = {path="../cmd"}
 rcommon= {path="../common"}
-# nix = "*"
+# nix = "0.23"
diff --git a/bash-5.1/builtins_rust/alias/src/lib.rs b/bash-5.1/builtins_rust/alias/src/lib.rs
index c9e53be3218392630a90ef8e390b91eb4a9f50dc..0bc7078cdc91da96d0adfc5d9a23fde39e03b86e 100644
--- a/bash-5.1/builtins_rust/alias/src/lib.rs
+++ b/bash-5.1/builtins_rust/alias/src/lib.rs
@@ -65,6 +65,7 @@ pub static AL_REUSABLE:i32 = 0x01;
 
 #[no_mangle]
 pub unsafe extern "C" fn r_alias_builtin(mut list: *mut WordList) -> libc::c_int {
+    println!("alias_builtin run!");
     let mut any_failed;
     let mut offset;
     let mut pflag ;
@@ -159,6 +160,7 @@ pub unsafe extern "C" fn r_alias_builtin(mut list: *mut WordList) -> libc::c_int
 }
 #[no_mangle]
 pub unsafe extern "C" fn r_unalias_builtin(mut list: *mut WordList) -> libc::c_int {
+    println!("alias_builtin run!");
     let mut alias: *mut AliasT;
     let mut opt: libc::c_int;
     let mut aflag: libc::c_int;
@@ -172,7 +174,7 @@ pub unsafe extern "C" fn r_unalias_builtin(mut list: *mut WordList) -> libc::c_i
         if !(opt != -(1 as libc::c_int)) {
             break;
         }
-        match opt as u8 {
+        match opt as u8{
             b'a' => {
                 aflag = 1 as libc::c_int;
             }
diff --git a/bash-5.1/builtins_rust/bind/Cargo.toml b/bash-5.1/builtins_rust/bind/Cargo.toml
index deb8ab73a7373247f8be1415c40231f9517f1bbd..fca9b51799b3b99849988d7419c20ab10b87f0c3 100644
--- a/bash-5.1/builtins_rust/bind/Cargo.toml
+++ b/bash-5.1/builtins_rust/bind/Cargo.toml
@@ -6,8 +6,8 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-libc = "*"
-nix = "*"
+libc = "0.2"
+nix = "0.24.1"
 rcommon = {path = "../common"}
 
 [lib]
diff --git a/bash-5.1/builtins_rust/bind/src/lib.rs b/bash-5.1/builtins_rust/bind/src/lib.rs
index cb1621886b4ca68d8647d191218bfde516723f67..69fd41bec99397582a9b1bacb681cfaeb6eadffb 100644
--- a/bash-5.1/builtins_rust/bind/src/lib.rs
+++ b/bash-5.1/builtins_rust/bind/src/lib.rs
@@ -161,6 +161,8 @@ pub extern "C" fn r_bind_builtin(mut list:*mut WordList)->i32{
     let mut cmd_seq:*mut c_char;
     let t:*mut c_char;
 
+    println!("r_bind_builtin");
+
     unsafe{
         if no_line_editing != 0{
         builtin_warning(
diff --git a/bash-5.1/builtins_rust/break_1/Cargo.toml b/bash-5.1/builtins_rust/break_1/Cargo.toml
index cbdf261c26fa9b3066938b47a33b3ad94edfa3eb..085d195ef9744a42dd817b5640401c107e756e1a 100644
--- a/bash-5.1/builtins_rust/break_1/Cargo.toml
+++ b/bash-5.1/builtins_rust/break_1/Cargo.toml
@@ -6,8 +6,8 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-libc = "*"
-nix = "*"
+libc = "0.2"
+nix = "0.23.0"
 rcommon = {path="../common"}
 
 [lib]
diff --git a/bash-5.1/builtins_rust/break_1/src/lib.rs b/bash-5.1/builtins_rust/break_1/src/lib.rs
index 1240b9516eb75242f72f675b6f58d0185f33ea3a..54df7d5e0a0bdf5f4b96adb7b4192ce667b8a193 100644
--- a/bash-5.1/builtins_rust/break_1/src/lib.rs
+++ b/bash-5.1/builtins_rust/break_1/src/lib.rs
@@ -9,35 +9,26 @@ use libc::c_long;
 use rcommon::{WordList, WordDesc, EX_USAGE, EXECUTION_SUCCESS, EXECUTION_FAILURE};
 
 
+// 屏蔽警告。
+#[allow(non_camel_case_types)]
 type intmax_t = c_long;
-/*
+
 #[macro_export]
 macro_rules! ISHELP {
    ($s:expr) => {
-    libc::strcmp($s as *const libc::c_char, CString::new("--help").unwrap().as_ptr())
+    libc::strcmp($s as *const libc::c_char,CString::new("--help").unwrap().as_ptr())
     }
 }
 
 #[macro_export]
 macro_rules! CHECK_HELPOPT {
   ($l:expr) => {
-    if $l  !=std::ptr::null_mut() && (*$l).word !=std::ptr::null_mut() && ISHELP!((*(*$l).word).word) ==0 {
+    if $l  !=std::ptr::null_mut() && (*$l).word !=std::ptr::null_mut() && ISHELP!((*(*$l).word).word) == 0 {
       builtin_help ();
       return EX_USAGE;
     }
   }
 }
-*/
-fn checkhelp(l: *mut WordList) -> i32{
-    unsafe {
-    let tmp=CString::new("--help").unwrap();
-    if l!=std::ptr::null_mut() && (*l).word !=std::ptr::null_mut() && 
-        libc::strcmp((*((*l).word)).word, tmp.as_ptr()) == 0 {
-            builtin_help();
-        }
-            return EX_USAGE;
-    }
-}
 
 extern "C" {
     fn get_numeric_arg(list :*mut WordList, i: i32 , intmax :*mut intmax_t) -> i32;
@@ -59,16 +50,15 @@ pub extern "C" fn r_break_builtin(mut list :*mut WordList) -> i32 {
     //println!("enter r_break_builtin");
     let  mut  newbreak : intmax_t = 1 as intmax_t;
     unsafe {
-        checkhelp(list);
-        //CHECK_HELPOPT! (list);
+        CHECK_HELPOPT! (list);
     if check_loop_level() == 0 {
         return EXECUTION_SUCCESS!();
     }
         get_numeric_arg(list, 1, &mut newbreak as *mut intmax_t);
 
     if newbreak <= 0{
-        let mut tmp = CString::new("loop count ").unwrap();
-        sh_erange ((*(*list).word).word, tmp.as_ptr() as * mut libc::c_char);
+        #[warn(temporary_cstring_as_ptr)]
+            sh_erange ((*(*list).word).word, CString::new("loop count").unwrap().as_ptr() as * mut libc::c_char);
             //set_breaking (get_loop_level());
             breaking =  loop_level;
       return EXECUTION_FAILURE!();
@@ -84,22 +74,21 @@ pub extern "C" fn r_break_builtin(mut list :*mut WordList) -> i32 {
 }
 
 #[no_mangle]
-pub extern "C" fn r_continue_builtin (mut list :*mut WordList) -> i32 {
+pub extern "C" fn r_continue_builtin (list :*mut WordList) -> i32 {
     let mut newcont : intmax_t = 0 as intmax_t;
     unsafe {
-        //CHECK_HELPOPT! (list);
-        checkhelp(list);
+        CHECK_HELPOPT! (list);
     }
     if check_loop_level() == 0 {
         return (EXECUTION_SUCCESS!());
     }
     unsafe {
-        get_numeric_arg(list, 1, &mut newcont  as *mut intmax_t);
+        get_numeric_arg(list, 1, newcont  as *mut intmax_t);
     }
     unsafe {
     if newcont <= 0{
-        let mut tmp = CString::new("loop count ").unwrap();
-        sh_erange ((*(*list).word).word, tmp.as_ptr() as * mut libc::c_char);
+        #[warn(temporary_cstring_as_ptr)]
+        sh_erange ((*(*list).word).word, CString::new("loop count ").unwrap().as_ptr() as * mut libc::c_char);
         //set_breaking(get_loop_level());
         breaking =  loop_level;
       return (EXECUTION_FAILURE!());
diff --git a/bash-5.1/builtins_rust/builtin/Cargo.toml b/bash-5.1/builtins_rust/builtin/Cargo.toml
index 4304ddeedbaee7f115c400195bac1a5930b2d153..9301c7dcd009457302aecbbd303f57108b28af44 100644
--- a/bash-5.1/builtins_rust/builtin/Cargo.toml
+++ b/bash-5.1/builtins_rust/builtin/Cargo.toml
@@ -9,7 +9,7 @@ name = "rbuiltin"
 crate-type = ["staticlib","rlib"]
 
 [dependencies]
-libc = "*"
+libc = "0.2"
 rcmd = {path="../cmd"}
 rcommon = {path="../common"}
 
diff --git a/bash-5.1/builtins_rust/caller/Cargo.toml b/bash-5.1/builtins_rust/caller/Cargo.toml
index 4811682b59310cb60631ff6b304fb59fb3b48cd2..fe503dc2606224a8ce54bde544d86a1f3678b4a7 100644
--- a/bash-5.1/builtins_rust/caller/Cargo.toml
+++ b/bash-5.1/builtins_rust/caller/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-libc = "*"
+libc = "0.2"
 rread = {path="../read"}
 rcommon = {path="../common"}
 
diff --git a/bash-5.1/builtins_rust/caller/src/lib.rs b/bash-5.1/builtins_rust/caller/src/lib.rs
index bcc97b3a63e88e25e6f0f9f1bf638196c14bcf48..a888b5381dc63e71e6a9ca01e62fb775a0b13445 100644
--- a/bash-5.1/builtins_rust/caller/src/lib.rs
+++ b/bash-5.1/builtins_rust/caller/src/lib.rs
@@ -118,6 +118,8 @@ pub extern "C" fn r_caller_builtin(mut list:*mut WordList)->i32{
 
     let mut c_str :CString;
 
+    println!("r_caller_builtin");
+
     unsafe{
         CHECK_HELPOPT!(list);
 
@@ -150,7 +152,7 @@ pub extern "C" fn r_caller_builtin(mut list:*mut WordList)->i32{
 
         list = loptend;     /* skip over possible `--' */
         /* If there is no argument list, then give short form: line filename. */
-        if list.is_null() {
+        if list.is_null(){
             lineno_s = array_reference(bash_lineno_a,0);
             source_s = array_reference(bash_source_a,1);
             
@@ -160,6 +162,7 @@ pub extern "C" fn r_caller_builtin(mut list:*mut WordList)->i32{
             else{
                 c_str = CString::new("NULL").unwrap();
                 lineno_s = c_str.as_ptr() as *mut c_char;
+                // lineno_s = CString::new("NULL").unwrap().as_ptr() as *mut c_char;
             }
 
             if !source_s.is_null(){
@@ -168,6 +171,7 @@ pub extern "C" fn r_caller_builtin(mut list:*mut WordList)->i32{
             else{
                 c_str = CString::new("NULL").unwrap();
                 source_s = c_str.as_ptr() as *mut c_char;
+                // source_s = CString::new("NULL").unwrap().as_ptr() as *mut c_char;
             }
             let lineno_s_str = CStr::from_ptr(lineno_s).to_str().unwrap().to_owned();
             let source_s_str = CStr::from_ptr(source_s).to_str().unwrap().to_owned();
diff --git a/bash-5.1/builtins_rust/cd/Cargo.toml b/bash-5.1/builtins_rust/cd/Cargo.toml
index 2d92dc876cabfc2af756ae5b00e5584b38c84052..56ccd74535501fa2928fcedfe648cd6c4844f322 100644
--- a/bash-5.1/builtins_rust/cd/Cargo.toml
+++ b/bash-5.1/builtins_rust/cd/Cargo.toml
@@ -7,10 +7,10 @@ build = "../build.rs"
 
 
 [dependencies]
-lazy_static = "*"
-libc = "*"
+lazy_static = "1.4.0"
+libc = "0.2"
 rcommon = {path="../common"}
-nix = "*"
+nix = "0.23.0"
 
 [lib]
 crate-type = ["staticlib","rlib"]
diff --git a/bash-5.1/builtins_rust/colon/Cargo.toml b/bash-5.1/builtins_rust/colon/Cargo.toml
index a6c28aa2ca663a9dd3bbd7750a8887b79e464a91..dea395cb1e76818296846d5df4879168459a2ebf 100644
--- a/bash-5.1/builtins_rust/colon/Cargo.toml
+++ b/bash-5.1/builtins_rust/colon/Cargo.toml
@@ -10,5 +10,5 @@ crate-type = ["staticlib","rlib"]
 name = "rcolon"
 
 [dependencies]
-libc = "*"
+libc = "0.2"
 rcommon = {path ="../common"}
diff --git a/bash-5.1/builtins_rust/colon/src/lib.rs b/bash-5.1/builtins_rust/colon/src/lib.rs
index a5b8ae8be1a1aaf636d48060fafd6428db69023b..393088e96ede79e78474687505fc41faf77c5683 100644
--- a/bash-5.1/builtins_rust/colon/src/lib.rs
+++ b/bash-5.1/builtins_rust/colon/src/lib.rs
@@ -14,10 +14,12 @@ mod tests {
 
 #[no_mangle]
 pub extern "C" fn r_colon_builtin(ignore: *mut WordList )->i32 {
+    println!("in r_colon_builtin");
     0
 }
 
 #[no_mangle]
 pub extern "C" fn r_false_builtin(ignore: *mut  WordList) -> i32 {
+    println!("in r_false_builtin");
     1
 }
diff --git a/bash-5.1/builtins_rust/common/Cargo.toml b/bash-5.1/builtins_rust/common/Cargo.toml
index 12b06063abfa1429b169c05d258f9873ce890beb..374f067fa7a3dbe1753af1cb1e9385a325fa611b 100644
--- a/bash-5.1/builtins_rust/common/Cargo.toml
+++ b/bash-5.1/builtins_rust/common/Cargo.toml
@@ -1,15 +1,14 @@
 [package]
 name = "rcommon"
 version = "0.1.0"
-edition = "2018"
+edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-libc = "*"
-nix = "*"
-unic-langid = "*"
-
+libc = "0.2"
+nix = "0.24"
+unic-langid = "0.9.0"
 [lib]
 crate-type = ["staticlib","rlib"]
 name = "rcommon"
diff --git a/bash-5.1/builtins_rust/common/src/lib.rs b/bash-5.1/builtins_rust/common/src/lib.rs
index 696f3bcbe3e5a857c4c702a9ba73adabddae76b6..1e48063864edccc01012cb39dad7d68d6d0b07e6 100644
--- a/bash-5.1/builtins_rust/common/src/lib.rs
+++ b/bash-5.1/builtins_rust/common/src/lib.rs
@@ -350,7 +350,7 @@ macro_rules! DEBUG_TRAP {
 #[macro_export]
 macro_rules! NSIG {
     () => {
-        65
+        64
     };
 }
 
@@ -663,6 +663,7 @@ extern "C"{
     fn builtin_help();
     
     fn builtin_error(format:*const c_char,...);
+
 }
 
 unsafe fn ISOPTION(s:* const c_char, c:c_char)->bool
@@ -1731,7 +1732,7 @@ pub extern "C" fn r_builtin_bind_variable(name:*mut c_char,value:*mut c_char,fla
 
 /* Like check_unbind_variable, but for use by builtins (only matters for
    error messages). */
-pub extern "C" fn r_builtin_unbind_variable(vname:*const c_char)->i32{
+   pub extern "C" fn r_builtin_unbind_variable(vname:*const c_char)->i32{
     let v:*mut SHELL_VAR;
 
     unsafe{
@@ -1765,9 +1766,9 @@ pub extern "C" fn get_local_str()-> Vec<LanguageIdentifier>{
             println!("err is {e:?}")
         },
     }
-   // println!("now language is {:?}",lang);
+    println!("now language is {:?}",lang);
     //parse() 用于类型转换
     let langid : LanguageIdentifier = lang.parse().expect("wrong language");
     let locales = vec![langid.into()];
     return locales; 
-  }
+  }
\ No newline at end of file
diff --git a/bash-5.1/builtins_rust/complete/Cargo.toml b/bash-5.1/builtins_rust/complete/Cargo.toml
index d08f34aed9cda5335e45735d3e672f5f21db7973..58cadc61ad0fe38c3f24970e3db1b71c1547f779 100644
--- a/bash-5.1/builtins_rust/complete/Cargo.toml
+++ b/bash-5.1/builtins_rust/complete/Cargo.toml
@@ -7,9 +7,9 @@ edition = "2018"
 
 
 [dependencies]
-lazy_static = "*"
-libc = "*"
-nix = "*"
+lazy_static = "1.4.0"
+libc = "0.2"
+nix = "0.23.0"
 rcommon = {path="../common"}
 
 [lib]
diff --git a/bash-5.1/builtins_rust/declare/Cargo.toml b/bash-5.1/builtins_rust/declare/Cargo.toml
index f8f4e21a9e319efd758d7c10cb50741aa237a371..68cfd0b1429c69bd82cbf68b15302c9e4f8e3a35 100644
--- a/bash-5.1/builtins_rust/declare/Cargo.toml
+++ b/bash-5.1/builtins_rust/declare/Cargo.toml
@@ -6,9 +6,9 @@ edition = "2018"
 
 
 [dependencies]
-lazy_static = "*"
-libc = "*"
-nix = "*"
+lazy_static = "1.4.0"
+libc = "0.2"
+nix = "0.23.0"
 rcommon = {path = "../common"}
 
 [lib]
diff --git a/bash-5.1/builtins_rust/declare/src/lib.rs b/bash-5.1/builtins_rust/declare/src/lib.rs
index 7c70152ff6c806e164399c61158482bddb96ddb7..6da37b1294d8f4cb9fb874e1cf31ed8a5db2012a 100644
--- a/bash-5.1/builtins_rust/declare/src/lib.rs
+++ b/bash-5.1/builtins_rust/declare/src/lib.rs
@@ -568,9 +568,9 @@ pub extern "C" fn r_declare_find_variable (name:* const c_char, mkglobal:i32, ch
   }
 }
 
-unsafe fn DECLARE_OPTS()-> CString
+unsafe fn DECLARE_OPTS()->* const c_char
 {
-  return CString::new("+acfgilnprtuxAFGI").unwrap();
+  return CString::new("+acfgilnprtuxAFGI").unwrap().as_ptr();
 }
 
 unsafe fn  savestring(x:* const c_char)->* mut c_char
@@ -662,8 +662,7 @@ pub extern "C" fn r_declare_internal (list:* mut WordList, local_var:i32)->i32
 
   unsafe {
   reset_internal_getopt ();
-  let tmp = DECLARE_OPTS().as_ptr();
-  opt = internal_getopt (list, tmp as * mut c_char);
+  opt = internal_getopt (list, DECLARE_OPTS() as * mut c_char);
   while  opt != -1 {
       if list_opttype == '+' as i32 {
         flags= &mut flags_off;
@@ -678,7 +677,7 @@ pub extern "C" fn r_declare_internal (list:* mut WordList, local_var:i32)->i32
 	 the loop in subst.c:shell_expand_word_list() */
       match optChar {
         'a'=>{ *flags |= att_array!();}
-	'A'=>{ *flags |= att_assoc!();}
+	      'A'=>{ *flags |= att_assoc!();}
         'p'=>{ pflag+=1;}
         'F'=>{ nodefs+=1;
               *flags |= att_function!();
@@ -726,7 +725,7 @@ pub extern "C" fn r_declare_internal (list:* mut WordList, local_var:i32)->i32
              return EX_USAGE;
             }
 	    }
-		internal_getopt (list, tmp as * mut c_char);
+		internal_getopt (list, DECLARE_OPTS() as * mut c_char);
   }
 
   let mut llist:* mut WordList = loptend.clone();
diff --git a/bash-5.1/builtins_rust/echo/Cargo.toml b/bash-5.1/builtins_rust/echo/Cargo.toml
index cbbe87e6bd083eab7b1a34b65679f181f2e13e5e..31720c0d70bb621d272e1c95ec14127a5a2409a6 100644
--- a/bash-5.1/builtins_rust/echo/Cargo.toml
+++ b/bash-5.1/builtins_rust/echo/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-libc = "*"
+libc = "0.2"
 rcommon = {path="../common"}
 
 [lib]
diff --git a/bash-5.1/builtins_rust/echo/src/lib.rs b/bash-5.1/builtins_rust/echo/src/lib.rs
index 3302a38b063688573480872d580a06f8818fadcd..590567087af7cd096f8bb69b9694781dcdde579d 100644
--- a/bash-5.1/builtins_rust/echo/src/lib.rs
+++ b/bash-5.1/builtins_rust/echo/src/lib.rs
@@ -76,6 +76,7 @@ pub static mut xpg_echo:i32 = 0;    // 也有可能是1
 
 #[no_mangle]
 pub extern "C" fn r_echo_builtin(mut list:*mut WordList)->i32{
+    println!("r_echo_builtin");
     let mut display_return:i32;
     let mut do_v9:i32;
     let mut i:i32;
diff --git a/bash-5.1/builtins_rust/enable/Cargo.toml b/bash-5.1/builtins_rust/enable/Cargo.toml
index 14ec0946031567d4846a464dbb23992d3b32b425..99eea4b48a118a854ce5cf192719308c5ec03094 100644
--- a/bash-5.1/builtins_rust/enable/Cargo.toml
+++ b/bash-5.1/builtins_rust/enable/Cargo.toml
@@ -9,7 +9,7 @@ name = "renable"
 crate-type = ["staticlib","rlib"]
 
 [dependencies]
-libc = "*"
-libloading = "*"
+libc = "0.2"
+libloading = "0.7"
 rcmd = {path="../cmd"}
 rcommon = {path="../common"}
diff --git a/bash-5.1/builtins_rust/eval/Cargo.toml b/bash-5.1/builtins_rust/eval/Cargo.toml
index d162276048a1c9c655a372ab64a806c7a6a321ac..ee63c0c48aca23467b03faab9463133d80f2c9f7 100644
--- a/bash-5.1/builtins_rust/eval/Cargo.toml
+++ b/bash-5.1/builtins_rust/eval/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-libc = "*"
+libc = "0.2"
 rcommon = {path = "../common"}
 
 [lib]
diff --git a/bash-5.1/builtins_rust/eval/src/lib.rs b/bash-5.1/builtins_rust/eval/src/lib.rs
index 6d80d5e6797961a8b7542a2403c31069f8bbf67e..a882f3ceb5ea75e6bc04dd714c24fb9438c99beb 100644
--- a/bash-5.1/builtins_rust/eval/src/lib.rs
+++ b/bash-5.1/builtins_rust/eval/src/lib.rs
@@ -22,6 +22,7 @@ extern "C" {
 
 #[no_mangle]
 pub extern "C" fn r_eval_builtin(mut list:*mut WordList)->i32{
+    println!("r_eval_builtin");
     
     unsafe{
         if r_no_options(list) != 0{
diff --git a/bash-5.1/builtins_rust/exec/Cargo.toml b/bash-5.1/builtins_rust/exec/Cargo.toml
index 47a86be61eb7d1787b77185b6856431c752d2733..605d33545c2b0138b6862251db45e62983a729e1 100644
--- a/bash-5.1/builtins_rust/exec/Cargo.toml
+++ b/bash-5.1/builtins_rust/exec/Cargo.toml
@@ -6,8 +6,8 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-libc = "*"
-nix = "*"
+libc = "0.2"
+nix = "0.24.1"
 rcommon = {path = "../common"}
 
 [lib]
diff --git a/bash-5.1/builtins_rust/exec/src/lib.rs b/bash-5.1/builtins_rust/exec/src/lib.rs
index df518d0dce61d3fe4898dfc3bf07f8125f44b6ce..d2a4aff49b5ed5354d66b194da49f168e4bac058 100644
--- a/bash-5.1/builtins_rust/exec/src/lib.rs
+++ b/bash-5.1/builtins_rust/exec/src/lib.rs
@@ -8,6 +8,21 @@ use rcommon::{WordList, WordDesc, EX_USAGE, EXECUTION_SUCCESS, EXECUTION_FAILURE
 use nix::errno::errno;
 use rcommon::r_sh_restricted;
 
+/*
+#[repr (C)]
+#[derive(Copy,Clone)]
+pub struct WordDesc{
+    pub word:*mut c_char,
+    pub flags:c_int,
+}
+
+#[repr (C)]
+#[derive(Copy,Clone)]
+pub struct WordList{
+    pub next:*mut WordList,
+    pub word:*mut WordDesc,
+}
+*/
 #[repr(C)]
 struct redirect{
     next:*mut redirect,
@@ -142,6 +157,9 @@ pub extern "C" fn r_exec_builtin(mut list:*mut WordList)->i32{
     let newname:*mut c_char;
     let com2:*mut c_char;
 
+    println!("r_exec_builtin");
+
+
     unsafe{
         exec_argv0 = std::ptr::null_mut() as *mut c_char;
 
diff --git a/bash-5.1/builtins_rust/exec_cmd/Cargo.toml b/bash-5.1/builtins_rust/exec_cmd/Cargo.toml
index a84e76dcd39ea0ca11fb3271fe77b83c0b426696..b120c60bef89f7e2a2ad135af17b0870ea11ac3e 100644
--- a/bash-5.1/builtins_rust/exec_cmd/Cargo.toml
+++ b/bash-5.1/builtins_rust/exec_cmd/Cargo.toml
@@ -2,7 +2,7 @@
 authors = ["zhanghuanhuan"]
 name = "rexec_cmd"
 version = "0.0.1"
-edition = "2018"
+edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
@@ -50,7 +50,7 @@ rtype = {path="../type"}
 rulimit = {path="../ulimit"}
 rumask = {path="../umask"}
 rwait = {path="../wait"}
-libc = "*"
+libc = "0.2"
 [lib]
 crate-type = ["staticlib","rlib"]
 name = "rexec_cmd"
diff --git a/bash-5.1/builtins_rust/exec_cmd/src/lib.rs b/bash-5.1/builtins_rust/exec_cmd/src/lib.rs
index 23bb0478f51e813e4c4fec98b417d6c088ddd2e0..3aad47b4d0810cbc7b5e09a9df490131931c5bf0 100644
--- a/bash-5.1/builtins_rust/exec_cmd/src/lib.rs
+++ b/bash-5.1/builtins_rust/exec_cmd/src/lib.rs
@@ -23,7 +23,6 @@ use rhash::r_hash_builtin;
 use rhelp::r_help_builtin;
 use rhistory::r_history_builtin;
 use rjobs::r_jobs_builtin;
-use rjobs::r_disown_builtin;
 use rkill::r_kill_builtin;
 use rmapfile::r_mapfile_builtin;
 use rprintf::r_printf_builtin;
@@ -106,8 +105,7 @@ enum CMDType {
     TypeCmd,
     UlimitCmd,
     UmaskCmd,
-    WaitCmd,
-    DisownCmd
+    WaitCmd
 }
 
   struct AliasComand ;
@@ -498,15 +496,6 @@ impl CommandExec for UnSetComand{
     }
 }
 
-  struct DisownCommand ;
-  impl CommandExec for DisownCommand{
-    fn  excute(&self,list : *mut WordList)-> i32{
-        unsafe {
-            r_disown_builtin(list)
-        }
-    }
-  }
-
 // 定义接口
 pub trait CommandExec {
     fn excute(&self,list : *mut WordList) -> i32;
@@ -652,7 +641,7 @@ impl Factory for SimpleFactory {
                 ReservedComand{}
             ),
             CMDType::ReturnCmd => Box::new(
-                ReturnComand{}
+                ReadComand{}
             ),
             CMDType::SetattrCmd => Box::new(
                 SetattrComand{}
@@ -701,9 +690,6 @@ impl Factory for SimpleFactory {
             ),
             CMDType::WaitCmd  => Box::new(
                 WaitComand{}
-            ),
-            CMDType::DisownCmd => Box::new(
-                DisownCommand{}
             )
         }
     }
@@ -906,9 +892,6 @@ unsafe fn get_cmd_type (command : *mut libc::c_char) -> CMDType{
     else if libc::strcmp(command , b"wait\0" as *const u8 as *const libc::c_char as *mut libc::c_char) == 0 {
         types = CMDType::WaitCmd;
     }
-    else if libc::strcmp(command , b"disown\0" as *const u8 as *const libc::c_char as *mut libc::c_char) == 0 {
-        types = CMDType::DisownCmd;
-    }
     
    types
 }
@@ -916,10 +899,10 @@ unsafe fn get_cmd_type (command : *mut libc::c_char) -> CMDType{
 #[no_mangle]
 pub extern "C" fn r_exec_cmd(command : *mut libc::c_char, mut list :*mut WordList) -> i32 {
 
-    // println!("enter r_exec_cmd");
-    // unsafe {
-    //    println!("command is {:?}",CStr::from_ptr(command));
-    // }
+    println!("enter r_exec_cmd");
+    unsafe {
+        println!("command is {:?}",CStr::from_ptr(command));
+    }
     let commandType = unsafe {get_cmd_type(command)};
     let  factory = SimpleFactory::new();
     let cmdCall = factory.make_product(commandType);
diff --git a/bash-5.1/builtins_rust/exit/Cargo.toml b/bash-5.1/builtins_rust/exit/Cargo.toml
index f8ca16746dcad6a9fb4a8af30a26bb0da4910a2b..466a0f785df3f8fb76a891a214bf41e4d5e0eda5 100644
--- a/bash-5.1/builtins_rust/exit/Cargo.toml
+++ b/bash-5.1/builtins_rust/exit/Cargo.toml
@@ -7,8 +7,8 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-libc  = "*"
-nix = "*"
+libc  = "0.2"
+nix = "0.23.0"
 rjobs = {path="../jobs"}
 rcommon = {path="../common"}
 
diff --git a/bash-5.1/builtins_rust/exit/src/lib.rs b/bash-5.1/builtins_rust/exit/src/lib.rs
index e5346295798ef8837b4e5009811cce641795579f..0f74aab5b95990732227ea531c6780bcd46de023 100644
--- a/bash-5.1/builtins_rust/exit/src/lib.rs
+++ b/bash-5.1/builtins_rust/exit/src/lib.rs
@@ -133,6 +133,7 @@ static mut sourced_logout:i32 = 0;
 
 #[no_mangle]
 pub extern "C" fn r_exit_builtin(list:*mut WordList) -> i32{
+    println!("r_exit_builtin");
     unsafe{
         let c_str = CString::new("--help").unwrap();
         let c_ptr = c_str.as_ptr();
@@ -162,7 +163,7 @@ pub extern "C" fn r_exit_builtin(list:*mut WordList) -> i32{
 
 #[no_mangle]
 pub extern "C" fn  r_logout_builtin(list:*mut WordList)->i32{
-    unsafe {
+    unsafe{
         let c_str = CString::new("--help").unwrap();
         let c_ptr = c_str.as_ptr();
         if list != std::ptr::null_mut() && (*list).word != std::ptr::null_mut() && 
@@ -182,7 +183,9 @@ pub extern "C" fn  r_logout_builtin(list:*mut WordList)->i32{
     }
 }
 
-pub fn r_exit_or_logout(list:*mut WordList)->i32{
+#[no_mangle]
+pub extern "C" fn r_exit_or_logout(list:*mut WordList)->i32{
+    // let stream:*mut libc::FILE;
     let  exit_value:i32;
     let  exit_immediate_okay:i32;
     let mut stopmsg:i32;
@@ -197,18 +200,16 @@ pub fn r_exit_or_logout(list:*mut WordList)->i32{
         if exit_immediate_okay == 0 {
             stopmsg = 0;
             for i in 0..js.j_jobslots {
-                // println!("jobs: {}", i);
                 if get_job_by_jid!(i) != std::ptr::null_mut()  && STOPPED!(i){
                     stopmsg = JOB_STATE::JSTOPPED as i32;
-                    break;
                 }
                 else if (check_jobs_at_exit != 0)  && (stopmsg ==0) && get_job_by_jid!(i) != std::ptr::null_mut() && RUNNING!(i) {
                     stopmsg = JOB_STATE::JRUNNING as i32;
-                    break;
                 }
             }
 
             if stopmsg == JOB_STATE::JSTOPPED as i32 {
+                // libc::fprintf(stream,CString::new("There are stopped jobs. \n").unwrap().as_ptr());
                 eprintln!("There are stopped jobs. ");
             }
             else if stopmsg == JOB_STATE::JRUNNING as i32{
@@ -243,9 +244,8 @@ pub fn r_exit_or_logout(list:*mut WordList)->i32{
     }
 }
 
-//#[no_mangle]
-//pub extern "C" fn r_bash_logout(){
-pub fn r_bash_logout(){
+#[no_mangle]
+pub extern "C" fn r_bash_logout(){
     unsafe{    
         if login_shell != 0 && sourced_logout == 0 && subshell_environment == 0 {
             sourced_logout = sourced_logout + 1;
diff --git a/bash-5.1/builtins_rust/fc/Cargo.toml b/bash-5.1/builtins_rust/fc/Cargo.toml
index 5e9a0244b41277f1d96d296b3aa1ed8ab84ccfe0..70adc426c5f91082b9ff482832455a387cb88615 100644
--- a/bash-5.1/builtins_rust/fc/Cargo.toml
+++ b/bash-5.1/builtins_rust/fc/Cargo.toml
@@ -6,9 +6,9 @@ edition = "2018"
 
 
 [dependencies]
-lazy_static = "*"
-libc = "*"
-nix = "*"
+lazy_static = "1.4.0"
+libc = "0.2"
+nix = "0.23.0"
 rcommon = {path="../common"}
 
 [lib]
diff --git a/bash-5.1/builtins_rust/fg_bg/Cargo.toml b/bash-5.1/builtins_rust/fg_bg/Cargo.toml
index 886c7c3c15cf1aea74387ea172a75369abb08586..f054950a21edec34b603af084ca97ce030396c01 100644
--- a/bash-5.1/builtins_rust/fg_bg/Cargo.toml
+++ b/bash-5.1/builtins_rust/fg_bg/Cargo.toml
@@ -6,9 +6,9 @@ edition = "2018"
 
 
 [dependencies]
-lazy_static = "*"
-libc = "*"
-nix = "*"
+lazy_static = "1.4.0"
+libc = "0.2"
+nix = "0.23.0"
 rcommon = {path="../common"}
 
 [lib]
diff --git a/bash-5.1/builtins_rust/getopts/Cargo.toml b/bash-5.1/builtins_rust/getopts/Cargo.toml
index 025be6ceca2b6155434e390f566d6264c881f341..07044a6db5506a590511a5bebacd6e1607c72e6d 100644
--- a/bash-5.1/builtins_rust/getopts/Cargo.toml
+++ b/bash-5.1/builtins_rust/getopts/Cargo.toml
@@ -6,9 +6,9 @@ edition = "2018"
 
 
 [dependencies]
-lazy_static = "*"
-libc = "*"
-nix = "*"
+lazy_static = "1.4.0"
+libc = "0.2"
+nix = "0.23.0"
 rcommon = {path="../common"}
 
 [lib]
diff --git a/bash-5.1/builtins_rust/getopts/src/lib.rs b/bash-5.1/builtins_rust/getopts/src/lib.rs
index 12491386f2d87de4f7255b3071365b2de3223c02..1ecc59b32777ec410f68c75b0b6cec051e793653 100644
--- a/bash-5.1/builtins_rust/getopts/src/lib.rs
+++ b/bash-5.1/builtins_rust/getopts/src/lib.rs
@@ -3,7 +3,20 @@ extern crate nix;
 use rcommon::{WordList, WordDesc, EX_USAGE, EXECUTION_SUCCESS, EXECUTION_FAILURE,GETOPT_HELP, r_builtin_usage};
 use libc::{c_char, c_long, c_void};
 use std::{ffi::CString};
+/*
+#[repr(C)]
+pub struct WordDesc {
+    pub word: *mut libc::c_char,
+    pub flags:libc::c_int
+}
 
+#[repr(C)]
+#[derive(Copy,Clone)]
+pub struct WordList {
+    next: *mut WordList,
+    word: *mut WordDesc
+}
+ */
 #[repr(u8)]
 enum command_type { cm_for, cm_case, cm_while, cm_if, cm_simple, cm_select,
     cm_connection, cm_function_def, cm_until, cm_group,
diff --git a/bash-5.1/builtins_rust/hash/Cargo.toml b/bash-5.1/builtins_rust/hash/Cargo.toml
index 94e70327e99d00a60e66897e804dc0c0764465c1..4c1bd0980617ee3f3c58d18896c09c2f276d7768 100644
--- a/bash-5.1/builtins_rust/hash/Cargo.toml
+++ b/bash-5.1/builtins_rust/hash/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-libc = "*"
+libc = "0.2"
 rread = {path = "../read"}
 rcommon = {path = "../common"}
 
diff --git a/bash-5.1/builtins_rust/hash/src/lib.rs b/bash-5.1/builtins_rust/hash/src/lib.rs
index f31ff5645b31f8d7453b50072770e1bf579fdefc..698a3f95897fdc18c2804461078a77a2c518f6c3 100644
--- a/bash-5.1/builtins_rust/hash/src/lib.rs
+++ b/bash-5.1/builtins_rust/hash/src/lib.rs
@@ -8,7 +8,22 @@ use std::io::{stdout, Write};
 use rread::{SHELL_VAR};
 use rcommon::{r_find_shell_builtin,r_builtin_usage};
 use rcommon::{WordList, WordDesc, EX_USAGE, EXECUTION_SUCCESS, EXECUTION_FAILURE};
+//struct
+//结构体
+/* 
+#[repr (C)]
+pub struct WordDesc{
+    pub word:*mut c_char,
+    pub flags:c_int,
+}
 
+#[repr (C)]
+// #[derive(Copy,Clone)]
+pub struct WordList{
+    pub next:*mut WordList,
+    pub word:*mut WordDesc,
+}
+*/
 type PTR_T=c_void;
 #[repr (C)]
 pub struct bucket_contents{
diff --git a/bash-5.1/builtins_rust/help/Cargo.toml b/bash-5.1/builtins_rust/help/Cargo.toml
index 9a0cd0fbc17052521de357102c8b91cfb0286328..1228246909ca100596ed04a5dc39014978b8690a 100644
--- a/bash-5.1/builtins_rust/help/Cargo.toml
+++ b/bash-5.1/builtins_rust/help/Cargo.toml
@@ -6,12 +6,12 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-libc = "*"
-nix = "*"
+libc = "0.2"
+nix = "0.24.1"
 rcommon = {path ="../common"}
-fluent = "*"
-fluent-bundle = "*"
-fluent-resmgr = "*"
+fluent = "0.16.0"
+fluent-bundle = "0.15.2"
+fluent-resmgr = "0.0.5"
 
 [lib]
 crate-type = ["staticlib","rlib"]
diff --git a/bash-5.1/builtins_rust/help/src/lib.rs b/bash-5.1/builtins_rust/help/src/lib.rs
index c3fea4bde4ddd2780ac95d52f94cff8bd56d718d..7e51d7da6ad69f8ceade35646d98f691e3ab18a6 100644
--- a/bash-5.1/builtins_rust/help/src/lib.rs
+++ b/bash-5.1/builtins_rust/help/src/lib.rs
@@ -201,28 +201,22 @@ pub extern "C" fn r_help_builtin(mut list:*mut WordList)->i32 {
                   this_found = 1;
                   match_found = match_found +1 ;
                   if dflag == 1{
+      
                       show_desc (v[i], i as  i32);
-                      continue;
+                      //continue;
                   }
                   else if mflag ==1{
+
                     show_manpage (v[i], i as  i32); 
                     continue;
                     }
-                    let  builtin1 = unsafe{&(*((shell_builtins as usize + (i*BUILTIN_SIZEOF!()) as usize) as *mut builtin))};
-                    let mgr = ResourceManager::new("/usr/share/utshell/resources/{locale}/{res_id}".into());
-                    let resources = vec![ "message.ftl".into()];
+                  unsafe {
+                  let builtin1 = &(*((shell_builtins as usize + (i*BUILTIN_SIZEOF!()) as usize) as *mut builtin));
                 
-                    let mut args = FluentArgs::new();
-                    let c_str: &CStr = unsafe { CStr::from_ptr(builtin1.name) };
-                    let msg: &str = c_str.to_str().unwrap();
-                    args.set("cmdName",msg);
-                    let bundle = mgr.get_bundle(get_local_str(), resources);
-                    let mut value = bundle.get_message("helpsynopsis").unwrap();
-                    let mut pattern = value.value().expect("partern err");
-                    let mut errors = vec![];
-                    let mut msg1 = bundle.format_pattern(&pattern, Some(&args), &mut errors);
-                    println!(" {}:{}\n",msg ,msg1);
-                    if sflag == 0{
+                  println! ("{:?}: {:?}\n", CStr::from_ptr(v[i]), CStr::from_ptr(builtin1.short_doc));
+                  }
+                  if sflag == 0{
+          
                       show_longdoc (i as i32);
                   }
                 }
@@ -318,36 +312,114 @@ fn open_helpfile(name :*mut c_char) -> i32{
 }
 
 fn show_longdoc(i : i32){
-  let  builtin1 = unsafe{&(*((shell_builtins as usize + (i*BUILTIN_SIZEOF!()) as usize) as *mut builtin))};
-    let mgr = ResourceManager::new("/usr/share/utshell/resources/{locale}/{res_id}".into());
-    let resources = vec![ "message.ftl".into()];
-    let mut args = FluentArgs::new();
-    let c_str: &CStr = unsafe { CStr::from_ptr(builtin1.name) };
-    let msg: &str = c_str.to_str().unwrap();
-    args.set("cmdName",msg);
-    let bundle = mgr.get_bundle(get_local_str(), resources);
-    let mut value = bundle.get_message("helpsynopsis").unwrap();
-    let mut pattern = value.value().expect("partern err");
-    let mut errors = vec![];
-    let mut msg1 = bundle.format_pattern(&pattern, Some(&args), &mut errors);
-     println!("    {}", msg1);
+    let mut j : i32;
+    let mut doc :*mut (*mut c_char);
+    let mut fd : i32;
+    let  mut usefile : bool ;
+    let builtin1 = unsafe{&(*((shell_builtins as usize + (i*BUILTIN_SIZEOF!()) as usize) as *mut builtin))};
+    unsafe {
+        doc = builtin1.long_doc;
+        usefile = doc!= std::ptr::null_mut() && (doc as usize + 8 as usize) as * mut c_char != std::ptr::null_mut(); 
+        usefile = usefile && char::from(unsafe {*((*doc as usize) as * mut c_char) as u8 })== '/';
+       // usefile = usefile && unsafe{*((doc as usize + 8 as  usize)as *mut *mut libc::c_char) as *mut libc::c_char} == std::ptr::null_mut();
+        //usefile = usefile && ((doc as usize + 8 as  usize) as * mut c_char) == std::ptr::null_mut();
+         //usefile = usefile && (*(doc as usize + 8 as usize) as *mut libc::c_char )as char== '/' as char ;
+        //usefile = doc!= std::ptr::null_mut() && *((doc as usize + ) as * mut c_char)== '/' as libc::c_char && (doc as usize +4)as * mut c_char == std::ptr::null_mut() as * mut c_char; 
+    }
+   // let usefile = (doc!= std::ptr::null_mut() && char::from(unsafe {*((doc + 4*8) as usize ) as * mut c_char) as u8 })== '/');
+    if usefile {
+          unsafe {
+          fd = open_helpfile (*builtin1.long_doc);
+          }
+          if (fd < 0){
+              //无返回值
+              return ();
+          }
+          unsafe {
+           zcatfd (fd, 1, *doc);
+           libc::close (fd);
+          }
+      /* XXX - handle errors if zmapfd returns < 0 */
+    }
+  else if doc!= std::ptr::null_mut() {
+      let mut j = 0 ;
+      unsafe {
+      println!("{:?}",CStr::from_ptr(*doc));
+      }
+  }
+      // while unsafe {*((doc as usize+(8*j) as usize)as * mut * mut c_char) as *mut c_char }!= std::ptr::null_mut(){
+      //   unsafe {
+      //      println! ("{:?}{:?} {:?}", BASE_INDENT!()," ", CStr::from_ptr(*((doc as usize+(8*j) as usize)as * mut * mut c_char) as *mut c_char));
+      //      j += 1;
+      //   }
+      //  }
+      //  }
 }
 
 fn show_desc (name : *mut c_char, i :i32){
-    let  builtin1 = unsafe{&(*((shell_builtins as usize + (i*BUILTIN_SIZEOF!()) as usize) as *mut builtin))};
-    let mgr = ResourceManager::new("/usr/share/utshell/resources/{locale}/{res_id}".into());
-    let resources = vec![ "message.ftl".into()];
 
-    let mut args = FluentArgs::new();
-    let c_str: &CStr = unsafe { CStr::from_ptr(builtin1.name) };
-    let msg: &str = c_str.to_str().unwrap();
-    args.set("cmdName",msg);
-    let bundle = mgr.get_bundle(get_local_str(), resources);
-    let mut value = bundle.get_message("helpname").unwrap();
-    let mut pattern = value.value().expect("partern err");
-    let mut errors = vec![];
-    let mut msg1 = bundle.format_pattern(&pattern, Some(&args), &mut errors);
-     println!("    {}", msg1);
+    let mut j :i32;
+    let r :i32;
+    let mut doc : *mut *mut libc::c_char;
+    let mut  line : *mut libc::c_char = 0  as *mut libc::c_char ;
+    let mut fd : i32;
+    let mut usefile : bool;
+    
+    let builtin1 = unsafe{&(*((shell_builtins as usize + (i*BUILTIN_SIZEOF!()) as usize) as *mut builtin))};
+    unsafe {
+       doc = builtin1.long_doc;
+   }
+   // usefile = (doc && doc[0] && *doc[0] == '/' && doc[1] == (char *)NULL);
+    usefile = doc!= std::ptr::null_mut() && unsafe {*doc as *mut libc::c_char} != std::ptr::null_mut();
+    usefile = usefile && unsafe {**doc as libc::c_char } == '/' as libc::c_char;
+    //usefile = usefile && unsafe {*(doc as usize + 8 as usize) as *mut libc::c_char} != std::ptr::null_mut();
+   if usefile {
+   
+          fd = open_helpfile (unsafe {*doc as *mut libc::c_char });
+          if (fd < 0){
+              //无返回值
+              return ();
+          }
+           unsafe {
+               r = zmapfd (fd, *(line as *mut libc::c_char) as *mut *mut libc::c_char ,(doc as *mut libc::c_char));
+               libc::close (fd);
+          }
+      /* XXX - handle errors if zmapfd returns < 0 */
+    }
+  else
+  {
+      if doc!= std::ptr::null_mut() {
+          unsafe {
+              line = *doc as *mut libc::c_char;
+          }
+      }
+      else{
+    
+          line =  std::ptr::null_mut();
+      }
+    }
+
+  unsafe {
+  println!("{:?}",CStr::from_ptr(name));
+  }
+   let mut j = 0 ;
+   while ((line as usize + (8*j)) as * mut c_char)!= std::ptr::null_mut()  {
+      unsafe {
+          libc::putchar (*((line as usize + (8*j))as * mut c_char) as i32);
+          if char::from(*((line as usize + (8*j))as * mut c_char) as u8)== '\n'{
+            break;
+      }
+      }
+       j += 1;
+   }
+   unsafe {
+       std::io::stdout().flush();
+   }
+  if usefile{
+    unsafe {
+        libc::free (line as * mut c_void);
+    }
+  }
 }
 fn show_manpage (name : *mut c_char, i : i32){
  
@@ -357,14 +429,40 @@ fn show_manpage (name : *mut c_char, i : i32){
     let  mut fd: i32;
     let  mut  usefile : bool;
     let  builtin1 = unsafe{&(*((shell_builtins as usize + (i*BUILTIN_SIZEOF!()) as usize) as *mut builtin))};
-    let mgr = ResourceManager::new("/usr/share/utshell/resources/{locale}/{res_id}".into());
+    let mgr = ResourceManager::new("./resources/{locale}/{res_id}".into());
     let resources = vec![ "message.ftl".into()];
     unsafe {
+      
         doc = builtin1.long_doc;
     }
     //*doc = (*((shell_builtins as usize + i as usize) as *mut builtin).long_doc as *mut libc::c_char);
     usefile = doc!= std::ptr::null_mut() && unsafe {*doc as *mut libc::c_char} != std::ptr::null_mut();
     usefile = usefile && unsafe {**doc as libc::c_char } == '/' as libc::c_char;
+
+    if usefile{
+   
+      unsafe {
+        fd = open_helpfile (*doc);
+      }
+      if fd < 0 {
+           //无返回值
+          return ();
+      }
+      unsafe{
+          zmapfd (fd, line  as *mut *mut libc::c_char, *doc);
+          libc::close (fd);
+      }
+    }
+    else {
+        if doc!= std::ptr::null_mut(){
+          unsafe { 
+            line = *doc as *mut libc::c_char;
+          }
+        }
+        else{
+            line = std::ptr::null_mut();
+        }
+    }
   /* NAME */
   println! ("NAME\n");
   let mut args = FluentArgs::new();
@@ -376,23 +474,42 @@ fn show_manpage (name : *mut c_char, i : i32){
   let mut pattern = value.value().expect("partern err");
   let mut errors = vec![];
   let mut msg1 = bundle.format_pattern(&pattern, Some(&args), &mut errors);
-   println!("    {}\n", msg1);
+  println!("{}", msg1);
+   let mut  j = 0 ;
+   unsafe {
+   while (*((doc as usize + (8*j))as *mut *mut c_char)as  *mut c_char) != std::ptr::null_mut()  {
+      libc::putchar (*((line as usize + (8*j)) as * mut c_char) as i32);
+      if char::from(*((line as usize + (8*j))as * mut c_char) as u8)  == '\n'{
+         break;
+      }
+       j += 1;
+   }
+  }
+   
+  println! ("\n");
 
   /* SYNOPSIS */
   println! ("SYNOPSIS\n");
-    value = bundle.get_message("helpsynopsis").unwrap();
-    pattern = value.value().expect("partern err");
-    msg1 = bundle.format_pattern(&pattern, Some(&args), &mut errors);
-    println!("    {}\n", msg1);
-  //  println! ("     {:?}\n", CStr::from_ptr(builtin1.short_doc));
+  unsafe {
+    println! ("     {:?}\n", CStr::from_ptr(builtin1.short_doc));
+  }
   /* DESCRIPTION */
   println! ("DESCRIPTION\n");
   if !usefile{
       value = bundle.get_message("helplongdoc").unwrap();
       pattern = value.value().expect("partern err");
       msg1 = bundle.format_pattern(&pattern, Some(&args), &mut errors);
-      println!("{}\n", msg1);
+      println!("{}", msg1);
    }
+  else{
+      while doc != std::ptr::null_mut() && (((doc as usize + (8*j)))as * mut c_char) != std::ptr::null_mut()  {
+      unsafe {
+          libc::putchar (*((doc as usize + (8*j))as * mut c_char)as i32);
+      }
+          println! (" ");
+      }
+       j += 1;
+      }
   unsafe {
      libc::putchar ('\n' as i32);
   }
@@ -504,6 +621,9 @@ fn show_builtin_command_help (){
   if width <= 3{
     width = 40;
   }
+  // unsafe {
+  //   height = (num_shell_builtins + 1) / 2;        /* number of rows */
+  // }
   for i in 0..height{
       unsafe {
         QUIT();
@@ -554,3 +674,4 @@ unsafe {
 //     }
 //   len
 // }
+
diff --git a/bash-5.1/builtins_rust/history/Cargo.toml b/bash-5.1/builtins_rust/history/Cargo.toml
index 8bb8f51a205d33984c3c69d88ea540b82dd05b73..ac14d3d0a927bfc09553a6bf07b06c20eb68ddcc 100644
--- a/bash-5.1/builtins_rust/history/Cargo.toml
+++ b/bash-5.1/builtins_rust/history/Cargo.toml
@@ -12,6 +12,6 @@ name = "rhistory"
 crate-type = ["staticlib","rlib"]
 
 [dependencies]
-libc = "*"
-nix = "*"
+libc = "0.2"
+nix = "0.23"
 rcommon = {path = "../common"}
diff --git a/bash-5.1/builtins_rust/history/src/lib.rs b/bash-5.1/builtins_rust/history/src/lib.rs
index 246a68e615eafeab9d88e3adc9c559c61c71bae5..54fd1b46adedc712294e329464062b2659b1b49d 100644
--- a/bash-5.1/builtins_rust/history/src/lib.rs
+++ b/bash-5.1/builtins_rust/history/src/lib.rs
@@ -16,6 +16,7 @@ pub const DFLAG: c_int = 0x80;
 
 #[no_mangle]
 pub extern "C" fn r_history_builtin(mut list: *mut WordList) -> i32 {
+    println!("r_history_builtin call");
 
     let mut flags: c_int = 0;
     let mut opt: c_int;
diff --git a/bash-5.1/builtins_rust/jobs/src/lib.rs b/bash-5.1/builtins_rust/jobs/src/lib.rs
index 6b9fa888cfed3ca6a2f719357dcd43e56bb70c55..17b62c73aee9d3a22e43fc7f1ace215475da39bd 100644
--- a/bash-5.1/builtins_rust/jobs/src/lib.rs
+++ b/bash-5.1/builtins_rust/jobs/src/lib.rs
@@ -337,7 +337,7 @@ macro_rules! get_job_by_jid {
 #[macro_export]
 macro_rules! INVALID_JOB {
    ($j:expr) => {
-         $j <0 || $j >=  js.j_jobslots || get_job_by_jid!($j) == std::ptr::null_mut()
+         $j <0 || $j >=  js.j_jobslots || get_job_by_jid !($j) == std::ptr::null_mut()
     }
 }
 
@@ -373,6 +373,7 @@ extern "C" {
 
  #[no_mangle]
  pub extern "C" fn r_execute_list_with_replacements (list:*mut WordList)->i32{
+  //println!("r_execute_list_with_replacements");
   unsafe{
   let mut l:*mut WordList=list;
   let mut job:i32;
@@ -390,7 +391,7 @@ extern "C" {
       }
 	    
 	  libc::free((*(*l).word).word as * mut libc::c_void);
-	  (*(*(*l).word).word) = (*get_job_by_jid!(job)).pgrp as libc::c_char;
+	  (*(*(*l).word).word) = (*get_job_by_jid! (job)).pgrp as libc::c_char;
 	  }
       l=(*l).next;
   }
@@ -415,6 +416,7 @@ extern "C" {
 
 #[no_mangle]
 pub extern "C" fn r_jobs_builtin(mut list:*mut WordList)->i32 {
+    println!("r_jobs_builtin");
     let mut form:i32;
     let mut execute:i32=0;
     let mut state:i32;
@@ -484,7 +486,7 @@ pub extern "C" fn r_jobs_builtin(mut list:*mut WordList)->i32 {
         BLOCK_CHILD !(Some(&mut set), Some(&mut oset));
         job = get_job_spec (list);
 
-        if (job == NO_JOB!()) || jobs  == std::ptr::null_mut() || get_job_by_jid!(job)  == std::ptr::null_mut() {
+        if (job == NO_JOB!()) || jobs  == std::ptr::null_mut() || get_job_by_jid !(job)  == std::ptr::null_mut() {
             sh_badjob ((*((*list).word)).word);                 
             any_failed+=1;
         } else if job != DUP_JOB!() {
@@ -515,6 +517,7 @@ pub extern "C" fn r_disown_builtin (list:* mut WordList)->libc::c_int {
   let mut set:nix::sys::signal::SigSet=nix::sys::signal::SigSet::empty();
   let mut oset:nix::sys::signal::SigSet =nix::sys::signal::SigSet::empty();
   let mut pid_value:c_long=0;
+  //println!("r_disown_builtin");
   unsafe {
   reset_internal_getopt ();
   let mut c_str_ahr = CString::new("ahr").unwrap(); // from a &str, creates a new allocation
@@ -547,13 +550,14 @@ pub extern "C" fn r_disown_builtin (list:* mut WordList)->libc::c_int {
       }
 	    return EXECUTION_SUCCESS!();
   }
+    
   BLOCK_CHILD !(Some(&mut set), Some(&mut oset));
   if (loptend !=std::ptr::null_mut() && legal_number ((*(*loptend).word).word, &mut pid_value) !=0 && pid_value ==  pid_value) {
      job=get_job_by_pid ( pid_value as i32, 0, 0 as *mut*mut PROCESS);
   }else {
-    job = get_job_spec (loptend);
+    get_job_spec (loptend);
   }
-  if (job == NO_JOB!()) ||( jobs ==std::ptr::null_mut()) || (INVALID_JOB!(job)) {
+  if job == NO_JOB!() || jobs !=std::ptr::null_mut() || INVALID_JOB!(job) {
     if loptend !=std::ptr::null_mut() {
             sh_badjob ((*(*loptend).word).word);
     } else {
diff --git a/bash-5.1/builtins_rust/kill/Cargo.toml b/bash-5.1/builtins_rust/kill/Cargo.toml
index 484a3256b215325f612623436575a9e71c38e121..e28c4b8ce1fe226516ca045ba494ffc453b1f887 100644
--- a/bash-5.1/builtins_rust/kill/Cargo.toml
+++ b/bash-5.1/builtins_rust/kill/Cargo.toml
@@ -12,6 +12,6 @@ name = "rkill"
 crate-type = ["staticlib","rlib"]
 
 [dependencies]
-libc = "*"
-nix = "*"
+libc = "0.2"
+nix = "0.23"
 rcommon = {path = "../common"}
diff --git a/bash-5.1/builtins_rust/kill/src/lib.rs b/bash-5.1/builtins_rust/kill/src/lib.rs
index c47bd9b7e8a84a9a333a8ea5b3222606a62a777f..0a6f2374205cab5f27fe202c552822224730893c 100644
--- a/bash-5.1/builtins_rust/kill/src/lib.rs
+++ b/bash-5.1/builtins_rust/kill/src/lib.rs
@@ -8,6 +8,7 @@ include!(concat!("intercdep.rs"));
 
 #[no_mangle]
 pub extern "C" fn r_kill_builtin(mut list: *mut WordList) -> i32 {
+    println!("r_kill_builtin call");
 
 unsafe {
     let mut word: *mut c_char;
diff --git a/bash-5.1/builtins_rust/mapfile/Cargo.toml b/bash-5.1/builtins_rust/mapfile/Cargo.toml
index 6c79fbb6e19cb82d7f52f251d50c90f4ac7379bd..5d8d8f77669adb2eb9783c1290955eed901f42b4 100644
--- a/bash-5.1/builtins_rust/mapfile/Cargo.toml
+++ b/bash-5.1/builtins_rust/mapfile/Cargo.toml
@@ -13,6 +13,6 @@ name = "rmapfile"
 crate-type = ["staticlib","rlib"]
 
 [dependencies]
-libc = "*"
-nix = "*"
+libc = "0.2"
+nix = "0.23"
 rcommon = {path = "../common"}
diff --git a/bash-5.1/builtins_rust/mapfile/src/lib.rs b/bash-5.1/builtins_rust/mapfile/src/lib.rs
index 4bb49f9a6d2c37080f44fa53edcbdfa2b425e6d8..c4d9530da0d9baefddb20b468ebeb5cfbfdc6220 100644
--- a/bash-5.1/builtins_rust/mapfile/src/lib.rs
+++ b/bash-5.1/builtins_rust/mapfile/src/lib.rs
@@ -13,6 +13,7 @@ static mut delim: c_int = 0;
 
 #[no_mangle]
 pub extern "C" fn r_mapfile_builtin(mut list: *mut WordList) -> i32 {
+    println!("r_mapfile_builtin call");
 
     let mut opt: c_int;
     let mut code: c_int;
diff --git a/bash-5.1/builtins_rust/printf/Cargo.toml b/bash-5.1/builtins_rust/printf/Cargo.toml
index 09eb47134d19e0d319fd27f87a6e8e30fcb3b16c..2ed0bdfafee90fc97a52f81d6c3a116b069e2ce9 100644
--- a/bash-5.1/builtins_rust/printf/Cargo.toml
+++ b/bash-5.1/builtins_rust/printf/Cargo.toml
@@ -11,6 +11,6 @@ name = "rprintf"
 crate-type = ["staticlib","rlib"]
 
 [dependencies]
-libc = "*"
-nix = "*"
+libc = "0.2"
+nix = "0.23"
 rcommon = {path = "../common"}
diff --git a/bash-5.1/builtins_rust/printf/src/lib.rs b/bash-5.1/builtins_rust/printf/src/lib.rs
index 76c65a414830fd08baadd48020db129930147fd9..429860b0e01ccd8bb1a06a37d014a5edb5692fde 100644
--- a/bash-5.1/builtins_rust/printf/src/lib.rs
+++ b/bash-5.1/builtins_rust/printf/src/lib.rs
@@ -61,6 +61,7 @@ unsafe fn  savestring(x:* mut c_char)->* mut c_char
 
 #[no_mangle]
 pub extern "C" fn r_printf_builtin(mut list: *mut WordList) -> i32 {
+    println!("r_printf_builtin call");
 
     let mut ch: c_int;
     let mut fieldwidth: c_int;
diff --git a/bash-5.1/builtins_rust/pushd/Cargo.toml b/bash-5.1/builtins_rust/pushd/Cargo.toml
index 52119df6ec14bace7ea2634f16f7e2fd44701c1f..51804e8276869208463dd1bd909ba1f634b97dda 100644
--- a/bash-5.1/builtins_rust/pushd/Cargo.toml
+++ b/bash-5.1/builtins_rust/pushd/Cargo.toml
@@ -6,9 +6,9 @@ edition = "2018"
 
 
 [dependencies]
-lazy_static = "*"
-libc = "*"
-nix = "*"
+lazy_static = "1.4.0"
+libc = "0.2"
+nix = "0.23.0"
 rcommon = {path ="../common"}
 
 [lib]
diff --git a/bash-5.1/builtins_rust/pushd/src/lib.rs b/bash-5.1/builtins_rust/pushd/src/lib.rs
index 4355cfe1dc2dbcca32571b1b56578027a30e077f..08d04fa57d45a72c4b5baf5e3e48a06057567460 100644
--- a/bash-5.1/builtins_rust/pushd/src/lib.rs
+++ b/bash-5.1/builtins_rust/pushd/src/lib.rs
@@ -23,6 +23,14 @@ enum r_instruction {
     r_move_input, r_move_output, r_move_input_word, r_move_output_word,
     r_append_err_and_out
 }
+/*
+#[repr(C)]
+#[derive(Copy,Clone)]
+pub union REDIRECTEE {
+    dest:libc::c_int,
+    filename:* mut WordDesc
+}
+*/
 
 #[repr(C)]
 pub union REDIRECT {
diff --git a/bash-5.1/builtins_rust/read/Cargo.toml b/bash-5.1/builtins_rust/read/Cargo.toml
index b13cb8c54e35abdac56d5ad70baf65b80192005f..ca0e9909841698840e002aebd7733eb99e987345 100644
--- a/bash-5.1/builtins_rust/read/Cargo.toml
+++ b/bash-5.1/builtins_rust/read/Cargo.toml
@@ -11,6 +11,6 @@ name = "rread"
 crate-type = ["staticlib", "rlib"]
 
 [dependencies]
-libc = "*"
-nix = "*"
+libc = "0.2"
+nix = "0.23"
 rcommon = {path = "../common"}
diff --git a/bash-5.1/builtins_rust/read/src/lib.rs b/bash-5.1/builtins_rust/read/src/lib.rs
index bbc3c10eeb52b4e2296eccc8fba25e3d9868bb7c..d5ae2945b277f78c3f0664ea7641839442a10672 100644
--- a/bash-5.1/builtins_rust/read/src/lib.rs
+++ b/bash-5.1/builtins_rust/read/src/lib.rs
@@ -46,6 +46,7 @@ static mut default_buffered_input : c_int = -1;
 
 #[no_mangle]
 pub extern "C" fn r_read_builtin(mut list: *mut WordList) -> i32 {
+    println!("r_read_builtin call");
 
     let mut varname :*mut c_char = libc::PT_NULL as *mut c_char;
     let mut size : c_int = 0;
diff --git a/bash-5.1/builtins_rust/rlet/Cargo.toml b/bash-5.1/builtins_rust/rlet/Cargo.toml
index 1365a55247a938be4ff0575acb81d94fa0cf9ff3..b52101cab52d92ce7b9ddb1a90791237124ba2a3 100644
--- a/bash-5.1/builtins_rust/rlet/Cargo.toml
+++ b/bash-5.1/builtins_rust/rlet/Cargo.toml
@@ -12,6 +12,6 @@ name = "rlet"
 crate-type = ["staticlib","rlib"]
 
 [dependencies]
-libc = "*"
-nix = "*"
-rcommon = {path = "../common"}
+libc = "0.2"
+nix = "0.23"
+rcommon = {path = "../common"}
\ No newline at end of file
diff --git a/bash-5.1/builtins_rust/rlet/src/lib.rs b/bash-5.1/builtins_rust/rlet/src/lib.rs
index 629da2ef4b44989ab256abec736b583434f4c4e4..56186ed065e121e30628aa50f015e128672366b3 100644
--- a/bash-5.1/builtins_rust/rlet/src/lib.rs
+++ b/bash-5.1/builtins_rust/rlet/src/lib.rs
@@ -6,6 +6,7 @@ include!(concat!("intercdep.rs"));
 
 #[no_mangle]
 pub extern "C" fn r_let_builtin(mut list: *mut WordList) -> i32 {
+    println!("r_let_builtin call");
 unsafe {
     let mut ret: c_long = 0;
 	let mut expok: c_int = 0;
@@ -39,6 +40,7 @@ unsafe {
 
 #[no_mangle]
 pub extern "C" fn r_exp_builtin(mut list: *mut WordList) -> i32 {
+    println!("r_exp_builtin call");
 
 unsafe {
 	let mut expok: c_int = 0;
@@ -59,4 +61,4 @@ unsafe fn is_option(s: *mut c_char, c: u8) -> bool
 {
     let str = CStr::from_ptr(s).to_bytes_with_nul();
     return str[0] == b'-' && str[1] == c && str[2] != 0
-}
+}
\ No newline at end of file
diff --git a/bash-5.1/builtins_rust/rreturn/Cargo.toml b/bash-5.1/builtins_rust/rreturn/Cargo.toml
index 5968cac365fa37dcf5e4bf9047257fe1775923ab..6b8575a8e8694d8d8b2280914374c42f646e8b2e 100644
--- a/bash-5.1/builtins_rust/rreturn/Cargo.toml
+++ b/bash-5.1/builtins_rust/rreturn/Cargo.toml
@@ -12,6 +12,6 @@ name = "rreturn"
 crate-type = ["staticlib","rlib"]
 
 [dependencies]
-libc = "*"
-nix = "*"
-rcommon = {path = "../common"}
+libc = "0.2"
+nix = "0.23"
+rcommon = {path = "../common"}
\ No newline at end of file
diff --git a/bash-5.1/builtins_rust/rreturn/src/lib.rs b/bash-5.1/builtins_rust/rreturn/src/lib.rs
index f05ecc58e088fad3873851ead1eddd5e8dcd16ed..a08a40d2ad344e78861cfa099b15d758f2233398 100644
--- a/bash-5.1/builtins_rust/rreturn/src/lib.rs
+++ b/bash-5.1/builtins_rust/rreturn/src/lib.rs
@@ -4,6 +4,7 @@ include!(concat!("intercdep.rs"));
 
 #[no_mangle]
 pub extern "C" fn r_return_builtin(list: *mut WordList) -> i32 {
+    println!("r_return_builtin call");
 
 unsafe {
     if !list.is_null() && !(*list).word.is_null() &&
diff --git a/bash-5.1/builtins_rust/set/Cargo.toml b/bash-5.1/builtins_rust/set/Cargo.toml
index 33c1629de190ce1b91c86af9c83ce55f17f56e62..a437a2628cf64df7f2f97f6a8de50e845c9dc751 100644
--- a/bash-5.1/builtins_rust/set/Cargo.toml
+++ b/bash-5.1/builtins_rust/set/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 [dependencies]
 libc="*"
 nix="*"
-lazy_static = "*"
+lazy_static = "1.4.0"
 rcommon = {path ="../common"}
 [lib]
 crate-type = ["staticlib","rlib"]
diff --git a/bash-5.1/builtins_rust/set/src/lib.rs b/bash-5.1/builtins_rust/set/src/lib.rs
index c7bf273a58dc5985348294693a2c4e38afc3fffd..8caab34f4097120add311ed960f3e45b3a48be39 100644
--- a/bash-5.1/builtins_rust/set/src/lib.rs
+++ b/bash-5.1/builtins_rust/set/src/lib.rs
@@ -868,7 +868,7 @@ extern "C" {
      static mut interactive_shell : i32;
      static mut history_lines_this_session : i32;
      static mut  rl_editing_mode : i32;
-     static mut  list_optopt :i8;
+     static mut  list_optopt :i32;
      static mut loptend:*mut WordList;
      static assoc_expand_once:i32;
      static mut stdin : libc::FILE;
@@ -916,6 +916,7 @@ unsafe fn find_minus_o_option (mut name : *mut libc::c_char) -> i32 {
     let  ooo = o_options[j];
     //println! ("i  is  {}, j is  {}",i,j);
     if STREQ(name, o_options[j as usize].name) {
+      //println! ("qqqqqqqqqqqq");
       return i;
     }
   }
@@ -1425,7 +1426,7 @@ unsafe fn reset_shell_options () {
         unsafe {
           builtin_usage ();
         }
-          if unsafe {list_optopt} == b'?' as libc::c_char as i8 {
+          if unsafe {list_optopt} == b'?' as libc::c_char as i32 {
             return EXECUTION_SUCCESS!();
           }
           else {
@@ -1439,10 +1440,10 @@ unsafe fn reset_shell_options () {
           }
           return EX_USAGE;
         }
-       // unsafe {
-       //   builtin_usage ();
-       // }
-       //   return EX_USAGE;
+        unsafe {
+          builtin_usage ();
+        }
+          return EX_USAGE;
         }
       }
    // opt = unsafe {internal_getopt(list, optflags.as_ptr() as *mut libc::c_char)};
@@ -1636,7 +1637,7 @@ pub  extern "C"  fn r_unset_builtin(mut list: *mut WordList) -> i32 {
   let mut name: *mut libc::c_char = 0 as *mut libc::c_char;
   let mut tname: *mut libc::c_char = 0 as *mut libc::c_char;
 
-  //println!("enter  r_unset by huanhuan");
+  println!("enter  r_unset by huanhuan");
   let mut c_str_fnv   = CString::new("fnv").unwrap();
   unsafe {
     reset_internal_getopt();
diff --git a/bash-5.1/builtins_rust/setattr/Cargo.toml b/bash-5.1/builtins_rust/setattr/Cargo.toml
index e6ca0fe5659c3a71b5d26e2b8d4c5705118d9d73..90004e4d728755daf4f9b44e5dc3c405edc7d9ad 100644
--- a/bash-5.1/builtins_rust/setattr/Cargo.toml
+++ b/bash-5.1/builtins_rust/setattr/Cargo.toml
@@ -15,7 +15,7 @@ crate-type = ["staticlib","rlib"]
 rdeclare = {path = "../declare"}
 
 [dependencies]
-libc = "*"
-nix = "*"
+libc = "0.2"
+nix = "0.23"
 rdeclare = {path = "../declare"}
-rcommon = {path = "../common"}
+rcommon = {path = "../common"}
\ No newline at end of file
diff --git a/bash-5.1/builtins_rust/setattr/src/lib.rs b/bash-5.1/builtins_rust/setattr/src/lib.rs
index e8a9cce84c17a76e470aff37b85e856b581011e9..3fa36f7366ffec942e4f115ff276ab5ec8a79176 100644
--- a/bash-5.1/builtins_rust/setattr/src/lib.rs
+++ b/bash-5.1/builtins_rust/setattr/src/lib.rs
@@ -6,11 +6,13 @@ include!(concat!("intercdep.rs"));
 
 #[no_mangle]
 pub extern "C" fn r_export_builtin(list: *mut WordList) -> c_int {
+    println!("r_export_builtin call");
     return set_or_show_attributes(list, att_exported, 0);
 }
 
 #[no_mangle]
 pub extern "C" fn r_readonly_builtin(list: *mut WordList) -> c_int {
+    println!("r_readonly_builtin call");
     return set_or_show_attributes(list, att_readonly, 0);
 }
 
@@ -537,4 +539,4 @@ unsafe {
 
 unsafe fn cmp_two(a: usize, b: usize) -> bool {
     return a == b;
-}
+}
\ No newline at end of file
diff --git a/bash-5.1/builtins_rust/shift/Cargo.toml b/bash-5.1/builtins_rust/shift/Cargo.toml
index f9a623de147e2376fc1861004c6af34ac772d6e8..c72aedb3f71d757455401d72a53503e12c874731 100644
--- a/bash-5.1/builtins_rust/shift/Cargo.toml
+++ b/bash-5.1/builtins_rust/shift/Cargo.toml
@@ -12,6 +12,6 @@ name = "rshift"
 crate-type = ["staticlib","rlib"]
 
 [dependencies]
-libc = "*"
-nix = "*"
+libc = "0.2"
+nix = "0.23"
 rcommon = {path = "../common"}
diff --git a/bash-5.1/builtins_rust/shift/src/lib.rs b/bash-5.1/builtins_rust/shift/src/lib.rs
index 47e92555e094e65e1b44aea1738f0b7ea63551bd..ae2d00a0963ce1343b590cad8daf96972709ab9f 100644
--- a/bash-5.1/builtins_rust/shift/src/lib.rs
+++ b/bash-5.1/builtins_rust/shift/src/lib.rs
@@ -7,6 +7,7 @@ pub static print_shift_error: c_int = 0;
 
 #[no_mangle]
 pub extern "C" fn r_shift_builtin(list: *mut WordList) -> i32 {
+    println!("r_shift_builtin call");
 
 unsafe {
     if !list.is_null() && !(*list).word.is_null() &&
diff --git a/bash-5.1/builtins_rust/shopt/src/lib.rs b/bash-5.1/builtins_rust/shopt/src/lib.rs
index 583437e06a5fa881eaced378e9810bdd9228d71b..2f4ed512036dfc83e2dd57a9c22ddb4a36e25334 100644
--- a/bash-5.1/builtins_rust/shopt/src/lib.rs
+++ b/bash-5.1/builtins_rust/shopt/src/lib.rs
@@ -992,7 +992,7 @@ pub unsafe extern "C" fn r_shopt_builtin(mut list: *mut WordList) -> i32 {
             flags & QFLAG,
         );
     } else if flags & (SFLAG | UFLAG) == 0 {                        // shopt [args]
-        //println!("shopt   ===list all ");
+        println!("shopt   ===list all ");
         rval = r_list_shopts(list, flags);
     } else {                                                        // shopt -su
         rval = list_some_shopts(
@@ -1082,7 +1082,7 @@ unsafe extern "C" fn toggle_shopts(
      list: *mut WordList,
      _quiet: i32,
 ) -> i32 {
-    // printf(CString::new(" set command: %s mode=%d").expect("").as_ptr() ,(*(*list).word).word, mode);
+    printf(CString::new(" set command: %s mode=%d").expect("").as_ptr() ,(*(*list).word).word, mode);
     let mut l: *mut WordList;
     let mut ind:i32;
     let mut rval: i32;
diff --git a/bash-5.1/builtins_rust/source/Cargo.toml b/bash-5.1/builtins_rust/source/Cargo.toml
index 4c5eb608a35e465da59e6861758f8b292a39a15d..8057a26f1cf24c6ac5234872cfda8f05b185dd84 100644
--- a/bash-5.1/builtins_rust/source/Cargo.toml
+++ b/bash-5.1/builtins_rust/source/Cargo.toml
@@ -6,9 +6,9 @@ edition = "2018"
 
 
 [dependencies]
-lazy_static = "*"
-libc = "*"
-nix = "*"
+lazy_static = "1.4.0"
+libc = "0.2"
+nix = "0.23.0"
 rcommon = {path ="../common"}
 
 [lib]
diff --git a/bash-5.1/builtins_rust/source/src/lib.rs b/bash-5.1/builtins_rust/source/src/lib.rs
index 76371ffd2ca15c7ad692563e5148ab26f0f1ae5c..7ce136b069fd18065de359f21bd65938e39b20aa 100644
--- a/bash-5.1/builtins_rust/source/src/lib.rs
+++ b/bash-5.1/builtins_rust/source/src/lib.rs
@@ -23,6 +23,14 @@ enum r_instruction {
     r_move_input, r_move_output, r_move_input_word, r_move_output_word,
     r_append_err_and_out
 }
+/*
+#[repr(C)]
+#[derive(Copy,Clone)]
+pub union REDIRECTEE {
+    dest:libc::c_int,
+    filename:* mut WordDesc
+}
+*/
 
 #[repr(C)]
 pub union REDIRECT {
diff --git a/bash-5.1/builtins_rust/suspend/Cargo.toml b/bash-5.1/builtins_rust/suspend/Cargo.toml
index b8ca88879f8cf99844d2143b43d29e6ccaaaaf1b..41ba9da7633cfbc8238eda01e21536c8b941aec7 100644
--- a/bash-5.1/builtins_rust/suspend/Cargo.toml
+++ b/bash-5.1/builtins_rust/suspend/Cargo.toml
@@ -12,6 +12,6 @@ name = "rsuspend"
 crate-type = ["staticlib","rlib"]
 
 [dependencies]
-libc = "*"
-nix = "*"
+libc = "0.2"
+nix = "0.23"
 rcommon = {path = "../common"}
diff --git a/bash-5.1/builtins_rust/suspend/src/lib.rs b/bash-5.1/builtins_rust/suspend/src/lib.rs
index 574c8b4dac9d64ca5d8747700ef849f5b90d40af..bce087870ee66ce76d885efac6811c1d25ef35c3 100644
--- a/bash-5.1/builtins_rust/suspend/src/lib.rs
+++ b/bash-5.1/builtins_rust/suspend/src/lib.rs
@@ -7,6 +7,7 @@ pub static mut old_cont: *mut SigHandler = PT_NULL as *mut SigHandler;
 
 #[no_mangle]
 pub extern "C" fn r_suspend_builtin(mut list: *mut WordList) -> i32 {
+    println!("r_suspend_builtin call");
 
     let mut opt: c_int;
     let mut force: c_int = 0;
@@ -53,4 +54,4 @@ unsafe {
 unsafe fn suspend_continue(sig: c_int)
 {
     set_signal_handler(libc::SIGCONT, old_cont);
-}
+}
\ No newline at end of file
diff --git a/bash-5.1/builtins_rust/test/Cargo.toml b/bash-5.1/builtins_rust/test/Cargo.toml
index b4162c5c51b96c49c7b9f7d38c6dd79546ebe0af..896228eeb95fe81414bd845dc12637701c8e0e8a 100644
--- a/bash-5.1/builtins_rust/test/Cargo.toml
+++ b/bash-5.1/builtins_rust/test/Cargo.toml
@@ -12,6 +12,6 @@ name = "rtest"
 crate-type = ["staticlib","rlib"]
 
 [dependencies]
-libc = "*"
-nix = "*"
+libc = "0.2"
+nix = "0.23"
 rcommon = {path = "../common"}
diff --git a/bash-5.1/builtins_rust/test/src/lib.rs b/bash-5.1/builtins_rust/test/src/lib.rs
index 0112ec1851bc70a74a5d1c0ad5adb5ce592c3f01..2f622d2f1a9aed23a959215c6186e3801b2036cd 100644
--- a/bash-5.1/builtins_rust/test/src/lib.rs
+++ b/bash-5.1/builtins_rust/test/src/lib.rs
@@ -4,6 +4,7 @@ include!(concat!("intercdep.rs"));
 
 #[no_mangle]
 pub extern "C" fn r_test_builtin(list: *mut WordList) -> i32 {
+    println!("r_test_builtin call");
 
     let result: c_int;
     let mut argc: c_int = 0;
diff --git a/bash-5.1/builtins_rust/times/Cargo.toml b/bash-5.1/builtins_rust/times/Cargo.toml
index e9e88365913ec6c2da98f091a4bd15406a639911..3591b5ac4924e9a503ce5516493505a855f071a8 100644
--- a/bash-5.1/builtins_rust/times/Cargo.toml
+++ b/bash-5.1/builtins_rust/times/Cargo.toml
@@ -12,6 +12,6 @@ name = "rtimes"
 crate-type = ["staticlib","rlib"]
 
 [dependencies]
-libc = "*"
-nix = "*"
+libc = "0.2"
+nix = "0.23"
 rcommon = {path = "../common"}
diff --git a/bash-5.1/builtins_rust/times/src/lib.rs b/bash-5.1/builtins_rust/times/src/lib.rs
index c5da312649da4549d4cd803223876eac278665a4..0e2323d785f3d61fa01c003a233bfe73023932cb 100644
--- a/bash-5.1/builtins_rust/times/src/lib.rs
+++ b/bash-5.1/builtins_rust/times/src/lib.rs
@@ -4,6 +4,7 @@ include!(concat!("intercdep.rs"));
 
 #[no_mangle]
 pub extern "C" fn r_times_builtin(list: *mut WordList) -> i32 {
+    println!("r_times_builtin call");
 
 unsafe {
 
diff --git a/bash-5.1/builtins_rust/trap/Cargo.toml b/bash-5.1/builtins_rust/trap/Cargo.toml
index 2405fb780be55fdecbb10a3d75b549255d416087..815f91ac89cf19e48667be9c90724a0177535e03 100644
--- a/bash-5.1/builtins_rust/trap/Cargo.toml
+++ b/bash-5.1/builtins_rust/trap/Cargo.toml
@@ -12,6 +12,6 @@ name = "rtrap"
 crate-type = ["staticlib","rlib"]
 
 [dependencies]
-libc = "*"
-nix = "*"
+libc = "0.2"
+nix = "0.23"
 rcommon = {path = "../common"}
diff --git a/bash-5.1/builtins_rust/trap/src/lib.rs b/bash-5.1/builtins_rust/trap/src/lib.rs
index cdc9a5fb591d7b9fe86761ab4fba64a65b27f402..f5dddb3b34ec679414adb93a8647694f9349a8e6 100644
--- a/bash-5.1/builtins_rust/trap/src/lib.rs
+++ b/bash-5.1/builtins_rust/trap/src/lib.rs
@@ -8,6 +8,7 @@ include!(concat!("intercdep.rs"));
 
 #[no_mangle]
 pub extern "C" fn r_trap_builtin(mut list: *mut WordList) -> i32 {
+    println!("r_trap_builtin call");
 
     let mut list_signal_names: c_int = 0;
     let mut display: c_int = 0;
diff --git a/bash-5.1/builtins_rust/type/Cargo.toml b/bash-5.1/builtins_rust/type/Cargo.toml
index 8b98ea33e5d27d8a7321244f05cf14c8108e6c3e..01ab1e935ed02420cc68410c9e3c1359a8db177c 100644
--- a/bash-5.1/builtins_rust/type/Cargo.toml
+++ b/bash-5.1/builtins_rust/type/Cargo.toml
@@ -1,15 +1,15 @@
 [package]
 authors = ["zhanghuanhuan"]
 name = "rtype"
-edition = "2018"
 version = "0.0.1"
+edition = "2018"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 
 [dependencies]
-libc = "*"
-nix = "*"
+libc = "0.2"
+nix = "0.23.0"
 rcommon = {path ="../common"}
 
 [lib]
diff --git a/bash-5.1/builtins_rust/ulimit/Cargo.toml b/bash-5.1/builtins_rust/ulimit/Cargo.toml
index fd642b1932b2c45d874af2297d5432a6b9bf0ea9..0e03d966d164e20d4ae41f9ada30774a16fe745d 100644
--- a/bash-5.1/builtins_rust/ulimit/Cargo.toml
+++ b/bash-5.1/builtins_rust/ulimit/Cargo.toml
@@ -8,9 +8,9 @@ edition = "2018"
 
 
 [dependencies]
-lazy_static = "*"
-libc = "*"
-nix = "*"
+lazy_static = "1.4.0"
+libc = "0.2"
+nix = "0.23.0"
 rcommon = {path = "../common"}
 
 [lib]
diff --git a/bash-5.1/builtins_rust/umask/Cargo.toml b/bash-5.1/builtins_rust/umask/Cargo.toml
index 6c809514a88c3d42007ca5c63b5d0bc728c5931f..3ec52c402f3f6770d1e4e894d244ec199f0258a4 100644
--- a/bash-5.1/builtins_rust/umask/Cargo.toml
+++ b/bash-5.1/builtins_rust/umask/Cargo.toml
@@ -7,9 +7,12 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-libc = "*"
+libc = "0.2"
 rcommon = {path = "../common"}
 
+
+
+
 [lib]
 crate-type = ["staticlib","rlib"]
 name = "rumask"
diff --git a/bash-5.1/builtins_rust/umask/src/lib.rs b/bash-5.1/builtins_rust/umask/src/lib.rs
index 399070d0153136d4ca5cf95ea218c55c50c8dc34..e45a50f7a9c1cecf322cb4838836803e1623de51 100644
--- a/bash-5.1/builtins_rust/umask/src/lib.rs
+++ b/bash-5.1/builtins_rust/umask/src/lib.rs
@@ -143,6 +143,14 @@ macro_rules! S_IXUGO {
     };
 }
 
+// #[macro_export]
+// macro_rules! DIGIT{
+//     ($c:expr) => {
+//         c >= '0' && c <= '9'
+//     }
+// }
+
+// 
 
 //C库
 extern "C" {
@@ -186,6 +194,7 @@ unsafe fn member(c:*mut c_char,s:*mut c_char) -> bool{
    of -S means display the umask in a symbolic mode. */
 
 pub extern "C" fn r_umask_builtin(mut list:*mut WordList) ->i32{
+    println!("r_umask_builtin");
     let mut print_symbolically:i32;
     let mut opt:i32;
     let  umask_value:i32;
diff --git a/bash-5.1/builtins_rust/wait/Cargo.toml b/bash-5.1/builtins_rust/wait/Cargo.toml
index ce4f668da1789135b7f7a575c09885f68fe3b9e1..f0dad29f5ccf3302dd27a63b08aa4558a1254a82 100644
--- a/bash-5.1/builtins_rust/wait/Cargo.toml
+++ b/bash-5.1/builtins_rust/wait/Cargo.toml
@@ -7,8 +7,8 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-libc = "*"
-nix = "*"
+libc = "0.2"
+nix = "0.23.0"
 rjobs = {path = "../jobs"}
 rread = {path = "../read"}
 rcommon = {path = "../common"}
diff --git a/bash-5.1/builtins_rust/wait/src/lib.rs b/bash-5.1/builtins_rust/wait/src/lib.rs
index d48e5d7d8f6a44ab1a6401d6ae2d6e1d9c887013..6cf0626b7657b72ecaa7e6c093ecd93427ac3186 100644
--- a/bash-5.1/builtins_rust/wait/src/lib.rs
+++ b/bash-5.1/builtins_rust/wait/src/lib.rs
@@ -15,7 +15,7 @@ use rcommon::{r_builtin_unbind_variable,r_builtin_usage,r_get_job_spec,WordList}
 use rcommon::{ WordDesc, EX_USAGE, EXECUTION_SUCCESS, EXECUTION_FAILURE, EX_NOTFOUND, EX_NOEXEC, SUBSHELL_PAREN};
 
 
-// 结构体
+//结构体
 #[repr(C)]
 pub struct procstat{
     pub pid:pid_t,
diff --git a/bash-5.1/configure b/bash-5.1/configure
index 79ce29024eb765402cd99b22a8c77ae87e7755d8..fd4e211334d8533c9670194bf9f4a637dc2a10e8 100755
--- a/bash-5.1/configure
+++ b/bash-5.1/configure
@@ -637,6 +637,7 @@ DEBUG
 RELSTATUS
 BASHVERS
 headersdir
+loadablesdir
 BUILD_DIR
 incdir
 PROFILE_FLAGS
@@ -792,7 +793,6 @@ infodir
 docdir
 oldincludedir
 includedir
-runstatedir
 localstatedir
 sharedstatedir
 sysconfdir
@@ -925,7 +925,6 @@ datadir='${datarootdir}'
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
-runstatedir='${localstatedir}/run'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
 docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
@@ -1178,15 +1177,6 @@ do
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
-  -runstatedir | --runstatedir | --runstatedi | --runstated \
-  | --runstate | --runstat | --runsta | --runst | --runs \
-  | --run | --ru | --r)
-    ac_prev=runstatedir ;;
-  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
-  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
-  | --run=* | --ru=* | --r=*)
-    runstatedir=$ac_optarg ;;
-
   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@@ -1324,7 +1314,7 @@ fi
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-		libdir localedir mandir runstatedir
+		libdir localedir mandir
 do
   eval ac_val=\$$ac_var
   # Remove trailing slashes.
@@ -1477,7 +1467,6 @@ Fine tuning of the installation directories:
   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
-  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
   --libdir=DIR            object code libraries [EPREFIX/lib]
   --includedir=DIR        C header files [PREFIX/include]
   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
@@ -4789,7 +4778,7 @@ else
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@@ -4835,7 +4824,7 @@ else
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@@ -4859,7 +4848,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@@ -4904,7 +4893,7 @@ else
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@@ -4928,7 +4917,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@@ -7839,8 +7828,6 @@ main ()
     if (*(data + i) != *(data3 + i))
       return 14;
   close (fd);
-  free (data);
-  free (data3);
   return 0;
 }
 _ACEOF
@@ -15101,8 +15088,6 @@ main ()
     if (*(data + i) != *(data3 + i))
       return 14;
   close (fd);
-  free (data);
-  free (data3);
   return 0;
 }
 _ACEOF
@@ -20489,8 +20474,8 @@ CFLAGS="$CFLAGS ${STYLE_CFLAGS}"
 #
 if test "$ac_cv_func_dlopen" = "yes" && test -f ${srcdir}/support/shobj-conf
 then
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking shared object configuration for builtins" >&5
-$as_echo_n "checking shared object configuration for builtins... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking shared object configuration for loadable builtins" >&5
+$as_echo_n "checking shared object configuration for loadable builtins... " >&6; }
 	eval `${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c "${host_cpu}" -o "${host_os}" -v "${host_vendor}"`
 
 
@@ -20510,12 +20495,14 @@ fi
 # this should be packaged into a script accessible via ${srcdir}/support
 case "$srcdir" in
 .)	;;
-*)	for d in doc tests support lib ; do	# dirs
+*)	for d in doc tests support lib examples; do	# dirs
 		test -d $d || mkdir $d
 	done
 	for ld in readline glob tilde malloc sh termcap; do	# libdirs
 		test -d lib/$ld || mkdir lib/$ld
 	done
+	test -d examples/loadables || mkdir examples/loadables	# loadable builtins
+	test -d examples/loadables/perl || mkdir examples/loadables/perl
 	;;
 esac
 
@@ -20541,6 +20528,11 @@ fi
 
 
 
+# directory where we install dynamically loadable builtins
+if test -z "$loadablesdir"; then
+	loadablesdir='${libdir}/bash'
+fi
+
 if test -z "$headersdir"; then
 	headersdir='$(includedir)/$(PACKAGE_NAME)'
 fi
@@ -20567,7 +20559,7 @@ fi
 #AC_SUBST(ALLOCA_SOURCE)
 #AC_SUBST(ALLOCA_OBJECT)
 
-ac_config_files="$ac_config_files Makefile builtins/Makefile lib/readline/Makefile lib/glob/Makefile lib/intl/Makefile lib/malloc/Makefile lib/sh/Makefile lib/termcap/Makefile lib/tilde/Makefile support/Makefile po/Makefile.in support/rash.pc support/rashbug.sh"
+ac_config_files="$ac_config_files Makefile builtins/Makefile lib/readline/Makefile lib/glob/Makefile lib/intl/Makefile lib/malloc/Makefile lib/sh/Makefile lib/termcap/Makefile lib/tilde/Makefile doc/Makefile support/Makefile po/Makefile.in examples/loadables/Makefile examples/loadables/Makefile.inc examples/loadables/perl/Makefile support/rash.pc support/rashbug.sh"
 
 ac_config_commands="$ac_config_commands default"
 
@@ -21288,8 +21280,12 @@ do
     "lib/sh/Makefile") CONFIG_FILES="$CONFIG_FILES lib/sh/Makefile" ;;
     "lib/termcap/Makefile") CONFIG_FILES="$CONFIG_FILES lib/termcap/Makefile" ;;
     "lib/tilde/Makefile") CONFIG_FILES="$CONFIG_FILES lib/tilde/Makefile" ;;
+    "doc/Makefile") CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
     "support/Makefile") CONFIG_FILES="$CONFIG_FILES support/Makefile" ;;
     "po/Makefile.in") CONFIG_FILES="$CONFIG_FILES po/Makefile.in" ;;
+    "examples/loadables/Makefile") CONFIG_FILES="$CONFIG_FILES examples/loadables/Makefile" ;;
+    "examples/loadables/Makefile.inc") CONFIG_FILES="$CONFIG_FILES examples/loadables/Makefile.inc" ;;
+    "examples/loadables/perl/Makefile") CONFIG_FILES="$CONFIG_FILES examples/loadables/perl/Makefile" ;;
     "support/rash.pc") CONFIG_FILES="$CONFIG_FILES support/rash.pc" ;;
     "support/rashbug.sh") CONFIG_FILES="$CONFIG_FILES support/rashbug.sh" ;;
     "default") CONFIG_COMMANDS="$CONFIG_COMMANDS default" ;;
diff --git a/bash-5.1/configure.ac b/bash-5.1/configure.ac
index dc6dd53ef73f713eff13fc78bba06576ee4cd8c1..2d2a05906fe9319503f889cdb6931b646c7fbc57 100644
--- a/bash-5.1/configure.ac
+++ b/bash-5.1/configure.ac
@@ -1216,7 +1216,7 @@ CFLAGS="$CFLAGS ${STYLE_CFLAGS}"
 #
 if test "$ac_cv_func_dlopen" = "yes" && test -f ${srcdir}/support/shobj-conf
 then
-	AC_MSG_CHECKING(shared object configuration for builtins)
+	AC_MSG_CHECKING(shared object configuration for loadable builtins)
 	eval `${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c "${host_cpu}" -o "${host_os}" -v "${host_vendor}"`
 	AC_SUBST(SHOBJ_CC)
 	AC_SUBST(SHOBJ_CFLAGS)
@@ -1241,6 +1241,8 @@ case "$srcdir" in
 	for ld in readline glob tilde malloc sh termcap; do	# libdirs
 		test -d lib/$ld || mkdir lib/$ld
 	done
+	test -d examples/loadables || mkdir examples/loadables	# loadable builtins
+	test -d examples/loadables/perl || mkdir examples/loadables/perl
 	;;
 esac
 
@@ -1266,6 +1268,11 @@ AC_SUBST(BUILD_DIR)
 AC_SUBST(datarootdir)
 AC_SUBST(localedir)
 
+# directory where we install dynamically loadable builtins
+if test -z "$loadablesdir"; then
+	loadablesdir='${libdir}/bash'
+fi
+AC_SUBST(loadablesdir)
 if test -z "$headersdir"; then
 	headersdir='$(includedir)/$(PACKAGE_NAME)'
 fi
@@ -1295,8 +1302,10 @@ AC_SUBST(LOCAL_DEFS)
 AC_OUTPUT([Makefile builtins/Makefile lib/readline/Makefile lib/glob/Makefile \
 	  lib/intl/Makefile \
 	  lib/malloc/Makefile lib/sh/Makefile lib/termcap/Makefile \
-	  lib/tilde/Makefile support/Makefile po/Makefile.in \
-	  support/rash.pc support/rashbug.sh],
+	  lib/tilde/Makefile doc/Makefile support/Makefile po/Makefile.in \
+	  examples/loadables/Makefile examples/loadables/Makefile.inc \
+	  examples/loadables/perl/Makefile \
+	  support/bash.pc support/rashbug.sh],
 [
 # Makefile uses this timestamp file to record whether config.h is up to date.
 echo timestamp > stamp-h
diff --git a/bash-5.1/execute_cmd.c b/bash-5.1/execute_cmd.c
index b2933f7f0cf5ed34f86f599f0c9893b7b1630a94..8fae15e6f29cffd6f85fe49edd2598be8982fe48 100644
--- a/bash-5.1/execute_cmd.c
+++ b/bash-5.1/execute_cmd.c
@@ -4839,8 +4839,9 @@ execute_builtin (builtin, words, flags, subshell)
 
   executing_builtin++;
   executing_command_builtin |= builtin == command_builtin;
-  // result = ((*builtin) (words->next));
-  result = r_exec_cmd(words->word->word, words->next);
+  //result = ((*builtin) (words->next));
+  result = r_exec_cmd(this_command_name,words->next);
+  //r_execute_cmd2(words->next);
 
   /* This shouldn't happen, but in case `return' comes back instead of
      longjmp'ing, we need to unwind. */
@@ -5499,7 +5500,7 @@ execute_disk_command (words, redirects, command_line, pipe_in, pipe_out,
 
   if (command)
     {
-      //printf("command  is  %s ========== ======= \n",command);
+      printf("command  is  %s ========== ======= \n",command);
       /* If we're optimizing out the fork (implicit `exec'), decrement the
 	 shell level like `exec' would do. */
 #if 0 /* TAG: bash-5.2 psmith 10/11/2020 */
@@ -5813,6 +5814,7 @@ shell_execve (command, args, env)
      char *command;
      char **args, **env;
 {
+  printf("wwwwwwwwwwwwwwwwwwwwwwwwww===========\n");
   int larray, i, fd;
   char sample[HASH_BANG_BUFSIZ];
   int sample_len;
diff --git a/bash-5.1/resources/en-US/message.ftl b/bash-5.1/resources/en-US/message.ftl
index a4a673a99b6c692973f95f5f13896b6869c7a033..64091a658ba38a9a0daa59ae5a6cf9816515f7a7 100644
--- a/bash-5.1/resources/en-US/message.ftl
+++ b/bash-5.1/resources/en-US/message.ftl
@@ -787,7 +787,7 @@ $cmdName ->
     Exit Status:
     Always succeeds.
 
-    [ulimit] Modify shell resource limits.
+    [limit] Modify shell resource limits.
     
     Provides control over the resources available to the shell and 
     processes
@@ -1459,7 +1459,7 @@ $cmdName ->
 [suspend] suspend - Suspend shell execution.
 [eval] eval - Evaluate conditional expression.
 [times] times - Display process times.
-[ulimit] limit - Modify shell resource limits.
+[limit] limit - Modify shell resource limits.
 [umask] umask - Display or set file mode mask.
 [return] return - Wait for job completion and return exit status.
 [wait] wait -Wait for process completion and return exit status.
@@ -1491,76 +1491,4 @@ $cmdName ->
 [bind] bind -  Set Readline key bindings and variables.。
 [test] test - Evaluate arithmetic expressions.
 *[other] show other command help info..
-}
-
-helpsynopsis = {
-$cmdName ->
-[set]   {"set [-abefhkmnptuvxBCHP] [-o option-name] [--] [arg ...]"}
-[read]  {"read [-ers] [-a array] [-d delim] [-i text] [-n nchars] [-N nchars] [-p prompt] [-t timeout] [-u fd] [name ...]"}
-[type]  {"type [-afptP] name [name ...]"}
-[trap]  {"trap [-lp] [[arg] signal_spec ...]"}
-[alias] {"alias [-p] [name[=value] ... ]"}
-[unalias] {"unalias [-a] name [name ...]"}
-[break] {"break [n]"}
-[continue] {"continue [n]"}
-[builtin] {"unalias [-a] name [name ...]"}
-[caller] {"caller [expr] "}
-[cd] {"cd [-L|[-P [-e]] [-@]] [dir]"}
-[pwd] {"pwd [-LP]"}
-[true] {"true"}
-[shopt] {"shopt [-pqsu] [-o] [optname ...]"}
-[false] {"false"}
-[command] {"command [-pVv] command [arg ...]"}
-[echo] {"echo [-neE] [arg ...]"}
-[enable] {"enable [-a] [-dnps] [-f filename] [name ...] "}
-[getopts] {"getopts optstring name [arg ...]"}
-[exec] {"exec [-cl] [-a name] [command [argument ...]] [redirection ...] "}
-[exit] {"exit [n]"}
-[logout] {"logout [n]"}
-[fc] {"fc [-e ename] [-lnr] [first] [last] or fc -s [pat=rep] [command]"}
-[fg] {"fg [job_spec] "}
-[bg] {"bg [job_spec ...]"}
-[hash] {"hash [-lr] [-p pathname] [-dt] [name ...]"}
-[help] {"help [-dms] [pattren ...]"}
-[history] {"history [-c] [-d offset] [n] or history -anrw [filename] or history -ps arg [arg...]"}
-[jobs] {"jobs [-lnprs] [jobspec ...] or jobs -x command [args]"}
-[disown] {"disown [-h] [-ar] [jobspec ... | pid ...]"}
-[kill] {"kill [-s sigspec | -n signum | -sigspec] pid | jobspec ... or kill -l [sigspec]"}
-[let] {"let arg [arg ...]"}
-[shift] {"shift [n]"}
-[suspend] {"suspend [-f]"}
-[eval] {"eval [arg ...]"}
-[times] {"times"}
-[ulimit] {"ulimit [-SHabcdefiklmnpqrstuvxPT] [ulimit]"}
-[umask] {"umask [-p] [-S] [pattern]"}
-[return] {"return [n]"}
-[wait] {"wait [-fn] [-p var] [id ...]"}
-[for] {"for NAME [in WORDS ... ] ; do COMMANDS; done"}
-[select] {"select NAME [in WORDS ... ;] do COMMANDS; done"}
-[time] {"time [-p] pipeline"}
-[case] {"case WORD in [pattern [| pattern]...) COMMANDS ;;]... esac"}
-[if] {"if COMMANDS; then COMMANDS; [ elif COMMANDS; then COMMANDS; ]... [ else COMMANDS; ] fi"}
-[while] {"while COMMANDS; do COMMANDS; done"}
-[until] {"until COMMANDS; do COMMANDS; done"}
-[coproc] {"coproc [NAME] COMMANDS [redirections]"}
-[variables] {"variables - variables - Names and meanings of some shell variables"}
-[pushd] {"pushd [-n] [+N | -N | dir]"}
-[popd] {"popd [-n] [+N | -N]"}
-[dirs] {"dirs [-clpv] [+N] [-N]"}
-[printf] {"printf [-v var] format [arguments]"}
-[complete] {"complete [-abcdefgjksuv] [-pr] [-DEI] [-o option] [-A action] [-G globpat] [-W wordlist] [-F function] [-C command] [-X filterpat] [-P prefix] [-S suffix] [name ...]"}
-[compgen] {"compgen [-abcdefgjksuv] [-o option] [-A action] [-G globpat] [-W wordlist] [-F function] [-C command] [-X filterpat] [-P prefix] [-S suffix] [word]"}
-[compopt] {"compopt [-o|+o option] [-DEI] [name ...]"}
-[mapfile] {"mapfile [-d delim] [-n count] [-O origin] [-s count] [-t] [-u fd] [-C callback] [-c quantum] [array]]"}
-[unset] {"unset [-f] [-v] [-n] [NAME ...]"}
-[readarray] {"readarray [-d delim] [-n count] [-O origin] [-s count] [-t] [-u fd] [-C callback] [-c quantum] [array]"}
-[local] {"local [option] name[=value] ... "}
-[export] {"export [-fn] [name[=value] ...] or export -p"}
-[readonly] {"readonly [-aAf] [name[=value] ...] or readonly -p"}
-[function] {"function NAME { COMMANDS ; } 或 name () { COMMANDS ; } "}
-[typeset] {"typeset [-aAfFgiIlnrtux] [-p] name[=value] ..."}
-[source] {"source filename [arguments]"}
-[bind] {"bind [-lpsvPSVX] [-m keymap] [-f filename] [-q name] [-u name] [-r keyseq] [-x keyseq:shell-command] [keyseq:readline-function or readline-command] "}
-[test] {"test [expr]"}
-*[other]  show other command help info..
-}
+}
\ No newline at end of file
diff --git a/bash-5.1/resources/zh-CN/message.ftl b/bash-5.1/resources/zh-CN/message.ftl
index f7e1faf2d325797e88b1c1ed019f4792c2651c56..4ca3b5f17118804aa1aca8653b98b8180a36cb1a 100644
--- a/bash-5.1/resources/zh-CN/message.ftl
+++ b/bash-5.1/resources/zh-CN/message.ftl
@@ -735,7 +735,7 @@ $cmdName ->
     退出状态
     总是成功。
 
-    [ulimit] 修改 shell 资源限制。
+    [limit] 修改 shell 资源限制。
     
     在允许此类控制的系统上，提供对于 shell 及其创建的进程所可用的
     资源的控制。
@@ -1305,7 +1305,7 @@ $cmdName ->
 [suspend] suspend - 挂起 shell 执行。
 [eval] eval - 对条件表达式进行估值。
 [times] times - 显示进程时间
-[ulimit] limit - 修改 shell 资源限制。
+[limit] limit - 修改 shell 资源限制。
 [umask] umask - 显示或设定文件模式掩码。
 [return] return - 等待任务完成并返回退出状态。
 [wait] wait - 等待进程完成并且返回退出状态。
@@ -1337,78 +1337,4 @@ $cmdName ->
 [bind] bind - 设定 Readline 键绑定和变量。
 [test] test - 估值算术表达式。
 *[other] 显示其他命令帮助信息 .
-
-
-}
-
-helpsynopsis = {
-$cmdName ->
-[set]   {"set [--abefhkmnptuvxBCHP][-o 选项名][--][参数 ...]"}
-[read]  {"read [-ers] [-a 数组] [-d 分隔符] [-i 缓冲区文字] [-n 读取字符数] [-N 读取字符数] [-p 提示符] [-t 超时] [-u 文件描述符] [名称 ...]"}
-[type]  {"type [-afptP] 名称 [名称 ...]"}
-[trap]  {"trap: trap [-lp] [[参数] 信号声明 ...]"}
-[alias] {"alias [-p] [名称[=值] ... ]"}
-[unalias] {"unalias [-a] 名称 [名称 ...] "}
-[break] {"break [n]"}
-[continue] {"continue [n]"}
-[builtin] {"builtin [shell 内建 [参数 ...]] "}
-[caller] {"caller [表达式] "}
-[cd] {"cd [-L|[-P [-e]] [-@]] [目录]"}
-[pwd] {"pwd [-LP]"}
-[true] {"true"}
-[shopt] {"shopt [-pqsu] [-o] [选项名 ...]"}
-[false] {"false"}
-[command] {"command [-pVv] 命令 [参数 ...]"}
-[echo] {"echo [-neE] [参数 ...]"}
-[enable] {"enable [-a] [-dnps] [-f 文件名] [名称 ...] "}
-[getopts] {"getopts 选项字符串 名称 [参数]"}
-[exec] {"exec [-cl] [-a 名称] [命令 [参数 ...]] [重定向 ...] "}
-[exit] {"exit [n]"}
-[logout] {"logout [n]"}
-[fc] {"fc [-e 编辑器名] [-lnr] [起始] [终结] 或 fc -s [模式=替换串] [命令]"}
-[fg] {"fg [任务声明] "}
-[bg] {"bg [任务声明 ...]"}
-[hash] {"hash [-lr] [-p 路径名] [-dt] [名称 ...]"}
-[help] {"help [-dms] [模式 ...]"}
-[history] {"history [-c] [-d 偏移量] [n] 或 history -anrw [文件名] 或 history -ps 参数 [参数...]"}
-[jobs] {"jobs [-lnprs] [任务声明 ...] 或 jobs -x 命令 [参数]"}
-[disown] {"disown [-h] [-ar] [任务声明 ... | pid ...]"}
-[kill] {"kill [-s 信号声明 | -n 信号编号 | -信号声明] 进程号 | 任务声明 ... 或 kill -l [信号声明]"}
-[let] {"let 参数 [参数 ...]"}
-[shift] {"shift [n]"}
-[suspend] {"suspend [-f]"}
-[eval] {"eval [参数 ...]"}
-[times] {"times"}
-[ulimit] {"ulimit [-SHabcdefiklmnpqrstuvxPT] [限制]"}
-[umask] {"umask [-p] [-S] [模式]"}
-[return] {"return [n]"}
-[wait] {"wait [-fn] [编号 ...]"}
-[for] {"for 名称 [in 词语 ... ] ; do 命令; done"}
-[select] {"select NAME [in 词语 ... ;] do 命令; done"}
-[time] {"time [-p] 管道"}
-[case] {"case 词 in [模式 [| 模式]...) 命令 ;;]... esac"}
-[if] {"if 命令; then 命令; [ elif 命令; then 命令; ]... [ else 命令; ] fi"}
-[while] {"while 命令; do 命令; done"}
-[until] {"until 命令; do 命令; done"}
-[coproc] {"coproc [名称] 命令 [重定向]"}
-[variables] {"variables - 一些 shell 变量的名称和含义"}
-[pushd] {"pushd [-n] [+N | -N | 目录]"}
-[popd] {"popd [-n] [+N | -N]"}
-[dirs] {"dirs [-clpv] [+N] [-N]"}
-[printf] {"printf [-v var] 格式 [参数]"}
-[complete] {"complete [-abcdefgjksuv] [-pr] [-DEI] [-o 选项] [-A 动作] [-G 全局模式][-W 词语列表]  [-F 函数] [-C 命令] [-X 过滤模式] [-P 前缀] [-S 后缀] [名称 ...]"}
-[compgen] {"compgen [-abcdefgjksuv] [-o 选项]  [-A 动作] [-G 全局模式] [-W 词语列表]  [-F 函数]  [-C 命令] [-X 过滤模式] [-P 前缀] [-S 后缀] [词语]"}
-[compopt] {"compopt [-o|+o 选项] [-DEI] [名称 ...]"}
-[mapfile] {"mapfile [-d 分隔符] [-n 计数] [-O 起始序号] [-s 计数] [-t] [-u fd] [-C 回调] [-c 量子] [数组]"}
-[unset] {"unset [-f] [-v] [-n] [名称 ...]"}
-[readarray] {"readarray [-d 定界符] [-n 计数] [-O 起始序号] [-s 计数] [-t] [-u fd] [-C 回调] [-c 量子] [数组]"}
-[local] {"local [option] 名称[=值] ... "}
-[export] {"export [-fn] [名称[=值] ...] 或 export -p"}
-[readonly] {"readonly [-aAf] [名称[=值] ...] 或 readonly -p"}
-[function] {"function 名称 { 命令 ; } 或 name () { 命令 ; } "}
-[typeset] {"typeset [-aAfFgilnrtux] [-p] 名称[=值] ..."}
-[source] {"source 文件名 [参数]"}
-[bind] {"bind [-lpvsPSVX] [-m 键映射] [-f 文件名] [-q 名称] [-u 名称] [-r 键序列] [-x 键序列:shell-命令] [键序列:readline-函数 或 readline-命令] "}
-[test] {"test [表达式]"}
-*[other] 显示其他命令帮助信息
 }
diff --git a/bash-5.1/resources/zh-HK/message.ftl b/bash-5.1/resources/zh-HK/message.ftl
index 6e07aed1f5ba302b5cc79e2c1f7a4a1d66c880f0..c6f85a0aec6f8022138fcdf536d16e5ecde43eab 100644
--- a/bash-5.1/resources/zh-HK/message.ftl
+++ b/bash-5.1/resources/zh-HK/message.ftl
@@ -736,7 +736,7 @@ $cmdName ->
     退出状态
     总是成功。
 
-    [ulimit] 修改 shell 资源限制。
+    [limit] 修改 shell 资源限制。
     
     在允许此类控制的系统上，提供对于 shell 及其创建的进程所可用的
     资源的控制。
@@ -1306,7 +1306,7 @@ $cmdName ->
 [suspend] suspend - 挂起 shell 执行。
 [eval] eval - 对条件表达式进行估值。
 [times] times - 显示进程时间
-[ulimit] limit - 修改 shell 资源限制。
+[limit] limit - 修改 shell 资源限制。
 [umask] umask - 显示或设定文件模式掩码。
 [return] return - 等待任务完成并返回退出状态。
 [wait] wait - 等待进程完成并且返回退出状态。
@@ -1339,75 +1339,3 @@ $cmdName ->
 [test] test - 估值算术表达式。
 *[other] 显示其他命令帮助信息 .
 }
-
-helpsynopsis = {
-$cmdName ->
-[set]   {"set [--abefhkmnptuvxBCHP][-o 选项名][--][参数 ...]"}
-[read]  {"read [-ers] [-a 数组] [-d 分隔符] [-i 缓冲区文字] [-n 读取字符数] [-N 读取字符数] [-p 提示符] [-t 超时] [-u 文件描述符] [名称 ...]"}
-[type]  {"type [-afptP] 名称 [名称 ...]"}
-[trap]  {"trap: trap [-lp] [[参数] 信号声明 ...]"}
-[alias] {"alias [-p] [名称[=值] ... ]"}
-[unalias] {"unalias [-a] 名称 [名称 ...] "}
-[break] {"break [n]"}
-[continue] {"continue [n]"}
-[builtin] {"builtin [shell 内建 [参数 ...]] "}
-[caller] {"caller [表达式] "}
-[cd] {"cd [-L|[-P [-e]] [-@]] [目录]"}
-[pwd] {"pwd [-LP]"}
-[true] {"true"}
-[shopt] {"shopt [-pqsu] [-o] [选项名 ...]"}
-[false] {"false"}
-[command] {"command [-pVv] 命令 [参数 ...]"}
-[echo] {"echo [-neE] [参数 ...]"}
-[enable] {"enable [-a] [-dnps] [-f 文件名] [名称 ...] "}
-[getopts] {"getopts 选项字符串 名称 [参数]"}
-[exec] {"exec [-cl] [-a 名称] [命令 [参数 ...]] [重定向 ...] "}
-[exit] {"exit [n]"}
-[logout] {"logout [n]"}
-[fc] {"fc [-e 编辑器名] [-lnr] [起始] [终结] 或 fc -s [模式=替换串] [命令]"}
-[fg] {"fg [任务声明] "}
-[bg] {"bg [任务声明 ...]"}
-[hash] {"hash [-lr] [-p 路径名] [-dt] [名称 ...]"}
-[help] {"help [-dms] [模式 ...]"}
-[history] {"history [-c] [-d 偏移量] [n] 或 history -anrw [文件名] 或 history -ps 参数 [参数...]"}
-[jobs] {"jobs [-lnprs] [任务声明 ...] 或 jobs -x 命令 [参数]"}
-[disown] {"disown [-h] [-ar] [任务声明 ... | pid ...]"}
-[kill] {"kill [-s 信号声明 | -n 信号编号 | -信号声明] 进程号 | 任务声明 ... 或 kill -l [信号声明]"}
-[let] {"let 参数 [参数 ...]"}
-[shift] {"shift [n]"}
-[suspend] {"suspend [-f]"}
-[eval] {"eval [参数 ...]"}
-[times] {"times"}
-[ulimit] {"ulimit [-SHabcdefiklmnpqrstuvxPT] [限制]"}
-[umask] {"umask [-p] [-S] [模式]"}
-[return] {"return [n]"}
-[wait] {"wait [-fn] [编号 ...]"}
-[for] {"for 名称 [in 词语 ... ] ; do 命令; done"}
-[select] {"select NAME [in 词语 ... ;] do 命令; done"}
-[time] {"time [-p] 管道"}
-[case] {"case 词 in [模式 [| 模式]...) 命令 ;;]... esac"}
-[if] {"if 命令; then 命令; [ elif 命令; then 命令; ]... [ else 命令; ] fi"}
-[while] {"while 命令; do 命令; done"}
-[until] {"until 命令; do 命令; done"}
-[coproc] {"coproc [名称] 命令 [重定向]"}
-[variables] {"variables - 一些 shell 变量的名称和含义"}
-[pushd] {"pushd [-n] [+N | -N | 目录]"}
-[popd] {"popd [-n] [+N | -N]"}
-[dirs] {"dirs [-clpv] [+N] [-N]"}
-[printf] {"printf [-v var] 格式 [参数]"}
-[complete] {"complete [-abcdefgjksuv] [-pr] [-DEI] [-o 选项] [-A 动作] [-G 全局模式]   [-W 词语列表]  [-F 函数] [-C 命令] [-X 过滤模式] [-P 前缀] [-S 后缀] [名称 ...]"}
-[compgen] {"compgen [-abcdefgjksuv] [-o 选项]  [-A 动作] [-G 全局模式] [-W 词语列表]  [-F 函数]  [-C 命令] [-X 过滤模式] [-P 前缀] [-S 后缀] [词语]"}
-[compopt] {"compopt [-o|+o 选项] [-DEI] [名称 ...]"}
-[mapfile] {"mapfile [-d 分隔符] [-n 计数] [-O 起始序号] [-s 计数] [-t] [-u fd] [-C 回调] [-c 量子] [数组]"}
-[unset] {"unset [-f] [-v] [-n] [名称 ...]"}
-[readarray] {"readarray [-d 定界符] [-n 计数] [-O 起始序号] [-s 计数] [-t] [-u fd] [-C 回调] [-c 量子] [数组]"}
-[local] {"local [option] 名称[=值] ... "}
-[export] {"export [-fn] [名称[=值] ...] 或 export -p"}
-[readonly] {"readonly [-aAf] [名称[=值] ...] 或 readonly -p"}
-[function] {"function 名称 { 命令 ; } 或 name () { 命令 ; } "}
-[typeset] {"typeset [-aAfFgilnrtux] [-p] 名称[=值] ..."}
-[source] {"source 文件名 [参数]"}
-[bind] {"bind [-lpvsPSVX] [-m 键映射] [-f 文件名] [-q 名称] [-u 名称] [-r 键序列] [-x 键序列:shell-命令]  [键序列:readline-函数 或 readline-命令] "}
-[test] {"test [表达式]"}
-*[other] 显示其他命令帮助信息 .
-}
diff --git a/bash-5.1/support/rash.pc b/bash-5.1/support/rash.pc
index 480ecd95abd516cf1c857399c25454127b50638f..43e72d157306d6d4526cdbb64054117dcdb06ada 100644
--- a/bash-5.1/support/rash.pc
+++ b/bash-5.1/support/rash.pc
@@ -5,7 +5,7 @@ exec_prefix=${prefix}
 includedir=${prefix}/include
 libdir=${exec_prefix}/lib
 
-loadablesdir=@loadablesdir@
+loadablesdir=${libdir}/bash
 headersdir=${includedir}/rash
 
 LOCAL_CFLAGS = 
diff --git a/bash-5.1/vendor/libc/.cargo-checksum.json b/bash-5.1/vendor/libc/.cargo-checksum.json
index 26956a4348c18265ea61420d4075eb45a2b9a4d9..f16c56427587e7d18b473f77c92fbd647b0aae4f 100644
--- a/bash-5.1/vendor/libc/.cargo-checksum.json
+++ b/bash-5.1/vendor/libc/.cargo-checksum.json
@@ -1 +1 @@
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e/linux/uclibc/x86_64/l4re.rs":"024eba5753e852dbdd212427351affe7e83f9916c1864bce414d7aa2618f192e","src/unix/linux_like/linux/uclibc/x86_64/mod.rs":"bf6985e901041a61e90ccee1296b35a4c62ef90aa528d31989e1d647f072e79a","src/unix/linux_like/linux/uclibc/x86_64/other.rs":"42c3f71e58cabba373f6a55a623f3c31b85049eb64824c09c2b082b3b2d6a0a8","src/unix/linux_like/mod.rs":"09fa012e027bfcdaabee221c1b676804a9c7e0e04a4b64fdd98a50c9b5c2f674","src/unix/mod.rs":"fbd5520d160a32a127608cd408905febe387773bbf05bfe199ef385fb5562e9c","src/unix/newlib/aarch64/mod.rs":"bac93836a9a57b2c710f32f852e92a4d11ad6759ab0fb6ad33e71d60e53278af","src/unix/newlib/align.rs":"28aaf87fafbc6b312622719d472d8cf65f9e5467d15339df5f73e66d8502b28a","src/unix/newlib/arm/mod.rs":"cbba6b3e957eceb496806e60de8725a23ff3fa0015983b4b4fa27b233732b526","src/unix/newlib/espidf/mod.rs":"816f235f4aa4baabba7f2606b31d0fdb03988c52194c966728de8690bf17299d","src/unix/newlib/generic.rs":"eab066d9f0a0f3eb53cc1073d01496bba0110989e1f6a59838afd19f870cd599","src/unix/newlib/horizon/mod.rs":"7cc5cc120437421db139bfa6a90b18168cd3070bdd0f5be96d40fe4c996f3ca1","src/unix/newlib/mod.rs":"54633d606e4e0413274af0b5beb5e697e6c061b63feaa0704b026554cc9d9c3e","src/unix/newlib/no_align.rs":"e0743b2179495a9514bc3a4d1781e492878c4ec834ee0085d0891dd1712e82fb","src/unix/newlib/powerpc/mod.rs":"0202ffd57caf75b6afa2c9717750ffb96e375ac33df0ae9609a3f831be393b67","src/unix/no_align.rs":"c06e95373b9088266e0b14bba0954eef95f93fb2b01d951855e382d22de78e53","src/unix/redox/mod.rs":"033768cb273daf2c8090d97252c2de9dba6809e6a5d2457f5727d724807695db","src/unix/solarish/compat.rs":"b07a5bfac925eb012003a459ba6bddbd3bfa9c44b3394da2ac5a602e54beae9c","src/unix/solarish/illumos.rs":"29387916ee7dc58f07478746024003215e631cd30953e8fa2a5c415f81839007","src/unix/solarish/mod.rs":"8914a68865af026c1f4fb1d5f02ba0053362ef34b813ad60cc4aa3a88aa4999e","src/unix/solarish/solaris.rs":"65b005453aefa9b9d4fc860fe77cfec80d8c97a51342b15daf55fc3e808bb384","src/unix/solarish/x86.rs":"e86e806df0caed72765040eaa2f3c883198d1aa91508540adf9b7008c77f522e","src/unix/solarish/x86_64.rs":"9074e813949f3c613afeac39d4118fb942c0b3c476232fc536489357cff5790f","src/unix/solarish/x86_common.rs":"ac869d9c3c95645c22460468391eb1982023c3a8e02b9e06a72e3aef3d5f1eac","src/vxworks/aarch64.rs":"98f0afdc511cd02557e506c21fed6737585490a1dce7a9d4941d08c437762b99","src/vxworks/arm.rs":"acb7968ce99fe3f4abdf39d98f8133d21a4fba435b8ef7084777cb181d788e88","src/vxworks/mod.rs":"aea3da66f2140f2a82dfc9c58f6e6531d2dd9c15ea696e0f95a0d4a2a187b5b6","src/vxworks/powerpc.rs":"acb7968ce99fe3f4abdf39d98f8133d21a4fba435b8ef7084777cb181d788e88","src/vxworks/powerpc64.rs":"98f0afdc511cd02557e506c21fed6737585490a1dce7a9d4941d08c437762b99","src/vxworks/x86.rs":"552f007f38317620b23889cb7c49d1d115841252439060122f52f434fbc6e5ba","src/vxworks/x86_64.rs":"018d92be3ad628a129eff9f2f5dfbc0883d8b8e5f2fa917b900a7f98ed6b514a","src/wasi.rs":"4fae202af0327d768ed9e1b586b75816cce14fe2dc16947d2f3d381f209a54c1","src/windows/gnu/align.rs":"b2c13ec1b9f3b39a75c452c80c951dff9d0215e31d77e883b4502afb31794647","src/windows/gnu/mod.rs":"3c8c7edb7cdf5d0c44af936db2a94869585c69dfabeef30571b4f4e38375767a","src/windows/mod.rs":"090dd8fcd951d18f1905bca96188783c2e3f1433484926ecdcda144237ecec0f","src/windows/msvc/mod.rs":"c068271e00fca6b62bc4bf44bcf142cfc38caeded9b6c4e01d1ceef3ccf986f4","tests/const_fn.rs":"cb75a1f0864f926aebe79118fc34d51a0d1ade2c20a394e7774c7e545f21f1f4"},"package":"8371e4e5341c3a96db127eb2465ac681ced4c433e01dd0e938adbef26ba93ba5"}
\ No newline at end of file
diff --git a/bash-5.1/vendor/libc/CONTRIBUTING.md b/bash-5.1/vendor/libc/CONTRIBUTING.md
index 5be6eb9be4a22e56399ca9d1d976b91ffdd00b34..3315ed3e84f7ea687393b11760cd14127ad9f7f2 100644
--- a/bash-5.1/vendor/libc/CONTRIBUTING.md
+++ b/bash-5.1/vendor/libc/CONTRIBUTING.md
@@ -72,6 +72,10 @@ after a certain period. The steps are:
     If you're using it, please comment on #XXX").
 2. If we don't see any concerns for a while, do the change actually.
 
+## Supported target policy
+
+When Rust removes a support for a target, the libc crate also may remove the support anytime.
+
 ## Releasing your change to crates.io
 
 Now that you've done the amazing job of landing your new API or your new
diff --git a/bash-5.1/vendor/libc/Cargo.toml b/bash-5.1/vendor/libc/Cargo.toml
index 7983d029f49ccb2f7f29018d60b4b8de737b35f6..5b54eced6084468583f80a32da187b2f791cbbed 100644
--- a/bash-5.1/vendor/libc/Cargo.toml
+++ b/bash-5.1/vendor/libc/Cargo.toml
@@ -11,7 +11,7 @@
 
 [package]
 name = "libc"
-version = "0.2.126"
+version = "0.2.132"
 authors = ["The Rust Project Developers"]
 build = "build.rs"
 exclude = [
diff --git a/bash-5.1/vendor/libc/README.md b/bash-5.1/vendor/libc/README.md
index a8a3afd9f6cf2d3cc014f2c680db9697870d067a..bc5ad18f6b1b85f05632b6a78a840e2a1e747d44 100644
--- a/bash-5.1/vendor/libc/README.md
+++ b/bash-5.1/vendor/libc/README.md
@@ -35,13 +35,16 @@ libc = "0.2"
   This feature derives `Debug`, `Eq`, `Hash`, and `PartialEq`.
 
 * `const-extern-fn`: Changes some `extern fn`s into `const extern fn`s.
-   This feature requires a nightly rustc.
+  If you use Rust >= 1.62, this feature is implicitly enabled.
+  Otherwise it requires a nightly rustc.
 
 * **deprecated**: `use_std` is deprecated, and is equivalent to `std`.
 
 ## Rust version support
 
-The minimum supported Rust toolchain version is **Rust 1.13.0** . APIs requiring
+The minimum supported Rust toolchain version is currently **Rust 1.13.0**.
+(libc does not currently have any policy regarding changes to the minimum
+supported Rust version; such policy is a work in progress.) APIs requiring
 newer Rust features are only available on newer Rust toolchains:
 
 | Feature              | Version |
@@ -53,6 +56,7 @@ newer Rust features are only available on newer Rust toolchains:
 | `core::ffi::c_void`  |  1.30.0 |
 | `repr(packed(N))`    |  1.33.0 |
 | `cfg(target_vendor)` |  1.33.0 |
+| `const-extern-fn`    |  1.62.0 |
 
 ## Platform support
 
diff --git a/bash-5.1/vendor/libc/build.rs b/bash-5.1/vendor/libc/build.rs
index bc7b77f25e97d817bb2efb8816dd43294f694185..0a43b2a12ea968986fcc50a11ba21a11ae9b19b2 100644
--- a/bash-5.1/vendor/libc/build.rs
+++ b/bash-5.1/vendor/libc/build.rs
@@ -97,11 +97,18 @@ fn main() {
         println!("cargo:rustc-cfg=libc_thread_local");
     }
 
-    if const_extern_fn_cargo_feature {
-        if !is_nightly || rustc_minor_ver < 40 {
-            panic!("const-extern-fn requires a nightly compiler >= 1.40")
-        }
+    // Rust >= 1.62.0 allows to use `const_extern_fn` for "Rust" and "C".
+    if rustc_minor_ver >= 62 {
         println!("cargo:rustc-cfg=libc_const_extern_fn");
+    } else {
+        // Rust < 1.62.0 requires a crate feature and feature gate.
+        if const_extern_fn_cargo_feature {
+            if !is_nightly || rustc_minor_ver < 40 {
+                panic!("const-extern-fn requires a nightly compiler >= 1.40");
+            }
+            println!("cargo:rustc-cfg=libc_const_extern_fn_unstable");
+            println!("cargo:rustc-cfg=libc_const_extern_fn");
+        }
     }
 }
 
diff --git a/bash-5.1/vendor/libc/src/fuchsia/mod.rs b/bash-5.1/vendor/libc/src/fuchsia/mod.rs
index 99b7791b0a492098d1e5a8fd9093c5b9081a1caa..4a18a8daabc0c63187d9107d1eaa19abe776e0e6 100644
--- a/bash-5.1/vendor/libc/src/fuchsia/mod.rs
+++ b/bash-5.1/vendor/libc/src/fuchsia/mod.rs
@@ -877,6 +877,11 @@ s! {
         pub c_ispeed: ::speed_t,
         pub c_ospeed: ::speed_t,
     }
+
+    pub struct in6_pktinfo {
+        pub ipi6_addr: ::in6_addr,
+        pub ipi6_ifindex: ::c_uint,
+    }
 }
 
 s_no_extra_traits! {
@@ -1788,6 +1793,9 @@ pub const IPV6_MULTICAST_LOOP: ::c_int = 19;
 pub const IPV6_ADD_MEMBERSHIP: ::c_int = 20;
 pub const IPV6_DROP_MEMBERSHIP: ::c_int = 21;
 pub const IPV6_V6ONLY: ::c_int = 26;
+pub const IPV6_RECVPKTINFO: ::c_int = 49;
+pub const IPV6_RECVTCLASS: ::c_int = 66;
+pub const IPV6_TCLASS: ::c_int = 67;
 
 pub const TCP_NODELAY: ::c_int = 1;
 pub const TCP_MAXSEG: ::c_int = 2;
@@ -2669,6 +2677,9 @@ pub const PT_GNU_EH_FRAME: u32 = 0x6474e550;
 pub const PT_GNU_STACK: u32 = 0x6474e551;
 pub const PT_GNU_RELRO: u32 = 0x6474e552;
 
+// Ethernet protocol IDs.
+pub const ETH_P_IP: ::c_int = 0x0800;
+
 pub const SFD_CLOEXEC: ::c_int = 0x080000;
 
 pub const NCCS: usize = 32;
diff --git a/bash-5.1/vendor/libc/src/lib.rs b/bash-5.1/vendor/libc/src/lib.rs
index d87d0d8e1c91aa18a8a9ef455e1555d0771381dc..acda0915920255a9d1b9eed440fa512775df8b12 100644
--- a/bash-5.1/vendor/libc/src/lib.rs
+++ b/bash-5.1/vendor/libc/src/lib.rs
@@ -13,7 +13,9 @@
     improper_ctypes,
     // This lint is renamed but we run CI for old stable rustc so should be here.
     redundant_semicolon,
-    redundant_semicolons
+    redundant_semicolons,
+    unused_macros,
+    unused_macro_rules,
 )]
 #![cfg_attr(libc_deny_warnings, deny(warnings))]
 // Attributes needed when building as part of the standard library
@@ -24,11 +26,7 @@
 #![deny(missing_copy_implementations, safe_packed_borrows)]
 #![cfg_attr(not(feature = "rustc-dep-of-std"), no_std)]
 #![cfg_attr(feature = "rustc-dep-of-std", no_core)]
-#![cfg_attr(
-    feature = "rustc-dep-of-std",
-    feature(native_link_modifiers, native_link_modifiers_bundle)
-)]
-#![cfg_attr(libc_const_extern_fn, feature(const_extern_fn))]
+#![cfg_attr(libc_const_extern_fn_unstable, feature(const_extern_fn))]
 
 #[macro_use]
 mod macros;
diff --git a/bash-5.1/vendor/libc/src/macros.rs b/bash-5.1/vendor/libc/src/macros.rs
index 603fa583e5fa971470e13790a4d0a6a24e38e88a..fd473702f72bd8054d207c5b1960ab67df833411 100644
--- a/bash-5.1/vendor/libc/src/macros.rs
+++ b/bash-5.1/vendor/libc/src/macros.rs
@@ -6,7 +6,6 @@
 ///
 /// This allows you to conveniently provide a long list #[cfg]'d blocks of code
 /// without having to rewrite each clause multiple times.
-#[allow(unused_macros)]
 macro_rules! cfg_if {
     // match if/else chains with a final `else`
     ($(
@@ -62,7 +61,6 @@ macro_rules! cfg_if {
     };
 }
 
-#[allow(unused_macros, unused_macro_rules)]
 macro_rules! s {
     ($($(#[$attr:meta])* pub $t:ident $i:ident { $($field:tt)* })*) => ($(
         s!(it: $(#[$attr])* pub $t $i { $($field)* });
@@ -87,7 +85,6 @@ macro_rules! s {
     );
 }
 
-#[allow(unused_macros)]
 macro_rules! s_no_extra_traits {
     ($($(#[$attr:meta])* pub $t:ident $i:ident { $($field:tt)* })*) => ($(
         s_no_extra_traits!(it: $(#[$attr])* pub $t $i { $($field)* });
@@ -123,7 +120,6 @@ macro_rules! s_no_extra_traits {
     );
 }
 
-#[allow(unused_macros)]
 macro_rules! e {
     ($($(#[$attr:meta])* pub enum $i:ident { $($field:tt)* })*) => ($(
         __item! {
@@ -138,7 +134,6 @@ macro_rules! e {
     )*);
 }
 
-#[allow(unused_macros)]
 macro_rules! s_paren {
     ($($(#[$attr:meta])* pub struct $i:ident ( $($field:tt)* ); )* ) => ($(
         __item! {
@@ -182,7 +177,6 @@ macro_rules! s_paren {
 // 'f!' block
 cfg_if! {
     if #[cfg(libc_const_extern_fn)] {
-        #[allow(unused_macros)]
         macro_rules! f {
             ($($(#[$attr:meta])* pub $({$constness:ident})* fn $i:ident(
                         $($arg:ident: $argty:ty),*
@@ -198,7 +192,6 @@ cfg_if! {
             )*)
         }
 
-        #[allow(unused_macros)]
         macro_rules! safe_f {
             ($($(#[$attr:meta])* pub $({$constness:ident})* fn $i:ident(
                         $($arg:ident: $argty:ty),*
@@ -214,7 +207,6 @@ cfg_if! {
             )*)
         }
 
-        #[allow(unused_macros)]
         macro_rules! const_fn {
             ($($(#[$attr:meta])* $({$constness:ident})* fn $i:ident(
                         $($arg:ident: $argty:ty),*
@@ -231,7 +223,6 @@ cfg_if! {
         }
 
     } else {
-        #[allow(unused_macros)]
         macro_rules! f {
             ($($(#[$attr:meta])* pub $({$constness:ident})* fn $i:ident(
                         $($arg:ident: $argty:ty),*
@@ -247,7 +238,6 @@ cfg_if! {
             )*)
         }
 
-        #[allow(unused_macros)]
         macro_rules! safe_f {
             ($($(#[$attr:meta])* pub $({$constness:ident})* fn $i:ident(
                         $($arg:ident: $argty:ty),*
@@ -263,7 +253,6 @@ cfg_if! {
             )*)
         }
 
-        #[allow(unused_macros)]
         macro_rules! const_fn {
             ($($(#[$attr:meta])* $({$constness:ident})* fn $i:ident(
                         $($arg:ident: $argty:ty),*
@@ -281,14 +270,12 @@ cfg_if! {
     }
 }
 
-#[allow(unused_macros)]
 macro_rules! __item {
     ($i:item) => {
         $i
     };
 }
 
-#[allow(unused_macros)]
 macro_rules! align_const {
     ($($(#[$attr:meta])*
        pub const $name:ident : $t1:ty
@@ -308,7 +295,6 @@ macro_rules! align_const {
 }
 
 // This macro is used to deprecate items that should be accessed via the mach2 crate
-#[allow(unused_macros)]
 macro_rules! deprecated_mach {
     (pub const $id:ident: $ty:ty = $expr:expr;) => {
         #[deprecated(
@@ -342,7 +328,6 @@ macro_rules! deprecated_mach {
     }
 }
 
-#[allow(unused_macros)]
 #[cfg(not(libc_ptr_addr_of))]
 macro_rules! ptr_addr_of {
     ($place:expr) => {
@@ -350,7 +335,6 @@ macro_rules! ptr_addr_of {
     };
 }
 
-#[allow(unused_macros)]
 #[cfg(libc_ptr_addr_of)]
 macro_rules! ptr_addr_of {
     ($place:expr) => {
diff --git a/bash-5.1/vendor/libc/src/unix/bsd/apple/b64/aarch64/align.rs b/bash-5.1/vendor/libc/src/unix/bsd/apple/b64/aarch64/align.rs
index 131e15b69ad9454c31a68a50916dbd63d19c7d93..29db97ec7c473780180da5b7296ee8f605e4cb7b 100644
--- a/bash-5.1/vendor/libc/src/unix/bsd/apple/b64/aarch64/align.rs
+++ b/bash-5.1/vendor/libc/src/unix/bsd/apple/b64/aarch64/align.rs
@@ -15,6 +15,7 @@ s! {
         pub uc_link: *mut ::ucontext_t,
         pub uc_mcsize: usize,
         pub uc_mcontext: mcontext_t,
+        __mcontext_data: __darwin_mcontext64,
     }
 
     pub struct __darwin_mcontext64 {
diff --git a/bash-5.1/vendor/libc/src/unix/bsd/apple/mod.rs b/bash-5.1/vendor/libc/src/unix/bsd/apple/mod.rs
index bd69d8aaaf04cfe1ebb2ca0a5b3d783e0093d0d7..a831ca850f4beed42e0c157dc8a305bb33783191 100644
--- a/bash-5.1/vendor/libc/src/unix/bsd/apple/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/bsd/apple/mod.rs
@@ -53,6 +53,8 @@ pub type host_info64_t = *mut integer_t;
 pub type processor_flavor_t = ::c_int;
 pub type thread_flavor_t = natural_t;
 pub type thread_inspect_t = ::mach_port_t;
+pub type thread_act_t = ::mach_port_t;
+pub type thread_act_array_t = *mut ::thread_act_t;
 pub type policy_t = ::c_int;
 pub type mach_vm_address_t = u64;
 pub type mach_vm_offset_t = u64;
@@ -64,6 +66,9 @@ pub type memory_object_offset_t = ::c_ulonglong;
 pub type vm_inherit_t = ::c_uint;
 pub type vm_prot_t = ::c_int;
 
+pub type ledger_t = ::mach_port_t;
+pub type ledger_array_t = *mut ::ledger_t;
+
 pub type iconv_t = *mut ::c_void;
 
 pub type processor_cpu_load_info_t = *mut processor_cpu_load_info;
@@ -121,6 +126,7 @@ pub type vm_statistics64_t = *mut vm_statistics64;
 pub type vm_statistics64_data_t = vm_statistics64;
 
 pub type task_t = ::mach_port_t;
+pub type task_inspect_t = ::mach_port_t;
 
 pub type sysdir_search_path_enumeration_state = ::c_uint;
 
@@ -672,6 +678,13 @@ s! {
         pub s_addr: ::in_addr_t,
     }
 
+    // net/ndrv.h
+    pub struct sockaddr_ndrv {
+        pub snd_len: ::c_uchar,
+        pub snd_family: ::c_uchar,
+        pub snd_name: [::c_uchar; 16]      // IFNAMSIZ from if.h
+    }
+
     // sys/socket.h
 
     pub struct sa_endpoints_t {
@@ -1038,7 +1051,8 @@ s_no_extra_traits! {
         pub f_fstypename: [::c_char; 16],
         pub f_mntonname: [::c_char; 1024],
         pub f_mntfromname: [::c_char; 1024],
-        pub f_reserved: [u32; 8],
+        pub f_flags_ext: u32,
+        pub f_reserved: [u32; 7],
     }
 
     pub struct dirent {
@@ -3466,6 +3480,7 @@ pub const pseudo_AF_RTIP: ::c_int = 22;
 pub const AF_IPX: ::c_int = 23;
 pub const AF_SIP: ::c_int = 24;
 pub const pseudo_AF_PIP: ::c_int = 25;
+pub const AF_NDRV: ::c_int = 27;
 pub const AF_ISDN: ::c_int = 28;
 pub const AF_E164: ::c_int = AF_ISDN;
 pub const pseudo_AF_KEY: ::c_int = 29;
@@ -3508,6 +3523,7 @@ pub const PF_SIP: ::c_int = AF_SIP;
 pub const PF_IPX: ::c_int = AF_IPX;
 pub const PF_RTIP: ::c_int = pseudo_AF_RTIP;
 pub const PF_PIP: ::c_int = pseudo_AF_PIP;
+pub const PF_NDRV: ::c_int = AF_NDRV;
 pub const PF_ISDN: ::c_int = AF_ISDN;
 pub const PF_KEY: ::c_int = pseudo_AF_KEY;
 pub const PF_INET6: ::c_int = AF_INET6;
@@ -3552,6 +3568,7 @@ pub const IP_ADD_SOURCE_MEMBERSHIP: ::c_int = 70;
 pub const IP_DROP_SOURCE_MEMBERSHIP: ::c_int = 71;
 pub const IP_BLOCK_SOURCE: ::c_int = 72;
 pub const IP_UNBLOCK_SOURCE: ::c_int = 73;
+pub const IPV6_BOUND_IF: ::c_int = 125;
 
 pub const TCP_NOPUSH: ::c_int = 4;
 pub const TCP_NOOPT: ::c_int = 8;
@@ -4672,6 +4689,16 @@ cfg_if! {
             const __DARWIN_ALIGNBYTES32: usize = ::mem::size_of::<u32>() - 1;
             p + __DARWIN_ALIGNBYTES32 & !__DARWIN_ALIGNBYTES32
         }
+    } else {
+        fn __DARWIN_ALIGN32(p: usize) -> usize {
+            let __DARWIN_ALIGNBYTES32: usize = ::mem::size_of::<u32>() - 1;
+            p + __DARWIN_ALIGNBYTES32 & !__DARWIN_ALIGNBYTES32
+        }
+    }
+}
+
+cfg_if! {
+    if #[cfg(libc_const_size_of)] {
         pub const THREAD_EXTENDED_POLICY_COUNT: mach_msg_type_number_t =
             (::mem::size_of::<thread_extended_policy_data_t>() / ::mem::size_of::<integer_t>())
             as mach_msg_type_number_t;
@@ -4712,10 +4739,6 @@ cfg_if! {
             (::mem::size_of::<vm_statistics64_data_t>() / ::mem::size_of::<integer_t>())
             as mach_msg_type_number_t;
     } else {
-        fn __DARWIN_ALIGN32(p: usize) -> usize {
-            let __DARWIN_ALIGNBYTES32: usize = ::mem::size_of::<u32>() - 1;
-            p + __DARWIN_ALIGNBYTES32 & !__DARWIN_ALIGNBYTES32
-        }
         pub const THREAD_EXTENDED_POLICY_COUNT: mach_msg_type_number_t = 1;
         pub const THREAD_TIME_CONSTRAINT_POLICY_COUNT: mach_msg_type_number_t = 4;
         pub const THREAD_PRECEDENCE_POLICY_COUNT: mach_msg_type_number_t = 1;
@@ -5004,6 +5027,8 @@ extern "C" {
         thread_info_out: thread_info_t,
         thread_info_outCnt: *mut mach_msg_type_number_t,
     ) -> kern_return_t;
+    #[cfg_attr(doc, doc(alias = "__errno_location"))]
+    #[cfg_attr(doc, doc(alias = "errno"))]
     pub fn __error() -> *mut ::c_int;
     pub fn backtrace(buf: *mut *mut ::c_void, sz: ::c_int) -> ::c_int;
     pub fn backtrace_symbols(addrs: *const *mut ::c_void, sz: ::c_int) -> *mut *mut ::c_char;
@@ -5480,6 +5505,19 @@ extern "C" {
         task_info_out: task_info_t,
         task_info_count: *mut mach_msg_type_number_t,
     ) -> ::kern_return_t;
+    pub fn task_create(
+        target_task: ::task_t,
+        ledgers: ::ledger_array_t,
+        ledgersCnt: ::mach_msg_type_number_t,
+        inherit_memory: ::boolean_t,
+        child_task: *mut ::task_t,
+    ) -> ::kern_return_t;
+    pub fn task_terminate(target_task: ::task_t) -> ::kern_return_t;
+    pub fn task_threads(
+        target_task: ::task_inspect_t,
+        act_list: *mut ::thread_act_array_t,
+        act_listCnt: *mut ::mach_msg_type_number_t,
+    ) -> ::kern_return_t;
     pub fn host_statistics(
         host_priv: host_t,
         flavor: host_flavor_t,
@@ -5508,12 +5546,23 @@ cfg_if! {
     if #[cfg(target_os = "macos")] {
         extern "C" {
             pub fn clock_settime(clock_id: ::clockid_t, tp: *const ::timespec) -> ::c_int;
+        }
+    }
+}
+cfg_if! {
+    if #[cfg(any(target_os = "macos", target_os = "ios"))] {
+        extern "C" {
             pub fn memmem(
                 haystack: *const ::c_void,
                 haystacklen: ::size_t,
                 needle: *const ::c_void,
                 needlelen: ::size_t,
             ) -> *mut ::c_void;
+            pub fn task_set_info(target_task: ::task_t,
+                                 flavor: ::task_flavor_t,
+                                 task_info_in: ::task_info_t,
+                                 task_info_inCnt: ::mach_msg_type_number_t
+            ) -> ::kern_return_t;
         }
     }
 }
diff --git a/bash-5.1/vendor/libc/src/unix/bsd/freebsdlike/dragonfly/mod.rs b/bash-5.1/vendor/libc/src/unix/bsd/freebsdlike/dragonfly/mod.rs
index d56362816a275b1d3435834394aa3d7bb64ffb7f..df7719b4b9c698cfd93434304840a598d3e1f734 100644
--- a/bash-5.1/vendor/libc/src/unix/bsd/freebsdlike/dragonfly/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/bsd/freebsdlike/dragonfly/mod.rs
@@ -34,6 +34,17 @@ pub type pthread_spinlock_t = ::uintptr_t;
 
 pub type segsz_t = usize;
 
+pub type vm_prot_t = u8;
+pub type vm_maptype_t = u8;
+pub type vm_inherit_t = i8;
+pub type vm_subsys_t = ::c_int;
+pub type vm_eflags_t = ::c_uint;
+
+pub type vm_map_t = *mut __c_anonymous_vm_map;
+pub type vm_map_entry_t = *mut vm_map_entry;
+
+pub type pmap = __c_anonymous_pmap;
+
 #[cfg_attr(feature = "extra_traits", derive(Debug))]
 pub enum sem {}
 impl ::Copy for sem {}
@@ -336,6 +347,50 @@ s! {
         kp_spare: [::c_int; 2],
     }
 
+    pub struct __c_anonymous_vm_map {
+        _priv: [::uintptr_t; 36],
+    }
+
+    pub struct vm_map_entry {
+        _priv: [::uintptr_t; 15],
+        pub eflags: ::vm_eflags_t,
+        pub maptype: ::vm_maptype_t,
+        pub protection: ::vm_prot_t,
+        pub max_protection: ::vm_prot_t,
+        pub inheritance: ::vm_inherit_t,
+        pub wired_count: ::c_int,
+        pub id: ::vm_subsys_t,
+    }
+
+    pub struct __c_anonymous_pmap {
+        _priv1: [::uintptr_t; 32],
+        _priv2: [::uintptr_t; 32],
+        _priv3: [::uintptr_t; 32],
+        _priv4: [::uintptr_t; 32],
+        _priv5: [::uintptr_t; 8],
+    }
+
+    pub struct vmspace {
+        vm_map: __c_anonymous_vm_map,
+        vm_pmap: __c_anonymous_pmap,
+        pub vm_flags: ::c_int,
+        pub vm_shm: *mut ::c_char,
+        pub vm_rssize: ::segsz_t,
+        pub vm_swrss: ::segsz_t,
+        pub vm_tsize: ::segsz_t,
+        pub vm_dsize: ::segsz_t,
+        pub vm_ssize: ::segsz_t,
+        pub vm_taddr: *mut ::c_char,
+        pub vm_daddr: *mut ::c_char,
+        pub vm_maxsaddr: *mut ::c_char,
+        pub vm_minsaddr: *mut ::c_char,
+        _unused1: ::c_int,
+        _unused2: ::c_int,
+        pub vm_pagesupply: ::c_int,
+        pub vm_holdcnt: ::c_uint,
+        pub vm_refcnt: ::c_uint,
+    }
+
     pub struct cpuctl_msr_args_t {
         pub msr: ::c_int,
         pub data: u64,
@@ -1613,6 +1668,20 @@ extern "C" {
     pub fn freezero(ptr: *mut ::c_void, size: ::size_t);
 }
 
+#[link(name = "kvm")]
+extern "C" {
+    pub fn kvm_vm_map_entry_first(
+        kvm: *mut ::kvm_t,
+        map: vm_map_t,
+        entry: vm_map_entry_t,
+    ) -> vm_map_entry_t;
+    pub fn kvm_vm_map_entry_next(
+        kvm: *mut ::kvm_t,
+        map: vm_map_entry_t,
+        entry: vm_map_entry_t,
+    ) -> vm_map_entry_t;
+}
+
 cfg_if! {
     if #[cfg(libc_thread_local)] {
         mod errno;
diff --git a/bash-5.1/vendor/libc/src/unix/bsd/freebsdlike/freebsd/mod.rs b/bash-5.1/vendor/libc/src/unix/bsd/freebsdlike/freebsd/mod.rs
index 8d27d88605e5aef872efa2ceee1edfc8db22b2b7..84e43b23e522912a710ab032f5b7f4ba51b9f4ef 100644
--- a/bash-5.1/vendor/libc/src/unix/bsd/freebsdlike/freebsd/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/bsd/freebsdlike/freebsd/mod.rs
@@ -44,10 +44,6 @@ pub type fhandle_t = fhandle;
 pub type au_id_t = ::uid_t;
 pub type au_asid_t = ::pid_t;
 
-// It's an alias over "struct __kvm_t". However, its fields aren't supposed to be used directly,
-// making the type definition system dependent. Better not bind it exactly.
-pub type kvm_t = ::c_void;
-
 #[cfg_attr(feature = "extra_traits", derive(Debug, Hash, PartialEq, Eq))]
 #[repr(u32)]
 pub enum devstat_support_flags {
@@ -3661,6 +3657,19 @@ pub const CPUCLOCK_WHICH_TID: ::c_int = 1;
 pub const MFD_CLOEXEC: ::c_uint = 0x00000001;
 pub const MFD_ALLOW_SEALING: ::c_uint = 0x00000002;
 pub const MFD_HUGETLB: ::c_uint = 0x00000004;
+pub const MFD_HUGE_MASK: ::c_uint = 0xFC000000;
+pub const MFD_HUGE_64KB: ::c_uint = 16 << 26;
+pub const MFD_HUGE_512KB: ::c_uint = 19 << 26;
+pub const MFD_HUGE_1MB: ::c_uint = 20 << 26;
+pub const MFD_HUGE_2MB: ::c_uint = 21 << 26;
+pub const MFD_HUGE_8MB: ::c_uint = 23 << 26;
+pub const MFD_HUGE_16MB: ::c_uint = 24 << 26;
+pub const MFD_HUGE_32MB: ::c_uint = 25 << 26;
+pub const MFD_HUGE_256MB: ::c_uint = 28 << 26;
+pub const MFD_HUGE_512MB: ::c_uint = 29 << 26;
+pub const MFD_HUGE_1GB: ::c_uint = 30 << 26;
+pub const MFD_HUGE_2GB: ::c_uint = 31 << 26;
+pub const MFD_HUGE_16GB: ::c_uint = 34 << 26;
 
 pub const SHM_LARGEPAGE_ALLOC_DEFAULT: ::c_int = 0;
 pub const SHM_LARGEPAGE_ALLOC_NOWAIT: ::c_int = 1;
@@ -3772,21 +3781,21 @@ f! {
     }
 
     pub fn CPU_SET(cpu: usize, cpuset: &mut cpuset_t) -> () {
-        let bitset_bits = ::mem::size_of::<::c_long>();
+        let bitset_bits = 8 * ::mem::size_of::<::c_long>();
         let (idx, offset) = (cpu / bitset_bits, cpu % bitset_bits);
         cpuset.__bits[idx] |= 1 << offset;
         ()
     }
 
     pub fn CPU_CLR(cpu: usize, cpuset: &mut cpuset_t) -> () {
-        let bitset_bits = ::mem::size_of::<::c_long>();
+        let bitset_bits = 8 * ::mem::size_of::<::c_long>();
         let (idx, offset) = (cpu / bitset_bits, cpu % bitset_bits);
         cpuset.__bits[idx] &= !(1 << offset);
         ()
     }
 
     pub fn CPU_ISSET(cpu: usize, cpuset: &cpuset_t) -> bool {
-        let bitset_bits = ::mem::size_of::<::c_long>();
+        let bitset_bits = 8 * ::mem::size_of::<::c_long>();
         let (idx, offset) = (cpu / bitset_bits, cpu % bitset_bits);
         0 != cpuset.__bits[idx] & (1 << offset)
     }
@@ -3794,9 +3803,9 @@ f! {
     pub fn CPU_COUNT(cpuset: &cpuset_t) -> ::c_int {
         let mut s: u32 = 0;
         let cpuset_size = ::mem::size_of::<cpuset_t>();
-        let bitset_bits = ::mem::size_of::<::c_long>();
+        let bitset_size = ::mem::size_of::<::c_long>();
 
-        for i in cpuset.__bits[..(cpuset_size / bitset_bits)].iter() {
+        for i in cpuset.__bits[..(cpuset_size / bitset_size)].iter() {
             s += i.count_ones();
         };
         s as ::c_int
@@ -3839,6 +3848,8 @@ cfg_if! {
 }
 
 extern "C" {
+    #[cfg_attr(doc, doc(alias = "__errno_location"))]
+    #[cfg_attr(doc, doc(alias = "errno"))]
     pub fn __error() -> *mut ::c_int;
 
     pub fn aio_cancel(fd: ::c_int, aiocbp: *mut aiocb) -> ::c_int;
@@ -4272,71 +4283,39 @@ extern "C" {
 
 #[link(name = "kvm")]
 extern "C" {
-    pub fn kvm_open(
-        execfile: *const ::c_char,
-        corefile: *const ::c_char,
-        swapfile: *const ::c_char,
-        flags: ::c_int,
-        errstr: *const ::c_char,
-    ) -> *mut kvm_t;
-    pub fn kvm_close(kd: *mut kvm_t) -> ::c_int;
-    pub fn kvm_dpcpu_setcpu(kd: *mut kvm_t, cpu: ::c_uint) -> ::c_int;
-    pub fn kvm_getargv(kd: *mut kvm_t, p: *const kinfo_proc, nchr: ::c_int) -> *mut *mut ::c_char;
-    pub fn kvm_getcptime(kd: *mut kvm_t, cp_time: *mut ::c_long) -> ::c_int;
-    pub fn kvm_getenvv(kd: *mut kvm_t, p: *const kinfo_proc, nchr: ::c_int) -> *mut *mut ::c_char;
-    pub fn kvm_geterr(kd: *mut kvm_t) -> *mut ::c_char;
-    pub fn kvm_getloadavg(kd: *mut kvm_t, loadavg: *mut ::c_double, nelem: ::c_int) -> ::c_int;
-    pub fn kvm_getmaxcpu(kd: *mut kvm_t) -> ::c_int;
-    pub fn kvm_getncpus(kd: *mut kvm_t) -> ::c_int;
-    pub fn kvm_getpcpu(kd: *mut kvm_t, cpu: ::c_int) -> *mut ::c_void;
-    pub fn kvm_counter_u64_fetch(kd: *mut kvm_t, base: ::c_ulong) -> u64;
-    pub fn kvm_getprocs(
-        kd: *mut kvm_t,
-        op: ::c_int,
-        arg: ::c_int,
-        cnt: *mut ::c_int,
-    ) -> *mut kinfo_proc;
+    pub fn kvm_dpcpu_setcpu(kd: *mut ::kvm_t, cpu: ::c_uint) -> ::c_int;
+    pub fn kvm_getargv(kd: *mut ::kvm_t, p: *const kinfo_proc, nchr: ::c_int)
+        -> *mut *mut ::c_char;
+    pub fn kvm_getcptime(kd: *mut ::kvm_t, cp_time: *mut ::c_long) -> ::c_int;
+    pub fn kvm_getenvv(kd: *mut ::kvm_t, p: *const kinfo_proc, nchr: ::c_int)
+        -> *mut *mut ::c_char;
+    pub fn kvm_geterr(kd: *mut ::kvm_t) -> *mut ::c_char;
+    pub fn kvm_getmaxcpu(kd: *mut ::kvm_t) -> ::c_int;
+    pub fn kvm_getncpus(kd: *mut ::kvm_t) -> ::c_int;
+    pub fn kvm_getpcpu(kd: *mut ::kvm_t, cpu: ::c_int) -> *mut ::c_void;
+    pub fn kvm_counter_u64_fetch(kd: *mut ::kvm_t, base: ::c_ulong) -> u64;
     pub fn kvm_getswapinfo(
-        kd: *mut kvm_t,
+        kd: *mut ::kvm_t,
         info: *mut kvm_swap,
         maxswap: ::c_int,
         flags: ::c_int,
     ) -> ::c_int;
-    pub fn kvm_native(kd: *mut kvm_t) -> ::c_int;
-    pub fn kvm_nlist(kd: *mut kvm_t, nl: *mut nlist) -> ::c_int;
-    pub fn kvm_nlist2(kd: *mut kvm_t, nl: *mut kvm_nlist) -> ::c_int;
-    pub fn kvm_openfiles(
-        execfile: *const ::c_char,
-        corefile: *const ::c_char,
-        swapfile: *const ::c_char,
-        flags: ::c_int,
-        errbuf: *mut ::c_char,
-    ) -> *mut kvm_t;
-    pub fn kvm_read(
-        kd: *mut kvm_t,
-        addr: ::c_ulong,
-        buf: *mut ::c_void,
-        nbytes: ::size_t,
-    ) -> ::ssize_t;
+    pub fn kvm_native(kd: *mut ::kvm_t) -> ::c_int;
+    pub fn kvm_nlist(kd: *mut ::kvm_t, nl: *mut nlist) -> ::c_int;
+    pub fn kvm_nlist2(kd: *mut ::kvm_t, nl: *mut kvm_nlist) -> ::c_int;
     pub fn kvm_read_zpcpu(
-        kd: *mut kvm_t,
+        kd: *mut ::kvm_t,
         base: ::c_ulong,
         buf: *mut ::c_void,
         size: ::size_t,
         cpu: ::c_int,
     ) -> ::ssize_t;
     pub fn kvm_read2(
-        kd: *mut kvm_t,
+        kd: *mut ::kvm_t,
         addr: kvaddr_t,
         buf: *mut ::c_void,
         nbytes: ::size_t,
     ) -> ::ssize_t;
-    pub fn kvm_write(
-        kd: *mut kvm_t,
-        addr: ::c_ulong,
-        buf: *const ::c_void,
-        nbytes: ::size_t,
-    ) -> ::ssize_t;
 }
 
 #[link(name = "util")]
@@ -4486,10 +4465,10 @@ extern "C" {
 
 #[link(name = "devstat")]
 extern "C" {
-    pub fn devstat_getnumdevs(kd: *mut kvm_t) -> ::c_int;
-    pub fn devstat_getgeneration(kd: *mut kvm_t) -> ::c_long;
-    pub fn devstat_getversion(kd: *mut kvm_t) -> ::c_int;
-    pub fn devstat_checkversion(kd: *mut kvm_t) -> ::c_int;
+    pub fn devstat_getnumdevs(kd: *mut ::kvm_t) -> ::c_int;
+    pub fn devstat_getgeneration(kd: *mut ::kvm_t) -> ::c_long;
+    pub fn devstat_getversion(kd: *mut ::kvm_t) -> ::c_int;
+    pub fn devstat_checkversion(kd: *mut ::kvm_t) -> ::c_int;
     pub fn devstat_selectdevs(
         dev_select: *mut *mut device_selection,
         num_selected: *mut ::c_int,
diff --git a/bash-5.1/vendor/libc/src/unix/bsd/freebsdlike/mod.rs b/bash-5.1/vendor/libc/src/unix/bsd/freebsdlike/mod.rs
index b9d29d8251bf68223987d02e89c7bc0d493efe32..b314b68568c84d54d19d98fc2fd23c014abae994 100644
--- a/bash-5.1/vendor/libc/src/unix/bsd/freebsdlike/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/bsd/freebsdlike/mod.rs
@@ -35,6 +35,10 @@ pub type Elf64_Xword = u64;
 
 pub type iconv_t = *mut ::c_void;
 
+// It's an alias over "struct __kvm_t". However, its fields aren't supposed to be used directly,
+// making the type definition system dependent. Better not bind it exactly.
+pub type kvm_t = ::c_void;
+
 cfg_if! {
     if #[cfg(target_pointer_width = "64")] {
         type Elf_Addr = Elf64_Addr;
@@ -1790,6 +1794,44 @@ extern "C" {
     ) -> ::c_int;
 }
 
+#[link(name = "kvm")]
+extern "C" {
+    pub fn kvm_open(
+        execfile: *const ::c_char,
+        corefile: *const ::c_char,
+        swapfile: *const ::c_char,
+        flags: ::c_int,
+        errstr: *const ::c_char,
+    ) -> *mut ::kvm_t;
+    pub fn kvm_close(kd: *mut ::kvm_t) -> ::c_int;
+    pub fn kvm_getprocs(
+        kd: *mut ::kvm_t,
+        op: ::c_int,
+        arg: ::c_int,
+        cnt: *mut ::c_int,
+    ) -> *mut ::kinfo_proc;
+    pub fn kvm_getloadavg(kd: *mut kvm_t, loadavg: *mut ::c_double, nelem: ::c_int) -> ::c_int;
+    pub fn kvm_openfiles(
+        execfile: *const ::c_char,
+        corefile: *const ::c_char,
+        swapfile: *const ::c_char,
+        flags: ::c_int,
+        errbuf: *mut ::c_char,
+    ) -> *mut ::kvm_t;
+    pub fn kvm_read(
+        kd: *mut ::kvm_t,
+        addr: ::c_ulong,
+        buf: *mut ::c_void,
+        nbytes: ::size_t,
+    ) -> ::ssize_t;
+    pub fn kvm_write(
+        kd: *mut ::kvm_t,
+        addr: ::c_ulong,
+        buf: *const ::c_void,
+        nbytes: ::size_t,
+    ) -> ::ssize_t;
+}
+
 cfg_if! {
     if #[cfg(target_os = "freebsd")] {
         mod freebsd;
diff --git a/bash-5.1/vendor/libc/src/unix/bsd/mod.rs b/bash-5.1/vendor/libc/src/unix/bsd/mod.rs
index 8ebca0930107a789f6daa5119000c98018511e42..20e203bde37b04c4eb37432e31ee06ab653414ce 100644
--- a/bash-5.1/vendor/libc/src/unix/bsd/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/bsd/mod.rs
@@ -449,6 +449,12 @@ pub const TCP_MAXSEG: ::c_int = 2;
 
 pub const PIPE_BUF: usize = 512;
 
+// si_code values for SIGBUS signal
+pub const BUS_ADRALN: ::c_int = 1;
+pub const BUS_ADRERR: ::c_int = 2;
+pub const BUS_OBJERR: ::c_int = 3;
+
+// si_code values for SIGCHLD signal
 pub const CLD_EXITED: ::c_int = 1;
 pub const CLD_KILLED: ::c_int = 2;
 pub const CLD_DUMPED: ::c_int = 3;
diff --git a/bash-5.1/vendor/libc/src/unix/bsd/netbsdlike/mod.rs b/bash-5.1/vendor/libc/src/unix/bsd/netbsdlike/mod.rs
index d7d40bd97a69838c65ec74b6ad4ecc1cb2a9eb91..a7f35ef8597300cbf14f5893e86812cc0301efec 100644
--- a/bash-5.1/vendor/libc/src/unix/bsd/netbsdlike/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/bsd/netbsdlike/mod.rs
@@ -639,17 +639,6 @@ pub const TIOCM_DSR: ::c_int = 0o0400;
 pub const TIOCM_CD: ::c_int = TIOCM_CAR;
 pub const TIOCM_RI: ::c_int = TIOCM_RNG;
 
-// Flags for chflags(2)
-pub const UF_SETTABLE: ::c_ulong = 0x0000ffff;
-pub const UF_NODUMP: ::c_ulong = 0x00000001;
-pub const UF_IMMUTABLE: ::c_ulong = 0x00000002;
-pub const UF_APPEND: ::c_ulong = 0x00000004;
-pub const UF_OPAQUE: ::c_ulong = 0x00000008;
-pub const SF_SETTABLE: ::c_ulong = 0xffff0000;
-pub const SF_ARCHIVED: ::c_ulong = 0x00010000;
-pub const SF_IMMUTABLE: ::c_ulong = 0x00020000;
-pub const SF_APPEND: ::c_ulong = 0x00040000;
-
 pub const TIMER_ABSTIME: ::c_int = 1;
 
 #[link(name = "util")]
diff --git a/bash-5.1/vendor/libc/src/unix/bsd/netbsdlike/netbsd/mod.rs b/bash-5.1/vendor/libc/src/unix/bsd/netbsdlike/netbsd/mod.rs
index 0afff1cd312e1d42962091758dc0725c024fddbf..d12fd073019bee7fb4898686e42339c9500894f9 100644
--- a/bash-5.1/vendor/libc/src/unix/bsd/netbsdlike/netbsd/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/bsd/netbsdlike/netbsd/mod.rs
@@ -487,6 +487,134 @@ s! {
         af_arg: [[::c_char; 10]; 24],
     }
 
+    pub struct ki_sigset_t {
+        pub __bits: [u32; 4],
+    }
+
+    pub struct kinfo_proc2 {
+        pub p_forw: u64,
+        pub p_back: u64,
+        pub p_paddr: u64,
+        pub p_addr: u64,
+        pub p_fd: u64,
+        pub p_cwdi: u64,
+        pub p_stats: u64,
+        pub p_limit: u64,
+        pub p_vmspace: u64,
+        pub p_sigacts: u64,
+        pub p_sess: u64,
+        pub p_tsess: u64,
+        pub p_ru: u64,
+        pub p_eflag: i32,
+        pub p_exitsig: i32,
+        pub p_flag: i32,
+        pub p_pid: i32,
+        pub p_ppid: i32,
+        pub p_sid: i32,
+        pub p__pgid: i32,
+        pub p_tpgid: i32,
+        pub p_uid: u32,
+        pub p_ruid: u32,
+        pub p_gid: u32,
+        pub p_rgid: u32,
+        pub p_groups: [u32; KI_NGROUPS as usize],
+        pub p_ngroups: i16,
+        pub p_jobc: i16,
+        pub p_tdev: u32,
+        pub p_estcpu: u32,
+        pub p_rtime_sec: u32,
+        pub p_rtime_usec: u32,
+        pub p_cpticks: i32,
+        pub p_pctcpu: u32,
+        pub p_swtime: u32,
+        pub p_slptime: u32,
+        pub p_schedflags: i32,
+        pub p_uticks: u64,
+        pub p_sticks: u64,
+        pub p_iticks: u64,
+        pub p_tracep: u64,
+        pub p_traceflag: i32,
+        pub p_holdcnt: i32,
+        pub p_siglist: ki_sigset_t,
+        pub p_sigmask: ki_sigset_t,
+        pub p_sigignore: ki_sigset_t,
+        pub p_sigcatch: ki_sigset_t,
+        pub p_stat: i8,
+        pub p_priority: u8,
+        pub p_usrpri: u8,
+        pub p_nice: u8,
+        pub p_xstat: u16,
+        pub p_acflag: u16,
+        pub p_comm: [::c_char; KI_MAXCOMLEN as usize],
+        pub p_wmesg: [::c_char; KI_WMESGLEN as usize],
+        pub p_wchan: u64,
+        pub p_login: [::c_char; KI_MAXLOGNAME as usize],
+        pub p_vm_rssize: i32,
+        pub p_vm_tsize: i32,
+        pub p_vm_dsize: i32,
+        pub p_vm_ssize: i32,
+        pub p_uvalid: i64,
+        pub p_ustart_sec: u32,
+        pub p_ustart_usec: u32,
+        pub p_uutime_sec: u32,
+        pub p_uutime_usec: u32,
+        pub p_ustime_sec: u32,
+        pub p_ustime_usec: u32,
+        pub p_uru_maxrss: u64,
+        pub p_uru_ixrss: u64,
+        pub p_uru_idrss: u64,
+        pub p_uru_isrss: u64,
+        pub p_uru_minflt: u64,
+        pub p_uru_majflt: u64,
+        pub p_uru_nswap: u64,
+        pub p_uru_inblock: u64,
+        pub p_uru_oublock: u64,
+        pub p_uru_msgsnd: u64,
+        pub p_uru_msgrcv: u64,
+        pub p_uru_nsignals: u64,
+        pub p_uru_nvcsw: u64,
+        pub p_uru_nivcsw: u64,
+        pub p_uctime_sec: u32,
+        pub p_uctime_usec: u32,
+        pub p_cpuid: u64,
+        pub p_realflag: u64,
+        pub p_nlwps: u64,
+        pub p_nrlwps: u64,
+        pub p_realstat: u64,
+        pub p_svuid: u32,
+        pub p_svgid: u32,
+        pub p_ename: [::c_char; KI_MAXEMULLEN as usize],
+        pub p_vm_vsize: i64,
+        pub p_vm_msize: i64,
+    }
+
+    pub struct kinfo_lwp {
+        pub l_forw: u64,
+        pub l_back: u64,
+        pub l_laddr: u64,
+        pub l_addr: u64,
+        pub l_lid: i32,
+        pub l_flag: i32,
+        pub l_swtime: u32,
+        pub l_slptime: u32,
+        pub l_schedflags: i32,
+        pub l_holdcnt: i32,
+        pub l_priority: u8,
+        pub l_usrpri: u8,
+        pub l_stat: i8,
+        l_pad1: i8,
+        l_pad2: i32,
+        pub l_wmesg: [::c_char; KI_WMESGLEN as usize],
+        pub l_wchan: u64,
+        pub l_cpuid: u64,
+        pub l_rtime_sec: u32,
+        pub l_rtime_usec: u32,
+        pub l_cpticks: u32,
+        pub l_pctcpu: u32,
+        pub l_pid: u32,
+        pub l_name: [::c_char; KI_LNAMELEN as usize],
+    }
+
     pub struct kinfo_vmentry {
         pub kve_start: u64,
         pub kve_end: u64,
@@ -1440,10 +1568,7 @@ pub const IPPROTO_VRRP: ::c_int = 112;
 /// Common Address Resolution Protocol
 pub const IPPROTO_CARP: ::c_int = 112;
 /// L2TPv3
-// TEMP: Disabled for now; this constant was added to NetBSD on 2017-02-16,
-// but isn't yet supported by the NetBSD rumprun kernel image used for
-// libc testing.
-//pub const IPPROTO_L2TP: ::c_int = 115;
+pub const IPPROTO_L2TP: ::c_int = 115;
 /// SCTP
 pub const IPPROTO_SCTP: ::c_int = 132;
 /// PFSYNC
@@ -2103,9 +2228,18 @@ pub const POSIX_SPAWN_SETSIGMASK: ::c_int = 0x20;
 pub const POSIX_SPAWN_RETURNERROR: ::c_int = 0x40;
 
 // Flags for chflags(2)
-pub const SF_SNAPSHOT: ::c_ulong = 0x00200000;
+pub const SF_APPEND: ::c_ulong = 0x00040000;
+pub const SF_ARCHIVED: ::c_ulong = 0x00010000;
+pub const SF_IMMUTABLE: ::c_ulong = 0x00020000;
 pub const SF_LOG: ::c_ulong = 0x00400000;
+pub const SF_SETTABLE: ::c_ulong = 0xffff0000;
 pub const SF_SNAPINVAL: ::c_ulong = 0x00800000;
+pub const SF_SNAPSHOT: ::c_ulong = 0x00200000;
+pub const UF_APPEND: ::c_ulong = 0x00000004;
+pub const UF_IMMUTABLE: ::c_ulong = 0x00000002;
+pub const UF_NODUMP: ::c_ulong = 0x00000001;
+pub const UF_OPAQUE: ::c_ulong = 0x00000008;
+pub const UF_SETTABLE: ::c_ulong = 0x0000ffff;
 
 // sys/sysctl.h
 pub const KVME_PROT_READ: ::c_int = 0x00000001;
@@ -2121,6 +2255,22 @@ pub const KVME_FLAG_GROWS_DOWN: ::c_int = 0x000000020;
 
 pub const NGROUPS_MAX: ::c_int = 16;
 
+pub const KI_NGROUPS: ::c_int = 16;
+pub const KI_MAXCOMLEN: ::c_int = 24;
+pub const KI_WMESGLEN: ::c_int = 8;
+pub const KI_MAXLOGNAME: ::c_int = 24;
+pub const KI_MAXEMULLEN: ::c_int = 16;
+pub const KI_LNAMELEN: ::c_int = 20;
+
+// sys/lwp.h
+pub const LSIDL: ::c_int = 1;
+pub const LSRUN: ::c_int = 2;
+pub const LSSLEEP: ::c_int = 3;
+pub const LSSTOP: ::c_int = 4;
+pub const LSZOMB: ::c_int = 5;
+pub const LSONPROC: ::c_int = 7;
+pub const LSSUSPENDED: ::c_int = 8;
+
 const_fn! {
     {const} fn _ALIGN(p: usize) -> usize {
         (p + _ALIGNBYTES) & !_ALIGNBYTES
diff --git a/bash-5.1/vendor/libc/src/unix/bsd/netbsdlike/openbsd/mod.rs b/bash-5.1/vendor/libc/src/unix/bsd/netbsdlike/openbsd/mod.rs
index 199473dd6b02b8013bac8b6ab93007c8777debf0..1910f24a46bf6a1dadfe1b06e06160ab7fbaf3f8 100644
--- a/bash-5.1/vendor/libc/src/unix/bsd/netbsdlike/openbsd/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/bsd/netbsdlike/openbsd/mod.rs
@@ -1628,6 +1628,17 @@ pub const EPROC_SLEADER: i32 = 0x02; // session leader
 pub const EPROC_UNVEIL: i32 = 0x04; // has unveil settings
 pub const EPROC_LKUNVEIL: i32 = 0x08; // unveil is locked
 
+// Flags for chflags(2)
+pub const UF_SETTABLE: ::c_uint = 0x0000ffff;
+pub const UF_NODUMP: ::c_uint = 0x00000001;
+pub const UF_IMMUTABLE: ::c_uint = 0x00000002;
+pub const UF_APPEND: ::c_uint = 0x00000004;
+pub const UF_OPAQUE: ::c_uint = 0x00000008;
+pub const SF_SETTABLE: ::c_uint = 0xffff0000;
+pub const SF_ARCHIVED: ::c_uint = 0x00010000;
+pub const SF_IMMUTABLE: ::c_uint = 0x00020000;
+pub const SF_APPEND: ::c_uint = 0x00040000;
+
 const_fn! {
     {const} fn _ALIGN(p: usize) -> usize {
         (p + _ALIGNBYTES) & !_ALIGNBYTES
diff --git a/bash-5.1/vendor/libc/src/unix/haiku/mod.rs b/bash-5.1/vendor/libc/src/unix/haiku/mod.rs
index ab1df724c0e1374eda7bf28ecd75055d14d6cf1a..bb2e0351bf2cbf1c0a91f3c3217b34c6c6f56e62 100644
--- a/bash-5.1/vendor/libc/src/unix/haiku/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/haiku/mod.rs
@@ -52,6 +52,9 @@ pub type Elf64_Xword = u64;
 pub type ENTRY = entry;
 pub type ACTION = ::c_int;
 
+pub type posix_spawnattr_t = *mut ::c_void;
+pub type posix_spawn_file_actions_t = *mut ::c_void;
+
 #[cfg_attr(feature = "extra_traits", derive(Debug))]
 pub enum timezone {}
 impl ::Copy for timezone {}
@@ -1051,6 +1054,7 @@ pub const LOCK_EX: ::c_int = 0x02;
 pub const LOCK_NB: ::c_int = 0x04;
 pub const LOCK_UN: ::c_int = 0x08;
 
+pub const MINSIGSTKSZ: ::size_t = 8192;
 pub const SIGSTKSZ: ::size_t = 16384;
 
 pub const IOV_MAX: ::c_int = 1024;
@@ -1067,6 +1071,9 @@ pub const SA_NOMASK: ::c_int = SA_NODEFER;
 pub const SA_STACK: ::c_int = SA_ONSTACK;
 pub const SA_ONESHOT: ::c_int = SA_RESETHAND;
 
+pub const SS_ONSTACK: ::c_int = 0x1;
+pub const SS_DISABLE: ::c_int = 0x2;
+
 pub const FD_SETSIZE: usize = 1024;
 
 pub const RTLD_LOCAL: ::c_int = 0x0;
@@ -1225,6 +1232,8 @@ pub const SO_PEERCRED: ::c_int = 0x4000000b;
 
 pub const SCM_RIGHTS: ::c_int = 0x01;
 
+pub const SOMAXCONN: ::c_int = 32;
+
 pub const NI_MAXHOST: ::size_t = 1025;
 
 pub const WNOHANG: ::c_int = 0x01;
@@ -1234,6 +1243,12 @@ pub const WEXITED: ::c_int = 0x08;
 pub const WSTOPPED: ::c_int = 0x10;
 pub const WNOWAIT: ::c_int = 0x20;
 
+// si_code values for SIGBUS signal
+pub const BUS_ADRALN: ::c_int = 40;
+pub const BUS_ADRERR: ::c_int = 41;
+pub const BUS_OBJERR: ::c_int = 42;
+
+// si_code values for SIGCHLD signal
 pub const CLD_EXITED: ::c_int = 60;
 pub const CLD_KILLED: ::c_int = 61;
 pub const CLD_DUMPED: ::c_int = 62;
@@ -1432,6 +1447,13 @@ pub const LOG_SERIAL: ::c_int = 16 << 12;
 pub const LOG_PERROR: ::c_int = 32 << 12;
 pub const LOG_NOWAIT: ::c_int = 64 << 12;
 
+// spawn.h
+pub const POSIX_SPAWN_RESETIDS: ::c_int = 0x01;
+pub const POSIX_SPAWN_SETPGROUP: ::c_int = 0x02;
+pub const POSIX_SPAWN_SETSIGDEF: ::c_int = 0x10;
+pub const POSIX_SPAWN_SETSIGMASK: ::c_int = 0x20;
+pub const POSIX_SPAWN_SETSID: ::c_int = 0x40;
+
 const_fn! {
     {const} fn CMSG_ALIGN(len: usize) -> usize {
         len + ::mem::size_of::<usize>() - 1 & !(::mem::size_of::<usize>() - 1)
@@ -1768,8 +1790,6 @@ extern "C" {
     pub fn endgrent();
     pub fn getgrent() -> *mut ::group;
     pub fn setgrent();
-    pub fn setreuid(ruid: ::uid_t, euid: ::uid_t) -> ::c_int;
-    pub fn setregid(rgid: ::gid_t, egid: ::gid_t) -> ::c_int;
     pub fn sigwait(set: *const sigset_t, sig: *mut ::c_int) -> ::c_int;
     pub fn pthread_atfork(
         prepare: ::Option<unsafe extern "C" fn()>,
@@ -1884,6 +1904,74 @@ extern "C" {
 
     pub fn brk(addr: *mut ::c_void) -> ::c_int;
     pub fn sbrk(increment: ::intptr_t) -> *mut ::c_void;
+
+    pub fn posix_spawn(
+        pid: *mut ::pid_t,
+        path: *const ::c_char,
+        file_actions: *const ::posix_spawn_file_actions_t,
+        attrp: *const ::posix_spawnattr_t,
+        argv: *const *mut ::c_char,
+        envp: *const *mut ::c_char,
+    ) -> ::c_int;
+    pub fn posix_spawnp(
+        pid: *mut ::pid_t,
+        file: *const ::c_char,
+        file_actions: *const ::posix_spawn_file_actions_t,
+        attrp: *const ::posix_spawnattr_t,
+        argv: *const *mut ::c_char,
+        envp: *const *mut ::c_char,
+    ) -> ::c_int;
+
+    pub fn posix_spawn_file_actions_init(file_actions: *mut posix_spawn_file_actions_t) -> ::c_int;
+    pub fn posix_spawn_file_actions_destroy(
+        file_actions: *mut posix_spawn_file_actions_t,
+    ) -> ::c_int;
+    pub fn posix_spawn_file_actions_addopen(
+        file_actions: *mut posix_spawn_file_actions_t,
+        fildes: ::c_int,
+        path: *const ::c_char,
+        oflag: ::c_int,
+        mode: ::mode_t,
+    ) -> ::c_int;
+    pub fn posix_spawn_file_actions_addclose(
+        file_actions: *mut posix_spawn_file_actions_t,
+        fildes: ::c_int,
+    ) -> ::c_int;
+    pub fn posix_spawn_file_actions_adddup2(
+        file_actions: *mut posix_spawn_file_actions_t,
+        fildes: ::c_int,
+        newfildes: ::c_int,
+    ) -> ::c_int;
+
+    pub fn posix_spawnattr_init(attr: *mut posix_spawnattr_t) -> ::c_int;
+    pub fn posix_spawnattr_destroy(attr: *mut posix_spawnattr_t) -> ::c_int;
+    pub fn posix_spawnattr_getflags(
+        attr: *const posix_spawnattr_t,
+        _flags: *mut ::c_short,
+    ) -> ::c_int;
+    pub fn posix_spawnattr_setflags(attr: *mut posix_spawnattr_t, flags: ::c_short) -> ::c_int;
+    pub fn posix_spawnattr_getpgroup(
+        attr: *const posix_spawnattr_t,
+        _pgroup: *mut ::pid_t,
+    ) -> ::c_int;
+    pub fn posix_spawnattr_setpgroup(attr: *mut posix_spawnattr_t, pgroup: ::pid_t) -> ::c_int;
+    pub fn posix_spawnattr_getsigdefault(
+        attr: *const posix_spawnattr_t,
+        sigdefault: *mut ::sigset_t,
+    ) -> ::c_int;
+    pub fn posix_spawnattr_setsigdefault(
+        attr: *mut posix_spawnattr_t,
+        sigdefault: *const ::sigset_t,
+    ) -> ::c_int;
+    pub fn posix_spawnattr_getsigmask(
+        attr: *const posix_spawnattr_t,
+        _sigmask: *mut ::sigset_t,
+    ) -> ::c_int;
+    pub fn posix_spawnattr_setsigmask(
+        attr: *mut posix_spawnattr_t,
+        sigmask: *const ::sigset_t,
+    ) -> ::c_int;
+
 }
 
 #[link(name = "bsd")]
diff --git a/bash-5.1/vendor/libc/src/unix/linux_like/android/b64/mod.rs b/bash-5.1/vendor/libc/src/unix/linux_like/android/b64/mod.rs
index 0995c5412ae5f7a9a71853bd853f39129532aa5f..67d0dacf17e93b1523d1ea5006eb9555bd77a05e 100644
--- a/bash-5.1/vendor/libc/src/unix/linux_like/android/b64/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/linux_like/android/b64/mod.rs
@@ -346,6 +346,9 @@ cfg_if! {
     } else if #[cfg(target_arch = "aarch64")] {
         mod aarch64;
         pub use self::aarch64::*;
+    } else if #[cfg(target_arch = "riscv64")] {
+        mod riscv64;
+        pub use self::riscv64::*;
     } else {
         // Unknown target_arch
     }
diff --git a/bash-5.1/vendor/libc/src/unix/linux_like/android/b64/x86_64/mod.rs b/bash-5.1/vendor/libc/src/unix/linux_like/android/b64/x86_64/mod.rs
index df116182066e6b8aa8d0ef081622fa8055bfa006..d25b50775537cd6048c0ebacecae850cf1cd1959 100644
--- a/bash-5.1/vendor/libc/src/unix/linux_like/android/b64/x86_64/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/linux_like/android/b64/x86_64/mod.rs
@@ -350,6 +350,7 @@ cfg_if! {
             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                 f.debug_struct("user_fpregs_struct")
                     .field("cwd", &self.cwd)
+                    .field("swd", &self.swd)
                     .field("ftw", &self.ftw)
                     .field("fop", &self.fop)
                     .field("rip", &self.rip)
@@ -366,6 +367,7 @@ cfg_if! {
         impl ::hash::Hash for user_fpregs_struct {
             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                 self.cwd.hash(state);
+                self.swd.hash(state);
                 self.ftw.hash(state);
                 self.fop.hash(state);
                 self.rip.hash(state);
diff --git a/bash-5.1/vendor/libc/src/unix/linux_like/android/mod.rs b/bash-5.1/vendor/libc/src/unix/linux_like/android/mod.rs
index a57e9b7e763c6e76370d20d7db83014758f10ce3..cfd229a474a92fc7ef22ecb049bb8e13c13a2b75 100644
--- a/bash-5.1/vendor/libc/src/unix/linux_like/android/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/linux_like/android/mod.rs
@@ -2489,6 +2489,8 @@ pub const AF_VSOCK: ::c_int = 40;
 pub const PF_NFC: ::c_int = AF_NFC;
 pub const PF_VSOCK: ::c_int = AF_VSOCK;
 
+pub const SOMAXCONN: ::c_int = 128;
+
 // sys/system_properties.h
 pub const PROP_VALUE_MAX: ::c_int = 92;
 pub const PROP_NAME_MAX: ::c_int = 32;
@@ -2496,6 +2498,216 @@ pub const PROP_NAME_MAX: ::c_int = 32;
 // sys/prctl.h
 pub const PR_SET_VMA: ::c_int = 0x53564d41;
 pub const PR_SET_VMA_ANON_NAME: ::c_int = 0;
+pub const PR_SET_NO_NEW_PRIVS: ::c_int = 38;
+pub const PR_GET_NO_NEW_PRIVS: ::c_int = 39;
+pub const PR_GET_SECCOMP: ::c_int = 21;
+pub const PR_SET_SECCOMP: ::c_int = 22;
+pub const PR_GET_TIMING: ::c_int = 13;
+pub const PR_SET_TIMING: ::c_int = 14;
+pub const PR_TIMING_STATISTICAL: ::c_int = 0;
+pub const PR_TIMING_TIMESTAMP: ::c_int = 1;
+
+// linux/if_addr.h
+pub const IFA_UNSPEC: ::c_ushort = 0;
+pub const IFA_ADDRESS: ::c_ushort = 1;
+pub const IFA_LOCAL: ::c_ushort = 2;
+pub const IFA_LABEL: ::c_ushort = 3;
+pub const IFA_BROADCAST: ::c_ushort = 4;
+pub const IFA_ANYCAST: ::c_ushort = 5;
+pub const IFA_CACHEINFO: ::c_ushort = 6;
+pub const IFA_MULTICAST: ::c_ushort = 7;
+
+pub const IFA_F_SECONDARY: u32 = 0x01;
+pub const IFA_F_TEMPORARY: u32 = 0x01;
+pub const IFA_F_NODAD: u32 = 0x02;
+pub const IFA_F_OPTIMISTIC: u32 = 0x04;
+pub const IFA_F_DADFAILED: u32 = 0x08;
+pub const IFA_F_HOMEADDRESS: u32 = 0x10;
+pub const IFA_F_DEPRECATED: u32 = 0x20;
+pub const IFA_F_TENTATIVE: u32 = 0x40;
+pub const IFA_F_PERMANENT: u32 = 0x80;
+
+// linux/if_link.h
+pub const IFLA_UNSPEC: ::c_ushort = 0;
+pub const IFLA_ADDRESS: ::c_ushort = 1;
+pub const IFLA_BROADCAST: ::c_ushort = 2;
+pub const IFLA_IFNAME: ::c_ushort = 3;
+pub const IFLA_MTU: ::c_ushort = 4;
+pub const IFLA_LINK: ::c_ushort = 5;
+pub const IFLA_QDISC: ::c_ushort = 6;
+pub const IFLA_STATS: ::c_ushort = 7;
+pub const IFLA_COST: ::c_ushort = 8;
+pub const IFLA_PRIORITY: ::c_ushort = 9;
+pub const IFLA_MASTER: ::c_ushort = 10;
+pub const IFLA_WIRELESS: ::c_ushort = 11;
+pub const IFLA_PROTINFO: ::c_ushort = 12;
+pub const IFLA_TXQLEN: ::c_ushort = 13;
+pub const IFLA_MAP: ::c_ushort = 14;
+pub const IFLA_WEIGHT: ::c_ushort = 15;
+pub const IFLA_OPERSTATE: ::c_ushort = 16;
+pub const IFLA_LINKMODE: ::c_ushort = 17;
+pub const IFLA_LINKINFO: ::c_ushort = 18;
+pub const IFLA_NET_NS_PID: ::c_ushort = 19;
+pub const IFLA_IFALIAS: ::c_ushort = 20;
+pub const IFLA_NUM_VF: ::c_ushort = 21;
+pub const IFLA_VFINFO_LIST: ::c_ushort = 22;
+pub const IFLA_STATS64: ::c_ushort = 23;
+pub const IFLA_VF_PORTS: ::c_ushort = 24;
+pub const IFLA_PORT_SELF: ::c_ushort = 25;
+pub const IFLA_AF_SPEC: ::c_ushort = 26;
+pub const IFLA_GROUP: ::c_ushort = 27;
+pub const IFLA_NET_NS_FD: ::c_ushort = 28;
+pub const IFLA_EXT_MASK: ::c_ushort = 29;
+pub const IFLA_PROMISCUITY: ::c_ushort = 30;
+pub const IFLA_NUM_TX_QUEUES: ::c_ushort = 31;
+pub const IFLA_NUM_RX_QUEUES: ::c_ushort = 32;
+pub const IFLA_CARRIER: ::c_ushort = 33;
+pub const IFLA_PHYS_PORT_ID: ::c_ushort = 34;
+pub const IFLA_CARRIER_CHANGES: ::c_ushort = 35;
+pub const IFLA_PHYS_SWITCH_ID: ::c_ushort = 36;
+pub const IFLA_LINK_NETNSID: ::c_ushort = 37;
+pub const IFLA_PHYS_PORT_NAME: ::c_ushort = 38;
+pub const IFLA_PROTO_DOWN: ::c_ushort = 39;
+pub const IFLA_GSO_MAX_SEGS: ::c_ushort = 40;
+pub const IFLA_GSO_MAX_SIZE: ::c_ushort = 41;
+pub const IFLA_PAD: ::c_ushort = 42;
+pub const IFLA_XDP: ::c_ushort = 43;
+pub const IFLA_EVENT: ::c_ushort = 44;
+pub const IFLA_NEW_NETNSID: ::c_ushort = 45;
+pub const IFLA_IF_NETNSID: ::c_ushort = 46;
+pub const IFLA_TARGET_NETNSID: ::c_ushort = IFLA_IF_NETNSID;
+pub const IFLA_CARRIER_UP_COUNT: ::c_ushort = 47;
+pub const IFLA_CARRIER_DOWN_COUNT: ::c_ushort = 48;
+pub const IFLA_NEW_IFINDEX: ::c_ushort = 49;
+pub const IFLA_MIN_MTU: ::c_ushort = 50;
+pub const IFLA_MAX_MTU: ::c_ushort = 51;
+
+pub const IFLA_INFO_UNSPEC: ::c_ushort = 0;
+pub const IFLA_INFO_KIND: ::c_ushort = 1;
+pub const IFLA_INFO_DATA: ::c_ushort = 2;
+pub const IFLA_INFO_XSTATS: ::c_ushort = 3;
+pub const IFLA_INFO_SLAVE_KIND: ::c_ushort = 4;
+pub const IFLA_INFO_SLAVE_DATA: ::c_ushort = 5;
+
+// linux/rtnetlink.h
+pub const TCA_UNSPEC: ::c_ushort = 0;
+pub const TCA_KIND: ::c_ushort = 1;
+pub const TCA_OPTIONS: ::c_ushort = 2;
+pub const TCA_STATS: ::c_ushort = 3;
+pub const TCA_XSTATS: ::c_ushort = 4;
+pub const TCA_RATE: ::c_ushort = 5;
+pub const TCA_FCNT: ::c_ushort = 6;
+pub const TCA_STATS2: ::c_ushort = 7;
+pub const TCA_STAB: ::c_ushort = 8;
+
+pub const RTM_NEWLINK: u16 = 16;
+pub const RTM_DELLINK: u16 = 17;
+pub const RTM_GETLINK: u16 = 18;
+pub const RTM_SETLINK: u16 = 19;
+pub const RTM_NEWADDR: u16 = 20;
+pub const RTM_DELADDR: u16 = 21;
+pub const RTM_GETADDR: u16 = 22;
+pub const RTM_NEWROUTE: u16 = 24;
+pub const RTM_DELROUTE: u16 = 25;
+pub const RTM_GETROUTE: u16 = 26;
+pub const RTM_NEWNEIGH: u16 = 28;
+pub const RTM_DELNEIGH: u16 = 29;
+pub const RTM_GETNEIGH: u16 = 30;
+pub const RTM_NEWRULE: u16 = 32;
+pub const RTM_DELRULE: u16 = 33;
+pub const RTM_GETRULE: u16 = 34;
+pub const RTM_NEWQDISC: u16 = 36;
+pub const RTM_DELQDISC: u16 = 37;
+pub const RTM_GETQDISC: u16 = 38;
+pub const RTM_NEWTCLASS: u16 = 40;
+pub const RTM_DELTCLASS: u16 = 41;
+pub const RTM_GETTCLASS: u16 = 42;
+pub const RTM_NEWTFILTER: u16 = 44;
+pub const RTM_DELTFILTER: u16 = 45;
+pub const RTM_GETTFILTER: u16 = 46;
+pub const RTM_NEWACTION: u16 = 48;
+pub const RTM_DELACTION: u16 = 49;
+pub const RTM_GETACTION: u16 = 50;
+pub const RTM_NEWPREFIX: u16 = 52;
+pub const RTM_GETMULTICAST: u16 = 58;
+pub const RTM_GETANYCAST: u16 = 62;
+pub const RTM_NEWNEIGHTBL: u16 = 64;
+pub const RTM_GETNEIGHTBL: u16 = 66;
+pub const RTM_SETNEIGHTBL: u16 = 67;
+pub const RTM_NEWNDUSEROPT: u16 = 68;
+pub const RTM_NEWADDRLABEL: u16 = 72;
+pub const RTM_DELADDRLABEL: u16 = 73;
+pub const RTM_GETADDRLABEL: u16 = 74;
+pub const RTM_GETDCB: u16 = 78;
+pub const RTM_SETDCB: u16 = 79;
+pub const RTM_NEWNETCONF: u16 = 80;
+pub const RTM_GETNETCONF: u16 = 82;
+pub const RTM_NEWMDB: u16 = 84;
+pub const RTM_DELMDB: u16 = 85;
+pub const RTM_GETMDB: u16 = 86;
+pub const RTM_NEWNSID: u16 = 88;
+pub const RTM_DELNSID: u16 = 89;
+pub const RTM_GETNSID: u16 = 90;
+
+pub const RTM_F_NOTIFY: ::c_uint = 0x100;
+pub const RTM_F_CLONED: ::c_uint = 0x200;
+pub const RTM_F_EQUALIZE: ::c_uint = 0x400;
+pub const RTM_F_PREFIX: ::c_uint = 0x800;
+
+pub const RTA_UNSPEC: ::c_ushort = 0;
+pub const RTA_DST: ::c_ushort = 1;
+pub const RTA_SRC: ::c_ushort = 2;
+pub const RTA_IIF: ::c_ushort = 3;
+pub const RTA_OIF: ::c_ushort = 4;
+pub const RTA_GATEWAY: ::c_ushort = 5;
+pub const RTA_PRIORITY: ::c_ushort = 6;
+pub const RTA_PREFSRC: ::c_ushort = 7;
+pub const RTA_METRICS: ::c_ushort = 8;
+pub const RTA_MULTIPATH: ::c_ushort = 9;
+pub const RTA_PROTOINFO: ::c_ushort = 10; // No longer used
+pub const RTA_FLOW: ::c_ushort = 11;
+pub const RTA_CACHEINFO: ::c_ushort = 12;
+pub const RTA_SESSION: ::c_ushort = 13; // No longer used
+pub const RTA_MP_ALGO: ::c_ushort = 14; // No longer used
+pub const RTA_TABLE: ::c_ushort = 15;
+pub const RTA_MARK: ::c_ushort = 16;
+pub const RTA_MFC_STATS: ::c_ushort = 17;
+
+pub const RTN_UNSPEC: ::c_uchar = 0;
+pub const RTN_UNICAST: ::c_uchar = 1;
+pub const RTN_LOCAL: ::c_uchar = 2;
+pub const RTN_BROADCAST: ::c_uchar = 3;
+pub const RTN_ANYCAST: ::c_uchar = 4;
+pub const RTN_MULTICAST: ::c_uchar = 5;
+pub const RTN_BLACKHOLE: ::c_uchar = 6;
+pub const RTN_UNREACHABLE: ::c_uchar = 7;
+pub const RTN_PROHIBIT: ::c_uchar = 8;
+pub const RTN_THROW: ::c_uchar = 9;
+pub const RTN_NAT: ::c_uchar = 10;
+pub const RTN_XRESOLVE: ::c_uchar = 11;
+
+pub const RTPROT_UNSPEC: ::c_uchar = 0;
+pub const RTPROT_REDIRECT: ::c_uchar = 1;
+pub const RTPROT_KERNEL: ::c_uchar = 2;
+pub const RTPROT_BOOT: ::c_uchar = 3;
+pub const RTPROT_STATIC: ::c_uchar = 4;
+
+pub const RT_SCOPE_UNIVERSE: ::c_uchar = 0;
+pub const RT_SCOPE_SITE: ::c_uchar = 200;
+pub const RT_SCOPE_LINK: ::c_uchar = 253;
+pub const RT_SCOPE_HOST: ::c_uchar = 254;
+pub const RT_SCOPE_NOWHERE: ::c_uchar = 255;
+
+pub const RT_TABLE_UNSPEC: ::c_uchar = 0;
+pub const RT_TABLE_COMPAT: ::c_uchar = 252;
+pub const RT_TABLE_DEFAULT: ::c_uchar = 253;
+pub const RT_TABLE_MAIN: ::c_uchar = 254;
+pub const RT_TABLE_LOCAL: ::c_uchar = 255;
+
+pub const RTMSG_NEWDEVICE: u32 = 0x11;
+pub const RTMSG_DELDEVICE: u32 = 0x12;
+pub const RTMSG_NEWROUTE: u32 = 0x21;
+pub const RTMSG_DELROUTE: u32 = 0x22;
 
 f! {
     pub fn CMSG_NXTHDR(mhdr: *const msghdr,
diff --git a/bash-5.1/vendor/libc/src/unix/linux_like/emscripten/mod.rs b/bash-5.1/vendor/libc/src/unix/linux_like/emscripten/mod.rs
index 5494aad378cf26b1e110652b6cccce092647434a..31d0ebf25b104b175610b7974965fa4e224e6b8a 100644
--- a/bash-5.1/vendor/libc/src/unix/linux_like/emscripten/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/linux_like/emscripten/mod.rs
@@ -1669,6 +1669,8 @@ pub const PRIO_PROCESS: ::c_int = 0;
 pub const PRIO_PGRP: ::c_int = 1;
 pub const PRIO_USER: ::c_int = 2;
 
+pub const SOMAXCONN: ::c_int = 128;
+
 f! {
     pub fn CMSG_NXTHDR(mhdr: *const msghdr,
                        cmsg: *const cmsghdr) -> *mut cmsghdr {
diff --git a/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/b64/aarch64/align.rs b/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/b64/aarch64/align.rs
index 154c2c54ce6deb78622883e3805113698588e374..cb2df378cf5eab48d0a103bc17c84eaef7ed1500 100644
--- a/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/b64/aarch64/align.rs
+++ b/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/b64/aarch64/align.rs
@@ -26,4 +26,26 @@ s! {
         // auto-derive traits like Debug
         __reserved: [[u64; 32]; 16],
     }
+
+    #[repr(align(16))]
+    pub struct user_fpsimd_struct {
+        pub vregs: [[u64; 2]; 32],
+        pub fpsr: ::c_uint,
+        pub fpcr: ::c_uint,
+    }
+
+    #[repr(align(8))]
+    pub struct clone_args {
+        pub flags: ::c_ulonglong,
+        pub pidfd: ::c_ulonglong,
+        pub child_tid: ::c_ulonglong,
+        pub parent_tid: ::c_ulonglong,
+        pub exit_signal: ::c_ulonglong,
+        pub stack: ::c_ulonglong,
+        pub stack_size: ::c_ulonglong,
+        pub tls: ::c_ulonglong,
+        pub set_tid: ::c_ulonglong,
+        pub set_tid_size: ::c_ulonglong,
+        pub cgroup: ::c_ulonglong,
+    }
 }
diff --git a/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/b64/aarch64/mod.rs b/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/b64/aarch64/mod.rs
index 513f6acd1c8bbcf2422b315fb33712132f6633d7..60a1b69323cf7bbdc31ceb546204d2676a0f849e 100644
--- a/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/b64/aarch64/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/b64/aarch64/mod.rs
@@ -573,6 +573,22 @@ pub const HWCAP_PACG: ::c_ulong = 1 << 31;
 //pub const HWCAP2_SVESM4: ::c_ulong = 1 << 6;
 //pub const HWCAP2_FLAGM2: ::c_ulong = 1 << 7;
 //pub const HWCAP2_FRINT: ::c_ulong = 1 << 8;
+//pub const HWCAP2_MTE: ::c_ulong = 1 << 18;
+
+// linux/prctl.h
+pub const PR_PAC_RESET_KEYS: ::c_int = 54;
+pub const PR_SET_TAGGED_ADDR_CTRL: ::c_int = 55;
+pub const PR_GET_TAGGED_ADDR_CTRL: ::c_int = 56;
+pub const PR_PAC_SET_ENABLED_KEYS: ::c_int = 60;
+pub const PR_PAC_GET_ENABLED_KEYS: ::c_int = 61;
+
+pub const PR_TAGGED_ADDR_ENABLE: ::c_ulong = 1;
+
+pub const PR_PAC_APIAKEY: ::c_ulong = 1 << 0;
+pub const PR_PAC_APIBKEY: ::c_ulong = 1 << 1;
+pub const PR_PAC_APDAKEY: ::c_ulong = 1 << 2;
+pub const PR_PAC_APDBKEY: ::c_ulong = 1 << 3;
+pub const PR_PAC_APGAKEY: ::c_ulong = 1 << 4;
 
 // Syscall table
 pub const SYS_io_setup: ::c_long = 0;
diff --git a/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/b64/x86_64/align.rs b/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/b64/x86_64/align.rs
index 7ca870fd02b71e31e44439e3fabdf1386eb75bb9..ba3075edd7e36f9780a74a3c31d456418f213988 100644
--- a/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/b64/x86_64/align.rs
+++ b/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/b64/x86_64/align.rs
@@ -5,3 +5,20 @@ s_no_extra_traits! {
         priv_: [f64; 4]
     }
 }
+
+s! {
+    #[repr(align(8))]
+    pub struct clone_args {
+        pub flags: ::c_ulonglong,
+        pub pidfd: ::c_ulonglong,
+        pub child_tid: ::c_ulonglong,
+        pub parent_tid: ::c_ulonglong,
+        pub exit_signal: ::c_ulonglong,
+        pub stack: ::c_ulonglong,
+        pub stack_size: ::c_ulonglong,
+        pub tls: ::c_ulonglong,
+        pub set_tid: ::c_ulonglong,
+        pub set_tid_size: ::c_ulonglong,
+        pub cgroup: ::c_ulonglong,
+    }
+}
diff --git a/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/b64/x86_64/mod.rs b/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/b64/x86_64/mod.rs
index 61242268e08bc41bd0efbec38dd1bb722436488d..7e876f2d86c879270080908facbf97f9f81bb87f 100644
--- a/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/b64/x86_64/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/b64/x86_64/mod.rs
@@ -626,6 +626,19 @@ pub const PTRACE_PEEKSIGINFO_SHARED: ::c_uint = 1;
 pub const PTRACE_SYSEMU: ::c_uint = 31;
 pub const PTRACE_SYSEMU_SINGLESTEP: ::c_uint = 32;
 
+pub const PR_GET_SPECULATION_CTRL: ::c_int = 52;
+pub const PR_SET_SPECULATION_CTRL: ::c_int = 53;
+pub const PR_SPEC_NOT_AFFECTED: ::c_uint = 0;
+pub const PR_SPEC_PRCTL: ::c_uint = 1 << 0;
+pub const PR_SPEC_ENABLE: ::c_uint = 1 << 1;
+pub const PR_SPEC_DISABLE: ::c_uint = 1 << 2;
+pub const PR_SPEC_FORCE_DISABLE: ::c_uint = 1 << 3;
+pub const PR_SPEC_DISABLE_NOEXEC: ::c_uint = 1 << 4;
+pub const PR_SPEC_STORE_BYPASS: ::c_int = 0;
+pub const PR_SPEC_INDIRECT_BRANCH: ::c_int = 1;
+// FIXME: perharps for later
+//pub const PR_SPEC_L1D_FLUSH: ::c_int = 2;
+
 pub const MCL_CURRENT: ::c_int = 0x0001;
 pub const MCL_FUTURE: ::c_int = 0x0002;
 
diff --git a/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/mod.rs b/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/mod.rs
index 8a5f9d16988bcf87b47a39dbd878849f7af4c054..88bc935f632b3799cab5d0dd2d64d9ae61a69902 100644
--- a/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/linux_like/linux/gnu/mod.rs
@@ -1025,6 +1025,8 @@ pub const STATX_ATTR_NODUMP: ::c_int = 0x0040;
 pub const STATX_ATTR_ENCRYPTED: ::c_int = 0x0800;
 pub const STATX_ATTR_AUTOMOUNT: ::c_int = 0x1000;
 
+pub const SOMAXCONN: ::c_int = 4096;
+
 //sys/timex.h
 pub const ADJ_OFFSET: ::c_uint = 0x0001;
 pub const ADJ_FREQUENCY: ::c_uint = 0x0002;
@@ -1289,6 +1291,7 @@ extern "C" {
         attr: *mut ::pthread_rwlockattr_t,
         val: ::c_int,
     ) -> ::c_int;
+    pub fn pthread_sigqueue(thread: ::pthread_t, sig: ::c_int, value: ::sigval) -> ::c_int;
     pub fn mallinfo() -> ::mallinfo;
     pub fn mallinfo2() -> ::mallinfo2;
     pub fn malloc_info(options: ::c_int, stream: *mut ::FILE) -> ::c_int;
@@ -1324,6 +1327,11 @@ extern "C" {
     pub fn malloc_trim(__pad: ::size_t) -> ::c_int;
 }
 
+extern "C" {
+    pub fn gnu_get_libc_release() -> *const ::c_char;
+    pub fn gnu_get_libc_version() -> *const ::c_char;
+}
+
 cfg_if! {
     if #[cfg(any(target_arch = "x86",
                  target_arch = "arm",
diff --git a/bash-5.1/vendor/libc/src/unix/linux_like/linux/mod.rs b/bash-5.1/vendor/libc/src/unix/linux_like/linux/mod.rs
index 2086f705a287f8ac63b82cc24ba62efcd2c9d1ee..aba691e5a85c613784f002c7b974cf4bd07a993d 100644
--- a/bash-5.1/vendor/libc/src/unix/linux_like/linux/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/linux_like/linux/mod.rs
@@ -1565,6 +1565,7 @@ pub const MSG_INFO: ::c_int = 12;
 
 pub const MSG_NOERROR: ::c_int = 0o10000;
 pub const MSG_EXCEPT: ::c_int = 0o20000;
+pub const MSG_ZEROCOPY: ::c_int = 0x4000000;
 
 pub const SHM_R: ::c_int = 0o400;
 pub const SHM_W: ::c_int = 0o200;
@@ -1810,6 +1811,7 @@ pub const ITIMER_PROF: ::c_int = 2;
 pub const TFD_CLOEXEC: ::c_int = O_CLOEXEC;
 pub const TFD_NONBLOCK: ::c_int = O_NONBLOCK;
 pub const TFD_TIMER_ABSTIME: ::c_int = 1;
+pub const TFD_TIMER_CANCEL_ON_SET: ::c_int = 2;
 
 pub const _POSIX_VDISABLE: ::cc_t = 0;
 
@@ -1841,6 +1843,17 @@ pub const IPV6_FLOWINFO_PRIORITY: ::c_int = 0x0ff00000;
 pub const IPV6_RTHDR_LOOSE: ::c_int = 0;
 pub const IPV6_RTHDR_STRICT: ::c_int = 1;
 
+// SO_MEMINFO offsets
+pub const SK_MEMINFO_RMEM_ALLOC: ::c_int = 0;
+pub const SK_MEMINFO_RCVBUF: ::c_int = 1;
+pub const SK_MEMINFO_WMEM_ALLOC: ::c_int = 2;
+pub const SK_MEMINFO_SNDBUF: ::c_int = 3;
+pub const SK_MEMINFO_FWD_ALLOC: ::c_int = 4;
+pub const SK_MEMINFO_WMEM_QUEUED: ::c_int = 5;
+pub const SK_MEMINFO_OPTMEM: ::c_int = 6;
+pub const SK_MEMINFO_BACKLOG: ::c_int = 7;
+pub const SK_MEMINFO_DROPS: ::c_int = 8;
+
 pub const IUTF8: ::tcflag_t = 0x00004000;
 #[cfg(not(all(target_env = "uclibc", target_arch = "mips")))]
 pub const CMSPAR: ::tcflag_t = 0o10000000000;
@@ -3061,6 +3074,7 @@ pub const FUTEX_WAIT_BITSET: ::c_int = 9;
 pub const FUTEX_WAKE_BITSET: ::c_int = 10;
 pub const FUTEX_WAIT_REQUEUE_PI: ::c_int = 11;
 pub const FUTEX_CMP_REQUEUE_PI: ::c_int = 12;
+pub const FUTEX_LOCK_PI2: ::c_int = 13;
 
 pub const FUTEX_PRIVATE_FLAG: ::c_int = 128;
 pub const FUTEX_CLOCK_REALTIME: ::c_int = 256;
diff --git a/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/b64/aarch64/align.rs b/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/b64/aarch64/align.rs
index 81c55c64ad822e6ac50f4cb2273a2be88b464379..a4bf9bff4f1474322735a183865a0d69b6e3ea84 100644
--- a/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/b64/aarch64/align.rs
+++ b/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/b64/aarch64/align.rs
@@ -24,4 +24,19 @@ s! {
         pub pstate: ::c_ulong,
         __reserved: [[u64; 32]; 16],
     }
+
+    #[repr(align(8))]
+    pub struct clone_args {
+        pub flags: ::c_ulonglong,
+        pub pidfd: ::c_ulonglong,
+        pub child_tid: ::c_ulonglong,
+        pub parent_tid: ::c_ulonglong,
+        pub exit_signal: ::c_ulonglong,
+        pub stack: ::c_ulonglong,
+        pub stack_size: ::c_ulonglong,
+        pub tls: ::c_ulonglong,
+        pub set_tid: ::c_ulonglong,
+        pub set_tid_size: ::c_ulonglong,
+        pub cgroup: ::c_ulonglong,
+    }
 }
diff --git a/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/b64/mips64.rs b/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/b64/mips64.rs
index cb9bb930d844bbb85c9ec7a56e0daa20cc364269..1ed13f66bf2fe4a77917b12e7dfe931bdd78ac96 100644
--- a/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/b64/mips64.rs
+++ b/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/b64/mips64.rs
@@ -458,7 +458,7 @@ pub const O_SYNC: ::c_int = 0x4010;
 pub const O_RSYNC: ::c_int = 0x4010;
 pub const O_DSYNC: ::c_int = 0x10;
 pub const O_ASYNC: ::c_int = 0x1000;
-pub const O_LARGEFILE: ::c_int = 0;
+pub const O_LARGEFILE: ::c_int = 0x2000;
 
 pub const EDEADLK: ::c_int = 45;
 pub const ENAMETOOLONG: ::c_int = 78;
diff --git a/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/b64/s390x.rs b/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/b64/s390x.rs
index 5fdd03d2cde2bfbeea1036c650b0884ab98263b7..cb6237abcfaf2bd385e7f6321d96279bfdbf16fc 100644
--- a/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/b64/s390x.rs
+++ b/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/b64/s390x.rs
@@ -221,6 +221,7 @@ pub const ENOPROTOOPT: ::c_int = 92;
 pub const EPROTONOSUPPORT: ::c_int = 93;
 pub const ESOCKTNOSUPPORT: ::c_int = 94;
 pub const EOPNOTSUPP: ::c_int = 95;
+pub const ENOTSUP: ::c_int = EOPNOTSUPP;
 pub const EPFNOSUPPORT: ::c_int = 96;
 pub const EAFNOSUPPORT: ::c_int = 97;
 pub const ENETDOWN: ::c_int = 100;
diff --git a/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/b64/x86_64/align.rs b/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/b64/x86_64/align.rs
index 7ca870fd02b71e31e44439e3fabdf1386eb75bb9..94391a01a727ef2ac5f1320db867268d5fe84077 100644
--- a/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/b64/x86_64/align.rs
+++ b/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/b64/x86_64/align.rs
@@ -4,4 +4,22 @@ s_no_extra_traits! {
     pub struct max_align_t {
         priv_: [f64; 4]
     }
+
+}
+
+s! {
+    #[repr(align(8))]
+    pub struct clone_args {
+        pub flags: ::c_ulonglong,
+        pub pidfd: ::c_ulonglong,
+        pub child_tid: ::c_ulonglong,
+        pub parent_tid: ::c_ulonglong,
+        pub exit_signal: ::c_ulonglong,
+        pub stack: ::c_ulonglong,
+        pub stack_size: ::c_ulonglong,
+        pub tls: ::c_ulonglong,
+        pub set_tid: ::c_ulonglong,
+        pub set_tid_size: ::c_ulonglong,
+        pub cgroup: ::c_ulonglong,
+    }
 }
diff --git a/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/mod.rs b/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/mod.rs
index 7071073458563b80c2caf86bc793100bfca67483..6cdc313881dbb6008e5c15855e6e1b746cc5e1e5 100644
--- a/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/linux_like/linux/musl/mod.rs
@@ -529,6 +529,8 @@ pub const MAP_ANONYMOUS: ::c_int = MAP_ANON;
 pub const SOCK_DCCP: ::c_int = 6;
 pub const SOCK_PACKET: ::c_int = 10;
 
+pub const SOMAXCONN: ::c_int = 128;
+
 #[deprecated(since = "0.2.55", note = "Use SIGSYS instead")]
 pub const SIGUNUSED: ::c_int = ::SIGSYS;
 
diff --git a/bash-5.1/vendor/libc/src/unix/linux_like/linux/uclibc/mod.rs b/bash-5.1/vendor/libc/src/unix/linux_like/linux/uclibc/mod.rs
index fc80f0f9d603bc0bb4dd77f9749290a3a69f7d1f..4a01e0cd81c857f31e516a3683da20eca3c6193b 100644
--- a/bash-5.1/vendor/libc/src/unix/linux_like/linux/uclibc/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/linux_like/linux/uclibc/mod.rs
@@ -235,6 +235,8 @@ pub const PRIO_PROCESS: ::c_int = 0;
 pub const PRIO_PGRP: ::c_int = 1;
 pub const PRIO_USER: ::c_int = 2;
 
+pub const SOMAXCONN: ::c_int = 128;
+
 pub const ST_RELATIME: ::c_ulong = 4096;
 
 pub const AF_NFC: ::c_int = PF_NFC;
diff --git a/bash-5.1/vendor/libc/src/unix/linux_like/mod.rs b/bash-5.1/vendor/libc/src/unix/linux_like/mod.rs
index 125c5d4e43a65d3fadf2cb92e13a30a9c33b95eb..57600f24b8f12dc57e0ce5444336133c43aae641 100644
--- a/bash-5.1/vendor/libc/src/unix/linux_like/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/linux_like/mod.rs
@@ -759,8 +759,6 @@ pub const PF_IEEE802154: ::c_int = AF_IEEE802154;
 pub const PF_CAIF: ::c_int = AF_CAIF;
 pub const PF_ALG: ::c_int = AF_ALG;
 
-pub const SOMAXCONN: ::c_int = 128;
-
 pub const MSG_OOB: ::c_int = 1;
 pub const MSG_PEEK: ::c_int = 2;
 pub const MSG_DONTROUTE: ::c_int = 4;
@@ -1213,6 +1211,15 @@ pub const PIPE_BUF: usize = 4096;
 
 pub const SI_LOAD_SHIFT: ::c_uint = 16;
 
+// si_code values for SIGBUS signal
+pub const BUS_ADRALN: ::c_int = 1;
+pub const BUS_ADRERR: ::c_int = 2;
+pub const BUS_OBJERR: ::c_int = 3;
+// Linux-specific si_code values for SIGBUS signal
+pub const BUS_MCEERR_AR: ::c_int = 4;
+pub const BUS_MCEERR_AO: ::c_int = 5;
+
+// si_code values for SIGCHLD signal
 pub const CLD_EXITED: ::c_int = 1;
 pub const CLD_KILLED: ::c_int = 2;
 pub const CLD_DUMPED: ::c_int = 3;
@@ -1726,8 +1733,6 @@ extern "C" {
     pub fn clearenv() -> ::c_int;
     pub fn waitid(idtype: idtype_t, id: id_t, infop: *mut ::siginfo_t, options: ::c_int)
         -> ::c_int;
-    pub fn setreuid(ruid: ::uid_t, euid: ::uid_t) -> ::c_int;
-    pub fn setregid(rgid: ::gid_t, egid: ::gid_t) -> ::c_int;
     pub fn getresuid(ruid: *mut ::uid_t, euid: *mut ::uid_t, suid: *mut ::uid_t) -> ::c_int;
     pub fn getresgid(rgid: *mut ::gid_t, egid: *mut ::gid_t, sgid: *mut ::gid_t) -> ::c_int;
     pub fn acct(filename: *const ::c_char) -> ::c_int;
diff --git a/bash-5.1/vendor/libc/src/unix/mod.rs b/bash-5.1/vendor/libc/src/unix/mod.rs
index ecee444111b703be159c3bde052ba8a096c6ef4d..ecc693e3db10531d1621cb872eab51f63a1b8ec0 100644
--- a/bash-5.1/vendor/libc/src/unix/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/mod.rs
@@ -346,13 +346,13 @@ cfg_if! {
     } else if #[cfg(target_os = "emscripten")] {
         #[link(name = "c")]
         extern {}
-    } else if #[cfg(all(target_os = "netbsd",
-                        feature = "rustc-dep-of-std",
-                        target_vendor = "rumprun"))] {
-        // Since we don't use -nodefaultlibs on Rumprun, libc is always pulled
-        // in automatically by the linker. We avoid passing it explicitly, as it
-        // causes some versions of binutils to crash with an assertion failure.
-        #[link(name = "m")]
+    } else if #[cfg(all(target_os = "android", feature = "rustc-dep-of-std"))] {
+        #[link(name = "c", kind = "static", modifiers = "-bundle",
+            cfg(target_feature = "crt-static"))]
+        #[link(name = "m", kind = "static", modifiers = "-bundle",
+            cfg(target_feature = "crt-static"))]
+        #[link(name = "m", cfg(not(target_feature = "crt-static")))]
+        #[link(name = "c", cfg(not(target_feature = "crt-static")))]
         extern {}
     } else if #[cfg(any(target_os = "macos",
                         target_os = "ios",
@@ -901,6 +901,8 @@ extern "C" {
     pub fn setpgid(pid: pid_t, pgid: pid_t) -> ::c_int;
     pub fn setsid() -> pid_t;
     pub fn setuid(uid: uid_t) -> ::c_int;
+    pub fn setreuid(ruid: uid_t, euid: uid_t) -> ::c_int;
+    pub fn setregid(rgid: gid_t, egid: gid_t) -> ::c_int;
     #[cfg_attr(
         all(target_os = "macos", target_arch = "x86"),
         link_name = "sleep$UNIX2003"
diff --git a/bash-5.1/vendor/libc/src/unix/newlib/espidf/mod.rs b/bash-5.1/vendor/libc/src/unix/newlib/espidf/mod.rs
index 38c99c6b35373212dd496ecb9ba173593df2bb02..804cd66454f464ec8e767c0f653ff02ea2cd9ad5 100644
--- a/bash-5.1/vendor/libc/src/unix/newlib/espidf/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/newlib/espidf/mod.rs
@@ -83,6 +83,9 @@ pub const MSG_DONTROUTE: ::c_int = 0x4;
 pub const MSG_WAITALL: ::c_int = 0x02;
 pub const MSG_MORE: ::c_int = 0x10;
 pub const MSG_NOSIGNAL: ::c_int = 0x20;
+pub const MSG_TRUNC: ::c_int = 0x04;
+pub const MSG_CTRUNC: ::c_int = 0x08;
+pub const MSG_EOR: ::c_int = 0x08;
 
 pub const PTHREAD_STACK_MIN: ::size_t = 768;
 
@@ -100,6 +103,8 @@ extern "C" {
     pub fn sendmsg(s: ::c_int, msg: *const ::msghdr, flags: ::c_int) -> ::ssize_t;
     #[link_name = "lwip_recvmsg"]
     pub fn recvmsg(s: ::c_int, msg: *mut ::msghdr, flags: ::c_int) -> ::ssize_t;
+
+    pub fn eventfd(initval: ::c_uint, flags: ::c_int) -> ::c_int;
 }
 
 pub use crate::unix::newlib::generic::{sigset_t, stat};
diff --git a/bash-5.1/vendor/libc/src/unix/solarish/mod.rs b/bash-5.1/vendor/libc/src/unix/solarish/mod.rs
index 3ccdb8cab91a8d1dd0ba3ae2b5d5930e1e78d2fd..fef08d08f4b6d2658a9eb39c40e253c3c8f3cefb 100644
--- a/bash-5.1/vendor/libc/src/unix/solarish/mod.rs
+++ b/bash-5.1/vendor/libc/src/unix/solarish/mod.rs
@@ -1796,6 +1796,8 @@ pub const TCP_LINGER2: ::c_int = 0x1c;
 
 pub const UDP_NAT_T_ENDPOINT: ::c_int = 0x0103;
 
+pub const SOMAXCONN: ::c_int = 128;
+
 pub const SOL_SOCKET: ::c_int = 0xffff;
 pub const SO_DEBUG: ::c_int = 0x01;
 pub const SO_ACCEPTCONN: ::c_int = 0x0002;
diff --git a/bash-5.1/vendor/libc/src/windows/mod.rs b/bash-5.1/vendor/libc/src/windows/mod.rs
index 08cba4edd094b4538d616d343c34c2135a3118ec..acb0de98951707abd05a9b69074f5ae9f53d5ab0 100644
--- a/bash-5.1/vendor/libc/src/windows/mod.rs
+++ b/bash-5.1/vendor/libc/src/windows/mod.rs
@@ -277,6 +277,16 @@ impl ::Clone for fpos_t {
     }
 }
 
+// Special handling for all print and scan type functions because of https://github.com/rust-lang/libc/issues/2860
+#[cfg_attr(
+    all(windows, target_env = "msvc"),
+    link(name = "legacy_stdio_definitions")
+)]
+extern "C" {
+    pub fn printf(format: *const c_char, ...) -> ::c_int;
+    pub fn fprintf(stream: *mut FILE, format: *const c_char, ...) -> ::c_int;
+}
+
 extern "C" {
     pub fn isalnum(c: c_int) -> c_int;
     pub fn isalpha(c: c_int) -> c_int;
@@ -319,8 +329,6 @@ extern "C" {
     pub fn feof(stream: *mut FILE) -> c_int;
     pub fn ferror(stream: *mut FILE) -> c_int;
     pub fn perror(s: *const c_char);
-    pub fn printf(format: *const c_char, ...) -> ::c_int;
-    pub fn fprintf(stream: *mut FILE, format: *const c_char, ...) -> ::c_int;
     pub fn atoi(s: *const c_char) -> c_int;
     pub fn strtod(s: *const c_char, endp: *mut *mut c_char) -> c_double;
     pub fn strtof(s: *const c_char, endp: *mut *mut c_char) -> c_float;
diff --git a/bash-5.1/vendor/nix/.cargo-checksum.json b/bash-5.1/vendor/nix/.cargo-checksum.json
index e6ef259fc764e8edd6c5f94c1444f720897670d0..21c329711ad7026901dd39c21966e3cbbf61e074 100644
--- a/bash-5.1/vendor/nix/.cargo-checksum.json
+++ b/bash-5.1/vendor/nix/.cargo-checksum.json
@@ -1 +1 @@
-{"files":{"CHANGELOG.md":"6ace7a11f8a0bd7883d0b5f0ad40d8c8c018a474677f14d9568d7c1f9d88a64f","Cargo.toml":"75e9539191f0b2664a4d89687cf59877259955fb6af85c5711a257690cf131bc","LICENSE":"66e3ee1fa7f909ad3c612d556f2a0cdabcd809ad6e66f3b0605015ac64841b70","README.md":"00ed4b7d1b538eaea937bcc82e51b21b4b185fac5e2d2124f3163f0c75b09795","src/dir.rs":"37f34eb1db53bc4953c4a0629f2b06a2130228898ae9afe42fe392af08d73842","src/env.rs":"3657fb51d8569ed525787e22cd2adb0ea5eb250d27641cfb8926be6908be4f38","src/errno.rs":"c973e7c0e769208ecdf20da5a7e026375c8eba785e825ff9d5ffe74290fa6a36","src/fcntl.rs":"a80857b4458c16d6ae15eaa71e5cd335ee2557ff598591f6296d898950fce963","src/features.rs":"18ac07e56c3187a650a0ea3b3eee9dacca51686fc3ca3fa0ddde449deb102f56","src/ifaddrs.rs":"e59a7540976c7c60b89929febdf5f6384b42c6d801bd1f339236e0e9c5636b67","src/kmod.rs":"9031edb7b0a8ed1d6635163c9c32490537d5c204e9794cce9dc2db24ead60957","src/lib.rs":"6330ce3b43d21d2ce658f2fab8b7c7e0c43080cf17002718b070d250ca9d70da","src/macros.rs":"257a3e46d315f4bc86f09c66f1dacf722424c96b39c7030a8b1dffc05dfd2bc6","src/mount/bsd.rs":"c14a0e477f08c2949945139fcae9f0ede1f15d17fdd4277f7344b6bd5fafdc48","src/mount/linux.rs":"d938612abe89d2cf0d375b335a570ba4831f2009d3ef6c7e786ccbc398bf2c15","src/mount/mod.rs":"5c9d906d4760ac1a3767949e2cab69d7fa683c454c06045919c58a90689d439f","src/mqueue.rs":"513120f89399fb832f78e8e6f151e23a0b5fcaea40745b465b3fe7080346dc87","src/net/if_.rs":"7e05ba4e41f9921dc5c78ba10c130bc79f31d26863f4db2df3754b6a317839c8","src/net/mod.rs":"577f70170e53d4a6de1abb70bf8f1031ec3e65c0e63ef5fcf05c907125e7ac17","src/poll.rs":"aab8f9e48db4fa43113e5e4eecb095dc1bfa76431d9792e5f79e305af28066ea","src/pty.rs":"e94219e1981cb023d4f3c22edbe26c87f7508fa25b96b9f74b3b36436aebe2fb","src/sched.rs":"83029c0f8f473f2e1323ecaae8e3f15dc0f5326afd7e768d024d91a80aa73e1c","src/sys/aio.rs":"505cd3edec0f8bc77a69c65e26c4f05b12ff565e58d0c029c466369e535eca27","src/sys/epoll.rs":"6d9bcd668010ba26abb9c5ede9f3e238a56ce4949a5c51ee80853fc8e3c37607","src/sys/event.rs":"19061ad0780d01bfd0a17c12d5527b8568aa3d0fa2b1e30692aa594c1dba4fca","src/sys/eventfd.rs":"bc8009f19e8b93b03d0202896e10bd08497f34e2987bb8ce864d6cde11eab892","src/sys/inotify.rs":"215c4217f698b47f73f4418f98f331f06ca93d35e01c6f522e5fa6a156554174","src/sys/ioctl/bsd.rs":"76acf6de6c9e2cd9367835f1b97815120e4baede4c2200661f396be4e4eb800e","src/sys/ioctl/linux.rs":"e91474bee3984a5b80ea41d5edafb4fdb9bf7c8e53969b6450cc56aa4dc7ad65","src/sys/ioctl/mod.rs":"6341f40c37227c77ca4bbb1864e60f99c43898eeaaf05ebb5132be1129550f4b","src/sys/memfd.rs":"72a153df4da17ea0cc4ce90ee3c47c5bec24c6e32fbb4ee7c77c1a89d79efbdd","src/sys/mman.rs":"93f3f4dc0212b0abb172a822e5cc179b15080bf4f5df6b91d950003650db889a","src/sys/mod.rs":"efcaefe12a84e86acd543168006963d062f52d929d1f40c1c79853297830c9d9","src/sys/personality.rs":"bf1daba7141811b39aa293e060a932bb1c2b3a5ac5552658e6509b8fa7b05016","src/sys/pthread.rs":"0407064036af5b1e6247eedd38157201104c51d73575ba2eaba5e89259521462","src/sys/ptrace/bsd.rs":"ca948c863fa55de1f9fc8eabd9fd7803054df08a6ee5044b2a6a7de49a321819","src/sys/ptrace/linux.rs":"7dadde65fa8aac137d9b189d4c571dd64eb44042d0117a0c28ff55dc73de5d66","src/sys/ptrace/mod.rs":"671a6ccac955e75d5998f7e53ffc45ed4c7b6522a0f24a0937d60141f692dd39","src/sys/quota.rs":"1b60c34302e6fad9422fe0bec9fe7e6b93fbe554b8cfe98ecf5834daf93c84de","src/sys/reboot.rs":"dbb1faeeb6525f1952a20cb75adbd76b0681b6214501f747cc154be2bbff7594","src/sys/resource.rs":"a26d30490bcc56eb8b86faf23a3a4ada3c0cd3ce28e2b3040d5f36c668f14f20","src/sys/select.rs":"d30e8dfcfa46f6bd8d8b86676ad09d7aa6f1d7747d2c9601b9bb4f5ccf44b59f","src/sys/sendfile.rs":"637b09a267813c6adf72b6b74235175ed5347e3816777881ba8a9ab192c3e497","src/sys/signal.rs":"625e14dd43d5d7e1d3540543d6438e7a27edbd425838749592418caa18d01d08","src/sys/signalfd.rs":"2677af132b9f01ec277615a5d039f49fbdd06dc4442639df668561b74b9785c4","src/sys/socket/addr.rs":"668460421d0e0915e818ddfa20881f9734231d61311d2da37d4253e9f4476560","src/sys/socket/mod.rs":"2512428d5c1d7de28ff6a680dea880a7ee8e2b30f9f90d39ca91672138347066","src/sys/socket/sockopt.rs":"0935138ab2957814d1acc29a78b8fddc12c283fe2771aae918cf2f09673591a0","src/sys/stat.rs":"aaaf7802733ac6c13c8c1ad22b864d6ba5369c123c06700d5d7d37afe87e8a66","src/sys/statfs.rs":"5827183678ddffad548f131c4e906ef73d8453534b0ac5f838cbc79ee2a12a9c","src/sys/statvfs.rs":"b8e0ea6b22e5bcf906e7367393190a2c60251211c2b4c5fa616e314d50e90d4f","src/sys/sysinfo.rs":"7ff86d7848c2e8ded13b47dc53bf24cb0f4d7f3ded634d6d2f34558a2511ed99","src/sys/termios.rs":"9281d162b68802c8c3a7bdab0a71dc794c81de1493a259f602244d7dfba2d491","src/sys/time.rs":"5ccb77ee0ea0aea934ce92f57d3112dac3a64fcf5648ee01656500dee0136135","src/sys/timer.rs":"1263c84eca7487a0174d507f6c108fdb8ccddbeeafad66ae80e3ba509e7e6ab0","src/sys/timerfd.rs":"c9193f5e1b8d963c7d0d529602859242ec00210238ed30e359001b206c809071","src/sys/uio.rs":"6aa2d19685691a9808c30d89f472cefeed3467cc1335cff36494ba7acd6250d2","src/sys/utsname.rs":"7f1c75dd550c9637a023a4629df571bcd292d53feee7b18f9f80dce425e65bea","src/sy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\ No newline at end of file
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\ No newline at end of file
diff --git a/bash-5.1/vendor/nix/CHANGELOG.md b/bash-5.1/vendor/nix/CHANGELOG.md
index b6639a1a7a8adaa8eb7e6702b5ea03d44ef19c38..f06e412d938925d1dcda2443ba20fea95189ed25 100644
--- a/bash-5.1/vendor/nix/CHANGELOG.md
+++ b/bash-5.1/vendor/nix/CHANGELOG.md
@@ -3,16 +3,85 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](https://semver.org/).
 
-## [0.24.1] - 2022-04-22
+## [0.25.0] - 2022-08-13
 ### Added
+
+- Added `faccessat`
+  ([#1780](https://github.com/nix-rust/nix/pull/1780))
+- Added `memfd` on Android.
+  (#[1773](https://github.com/nix-rust/nix/pull/1773))
+- Added `ETH_P_ALL` to `SockProtocol` enum
+  (#[1768](https://github.com/nix-rust/nix/pull/1768))
+- Added four non-standard Linux `SysconfVar` variants
+  (#[1761](https://github.com/nix-rust/nix/pull/1761))
+- Added const constructors for `TimeSpec` and `TimeVal`
+  (#[1760](https://github.com/nix-rust/nix/pull/1760))
+- Added `chflags`.
+  (#[1758](https://github.com/nix-rust/nix/pull/1758))
+- Added `aio_writev` and `aio_readv`.
+  (#[1713](https://github.com/nix-rust/nix/pull/1713))
+- impl `From<uid_t>` for `Uid` and `From<gid_t>` for `Gid`
+  (#[1727](https://github.com/nix-rust/nix/pull/1727))
+- impl `From<SockaddrIn>` for `std::net::SocketAddrV4` and
+  impl `From<SockaddrIn6>` for `std::net::SocketAddrV6`.
+  (#[1711](https://github.com/nix-rust/nix/pull/1711))
+- Added support for the `x86_64-unknown-haiku` target.
+  (#[1703](https://github.com/nix-rust/nix/pull/1703))
+- Added `ptrace::read_user` and `ptrace::write_user` for Linux.
+  (#[1697](https://github.com/nix-rust/nix/pull/1697))
+- Added `getrusage` and helper types `UsageWho` and `Usage`
+  (#[1747](https://github.com/nix-rust/nix/pull/1747))
+- Added the `DontRoute` SockOpt
+  (#[1752](https://github.com/nix-rust/nix/pull/1752))
+- Added `signal::SigSet::from_sigset_t_unchecked()`.
+  (#[1741](https://github.com/nix-rust/nix/pull/1741))
+- Added the `Ipv4OrigDstAddr` sockopt and control message.
+  (#[1772](https://github.com/nix-rust/nix/pull/1772))
+- Added the `Ipv6OrigDstAddr` sockopt and control message.
+  (#[1772](https://github.com/nix-rust/nix/pull/1772))
+- Added the `Ipv4SendSrcAddr` control message.
+  (#[1776](https://github.com/nix-rust/nix/pull/1776))
+
 ### Changed
+
+- Rewrote the aio module.  The new module:
+  * Does more type checking at compile time rather than runtime.
+  * Gives the caller control over whether and when to `Box` an aio operation.
+  * Changes the type of the `priority` arguments to `i32`.
+  * Changes the return type of `aio_return` to `usize`.
+  (#[1713](https://github.com/nix-rust/nix/pull/1713))
+- `nix::poll::ppoll`: `sigmask` parameter is now optional.
+  (#[1739](https://github.com/nix-rust/nix/pull/1739))
+- Changed `gethostname` to return an owned `OsString`.
+  (#[1745](https://github.com/nix-rust/nix/pull/1745))
+- `signal:SigSet` is now marked as `repr(transparent)`.
+  (#[1741](https://github.com/nix-rust/nix/pull/1741))
+
+### Removed
+
+- Removed support for resubmitting partially complete `lio_listio` operations.
+  It was too complicated, and didn't fit Nix's theme of zero-cost abstractions.
+  Instead, it can be reimplemented downstream.
+  (#[1713](https://github.com/nix-rust/nix/pull/1713))
+
+## [0.24.2] - 2022-07-17
+### Fixed
+
+- Fixed buffer overflow in `nix::sys::socket::recvfrom`.
+  (#[1763](https://github.com/nix-rust/nix/pull/1763))
+- Enabled `SockaddrStorage::{as_link_addr, as_link_addr_mut}` for Linux-like
+  operating systems.
+  (#[1729](https://github.com/nix-rust/nix/pull/1729))
+- Fixed `SockaddrLike::from_raw` implementations for `VsockAddr` and
+  `SysControlAddr`.
+  (#[1736](https://github.com/nix-rust/nix/pull/1736))
+
+## [0.24.1] - 2022-04-22
 ### Fixed
 
 - Fixed `UnixAddr::size` on Linux-based OSes.
   (#[1702](https://github.com/nix-rust/nix/pull/1702))
 
-### Removed
-
 ## [0.24.0] - 2022-04-21
 ### Added
 
@@ -122,7 +191,6 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 
 ## [0.23.1] - 2021-12-16
 
-### Added
 ### Changed
 
 - Relaxed the bitflags requirement from 1.3.1 to 1.1.  This partially reverts
diff --git a/bash-5.1/vendor/nix/Cargo.toml b/bash-5.1/vendor/nix/Cargo.toml
index fb4afc81105065a84285011cc83bf78629dae135..21b316c656f3edf4772d56bc182f49e26c6c9e87 100644
--- a/bash-5.1/vendor/nix/Cargo.toml
+++ b/bash-5.1/vendor/nix/Cargo.toml
@@ -13,7 +13,7 @@
 edition = "2018"
 rust-version = "1.46"
 name = "nix"
-version = "0.24.1"
+version = "0.25.0"
 authors = ["The nix-rust Project Developers"]
 include = [
     "src/**/*",
@@ -59,10 +59,6 @@ path = "test/sys/test_aio_drop.rs"
 name = "test-clearenv"
 path = "test/test_clearenv.rs"
 
-[[test]]
-name = "test-lio-listio-resubmit"
-path = "test/sys/test_lio_listio_resubmit.rs"
-
 [[test]]
 name = "test-mount"
 path = "test/test_mount.rs"
@@ -79,14 +75,18 @@ version = "1.1"
 version = "1.0"
 
 [dependencies.libc]
-version = "0.2.121"
+version = "0.2.127"
 features = ["extra_traits"]
 
+[dependencies.pin-utils]
+version = "0.1.0"
+optional = true
+
 [dev-dependencies.assert-impl]
 version = "0.1"
 
 [dev-dependencies.lazy_static]
-version = "1.2"
+version = "1.4"
 
 [dev-dependencies.parking_lot]
 version = "0.11.2"
@@ -95,14 +95,17 @@ version = "0.11.2"
 version = "0.8"
 
 [dev-dependencies.semver]
-version = "1.0.0"
+version = "1.0.7"
 
 [dev-dependencies.tempfile]
-version = "3.2.0"
+version = "3.3.0"
+
+[build-dependencies.autocfg]
+version = "1.1.0"
 
 [features]
 acct = []
-aio = []
+aio = ["pin-utils"]
 default = [
     "acct",
     "aio",
@@ -172,11 +175,11 @@ zerocopy = [
 ]
 
 [target."cfg(any(target_os = \"android\", target_os = \"linux\"))".dev-dependencies.caps]
-version = "0.5.1"
+version = "0.5.3"
 
 [target."cfg(not(target_os = \"redox\"))".dependencies.memoffset]
 version = "0.6.3"
 optional = true
 
 [target."cfg(target_os = \"freebsd\")".dev-dependencies.sysctl]
-version = "0.1"
+version = "0.4"
diff --git a/bash-5.1/vendor/nix/README.md b/bash-5.1/vendor/nix/README.md
index b0c27b16f34c30f847448a5c7fa7ac49b3ee3495..7c13cf201c369aafa3eb6ed75fe4dd10e0915986 100644
--- a/bash-5.1/vendor/nix/README.md
+++ b/bash-5.1/vendor/nix/README.md
@@ -24,8 +24,8 @@ call:
 // libc api (unsafe, requires handling return code/errno)
 pub unsafe extern fn gethostname(name: *mut c_char, len: size_t) -> c_int;
 
-// nix api (returns a nix::Result<CStr>)
-pub fn gethostname<'a>(buffer: &'a mut [u8]) -> Result<&'a CStr>;
+// nix api (returns a nix::Result<OsString>)
+pub fn gethostname() -> Result<OsString>;
 ```
 
 ## Supported Platforms
@@ -82,6 +82,7 @@ Tier 3:
   * armv7-unknown-linux-uclibceabihf
   * x86_64-fuchsia
   * x86_64-unknown-dragonfly
+  * x86_64-unknown-haiku
   * x86_64-unknown-linux-gnux32
   * x86_64-unknown-openbsd
   * x86_64-unknown-redox
diff --git a/bash-5.1/vendor/nix/src/dir.rs b/bash-5.1/vendor/nix/src/dir.rs
index 396b54fb031dee7a80f8faf230947e63a4879de6..6d5fc3b9252c4b379d1031c2eff49567e3487e9b 100644
--- a/bash-5.1/vendor/nix/src/dir.rs
+++ b/bash-5.1/vendor/nix/src/dir.rs
@@ -1,3 +1,5 @@
+//! List directory contents
+
 use crate::{Error, NixPath, Result};
 use crate::errno::Errno;
 use crate::fcntl::{self, OFlag};
@@ -53,6 +55,7 @@ impl Dir {
     }
 
     /// Converts from a file descriptor, closing it on success or failure.
+    #[cfg_attr(has_doc_alias, doc(alias("fdopendir")))]
     pub fn from_fd(fd: RawFd) -> Result<Self> {
         let d = ptr::NonNull::new(unsafe { libc::fdopendir(fd) }).ok_or_else(|| {
             let e = Error::last();
@@ -113,6 +116,7 @@ fn next(dir: &mut Dir) -> Option<Result<Entry>> {
     }
 }
 
+/// Return type of [`Dir::iter`].
 #[derive(Debug, Eq, Hash, PartialEq)]
 pub struct Iter<'d>(&'d mut Dir);
 
@@ -182,14 +186,22 @@ impl IntoIterator for Dir {
 #[repr(transparent)]
 pub struct Entry(dirent);
 
+/// Type of file referenced by a directory entry
 #[derive(Copy, Clone, Debug, Eq, Hash, PartialEq)]
 pub enum Type {
+    /// FIFO (Named pipe)
     Fifo,
+    /// Character device
     CharacterDevice,
+    /// Directory
     Directory,
+    /// Block device
     BlockDevice,
+    /// Regular file
     File,
+    /// Symbolic link
     Symlink,
+    /// Unix-domain socket
     Socket,
 }
 
@@ -226,7 +238,7 @@ impl Entry {
     /// notably, some Linux filesystems don't implement this. The caller should use `stat` or
     /// `fstat` if this returns `None`.
     pub fn file_type(&self) -> Option<Type> {
-        #[cfg(not(any(target_os = "illumos", target_os = "solaris")))]
+        #[cfg(not(any(target_os = "illumos", target_os = "solaris", target_os = "haiku")))]
         match self.0.d_type {
             libc::DT_FIFO => Some(Type::Fifo),
             libc::DT_CHR => Some(Type::CharacterDevice),
@@ -238,8 +250,8 @@ impl Entry {
             /* libc::DT_UNKNOWN | */ _ => None,
         }
 
-        // illumos and Solaris systems do not have the d_type member at all:
-        #[cfg(any(target_os = "illumos", target_os = "solaris"))]
+        // illumos, Solaris, and Haiku systems do not have the d_type member at all:
+        #[cfg(any(target_os = "illumos", target_os = "solaris", target_os = "haiku"))]
         None
     }
 }
diff --git a/bash-5.1/vendor/nix/src/env.rs b/bash-5.1/vendor/nix/src/env.rs
index bcae28713edb90edb54c24b0d1bcaa9e6d254f6d..95177a1d2a1aae9dd5126acda468679af8cd84d9 100644
--- a/bash-5.1/vendor/nix/src/env.rs
+++ b/bash-5.1/vendor/nix/src/env.rs
@@ -42,7 +42,6 @@ pub unsafe fn clearenv() -> std::result::Result<(), ClearEnvError> {
     cfg_if! {
         if #[cfg(any(target_os = "fuchsia",
                      target_os = "wasi",
-                     target_env = "wasi",
                      target_env = "uclibc",
                      target_os = "linux",
                      target_os = "android",
diff --git a/bash-5.1/vendor/nix/src/errno.rs b/bash-5.1/vendor/nix/src/errno.rs
index 17744fe22a1a409d39acff71188a7ec9392ec132..912fb94f55f22a9edb30b83dc6d200402bb02eb6 100644
--- a/bash-5.1/vendor/nix/src/errno.rs
+++ b/bash-5.1/vendor/nix/src/errno.rs
@@ -1,8 +1,8 @@
+use crate::{Error, Result};
 use cfg_if::cfg_if;
 use libc::{c_int, c_void};
 use std::convert::TryFrom;
-use std::{fmt, io, error};
-use crate::{Error, Result};
+use std::{error, fmt, io};
 
 pub use self::consts::*;
 
@@ -30,6 +30,10 @@ cfg_if! {
         unsafe fn errno_location() -> *mut c_int {
             libc::___errno()
         }
+    } else if #[cfg(any(target_os = "haiku",))] {
+        unsafe fn errno_location() -> *mut c_int {
+            libc::_errnop()
+        }
     }
 }
 
@@ -43,9 +47,7 @@ fn clear() {
 
 /// Returns the platform-specific value of errno
 pub fn errno() -> i32 {
-    unsafe {
-        (*errno_location()) as i32
-    }
+    unsafe { (*errno_location()) as i32 }
 }
 
 impl Errno {
@@ -59,29 +61,20 @@ impl Errno {
     /// let e = Error::from(Errno::EPERM);
     /// assert_eq!(Some(Errno::EPERM), e.as_errno());
     /// ```
-    #[deprecated(
-        since = "0.22.0",
-        note = "It's a no-op now; just delete it."
-    )]
+    #[deprecated(since = "0.22.0", note = "It's a no-op now; just delete it.")]
     pub const fn as_errno(self) -> Option<Self> {
         Some(self)
     }
 
     /// Create a nix Error from a given errno
-    #[deprecated(
-        since = "0.22.0",
-        note = "It's a no-op now; just delete it."
-    )]
+    #[deprecated(since = "0.22.0", note = "It's a no-op now; just delete it.")]
     #[allow(clippy::wrong_self_convention)] // False positive
     pub fn from_errno(errno: Errno) -> Error {
         errno
     }
 
     /// Create a new invalid argument error (`EINVAL`)
-    #[deprecated(
-        since = "0.22.0",
-        note = "Use Errno::EINVAL instead"
-    )]
+    #[deprecated(since = "0.22.0", note = "Use Errno::EINVAL instead")]
     pub const fn invalid_argument() -> Error {
         Errno::EINVAL
     }
@@ -118,10 +111,7 @@ impl Errno {
     /// In older versions of Nix, `Error::Sys` was an enum variant.  Now it's a
     /// function, which is compatible with most of the former use cases of the
     /// enum variant.  But you should use `Error(Errno::...)` instead.
-    #[deprecated(
-        since = "0.22.0",
-        note = "Use Errno::... instead"
-    )]
+    #[deprecated(since = "0.22.0", note = "Use Errno::... instead")]
     #[allow(non_snake_case)]
     #[inline]
     pub const fn Sys(errno: Errno) -> Error {
@@ -136,23 +126,33 @@ pub trait ErrnoSentinel: Sized {
 }
 
 impl ErrnoSentinel for isize {
-    fn sentinel() -> Self { -1 }
+    fn sentinel() -> Self {
+        -1
+    }
 }
 
 impl ErrnoSentinel for i32 {
-    fn sentinel() -> Self { -1 }
+    fn sentinel() -> Self {
+        -1
+    }
 }
 
 impl ErrnoSentinel for i64 {
-    fn sentinel() -> Self { -1 }
+    fn sentinel() -> Self {
+        -1
+    }
 }
 
 impl ErrnoSentinel for *mut c_void {
-    fn sentinel() -> Self { -1isize as *mut c_void }
+    fn sentinel() -> Self {
+        -1isize as *mut c_void
+    }
 }
 
 impl ErrnoSentinel for libc::sighandler_t {
-    fn sentinel() -> Self { libc::SIG_ERR }
+    fn sentinel() -> Self {
+        libc::SIG_ERR
+    }
 }
 
 impl error::Error for Errno {}
@@ -173,9 +173,7 @@ impl TryFrom<io::Error> for Errno {
     type Error = io::Error;
 
     fn try_from(ioerror: io::Error) -> std::result::Result<Self, io::Error> {
-        ioerror.raw_os_error()
-            .map(Errno::from_i32)
-            .ok_or(ioerror)
+        ioerror.raw_os_error().map(Errno::from_i32).ok_or(ioerror)
     }
 }
 
@@ -186,728 +184,1117 @@ fn last() -> Errno {
 fn desc(errno: Errno) -> &'static str {
     use self::Errno::*;
     match errno {
-        UnknownErrno    => "Unknown errno",
-        EPERM           => "Operation not permitted",
-        ENOENT          => "No such file or directory",
-        ESRCH           => "No such process",
-        EINTR           => "Interrupted system call",
-        EIO             => "I/O error",
-        ENXIO           => "No such device or address",
-        E2BIG           => "Argument list too long",
-        ENOEXEC         => "Exec format error",
-        EBADF           => "Bad file number",
-        ECHILD          => "No child processes",
-        EAGAIN          => "Try again",
-        ENOMEM          => "Out of memory",
-        EACCES          => "Permission denied",
-        EFAULT          => "Bad address",
-        ENOTBLK         => "Block device required",
-        EBUSY           => "Device or resource busy",
-        EEXIST          => "File exists",
-        EXDEV           => "Cross-device link",
-        ENODEV          => "No such device",
-        ENOTDIR         => "Not a directory",
-        EISDIR          => "Is a directory",
-        EINVAL          => "Invalid argument",
-        ENFILE          => "File table overflow",
-        EMFILE          => "Too many open files",
-        ENOTTY          => "Not a typewriter",
-        ETXTBSY         => "Text file busy",
-        EFBIG           => "File too large",
-        ENOSPC          => "No space left on device",
-        ESPIPE          => "Illegal seek",
-        EROFS           => "Read-only file system",
-        EMLINK          => "Too many links",
-        EPIPE           => "Broken pipe",
-        EDOM            => "Math argument out of domain of func",
-        ERANGE          => "Math result not representable",
-        EDEADLK         => "Resource deadlock would occur",
-        ENAMETOOLONG    => "File name too long",
-        ENOLCK          => "No record locks available",
-        ENOSYS          => "Function not implemented",
-        ENOTEMPTY       => "Directory not empty",
-        ELOOP           => "Too many symbolic links encountered",
-        ENOMSG          => "No message of desired type",
-        EIDRM           => "Identifier removed",
-        EINPROGRESS     => "Operation now in progress",
-        EALREADY        => "Operation already in progress",
-        ENOTSOCK        => "Socket operation on non-socket",
-        EDESTADDRREQ    => "Destination address required",
-        EMSGSIZE        => "Message too long",
-        EPROTOTYPE      => "Protocol wrong type for socket",
-        ENOPROTOOPT     => "Protocol not available",
+        UnknownErrno => "Unknown errno",
+        EPERM => "Operation not permitted",
+        ENOENT => "No such file or directory",
+        ESRCH => "No such process",
+        EINTR => "Interrupted system call",
+        EIO => "I/O error",
+        ENXIO => "No such device or address",
+        E2BIG => "Argument list too long",
+        ENOEXEC => "Exec format error",
+        EBADF => "Bad file number",
+        ECHILD => "No child processes",
+        EAGAIN => "Try again",
+        ENOMEM => "Out of memory",
+        EACCES => "Permission denied",
+        EFAULT => "Bad address",
+        #[cfg(not(target_os = "haiku"))]
+        ENOTBLK => "Block device required",
+        EBUSY => "Device or resource busy",
+        EEXIST => "File exists",
+        EXDEV => "Cross-device link",
+        ENODEV => "No such device",
+        ENOTDIR => "Not a directory",
+        EISDIR => "Is a directory",
+        EINVAL => "Invalid argument",
+        ENFILE => "File table overflow",
+        EMFILE => "Too many open files",
+        ENOTTY => "Not a typewriter",
+        ETXTBSY => "Text file busy",
+        EFBIG => "File too large",
+        ENOSPC => "No space left on device",
+        ESPIPE => "Illegal seek",
+        EROFS => "Read-only file system",
+        EMLINK => "Too many links",
+        EPIPE => "Broken pipe",
+        EDOM => "Math argument out of domain of func",
+        ERANGE => "Math result not representable",
+        EDEADLK => "Resource deadlock would occur",
+        ENAMETOOLONG => "File name too long",
+        ENOLCK => "No record locks available",
+        ENOSYS => "Function not implemented",
+        ENOTEMPTY => "Directory not empty",
+        ELOOP => "Too many symbolic links encountered",
+        ENOMSG => "No message of desired type",
+        EIDRM => "Identifier removed",
+        EINPROGRESS => "Operation now in progress",
+        EALREADY => "Operation already in progress",
+        ENOTSOCK => "Socket operation on non-socket",
+        EDESTADDRREQ => "Destination address required",
+        EMSGSIZE => "Message too long",
+        EPROTOTYPE => "Protocol wrong type for socket",
+        ENOPROTOOPT => "Protocol not available",
         EPROTONOSUPPORT => "Protocol not supported",
+        #[cfg(not(target_os = "haiku"))]
         ESOCKTNOSUPPORT => "Socket type not supported",
-        EPFNOSUPPORT    => "Protocol family not supported",
-        EAFNOSUPPORT    => "Address family not supported by protocol",
-        EADDRINUSE      => "Address already in use",
-        EADDRNOTAVAIL   => "Cannot assign requested address",
-        ENETDOWN        => "Network is down",
-        ENETUNREACH     => "Network is unreachable",
-        ENETRESET       => "Network dropped connection because of reset",
-        ECONNABORTED    => "Software caused connection abort",
-        ECONNRESET      => "Connection reset by peer",
-        ENOBUFS         => "No buffer space available",
-        EISCONN         => "Transport endpoint is already connected",
-        ENOTCONN        => "Transport endpoint is not connected",
-        ESHUTDOWN       => "Cannot send after transport endpoint shutdown",
-        ETOOMANYREFS    => "Too many references: cannot splice",
-        ETIMEDOUT       => "Connection timed out",
-        ECONNREFUSED    => "Connection refused",
-        EHOSTDOWN       => "Host is down",
-        EHOSTUNREACH    => "No route to host",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ECHRNG          => "Channel number out of range",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        EL2NSYNC        => "Level 2 not synchronized",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        EL3HLT          => "Level 3 halted",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        EL3RST          => "Level 3 reset",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ELNRNG          => "Link number out of range",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        EUNATCH         => "Protocol driver not attached",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ENOCSI          => "No CSI structure available",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        EL2HLT          => "Level 2 halted",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        EBADE           => "Invalid exchange",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        EBADR           => "Invalid request descriptor",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        EXFULL          => "Exchange full",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ENOANO          => "No anode",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        EBADRQC         => "Invalid request code",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        EBADSLT         => "Invalid slot",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        EBFONT          => "Bad font file format",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ENOSTR          => "Device not a stream",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ENODATA         => "No data available",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ETIME           => "Timer expired",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ENOSR           => "Out of streams resources",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ENONET          => "Machine is not on the network",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ENOPKG          => "Package not installed",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        EREMOTE         => "Object is remote",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ENOLINK         => "Link has been severed",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        EADV            => "Advertise error",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ESRMNT          => "Srmount error",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ECOMM           => "Communication error on send",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        EPROTO          => "Protocol error",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        EMULTIHOP       => "Multihop attempted",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "fuchsia"))]
-        EDOTDOT         => "RFS specific error",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "fuchsia"))]
-        EBADMSG         => "Not a data message",
+        #[cfg(not(target_os = "haiku"))]
+        EPFNOSUPPORT => "Protocol family not supported",
+        #[cfg(not(target_os = "haiku"))]
+        EAFNOSUPPORT => "Address family not supported by protocol",
+        EADDRINUSE => "Address already in use",
+        EADDRNOTAVAIL => "Cannot assign requested address",
+        ENETDOWN => "Network is down",
+        ENETUNREACH => "Network is unreachable",
+        ENETRESET => "Network dropped connection because of reset",
+        ECONNABORTED => "Software caused connection abort",
+        ECONNRESET => "Connection reset by peer",
+        ENOBUFS => "No buffer space available",
+        EISCONN => "Transport endpoint is already connected",
+        ENOTCONN => "Transport endpoint is not connected",
+        ESHUTDOWN => "Cannot send after transport endpoint shutdown",
+        #[cfg(not(target_os = "haiku"))]
+        ETOOMANYREFS => "Too many references: cannot splice",
+        ETIMEDOUT => "Connection timed out",
+        ECONNREFUSED => "Connection refused",
+        EHOSTDOWN => "Host is down",
+        EHOSTUNREACH => "No route to host",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ECHRNG => "Channel number out of range",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        EL2NSYNC => "Level 2 not synchronized",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        EL3HLT => "Level 3 halted",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        EL3RST => "Level 3 reset",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ELNRNG => "Link number out of range",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        EUNATCH => "Protocol driver not attached",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ENOCSI => "No CSI structure available",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        EL2HLT => "Level 2 halted",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        EBADE => "Invalid exchange",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        EBADR => "Invalid request descriptor",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        EXFULL => "Exchange full",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ENOANO => "No anode",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        EBADRQC => "Invalid request code",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        EBADSLT => "Invalid slot",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        EBFONT => "Bad font file format",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ENOSTR => "Device not a stream",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ENODATA => "No data available",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ETIME => "Timer expired",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ENOSR => "Out of streams resources",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ENONET => "Machine is not on the network",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ENOPKG => "Package not installed",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        EREMOTE => "Object is remote",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ENOLINK => "Link has been severed",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        EADV => "Advertise error",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ESRMNT => "Srmount error",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ECOMM => "Communication error on send",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        EPROTO => "Protocol error",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        EMULTIHOP => "Multihop attempted",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "fuchsia"
+        ))]
+        EDOTDOT => "RFS specific error",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "fuchsia"
+        ))]
+        EBADMSG => "Not a data message",
+
+        #[cfg(any(target_os = "illumos", target_os = "solaris"))]
+        EBADMSG => "Trying to read unreadable message",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "fuchsia",
+            target_os = "haiku"
+        ))]
+        EOVERFLOW => "Value too large for defined data type",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ENOTUNIQ => "Name not unique on network",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        EBADFD => "File descriptor in bad state",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        EREMCHG => "Remote address changed",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ELIBACC => "Can not access a needed shared library",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ELIBBAD => "Accessing a corrupted shared library",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ELIBSCN => ".lib section in a.out corrupted",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ELIBMAX => "Attempting to link in too many shared libraries",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ELIBEXEC => "Cannot exec a shared library directly",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia",
+            target_os = "openbsd"
+        ))]
+        EILSEQ => "Illegal byte sequence",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ERESTART => "Interrupted system call should be restarted",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        ESTRPIPE => "Streams pipe error",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia"
+        ))]
+        EUSERS => "Too many users",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "fuchsia",
+            target_os = "netbsd",
+            target_os = "redox"
+        ))]
+        EOPNOTSUPP => "Operation not supported on transport endpoint",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "fuchsia"
+        ))]
+        ESTALE => "Stale file handle",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "fuchsia"
+        ))]
+        EUCLEAN => "Structure needs cleaning",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "fuchsia"
+        ))]
+        ENOTNAM => "Not a XENIX named type file",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "fuchsia"
+        ))]
+        ENAVAIL => "No XENIX semaphores available",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "fuchsia"
+        ))]
+        EISNAM => "Is a named type file",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "fuchsia"
+        ))]
+        EREMOTEIO => "Remote I/O error",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "fuchsia"
+        ))]
+        EDQUOT => "Quota exceeded",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "fuchsia",
+            target_os = "openbsd",
+            target_os = "dragonfly"
+        ))]
+        ENOMEDIUM => "No medium found",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "fuchsia",
+            target_os = "openbsd"
+        ))]
+        EMEDIUMTYPE => "Wrong medium type",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "fuchsia",
+            target_os = "haiku"
+        ))]
+        ECANCELED => "Operation canceled",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "fuchsia"
+        ))]
+        ENOKEY => "Required key not available",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "fuchsia"
+        ))]
+        EKEYEXPIRED => "Key has expired",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "fuchsia"
+        ))]
+        EKEYREVOKED => "Key has been revoked",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "fuchsia"
+        ))]
+        EKEYREJECTED => "Key was rejected by service",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "fuchsia"
+        ))]
+        EOWNERDEAD => "Owner died",
 
         #[cfg(any(target_os = "illumos", target_os = "solaris"))]
-        EBADMSG         => "Trying to read unreadable message",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "fuchsia"))]
-        EOVERFLOW       => "Value too large for defined data type",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ENOTUNIQ        => "Name not unique on network",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        EBADFD          => "File descriptor in bad state",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        EREMCHG         => "Remote address changed",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ELIBACC         => "Can not access a needed shared library",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ELIBBAD         => "Accessing a corrupted shared library",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ELIBSCN         => ".lib section in a.out corrupted",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ELIBMAX         => "Attempting to link in too many shared libraries",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ELIBEXEC        => "Cannot exec a shared library directly",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia", target_os = "openbsd"))]
-        EILSEQ          => "Illegal byte sequence",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ERESTART        => "Interrupted system call should be restarted",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ESTRPIPE        => "Streams pipe error",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        EUSERS          => "Too many users",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "fuchsia", target_os = "netbsd",
-                  target_os = "redox"))]
-        EOPNOTSUPP      => "Operation not supported on transport endpoint",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "fuchsia"))]
-        ESTALE          => "Stale file handle",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "fuchsia"))]
-        EUCLEAN         => "Structure needs cleaning",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "fuchsia"))]
-        ENOTNAM         => "Not a XENIX named type file",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "fuchsia"))]
-        ENAVAIL         => "No XENIX semaphores available",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "fuchsia"))]
-        EISNAM          => "Is a named type file",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "fuchsia"))]
-        EREMOTEIO       => "Remote I/O error",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "fuchsia"))]
-        EDQUOT          => "Quota exceeded",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "fuchsia", target_os = "openbsd",
-                  target_os = "dragonfly"))]
-        ENOMEDIUM       => "No medium found",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "fuchsia", target_os = "openbsd"))]
-        EMEDIUMTYPE     => "Wrong medium type",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "illumos", target_os = "solaris",
-                  target_os = "fuchsia"))]
-        ECANCELED       => "Operation canceled",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "fuchsia"))]
-        ENOKEY          => "Required key not available",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "fuchsia"))]
-        EKEYEXPIRED     => "Key has expired",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "fuchsia"))]
-        EKEYREVOKED     => "Key has been revoked",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "fuchsia"))]
-        EKEYREJECTED    => "Key was rejected by service",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "fuchsia"))]
-        EOWNERDEAD      => "Owner died",
-
-        #[cfg(any( target_os = "illumos", target_os = "solaris"))]
-        EOWNERDEAD      => "Process died with lock",
-
-        #[cfg(any(target_os = "linux", target_os = "android",
-                  target_os = "fuchsia"))]
+        EOWNERDEAD => "Process died with lock",
+
+        #[cfg(any(
+            target_os = "linux",
+            target_os = "android",
+            target_os = "fuchsia"
+        ))]
         ENOTRECOVERABLE => "State not recoverable",
 
         #[cfg(any(target_os = "illumos", target_os = "solaris"))]
         ENOTRECOVERABLE => "Lock is not recoverable",
 
-        #[cfg(any(all(target_os = "linux", not(target_arch="mips")),
-                  target_os = "fuchsia"))]
-        ERFKILL         => "Operation not possible due to RF-kill",
+        #[cfg(any(
+            all(target_os = "linux", not(target_arch = "mips")),
+            target_os = "fuchsia"
+        ))]
+        ERFKILL => "Operation not possible due to RF-kill",
 
-        #[cfg(any(all(target_os = "linux", not(target_arch="mips")),
-                  target_os = "fuchsia"))]
-        EHWPOISON       => "Memory page has hardware error",
+        #[cfg(any(
+            all(target_os = "linux", not(target_arch = "mips")),
+            target_os = "fuchsia"
+        ))]
+        EHWPOISON => "Memory page has hardware error",
 
         #[cfg(any(target_os = "freebsd", target_os = "dragonfly"))]
-        EDOOFUS         => "Programming error",
-
-        #[cfg(any(target_os = "freebsd", target_os = "dragonfly", target_os = "redox"))]
-        EMULTIHOP       => "Multihop attempted",
-
-        #[cfg(any(target_os = "freebsd", target_os = "dragonfly",
-                  target_os = "redox"))]
-        ENOLINK         => "Link has been severed",
+        EDOOFUS => "Programming error",
+
+        #[cfg(any(
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "redox"
+        ))]
+        EMULTIHOP => "Multihop attempted",
+
+        #[cfg(any(
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "redox"
+        ))]
+        ENOLINK => "Link has been severed",
 
         #[cfg(target_os = "freebsd")]
-        ENOTCAPABLE     => "Capabilities insufficient",
+        ENOTCAPABLE => "Capabilities insufficient",
 
         #[cfg(target_os = "freebsd")]
-        ECAPMODE        => "Not permitted in capability mode",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd", target_os = "netbsd"))]
-        ENEEDAUTH       => "Need authenticator",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd", target_os = "netbsd",
-                  target_os = "redox", target_os = "illumos",
-                  target_os = "solaris"))]
-        EOVERFLOW       => "Value too large to be stored in data type",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "netbsd", target_os = "redox"))]
-        EILSEQ          => "Illegal byte sequence",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd", target_os = "netbsd"))]
-        ENOATTR         => "Attribute not found",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd", target_os = "netbsd",
-                  target_os = "redox"))]
-        EBADMSG         => "Bad message",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd", target_os = "netbsd",
-                  target_os = "redox"))]
-        EPROTO          => "Protocol error",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd"))]
+        ECAPMODE => "Not permitted in capability mode",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd",
+            target_os = "netbsd"
+        ))]
+        ENEEDAUTH => "Need authenticator",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd",
+            target_os = "netbsd",
+            target_os = "redox",
+            target_os = "illumos",
+            target_os = "solaris"
+        ))]
+        EOVERFLOW => "Value too large to be stored in data type",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "netbsd",
+            target_os = "redox",
+            target_os = "haiku"
+        ))]
+        EILSEQ => "Illegal byte sequence",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd",
+            target_os = "netbsd",
+            target_os = "haiku"
+        ))]
+        ENOATTR => "Attribute not found",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd",
+            target_os = "netbsd",
+            target_os = "redox",
+            target_os = "haiku"
+        ))]
+        EBADMSG => "Bad message",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd",
+            target_os = "netbsd",
+            target_os = "redox",
+            target_os = "haiku"
+        ))]
+        EPROTO => "Protocol error",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd"
+        ))]
         ENOTRECOVERABLE => "State not recoverable",
 
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd"))]
-        EOWNERDEAD      => "Previous owner died",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd", target_os = "netbsd",
-                  target_os = "illumos", target_os = "solaris"))]
-        ENOTSUP         => "Operation not supported",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd", target_os = "netbsd"))]
-        EPROCLIM        => "Too many processes",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd", target_os = "netbsd",
-                  target_os = "redox"))]
-        EUSERS          => "Too many users",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd", target_os = "netbsd",
-                  target_os = "redox", target_os = "illumos",
-                  target_os = "solaris"))]
-        EDQUOT          => "Disc quota exceeded",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd", target_os = "netbsd",
-                  target_os = "redox", target_os = "illumos",
-                  target_os = "solaris"))]
-        ESTALE          => "Stale NFS file handle",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd", target_os = "netbsd",
-                  target_os = "redox"))]
-        EREMOTE         => "Too many levels of remote in path",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd", target_os = "netbsd"))]
-        EBADRPC         => "RPC struct is bad",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd", target_os = "netbsd"))]
-        ERPCMISMATCH    => "RPC version wrong",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd", target_os = "netbsd"))]
-        EPROGUNAVAIL    => "RPC prog. not avail",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd", target_os = "netbsd"))]
-        EPROGMISMATCH   => "Program version wrong",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd", target_os = "netbsd"))]
-        EPROCUNAVAIL    => "Bad procedure for program",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd", target_os = "netbsd"))]
-        EFTYPE          => "Inappropriate file type or format",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd", target_os = "netbsd"))]
-        EAUTH           => "Authentication error",
-
-        #[cfg(any(target_os = "macos", target_os = "freebsd",
-                  target_os = "dragonfly", target_os = "ios",
-                  target_os = "openbsd", target_os = "netbsd",
-                  target_os = "redox"))]
-        ECANCELED       => "Operation canceled",
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd"
+        ))]
+        EOWNERDEAD => "Previous owner died",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd",
+            target_os = "netbsd",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "haiku"
+        ))]
+        ENOTSUP => "Operation not supported",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd",
+            target_os = "netbsd"
+        ))]
+        EPROCLIM => "Too many processes",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd",
+            target_os = "netbsd",
+            target_os = "redox"
+        ))]
+        EUSERS => "Too many users",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd",
+            target_os = "netbsd",
+            target_os = "redox",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "haiku"
+        ))]
+        EDQUOT => "Disc quota exceeded",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd",
+            target_os = "netbsd",
+            target_os = "redox",
+            target_os = "illumos",
+            target_os = "solaris",
+            target_os = "haiku"
+        ))]
+        ESTALE => "Stale NFS file handle",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd",
+            target_os = "netbsd",
+            target_os = "redox"
+        ))]
+        EREMOTE => "Too many levels of remote in path",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd",
+            target_os = "netbsd"
+        ))]
+        EBADRPC => "RPC struct is bad",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd",
+            target_os = "netbsd"
+        ))]
+        ERPCMISMATCH => "RPC version wrong",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd",
+            target_os = "netbsd"
+        ))]
+        EPROGUNAVAIL => "RPC prog. not avail",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd",
+            target_os = "netbsd"
+        ))]
+        EPROGMISMATCH => "Program version wrong",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd",
+            target_os = "netbsd"
+        ))]
+        EPROCUNAVAIL => "Bad procedure for program",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd",
+            target_os = "netbsd"
+        ))]
+        EFTYPE => "Inappropriate file type or format",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd",
+            target_os = "netbsd"
+        ))]
+        EAUTH => "Authentication error",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "ios",
+            target_os = "openbsd",
+            target_os = "netbsd",
+            target_os = "redox"
+        ))]
+        ECANCELED => "Operation canceled",
 
         #[cfg(any(target_os = "macos", target_os = "ios"))]
-        EPWROFF         => "Device power is off",
+        EPWROFF => "Device power is off",
 
         #[cfg(any(target_os = "macos", target_os = "ios"))]
-        EDEVERR         => "Device error, e.g. paper out",
+        EDEVERR => "Device error, e.g. paper out",
 
         #[cfg(any(target_os = "macos", target_os = "ios"))]
-        EBADEXEC        => "Bad executable",
+        EBADEXEC => "Bad executable",
 
         #[cfg(any(target_os = "macos", target_os = "ios"))]
-        EBADARCH        => "Bad CPU type in executable",
+        EBADARCH => "Bad CPU type in executable",
 
         #[cfg(any(target_os = "macos", target_os = "ios"))]
-        ESHLIBVERS      => "Shared library version mismatch",
+        ESHLIBVERS => "Shared library version mismatch",
 
         #[cfg(any(target_os = "macos", target_os = "ios"))]
-        EBADMACHO       => "Malformed Macho file",
-
-        #[cfg(any(target_os = "macos", target_os = "ios",
-                  target_os = "netbsd"))]
-        EMULTIHOP       => "Reserved",
-
-        #[cfg(any(target_os = "macos", target_os = "ios",
-                  target_os = "netbsd", target_os = "redox"))]
-        ENODATA         => "No message available on STREAM",
-
-        #[cfg(any(target_os = "macos", target_os = "ios",
-                  target_os = "netbsd"))]
-        ENOLINK         => "Reserved",
-
-        #[cfg(any(target_os = "macos", target_os = "ios",
-                  target_os = "netbsd", target_os = "redox"))]
-        ENOSR           => "No STREAM resources",
-
-        #[cfg(any(target_os = "macos", target_os = "ios",
-                  target_os = "netbsd", target_os = "redox"))]
-        ENOSTR          => "Not a STREAM",
-
-        #[cfg(any(target_os = "macos", target_os = "ios",
-                  target_os = "netbsd", target_os = "redox"))]
-        ETIME           => "STREAM ioctl timeout",
-
-        #[cfg(any(target_os = "macos", target_os = "ios",
-                  target_os = "illumos", target_os = "solaris"))]
-        EOPNOTSUPP      => "Operation not supported on socket",
+        EBADMACHO => "Malformed Macho file",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "ios",
+            target_os = "netbsd",
+            target_os = "haiku"
+        ))]
+        EMULTIHOP => "Reserved",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "ios",
+            target_os = "netbsd",
+            target_os = "redox"
+        ))]
+        ENODATA => "No message available on STREAM",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "ios",
+            target_os = "netbsd",
+            target_os = "haiku"
+        ))]
+        ENOLINK => "Reserved",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "ios",
+            target_os = "netbsd",
+            target_os = "redox"
+        ))]
+        ENOSR => "No STREAM resources",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "ios",
+            target_os = "netbsd",
+            target_os = "redox"
+        ))]
+        ENOSTR => "Not a STREAM",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "ios",
+            target_os = "netbsd",
+            target_os = "redox"
+        ))]
+        ETIME => "STREAM ioctl timeout",
+
+        #[cfg(any(
+            target_os = "macos",
+            target_os = "ios",
+            target_os = "illumos",
+            target_os = "solaris"
+        ))]
+        EOPNOTSUPP => "Operation not supported on socket",
 
         #[cfg(any(target_os = "macos", target_os = "ios"))]
-        ENOPOLICY       => "No such policy registered",
+        ENOPOLICY => "No such policy registered",
 
         #[cfg(any(target_os = "macos", target_os = "ios"))]
-        EQFULL          => "Interface output queue is full",
+        EQFULL => "Interface output queue is full",
 
         #[cfg(target_os = "openbsd")]
-        EOPNOTSUPP      => "Operation not supported",
+        EOPNOTSUPP => "Operation not supported",
 
         #[cfg(target_os = "openbsd")]
-        EIPSEC          => "IPsec processing failure",
+        EIPSEC => "IPsec processing failure",
 
         #[cfg(target_os = "dragonfly")]
-        EASYNC          => "Async",
+        EASYNC => "Async",
 
         #[cfg(any(target_os = "illumos", target_os = "solaris"))]
-        EDEADLOCK       => "Resource deadlock would occur",
+        EDEADLOCK => "Resource deadlock would occur",
 
         #[cfg(any(target_os = "illumos", target_os = "solaris"))]
-        ELOCKUNMAPPED   => "Locked lock was unmapped",
+        ELOCKUNMAPPED => "Locked lock was unmapped",
 
         #[cfg(any(target_os = "illumos", target_os = "solaris"))]
-        ENOTACTIVE      => "Facility is not active",
+        ENOTACTIVE => "Facility is not active",
     }
 }
 
-#[cfg(any(target_os = "linux", target_os = "android",
-          target_os = "fuchsia"))]
+#[cfg(any(target_os = "linux", target_os = "android", target_os = "fuchsia"))]
 mod consts {
     #[derive(Clone, Copy, Debug, Eq, PartialEq)]
     #[repr(i32)]
     #[non_exhaustive]
     pub enum Errno {
-        UnknownErrno    = 0,
-        EPERM           = libc::EPERM,
-        ENOENT          = libc::ENOENT,
-        ESRCH           = libc::ESRCH,
-        EINTR           = libc::EINTR,
-        EIO             = libc::EIO,
-        ENXIO           = libc::ENXIO,
-        E2BIG           = libc::E2BIG,
-        ENOEXEC         = libc::ENOEXEC,
-        EBADF           = libc::EBADF,
-        ECHILD          = libc::ECHILD,
-        EAGAIN          = libc::EAGAIN,
-        ENOMEM          = libc::ENOMEM,
-        EACCES          = libc::EACCES,
-        EFAULT          = libc::EFAULT,
-        ENOTBLK         = libc::ENOTBLK,
-        EBUSY           = libc::EBUSY,
-        EEXIST          = libc::EEXIST,
-        EXDEV           = libc::EXDEV,
-        ENODEV          = libc::ENODEV,
-        ENOTDIR         = libc::ENOTDIR,
-        EISDIR          = libc::EISDIR,
-        EINVAL          = libc::EINVAL,
-        ENFILE          = libc::ENFILE,
-        EMFILE          = libc::EMFILE,
-        ENOTTY          = libc::ENOTTY,
-        ETXTBSY         = libc::ETXTBSY,
-        EFBIG           = libc::EFBIG,
-        ENOSPC          = libc::ENOSPC,
-        ESPIPE          = libc::ESPIPE,
-        EROFS           = libc::EROFS,
-        EMLINK          = libc::EMLINK,
-        EPIPE           = libc::EPIPE,
-        EDOM            = libc::EDOM,
-        ERANGE          = libc::ERANGE,
-        EDEADLK         = libc::EDEADLK,
-        ENAMETOOLONG    = libc::ENAMETOOLONG,
-        ENOLCK          = libc::ENOLCK,
-        ENOSYS          = libc::ENOSYS,
-        ENOTEMPTY       = libc::ENOTEMPTY,
-        ELOOP           = libc::ELOOP,
-        ENOMSG          = libc::ENOMSG,
-        EIDRM           = libc::EIDRM,
-        ECHRNG          = libc::ECHRNG,
-        EL2NSYNC        = libc::EL2NSYNC,
-        EL3HLT          = libc::EL3HLT,
-        EL3RST          = libc::EL3RST,
-        ELNRNG          = libc::ELNRNG,
-        EUNATCH         = libc::EUNATCH,
-        ENOCSI          = libc::ENOCSI,
-        EL2HLT          = libc::EL2HLT,
-        EBADE           = libc::EBADE,
-        EBADR           = libc::EBADR,
-        EXFULL          = libc::EXFULL,
-        ENOANO          = libc::ENOANO,
-        EBADRQC         = libc::EBADRQC,
-        EBADSLT         = libc::EBADSLT,
-        EBFONT          = libc::EBFONT,
-        ENOSTR          = libc::ENOSTR,
-        ENODATA         = libc::ENODATA,
-        ETIME           = libc::ETIME,
-        ENOSR           = libc::ENOSR,
-        ENONET          = libc::ENONET,
-        ENOPKG          = libc::ENOPKG,
-        EREMOTE         = libc::EREMOTE,
-        ENOLINK         = libc::ENOLINK,
-        EADV            = libc::EADV,
-        ESRMNT          = libc::ESRMNT,
-        ECOMM           = libc::ECOMM,
-        EPROTO          = libc::EPROTO,
-        EMULTIHOP       = libc::EMULTIHOP,
-        EDOTDOT         = libc::EDOTDOT,
-        EBADMSG         = libc::EBADMSG,
-        EOVERFLOW       = libc::EOVERFLOW,
-        ENOTUNIQ        = libc::ENOTUNIQ,
-        EBADFD          = libc::EBADFD,
-        EREMCHG         = libc::EREMCHG,
-        ELIBACC         = libc::ELIBACC,
-        ELIBBAD         = libc::ELIBBAD,
-        ELIBSCN         = libc::ELIBSCN,
-        ELIBMAX         = libc::ELIBMAX,
-        ELIBEXEC        = libc::ELIBEXEC,
-        EILSEQ          = libc::EILSEQ,
-        ERESTART        = libc::ERESTART,
-        ESTRPIPE        = libc::ESTRPIPE,
-        EUSERS          = libc::EUSERS,
-        ENOTSOCK        = libc::ENOTSOCK,
-        EDESTADDRREQ    = libc::EDESTADDRREQ,
-        EMSGSIZE        = libc::EMSGSIZE,
-        EPROTOTYPE      = libc::EPROTOTYPE,
-        ENOPROTOOPT     = libc::ENOPROTOOPT,
+        UnknownErrno = 0,
+        EPERM = libc::EPERM,
+        ENOENT = libc::ENOENT,
+        ESRCH = libc::ESRCH,
+        EINTR = libc::EINTR,
+        EIO = libc::EIO,
+        ENXIO = libc::ENXIO,
+        E2BIG = libc::E2BIG,
+        ENOEXEC = libc::ENOEXEC,
+        EBADF = libc::EBADF,
+        ECHILD = libc::ECHILD,
+        EAGAIN = libc::EAGAIN,
+        ENOMEM = libc::ENOMEM,
+        EACCES = libc::EACCES,
+        EFAULT = libc::EFAULT,
+        ENOTBLK = libc::ENOTBLK,
+        EBUSY = libc::EBUSY,
+        EEXIST = libc::EEXIST,
+        EXDEV = libc::EXDEV,
+        ENODEV = libc::ENODEV,
+        ENOTDIR = libc::ENOTDIR,
+        EISDIR = libc::EISDIR,
+        EINVAL = libc::EINVAL,
+        ENFILE = libc::ENFILE,
+        EMFILE = libc::EMFILE,
+        ENOTTY = libc::ENOTTY,
+        ETXTBSY = libc::ETXTBSY,
+        EFBIG = libc::EFBIG,
+        ENOSPC = libc::ENOSPC,
+        ESPIPE = libc::ESPIPE,
+        EROFS = libc::EROFS,
+        EMLINK = libc::EMLINK,
+        EPIPE = libc::EPIPE,
+        EDOM = libc::EDOM,
+        ERANGE = libc::ERANGE,
+        EDEADLK = libc::EDEADLK,
+        ENAMETOOLONG = libc::ENAMETOOLONG,
+        ENOLCK = libc::ENOLCK,
+        ENOSYS = libc::ENOSYS,
+        ENOTEMPTY = libc::ENOTEMPTY,
+        ELOOP = libc::ELOOP,
+        ENOMSG = libc::ENOMSG,
+        EIDRM = libc::EIDRM,
+        ECHRNG = libc::ECHRNG,
+        EL2NSYNC = libc::EL2NSYNC,
+        EL3HLT = libc::EL3HLT,
+        EL3RST = libc::EL3RST,
+        ELNRNG = libc::ELNRNG,
+        EUNATCH = libc::EUNATCH,
+        ENOCSI = libc::ENOCSI,
+        EL2HLT = libc::EL2HLT,
+        EBADE = libc::EBADE,
+        EBADR = libc::EBADR,
+        EXFULL = libc::EXFULL,
+        ENOANO = libc::ENOANO,
+        EBADRQC = libc::EBADRQC,
+        EBADSLT = libc::EBADSLT,
+        EBFONT = libc::EBFONT,
+        ENOSTR = libc::ENOSTR,
+        ENODATA = libc::ENODATA,
+        ETIME = libc::ETIME,
+        ENOSR = libc::ENOSR,
+        ENONET = libc::ENONET,
+        ENOPKG = libc::ENOPKG,
+        EREMOTE = libc::EREMOTE,
+        ENOLINK = libc::ENOLINK,
+        EADV = libc::EADV,
+        ESRMNT = libc::ESRMNT,
+        ECOMM = libc::ECOMM,
+        EPROTO = libc::EPROTO,
+        EMULTIHOP = libc::EMULTIHOP,
+        EDOTDOT = libc::EDOTDOT,
+        EBADMSG = libc::EBADMSG,
+        EOVERFLOW = libc::EOVERFLOW,
+        ENOTUNIQ = libc::ENOTUNIQ,
+        EBADFD = libc::EBADFD,
+        EREMCHG = libc::EREMCHG,
+        ELIBACC = libc::ELIBACC,
+        ELIBBAD = libc::ELIBBAD,
+        ELIBSCN = libc::ELIBSCN,
+        ELIBMAX = libc::ELIBMAX,
+        ELIBEXEC = libc::ELIBEXEC,
+        EILSEQ = libc::EILSEQ,
+        ERESTART = libc::ERESTART,
+        ESTRPIPE = libc::ESTRPIPE,
+        EUSERS = libc::EUSERS,
+        ENOTSOCK = libc::ENOTSOCK,
+        EDESTADDRREQ = libc::EDESTADDRREQ,
+        EMSGSIZE = libc::EMSGSIZE,
+        EPROTOTYPE = libc::EPROTOTYPE,
+        ENOPROTOOPT = libc::ENOPROTOOPT,
         EPROTONOSUPPORT = libc::EPROTONOSUPPORT,
         ESOCKTNOSUPPORT = libc::ESOCKTNOSUPPORT,
-        EOPNOTSUPP      = libc::EOPNOTSUPP,
-        EPFNOSUPPORT    = libc::EPFNOSUPPORT,
-        EAFNOSUPPORT    = libc::EAFNOSUPPORT,
-        EADDRINUSE      = libc::EADDRINUSE,
-        EADDRNOTAVAIL   = libc::EADDRNOTAVAIL,
-        ENETDOWN        = libc::ENETDOWN,
-        ENETUNREACH     = libc::ENETUNREACH,
-        ENETRESET       = libc::ENETRESET,
-        ECONNABORTED    = libc::ECONNABORTED,
-        ECONNRESET      = libc::ECONNRESET,
-        ENOBUFS         = libc::ENOBUFS,
-        EISCONN         = libc::EISCONN,
-        ENOTCONN        = libc::ENOTCONN,
-        ESHUTDOWN       = libc::ESHUTDOWN,
-        ETOOMANYREFS    = libc::ETOOMANYREFS,
-        ETIMEDOUT       = libc::ETIMEDOUT,
-        ECONNREFUSED    = libc::ECONNREFUSED,
-        EHOSTDOWN       = libc::EHOSTDOWN,
-        EHOSTUNREACH    = libc::EHOSTUNREACH,
-        EALREADY        = libc::EALREADY,
-        EINPROGRESS     = libc::EINPROGRESS,
-        ESTALE          = libc::ESTALE,
-        EUCLEAN         = libc::EUCLEAN,
-        ENOTNAM         = libc::ENOTNAM,
-        ENAVAIL         = libc::ENAVAIL,
-        EISNAM          = libc::EISNAM,
-        EREMOTEIO       = libc::EREMOTEIO,
-        EDQUOT          = libc::EDQUOT,
-        ENOMEDIUM       = libc::ENOMEDIUM,
-        EMEDIUMTYPE     = libc::EMEDIUMTYPE,
-        ECANCELED       = libc::ECANCELED,
-        ENOKEY          = libc::ENOKEY,
-        EKEYEXPIRED     = libc::EKEYEXPIRED,
-        EKEYREVOKED     = libc::EKEYREVOKED,
-        EKEYREJECTED    = libc::EKEYREJECTED,
-        EOWNERDEAD      = libc::EOWNERDEAD,
+        EOPNOTSUPP = libc::EOPNOTSUPP,
+        EPFNOSUPPORT = libc::EPFNOSUPPORT,
+        EAFNOSUPPORT = libc::EAFNOSUPPORT,
+        EADDRINUSE = libc::EADDRINUSE,
+        EADDRNOTAVAIL = libc::EADDRNOTAVAIL,
+        ENETDOWN = libc::ENETDOWN,
+        ENETUNREACH = libc::ENETUNREACH,
+        ENETRESET = libc::ENETRESET,
+        ECONNABORTED = libc::ECONNABORTED,
+        ECONNRESET = libc::ECONNRESET,
+        ENOBUFS = libc::ENOBUFS,
+        EISCONN = libc::EISCONN,
+        ENOTCONN = libc::ENOTCONN,
+        ESHUTDOWN = libc::ESHUTDOWN,
+        ETOOMANYREFS = libc::ETOOMANYREFS,
+        ETIMEDOUT = libc::ETIMEDOUT,
+        ECONNREFUSED = libc::ECONNREFUSED,
+        EHOSTDOWN = libc::EHOSTDOWN,
+        EHOSTUNREACH = libc::EHOSTUNREACH,
+        EALREADY = libc::EALREADY,
+        EINPROGRESS = libc::EINPROGRESS,
+        ESTALE = libc::ESTALE,
+        EUCLEAN = libc::EUCLEAN,
+        ENOTNAM = libc::ENOTNAM,
+        ENAVAIL = libc::ENAVAIL,
+        EISNAM = libc::EISNAM,
+        EREMOTEIO = libc::EREMOTEIO,
+        EDQUOT = libc::EDQUOT,
+        ENOMEDIUM = libc::ENOMEDIUM,
+        EMEDIUMTYPE = libc::EMEDIUMTYPE,
+        ECANCELED = libc::ECANCELED,
+        ENOKEY = libc::ENOKEY,
+        EKEYEXPIRED = libc::EKEYEXPIRED,
+        EKEYREVOKED = libc::EKEYREVOKED,
+        EKEYREJECTED = libc::EKEYREJECTED,
+        EOWNERDEAD = libc::EOWNERDEAD,
         ENOTRECOVERABLE = libc::ENOTRECOVERABLE,
-        #[cfg(not(any(target_os = "android", target_arch="mips")))]
-        ERFKILL         = libc::ERFKILL,
-        #[cfg(not(any(target_os = "android", target_arch="mips")))]
-        EHWPOISON       = libc::EHWPOISON,
+        #[cfg(not(any(target_os = "android", target_arch = "mips")))]
+        ERFKILL = libc::ERFKILL,
+        #[cfg(not(any(target_os = "android", target_arch = "mips")))]
+        EHWPOISON = libc::EHWPOISON,
     }
 
     #[deprecated(
@@ -919,17 +1306,17 @@ mod consts {
         since = "0.22.1",
         note = "use nix::errno::Errno::EDEADLOCK instead"
     )]
-    pub const EDEADLOCK:   Errno = Errno::EDEADLK;
+    pub const EDEADLOCK: Errno = Errno::EDEADLK;
     #[deprecated(
         since = "0.22.1",
         note = "use nix::errno::Errno::ENOTSUP instead"
     )]
-    pub const ENOTSUP:  Errno = Errno::EOPNOTSUPP;
+    pub const ENOTSUP: Errno = Errno::EOPNOTSUPP;
 
     impl Errno {
         pub const EWOULDBLOCK: Errno = Errno::EAGAIN;
-        pub const EDEADLOCK:   Errno = Errno::EDEADLK;
-        pub const ENOTSUP:     Errno = Errno::EOPNOTSUPP;
+        pub const EDEADLOCK: Errno = Errno::EDEADLK;
+        pub const ENOTSUP: Errno = Errno::EOPNOTSUPP;
     }
 
     pub const fn from_i32(e: i32) -> Errno {
@@ -1065,11 +1452,11 @@ mod consts {
             libc::EKEYREJECTED => EKEYREJECTED,
             libc::EOWNERDEAD => EOWNERDEAD,
             libc::ENOTRECOVERABLE => ENOTRECOVERABLE,
-            #[cfg(not(any(target_os = "android", target_arch="mips")))]
+            #[cfg(not(any(target_os = "android", target_arch = "mips")))]
             libc::ERFKILL => ERFKILL,
-            #[cfg(not(any(target_os = "android", target_arch="mips")))]
+            #[cfg(not(any(target_os = "android", target_arch = "mips")))]
             libc::EHWPOISON => EHWPOISON,
-            _   => UnknownErrno,
+            _ => UnknownErrno,
         }
     }
 }
@@ -1080,120 +1467,120 @@ mod consts {
     #[repr(i32)]
     #[non_exhaustive]
     pub enum Errno {
-        UnknownErrno    = 0,
-        EPERM           = libc::EPERM,
-        ENOENT          = libc::ENOENT,
-        ESRCH           = libc::ESRCH,
-        EINTR           = libc::EINTR,
-        EIO             = libc::EIO,
-        ENXIO           = libc::ENXIO,
-        E2BIG           = libc::E2BIG,
-        ENOEXEC         = libc::ENOEXEC,
-        EBADF           = libc::EBADF,
-        ECHILD          = libc::ECHILD,
-        EDEADLK         = libc::EDEADLK,
-        ENOMEM          = libc::ENOMEM,
-        EACCES          = libc::EACCES,
-        EFAULT          = libc::EFAULT,
-        ENOTBLK         = libc::ENOTBLK,
-        EBUSY           = libc::EBUSY,
-        EEXIST          = libc::EEXIST,
-        EXDEV           = libc::EXDEV,
-        ENODEV          = libc::ENODEV,
-        ENOTDIR         = libc::ENOTDIR,
-        EISDIR          = libc::EISDIR,
-        EINVAL          = libc::EINVAL,
-        ENFILE          = libc::ENFILE,
-        EMFILE          = libc::EMFILE,
-        ENOTTY          = libc::ENOTTY,
-        ETXTBSY         = libc::ETXTBSY,
-        EFBIG           = libc::EFBIG,
-        ENOSPC          = libc::ENOSPC,
-        ESPIPE          = libc::ESPIPE,
-        EROFS           = libc::EROFS,
-        EMLINK          = libc::EMLINK,
-        EPIPE           = libc::EPIPE,
-        EDOM            = libc::EDOM,
-        ERANGE          = libc::ERANGE,
-        EAGAIN          = libc::EAGAIN,
-        EINPROGRESS     = libc::EINPROGRESS,
-        EALREADY        = libc::EALREADY,
-        ENOTSOCK        = libc::ENOTSOCK,
-        EDESTADDRREQ    = libc::EDESTADDRREQ,
-        EMSGSIZE        = libc::EMSGSIZE,
-        EPROTOTYPE      = libc::EPROTOTYPE,
-        ENOPROTOOPT     = libc::ENOPROTOOPT,
+        UnknownErrno = 0,
+        EPERM = libc::EPERM,
+        ENOENT = libc::ENOENT,
+        ESRCH = libc::ESRCH,
+        EINTR = libc::EINTR,
+        EIO = libc::EIO,
+        ENXIO = libc::ENXIO,
+        E2BIG = libc::E2BIG,
+        ENOEXEC = libc::ENOEXEC,
+        EBADF = libc::EBADF,
+        ECHILD = libc::ECHILD,
+        EDEADLK = libc::EDEADLK,
+        ENOMEM = libc::ENOMEM,
+        EACCES = libc::EACCES,
+        EFAULT = libc::EFAULT,
+        ENOTBLK = libc::ENOTBLK,
+        EBUSY = libc::EBUSY,
+        EEXIST = libc::EEXIST,
+        EXDEV = libc::EXDEV,
+        ENODEV = libc::ENODEV,
+        ENOTDIR = libc::ENOTDIR,
+        EISDIR = libc::EISDIR,
+        EINVAL = libc::EINVAL,
+        ENFILE = libc::ENFILE,
+        EMFILE = libc::EMFILE,
+        ENOTTY = libc::ENOTTY,
+        ETXTBSY = libc::ETXTBSY,
+        EFBIG = libc::EFBIG,
+        ENOSPC = libc::ENOSPC,
+        ESPIPE = libc::ESPIPE,
+        EROFS = libc::EROFS,
+        EMLINK = libc::EMLINK,
+        EPIPE = libc::EPIPE,
+        EDOM = libc::EDOM,
+        ERANGE = libc::ERANGE,
+        EAGAIN = libc::EAGAIN,
+        EINPROGRESS = libc::EINPROGRESS,
+        EALREADY = libc::EALREADY,
+        ENOTSOCK = libc::ENOTSOCK,
+        EDESTADDRREQ = libc::EDESTADDRREQ,
+        EMSGSIZE = libc::EMSGSIZE,
+        EPROTOTYPE = libc::EPROTOTYPE,
+        ENOPROTOOPT = libc::ENOPROTOOPT,
         EPROTONOSUPPORT = libc::EPROTONOSUPPORT,
         ESOCKTNOSUPPORT = libc::ESOCKTNOSUPPORT,
-        ENOTSUP         = libc::ENOTSUP,
-        EPFNOSUPPORT    = libc::EPFNOSUPPORT,
-        EAFNOSUPPORT    = libc::EAFNOSUPPORT,
-        EADDRINUSE      = libc::EADDRINUSE,
-        EADDRNOTAVAIL   = libc::EADDRNOTAVAIL,
-        ENETDOWN        = libc::ENETDOWN,
-        ENETUNREACH     = libc::ENETUNREACH,
-        ENETRESET       = libc::ENETRESET,
-        ECONNABORTED    = libc::ECONNABORTED,
-        ECONNRESET      = libc::ECONNRESET,
-        ENOBUFS         = libc::ENOBUFS,
-        EISCONN         = libc::EISCONN,
-        ENOTCONN        = libc::ENOTCONN,
-        ESHUTDOWN       = libc::ESHUTDOWN,
-        ETOOMANYREFS    = libc::ETOOMANYREFS,
-        ETIMEDOUT       = libc::ETIMEDOUT,
-        ECONNREFUSED    = libc::ECONNREFUSED,
-        ELOOP           = libc::ELOOP,
-        ENAMETOOLONG    = libc::ENAMETOOLONG,
-        EHOSTDOWN       = libc::EHOSTDOWN,
-        EHOSTUNREACH    = libc::EHOSTUNREACH,
-        ENOTEMPTY       = libc::ENOTEMPTY,
-        EPROCLIM        = libc::EPROCLIM,
-        EUSERS          = libc::EUSERS,
-        EDQUOT          = libc::EDQUOT,
-        ESTALE          = libc::ESTALE,
-        EREMOTE         = libc::EREMOTE,
-        EBADRPC         = libc::EBADRPC,
-        ERPCMISMATCH    = libc::ERPCMISMATCH,
-        EPROGUNAVAIL    = libc::EPROGUNAVAIL,
-        EPROGMISMATCH   = libc::EPROGMISMATCH,
-        EPROCUNAVAIL    = libc::EPROCUNAVAIL,
-        ENOLCK          = libc::ENOLCK,
-        ENOSYS          = libc::ENOSYS,
-        EFTYPE          = libc::EFTYPE,
-        EAUTH           = libc::EAUTH,
-        ENEEDAUTH       = libc::ENEEDAUTH,
-        EPWROFF         = libc::EPWROFF,
-        EDEVERR         = libc::EDEVERR,
-        EOVERFLOW       = libc::EOVERFLOW,
-        EBADEXEC        = libc::EBADEXEC,
-        EBADARCH        = libc::EBADARCH,
-        ESHLIBVERS      = libc::ESHLIBVERS,
-        EBADMACHO       = libc::EBADMACHO,
-        ECANCELED       = libc::ECANCELED,
-        EIDRM           = libc::EIDRM,
-        ENOMSG          = libc::ENOMSG,
-        EILSEQ          = libc::EILSEQ,
-        ENOATTR         = libc::ENOATTR,
-        EBADMSG         = libc::EBADMSG,
-        EMULTIHOP       = libc::EMULTIHOP,
-        ENODATA         = libc::ENODATA,
-        ENOLINK         = libc::ENOLINK,
-        ENOSR           = libc::ENOSR,
-        ENOSTR          = libc::ENOSTR,
-        EPROTO          = libc::EPROTO,
-        ETIME           = libc::ETIME,
-        EOPNOTSUPP      = libc::EOPNOTSUPP,
-        ENOPOLICY       = libc::ENOPOLICY,
+        ENOTSUP = libc::ENOTSUP,
+        EPFNOSUPPORT = libc::EPFNOSUPPORT,
+        EAFNOSUPPORT = libc::EAFNOSUPPORT,
+        EADDRINUSE = libc::EADDRINUSE,
+        EADDRNOTAVAIL = libc::EADDRNOTAVAIL,
+        ENETDOWN = libc::ENETDOWN,
+        ENETUNREACH = libc::ENETUNREACH,
+        ENETRESET = libc::ENETRESET,
+        ECONNABORTED = libc::ECONNABORTED,
+        ECONNRESET = libc::ECONNRESET,
+        ENOBUFS = libc::ENOBUFS,
+        EISCONN = libc::EISCONN,
+        ENOTCONN = libc::ENOTCONN,
+        ESHUTDOWN = libc::ESHUTDOWN,
+        ETOOMANYREFS = libc::ETOOMANYREFS,
+        ETIMEDOUT = libc::ETIMEDOUT,
+        ECONNREFUSED = libc::ECONNREFUSED,
+        ELOOP = libc::ELOOP,
+        ENAMETOOLONG = libc::ENAMETOOLONG,
+        EHOSTDOWN = libc::EHOSTDOWN,
+        EHOSTUNREACH = libc::EHOSTUNREACH,
+        ENOTEMPTY = libc::ENOTEMPTY,
+        EPROCLIM = libc::EPROCLIM,
+        EUSERS = libc::EUSERS,
+        EDQUOT = libc::EDQUOT,
+        ESTALE = libc::ESTALE,
+        EREMOTE = libc::EREMOTE,
+        EBADRPC = libc::EBADRPC,
+        ERPCMISMATCH = libc::ERPCMISMATCH,
+        EPROGUNAVAIL = libc::EPROGUNAVAIL,
+        EPROGMISMATCH = libc::EPROGMISMATCH,
+        EPROCUNAVAIL = libc::EPROCUNAVAIL,
+        ENOLCK = libc::ENOLCK,
+        ENOSYS = libc::ENOSYS,
+        EFTYPE = libc::EFTYPE,
+        EAUTH = libc::EAUTH,
+        ENEEDAUTH = libc::ENEEDAUTH,
+        EPWROFF = libc::EPWROFF,
+        EDEVERR = libc::EDEVERR,
+        EOVERFLOW = libc::EOVERFLOW,
+        EBADEXEC = libc::EBADEXEC,
+        EBADARCH = libc::EBADARCH,
+        ESHLIBVERS = libc::ESHLIBVERS,
+        EBADMACHO = libc::EBADMACHO,
+        ECANCELED = libc::ECANCELED,
+        EIDRM = libc::EIDRM,
+        ENOMSG = libc::ENOMSG,
+        EILSEQ = libc::EILSEQ,
+        ENOATTR = libc::ENOATTR,
+        EBADMSG = libc::EBADMSG,
+        EMULTIHOP = libc::EMULTIHOP,
+        ENODATA = libc::ENODATA,
+        ENOLINK = libc::ENOLINK,
+        ENOSR = libc::ENOSR,
+        ENOSTR = libc::ENOSTR,
+        EPROTO = libc::EPROTO,
+        ETIME = libc::ETIME,
+        EOPNOTSUPP = libc::EOPNOTSUPP,
+        ENOPOLICY = libc::ENOPOLICY,
         ENOTRECOVERABLE = libc::ENOTRECOVERABLE,
-        EOWNERDEAD      = libc::EOWNERDEAD,
-        EQFULL          = libc::EQFULL,
+        EOWNERDEAD = libc::EOWNERDEAD,
+        EQFULL = libc::EQFULL,
     }
 
     #[deprecated(
         since = "0.22.1",
         note = "use nix::errno::Errno::ELAST instead"
     )]
-    pub const ELAST:  Errno = Errno::EQFULL;
+    pub const ELAST: Errno = Errno::EQFULL;
     #[deprecated(
         since = "0.22.1",
         note = "use nix::errno::Errno::EWOULDBLOCK instead"
@@ -1203,12 +1590,12 @@ mod consts {
         since = "0.22.1",
         note = "use nix::errno::Errno::EDEADLOCK instead"
     )]
-    pub const EDEADLOCK:   Errno = Errno::EDEADLK;
+    pub const EDEADLOCK: Errno = Errno::EDEADLK;
 
     impl Errno {
-        pub const ELAST: Errno       = Errno::EQFULL;
+        pub const ELAST: Errno = Errno::EQFULL;
         pub const EWOULDBLOCK: Errno = Errno::EAGAIN;
-        pub const EDEADLOCK:   Errno = Errno::EDEADLK;
+        pub const EDEADLOCK: Errno = Errno::EDEADLK;
     }
 
     pub const fn from_i32(e: i32) -> Errno {
@@ -1321,7 +1708,7 @@ mod consts {
             libc::ENOTRECOVERABLE => ENOTRECOVERABLE,
             libc::EOWNERDEAD => EOWNERDEAD,
             libc::EQFULL => EQFULL,
-            _   => UnknownErrno,
+            _ => UnknownErrno,
         }
     }
 }
@@ -1332,110 +1719,110 @@ mod consts {
     #[repr(i32)]
     #[non_exhaustive]
     pub enum Errno {
-        UnknownErrno    = 0,
-        EPERM           = libc::EPERM,
-        ENOENT          = libc::ENOENT,
-        ESRCH           = libc::ESRCH,
-        EINTR           = libc::EINTR,
-        EIO             = libc::EIO,
-        ENXIO           = libc::ENXIO,
-        E2BIG           = libc::E2BIG,
-        ENOEXEC         = libc::ENOEXEC,
-        EBADF           = libc::EBADF,
-        ECHILD          = libc::ECHILD,
-        EDEADLK         = libc::EDEADLK,
-        ENOMEM          = libc::ENOMEM,
-        EACCES          = libc::EACCES,
-        EFAULT          = libc::EFAULT,
-        ENOTBLK         = libc::ENOTBLK,
-        EBUSY           = libc::EBUSY,
-        EEXIST          = libc::EEXIST,
-        EXDEV           = libc::EXDEV,
-        ENODEV          = libc::ENODEV,
-        ENOTDIR         = libc::ENOTDIR,
-        EISDIR          = libc::EISDIR,
-        EINVAL          = libc::EINVAL,
-        ENFILE          = libc::ENFILE,
-        EMFILE          = libc::EMFILE,
-        ENOTTY          = libc::ENOTTY,
-        ETXTBSY         = libc::ETXTBSY,
-        EFBIG           = libc::EFBIG,
-        ENOSPC          = libc::ENOSPC,
-        ESPIPE          = libc::ESPIPE,
-        EROFS           = libc::EROFS,
-        EMLINK          = libc::EMLINK,
-        EPIPE           = libc::EPIPE,
-        EDOM            = libc::EDOM,
-        ERANGE          = libc::ERANGE,
-        EAGAIN          = libc::EAGAIN,
-        EINPROGRESS     = libc::EINPROGRESS,
-        EALREADY        = libc::EALREADY,
-        ENOTSOCK        = libc::ENOTSOCK,
-        EDESTADDRREQ    = libc::EDESTADDRREQ,
-        EMSGSIZE        = libc::EMSGSIZE,
-        EPROTOTYPE      = libc::EPROTOTYPE,
-        ENOPROTOOPT     = libc::ENOPROTOOPT,
+        UnknownErrno = 0,
+        EPERM = libc::EPERM,
+        ENOENT = libc::ENOENT,
+        ESRCH = libc::ESRCH,
+        EINTR = libc::EINTR,
+        EIO = libc::EIO,
+        ENXIO = libc::ENXIO,
+        E2BIG = libc::E2BIG,
+        ENOEXEC = libc::ENOEXEC,
+        EBADF = libc::EBADF,
+        ECHILD = libc::ECHILD,
+        EDEADLK = libc::EDEADLK,
+        ENOMEM = libc::ENOMEM,
+        EACCES = libc::EACCES,
+        EFAULT = libc::EFAULT,
+        ENOTBLK = libc::ENOTBLK,
+        EBUSY = libc::EBUSY,
+        EEXIST = libc::EEXIST,
+        EXDEV = libc::EXDEV,
+        ENODEV = libc::ENODEV,
+        ENOTDIR = libc::ENOTDIR,
+        EISDIR = libc::EISDIR,
+        EINVAL = libc::EINVAL,
+        ENFILE = libc::ENFILE,
+        EMFILE = libc::EMFILE,
+        ENOTTY = libc::ENOTTY,
+        ETXTBSY = libc::ETXTBSY,
+        EFBIG = libc::EFBIG,
+        ENOSPC = libc::ENOSPC,
+        ESPIPE = libc::ESPIPE,
+        EROFS = libc::EROFS,
+        EMLINK = libc::EMLINK,
+        EPIPE = libc::EPIPE,
+        EDOM = libc::EDOM,
+        ERANGE = libc::ERANGE,
+        EAGAIN = libc::EAGAIN,
+        EINPROGRESS = libc::EINPROGRESS,
+        EALREADY = libc::EALREADY,
+        ENOTSOCK = libc::ENOTSOCK,
+        EDESTADDRREQ = libc::EDESTADDRREQ,
+        EMSGSIZE = libc::EMSGSIZE,
+        EPROTOTYPE = libc::EPROTOTYPE,
+        ENOPROTOOPT = libc::ENOPROTOOPT,
         EPROTONOSUPPORT = libc::EPROTONOSUPPORT,
         ESOCKTNOSUPPORT = libc::ESOCKTNOSUPPORT,
-        ENOTSUP         = libc::ENOTSUP,
-        EPFNOSUPPORT    = libc::EPFNOSUPPORT,
-        EAFNOSUPPORT    = libc::EAFNOSUPPORT,
-        EADDRINUSE      = libc::EADDRINUSE,
-        EADDRNOTAVAIL   = libc::EADDRNOTAVAIL,
-        ENETDOWN        = libc::ENETDOWN,
-        ENETUNREACH     = libc::ENETUNREACH,
-        ENETRESET       = libc::ENETRESET,
-        ECONNABORTED    = libc::ECONNABORTED,
-        ECONNRESET      = libc::ECONNRESET,
-        ENOBUFS         = libc::ENOBUFS,
-        EISCONN         = libc::EISCONN,
-        ENOTCONN        = libc::ENOTCONN,
-        ESHUTDOWN       = libc::ESHUTDOWN,
-        ETOOMANYREFS    = libc::ETOOMANYREFS,
-        ETIMEDOUT       = libc::ETIMEDOUT,
-        ECONNREFUSED    = libc::ECONNREFUSED,
-        ELOOP           = libc::ELOOP,
-        ENAMETOOLONG    = libc::ENAMETOOLONG,
-        EHOSTDOWN       = libc::EHOSTDOWN,
-        EHOSTUNREACH    = libc::EHOSTUNREACH,
-        ENOTEMPTY       = libc::ENOTEMPTY,
-        EPROCLIM        = libc::EPROCLIM,
-        EUSERS          = libc::EUSERS,
-        EDQUOT          = libc::EDQUOT,
-        ESTALE          = libc::ESTALE,
-        EREMOTE         = libc::EREMOTE,
-        EBADRPC         = libc::EBADRPC,
-        ERPCMISMATCH    = libc::ERPCMISMATCH,
-        EPROGUNAVAIL    = libc::EPROGUNAVAIL,
-        EPROGMISMATCH   = libc::EPROGMISMATCH,
-        EPROCUNAVAIL    = libc::EPROCUNAVAIL,
-        ENOLCK          = libc::ENOLCK,
-        ENOSYS          = libc::ENOSYS,
-        EFTYPE          = libc::EFTYPE,
-        EAUTH           = libc::EAUTH,
-        ENEEDAUTH       = libc::ENEEDAUTH,
-        EIDRM           = libc::EIDRM,
-        ENOMSG          = libc::ENOMSG,
-        EOVERFLOW       = libc::EOVERFLOW,
-        ECANCELED       = libc::ECANCELED,
-        EILSEQ          = libc::EILSEQ,
-        ENOATTR         = libc::ENOATTR,
-        EDOOFUS         = libc::EDOOFUS,
-        EBADMSG         = libc::EBADMSG,
-        EMULTIHOP       = libc::EMULTIHOP,
-        ENOLINK         = libc::ENOLINK,
-        EPROTO          = libc::EPROTO,
-        ENOTCAPABLE     = libc::ENOTCAPABLE,
-        ECAPMODE        = libc::ECAPMODE,
+        ENOTSUP = libc::ENOTSUP,
+        EPFNOSUPPORT = libc::EPFNOSUPPORT,
+        EAFNOSUPPORT = libc::EAFNOSUPPORT,
+        EADDRINUSE = libc::EADDRINUSE,
+        EADDRNOTAVAIL = libc::EADDRNOTAVAIL,
+        ENETDOWN = libc::ENETDOWN,
+        ENETUNREACH = libc::ENETUNREACH,
+        ENETRESET = libc::ENETRESET,
+        ECONNABORTED = libc::ECONNABORTED,
+        ECONNRESET = libc::ECONNRESET,
+        ENOBUFS = libc::ENOBUFS,
+        EISCONN = libc::EISCONN,
+        ENOTCONN = libc::ENOTCONN,
+        ESHUTDOWN = libc::ESHUTDOWN,
+        ETOOMANYREFS = libc::ETOOMANYREFS,
+        ETIMEDOUT = libc::ETIMEDOUT,
+        ECONNREFUSED = libc::ECONNREFUSED,
+        ELOOP = libc::ELOOP,
+        ENAMETOOLONG = libc::ENAMETOOLONG,
+        EHOSTDOWN = libc::EHOSTDOWN,
+        EHOSTUNREACH = libc::EHOSTUNREACH,
+        ENOTEMPTY = libc::ENOTEMPTY,
+        EPROCLIM = libc::EPROCLIM,
+        EUSERS = libc::EUSERS,
+        EDQUOT = libc::EDQUOT,
+        ESTALE = libc::ESTALE,
+        EREMOTE = libc::EREMOTE,
+        EBADRPC = libc::EBADRPC,
+        ERPCMISMATCH = libc::ERPCMISMATCH,
+        EPROGUNAVAIL = libc::EPROGUNAVAIL,
+        EPROGMISMATCH = libc::EPROGMISMATCH,
+        EPROCUNAVAIL = libc::EPROCUNAVAIL,
+        ENOLCK = libc::ENOLCK,
+        ENOSYS = libc::ENOSYS,
+        EFTYPE = libc::EFTYPE,
+        EAUTH = libc::EAUTH,
+        ENEEDAUTH = libc::ENEEDAUTH,
+        EIDRM = libc::EIDRM,
+        ENOMSG = libc::ENOMSG,
+        EOVERFLOW = libc::EOVERFLOW,
+        ECANCELED = libc::ECANCELED,
+        EILSEQ = libc::EILSEQ,
+        ENOATTR = libc::ENOATTR,
+        EDOOFUS = libc::EDOOFUS,
+        EBADMSG = libc::EBADMSG,
+        EMULTIHOP = libc::EMULTIHOP,
+        ENOLINK = libc::ENOLINK,
+        EPROTO = libc::EPROTO,
+        ENOTCAPABLE = libc::ENOTCAPABLE,
+        ECAPMODE = libc::ECAPMODE,
         ENOTRECOVERABLE = libc::ENOTRECOVERABLE,
-        EOWNERDEAD      = libc::EOWNERDEAD,
+        EOWNERDEAD = libc::EOWNERDEAD,
     }
 
     #[deprecated(
         since = "0.22.1",
         note = "use nix::errno::Errno::ELAST instead"
     )]
-    pub const ELAST: Errno       = Errno::EOWNERDEAD;
+    pub const ELAST: Errno = Errno::EOWNERDEAD;
     #[deprecated(
         since = "0.22.1",
         note = "use nix::errno::Errno::EWOULDBLOCK instead"
@@ -1445,18 +1832,18 @@ mod consts {
         since = "0.22.1",
         note = "use nix::errno::Errno::EDEADLOCK instead"
     )]
-    pub const EDEADLOCK:   Errno = Errno::EDEADLK;
+    pub const EDEADLOCK: Errno = Errno::EDEADLK;
     #[deprecated(
         since = "0.22.1",
         note = "use nix::errno::Errno::EOPNOTSUPP instead"
     )]
-    pub const EOPNOTSUPP:  Errno = Errno::ENOTSUP;
+    pub const EOPNOTSUPP: Errno = Errno::ENOTSUP;
 
     impl Errno {
-        pub const ELAST: Errno       = Errno::EOWNERDEAD;
+        pub const ELAST: Errno = Errno::EOWNERDEAD;
         pub const EWOULDBLOCK: Errno = Errno::EAGAIN;
-        pub const EDEADLOCK:   Errno = Errno::EDEADLK;
-        pub const EOPNOTSUPP:  Errno = Errno::ENOTSUP;
+        pub const EDEADLOCK: Errno = Errno::EDEADLK;
+        pub const EOPNOTSUPP: Errno = Errno::ENOTSUP;
     }
 
     pub const fn from_i32(e: i32) -> Errno {
@@ -1559,122 +1946,121 @@ mod consts {
             libc::ECAPMODE => ECAPMODE,
             libc::ENOTRECOVERABLE => ENOTRECOVERABLE,
             libc::EOWNERDEAD => EOWNERDEAD,
-            _   => UnknownErrno,
+            _ => UnknownErrno,
         }
     }
 }
 
-
 #[cfg(target_os = "dragonfly")]
 mod consts {
     #[derive(Clone, Copy, Debug, Eq, PartialEq)]
     #[repr(i32)]
     #[non_exhaustive]
     pub enum Errno {
-        UnknownErrno    = 0,
-        EPERM           = libc::EPERM,
-        ENOENT          = libc::ENOENT,
-        ESRCH           = libc::ESRCH,
-        EINTR           = libc::EINTR,
-        EIO             = libc::EIO,
-        ENXIO           = libc::ENXIO,
-        E2BIG           = libc::E2BIG,
-        ENOEXEC         = libc::ENOEXEC,
-        EBADF           = libc::EBADF,
-        ECHILD          = libc::ECHILD,
-        EDEADLK         = libc::EDEADLK,
-        ENOMEM          = libc::ENOMEM,
-        EACCES          = libc::EACCES,
-        EFAULT          = libc::EFAULT,
-        ENOTBLK         = libc::ENOTBLK,
-        EBUSY           = libc::EBUSY,
-        EEXIST          = libc::EEXIST,
-        EXDEV           = libc::EXDEV,
-        ENODEV          = libc::ENODEV,
-        ENOTDIR         = libc::ENOTDIR,
-        EISDIR          = libc::EISDIR,
-        EINVAL          = libc::EINVAL,
-        ENFILE          = libc::ENFILE,
-        EMFILE          = libc::EMFILE,
-        ENOTTY          = libc::ENOTTY,
-        ETXTBSY         = libc::ETXTBSY,
-        EFBIG           = libc::EFBIG,
-        ENOSPC          = libc::ENOSPC,
-        ESPIPE          = libc::ESPIPE,
-        EROFS           = libc::EROFS,
-        EMLINK          = libc::EMLINK,
-        EPIPE           = libc::EPIPE,
-        EDOM            = libc::EDOM,
-        ERANGE          = libc::ERANGE,
-        EAGAIN          = libc::EAGAIN,
-        EINPROGRESS     = libc::EINPROGRESS,
-        EALREADY        = libc::EALREADY,
-        ENOTSOCK        = libc::ENOTSOCK,
-        EDESTADDRREQ    = libc::EDESTADDRREQ,
-        EMSGSIZE        = libc::EMSGSIZE,
-        EPROTOTYPE      = libc::EPROTOTYPE,
-        ENOPROTOOPT     = libc::ENOPROTOOPT,
+        UnknownErrno = 0,
+        EPERM = libc::EPERM,
+        ENOENT = libc::ENOENT,
+        ESRCH = libc::ESRCH,
+        EINTR = libc::EINTR,
+        EIO = libc::EIO,
+        ENXIO = libc::ENXIO,
+        E2BIG = libc::E2BIG,
+        ENOEXEC = libc::ENOEXEC,
+        EBADF = libc::EBADF,
+        ECHILD = libc::ECHILD,
+        EDEADLK = libc::EDEADLK,
+        ENOMEM = libc::ENOMEM,
+        EACCES = libc::EACCES,
+        EFAULT = libc::EFAULT,
+        ENOTBLK = libc::ENOTBLK,
+        EBUSY = libc::EBUSY,
+        EEXIST = libc::EEXIST,
+        EXDEV = libc::EXDEV,
+        ENODEV = libc::ENODEV,
+        ENOTDIR = libc::ENOTDIR,
+        EISDIR = libc::EISDIR,
+        EINVAL = libc::EINVAL,
+        ENFILE = libc::ENFILE,
+        EMFILE = libc::EMFILE,
+        ENOTTY = libc::ENOTTY,
+        ETXTBSY = libc::ETXTBSY,
+        EFBIG = libc::EFBIG,
+        ENOSPC = libc::ENOSPC,
+        ESPIPE = libc::ESPIPE,
+        EROFS = libc::EROFS,
+        EMLINK = libc::EMLINK,
+        EPIPE = libc::EPIPE,
+        EDOM = libc::EDOM,
+        ERANGE = libc::ERANGE,
+        EAGAIN = libc::EAGAIN,
+        EINPROGRESS = libc::EINPROGRESS,
+        EALREADY = libc::EALREADY,
+        ENOTSOCK = libc::ENOTSOCK,
+        EDESTADDRREQ = libc::EDESTADDRREQ,
+        EMSGSIZE = libc::EMSGSIZE,
+        EPROTOTYPE = libc::EPROTOTYPE,
+        ENOPROTOOPT = libc::ENOPROTOOPT,
         EPROTONOSUPPORT = libc::EPROTONOSUPPORT,
         ESOCKTNOSUPPORT = libc::ESOCKTNOSUPPORT,
-        ENOTSUP         = libc::ENOTSUP,
-        EPFNOSUPPORT    = libc::EPFNOSUPPORT,
-        EAFNOSUPPORT    = libc::EAFNOSUPPORT,
-        EADDRINUSE      = libc::EADDRINUSE,
-        EADDRNOTAVAIL   = libc::EADDRNOTAVAIL,
-        ENETDOWN        = libc::ENETDOWN,
-        ENETUNREACH     = libc::ENETUNREACH,
-        ENETRESET       = libc::ENETRESET,
-        ECONNABORTED    = libc::ECONNABORTED,
-        ECONNRESET      = libc::ECONNRESET,
-        ENOBUFS         = libc::ENOBUFS,
-        EISCONN         = libc::EISCONN,
-        ENOTCONN        = libc::ENOTCONN,
-        ESHUTDOWN       = libc::ESHUTDOWN,
-        ETOOMANYREFS    = libc::ETOOMANYREFS,
-        ETIMEDOUT       = libc::ETIMEDOUT,
-        ECONNREFUSED    = libc::ECONNREFUSED,
-        ELOOP           = libc::ELOOP,
-        ENAMETOOLONG    = libc::ENAMETOOLONG,
-        EHOSTDOWN       = libc::EHOSTDOWN,
-        EHOSTUNREACH    = libc::EHOSTUNREACH,
-        ENOTEMPTY       = libc::ENOTEMPTY,
-        EPROCLIM        = libc::EPROCLIM,
-        EUSERS          = libc::EUSERS,
-        EDQUOT          = libc::EDQUOT,
-        ESTALE          = libc::ESTALE,
-        EREMOTE         = libc::EREMOTE,
-        EBADRPC         = libc::EBADRPC,
-        ERPCMISMATCH    = libc::ERPCMISMATCH,
-        EPROGUNAVAIL    = libc::EPROGUNAVAIL,
-        EPROGMISMATCH   = libc::EPROGMISMATCH,
-        EPROCUNAVAIL    = libc::EPROCUNAVAIL,
-        ENOLCK          = libc::ENOLCK,
-        ENOSYS          = libc::ENOSYS,
-        EFTYPE          = libc::EFTYPE,
-        EAUTH           = libc::EAUTH,
-        ENEEDAUTH       = libc::ENEEDAUTH,
-        EIDRM           = libc::EIDRM,
-        ENOMSG          = libc::ENOMSG,
-        EOVERFLOW       = libc::EOVERFLOW,
-        ECANCELED       = libc::ECANCELED,
-        EILSEQ          = libc::EILSEQ,
-        ENOATTR         = libc::ENOATTR,
-        EDOOFUS         = libc::EDOOFUS,
-        EBADMSG         = libc::EBADMSG,
-        EMULTIHOP       = libc::EMULTIHOP,
-        ENOLINK         = libc::ENOLINK,
-        EPROTO          = libc::EPROTO,
-        ENOMEDIUM       = libc::ENOMEDIUM,
+        ENOTSUP = libc::ENOTSUP,
+        EPFNOSUPPORT = libc::EPFNOSUPPORT,
+        EAFNOSUPPORT = libc::EAFNOSUPPORT,
+        EADDRINUSE = libc::EADDRINUSE,
+        EADDRNOTAVAIL = libc::EADDRNOTAVAIL,
+        ENETDOWN = libc::ENETDOWN,
+        ENETUNREACH = libc::ENETUNREACH,
+        ENETRESET = libc::ENETRESET,
+        ECONNABORTED = libc::ECONNABORTED,
+        ECONNRESET = libc::ECONNRESET,
+        ENOBUFS = libc::ENOBUFS,
+        EISCONN = libc::EISCONN,
+        ENOTCONN = libc::ENOTCONN,
+        ESHUTDOWN = libc::ESHUTDOWN,
+        ETOOMANYREFS = libc::ETOOMANYREFS,
+        ETIMEDOUT = libc::ETIMEDOUT,
+        ECONNREFUSED = libc::ECONNREFUSED,
+        ELOOP = libc::ELOOP,
+        ENAMETOOLONG = libc::ENAMETOOLONG,
+        EHOSTDOWN = libc::EHOSTDOWN,
+        EHOSTUNREACH = libc::EHOSTUNREACH,
+        ENOTEMPTY = libc::ENOTEMPTY,
+        EPROCLIM = libc::EPROCLIM,
+        EUSERS = libc::EUSERS,
+        EDQUOT = libc::EDQUOT,
+        ESTALE = libc::ESTALE,
+        EREMOTE = libc::EREMOTE,
+        EBADRPC = libc::EBADRPC,
+        ERPCMISMATCH = libc::ERPCMISMATCH,
+        EPROGUNAVAIL = libc::EPROGUNAVAIL,
+        EPROGMISMATCH = libc::EPROGMISMATCH,
+        EPROCUNAVAIL = libc::EPROCUNAVAIL,
+        ENOLCK = libc::ENOLCK,
+        ENOSYS = libc::ENOSYS,
+        EFTYPE = libc::EFTYPE,
+        EAUTH = libc::EAUTH,
+        ENEEDAUTH = libc::ENEEDAUTH,
+        EIDRM = libc::EIDRM,
+        ENOMSG = libc::ENOMSG,
+        EOVERFLOW = libc::EOVERFLOW,
+        ECANCELED = libc::ECANCELED,
+        EILSEQ = libc::EILSEQ,
+        ENOATTR = libc::ENOATTR,
+        EDOOFUS = libc::EDOOFUS,
+        EBADMSG = libc::EBADMSG,
+        EMULTIHOP = libc::EMULTIHOP,
+        ENOLINK = libc::ENOLINK,
+        EPROTO = libc::EPROTO,
+        ENOMEDIUM = libc::ENOMEDIUM,
         ENOTRECOVERABLE = libc::ENOTRECOVERABLE,
-        EOWNERDEAD      = libc::EOWNERDEAD,
-        EASYNC          = libc::EASYNC,
+        EOWNERDEAD = libc::EOWNERDEAD,
+        EASYNC = libc::EASYNC,
     }
 
     #[deprecated(
         since = "0.22.1",
         note = "use nix::errno::Errno::ELAST instead"
     )]
-    pub const ELAST: Errno       = Errno::EASYNC;
+    pub const ELAST: Errno = Errno::EASYNC;
     #[deprecated(
         since = "0.22.1",
         note = "use nix::errno::Errno::EWOULDBLOCK instead"
@@ -1684,18 +2070,18 @@ mod consts {
         since = "0.22.1",
         note = "use nix::errno::Errno::EDEADLOCK instead"
     )]
-    pub const EDEADLOCK:   Errno = Errno::EDEADLK;
+    pub const EDEADLOCK: Errno = Errno::EDEADLK;
     #[deprecated(
         since = "0.22.1",
         note = "use nix::errno::Errno::EOPNOTSUPP instead"
     )]
-    pub const EOPNOTSUPP:  Errno = Errno::ENOTSUP;
+    pub const EOPNOTSUPP: Errno = Errno::ENOTSUP;
 
     impl Errno {
-        pub const ELAST: Errno       = Errno::EASYNC;
+        pub const ELAST: Errno = Errno::EASYNC;
         pub const EWOULDBLOCK: Errno = Errno::EAGAIN;
-        pub const EDEADLOCK:   Errno = Errno::EDEADLK;
-        pub const EOPNOTSUPP:  Errno = Errno::ENOTSUP;
+        pub const EDEADLOCK: Errno = Errno::EDEADLK;
+        pub const EOPNOTSUPP: Errno = Errno::ENOTSUP;
     }
 
     pub const fn from_i32(e: i32) -> Errno {
@@ -1722,7 +2108,7 @@ mod consts {
             libc::EXDEV => EXDEV,
             libc::ENODEV => ENODEV,
             libc::ENOTDIR => ENOTDIR,
-            libc::EISDIR=> EISDIR,
+            libc::EISDIR => EISDIR,
             libc::EINVAL => EINVAL,
             libc::ENFILE => ENFILE,
             libc::EMFILE => EMFILE,
@@ -1796,121 +2182,120 @@ mod consts {
             libc::EPROTO => EPROTO,
             libc::ENOMEDIUM => ENOMEDIUM,
             libc::EASYNC => EASYNC,
-            _   => UnknownErrno,
+            _ => UnknownErrno,
         }
     }
 }
 
-
 #[cfg(target_os = "openbsd")]
 mod consts {
     #[derive(Clone, Copy, Debug, Eq, PartialEq)]
     #[repr(i32)]
     #[non_exhaustive]
     pub enum Errno {
-        UnknownErrno    = 0,
-        EPERM           = libc::EPERM,
-        ENOENT          = libc::ENOENT,
-        ESRCH           = libc::ESRCH,
-        EINTR           = libc::EINTR,
-        EIO             = libc::EIO,
-        ENXIO           = libc::ENXIO,
-        E2BIG           = libc::E2BIG,
-        ENOEXEC         = libc::ENOEXEC,
-        EBADF           = libc::EBADF,
-        ECHILD          = libc::ECHILD,
-        EDEADLK         = libc::EDEADLK,
-        ENOMEM          = libc::ENOMEM,
-        EACCES          = libc::EACCES,
-        EFAULT          = libc::EFAULT,
-        ENOTBLK         = libc::ENOTBLK,
-        EBUSY           = libc::EBUSY,
-        EEXIST          = libc::EEXIST,
-        EXDEV           = libc::EXDEV,
-        ENODEV          = libc::ENODEV,
-        ENOTDIR         = libc::ENOTDIR,
-        EISDIR          = libc::EISDIR,
-        EINVAL          = libc::EINVAL,
-        ENFILE          = libc::ENFILE,
-        EMFILE          = libc::EMFILE,
-        ENOTTY          = libc::ENOTTY,
-        ETXTBSY         = libc::ETXTBSY,
-        EFBIG           = libc::EFBIG,
-        ENOSPC          = libc::ENOSPC,
-        ESPIPE          = libc::ESPIPE,
-        EROFS           = libc::EROFS,
-        EMLINK          = libc::EMLINK,
-        EPIPE           = libc::EPIPE,
-        EDOM            = libc::EDOM,
-        ERANGE          = libc::ERANGE,
-        EAGAIN          = libc::EAGAIN,
-        EINPROGRESS     = libc::EINPROGRESS,
-        EALREADY        = libc::EALREADY,
-        ENOTSOCK        = libc::ENOTSOCK,
-        EDESTADDRREQ    = libc::EDESTADDRREQ,
-        EMSGSIZE        = libc::EMSGSIZE,
-        EPROTOTYPE      = libc::EPROTOTYPE,
-        ENOPROTOOPT     = libc::ENOPROTOOPT,
+        UnknownErrno = 0,
+        EPERM = libc::EPERM,
+        ENOENT = libc::ENOENT,
+        ESRCH = libc::ESRCH,
+        EINTR = libc::EINTR,
+        EIO = libc::EIO,
+        ENXIO = libc::ENXIO,
+        E2BIG = libc::E2BIG,
+        ENOEXEC = libc::ENOEXEC,
+        EBADF = libc::EBADF,
+        ECHILD = libc::ECHILD,
+        EDEADLK = libc::EDEADLK,
+        ENOMEM = libc::ENOMEM,
+        EACCES = libc::EACCES,
+        EFAULT = libc::EFAULT,
+        ENOTBLK = libc::ENOTBLK,
+        EBUSY = libc::EBUSY,
+        EEXIST = libc::EEXIST,
+        EXDEV = libc::EXDEV,
+        ENODEV = libc::ENODEV,
+        ENOTDIR = libc::ENOTDIR,
+        EISDIR = libc::EISDIR,
+        EINVAL = libc::EINVAL,
+        ENFILE = libc::ENFILE,
+        EMFILE = libc::EMFILE,
+        ENOTTY = libc::ENOTTY,
+        ETXTBSY = libc::ETXTBSY,
+        EFBIG = libc::EFBIG,
+        ENOSPC = libc::ENOSPC,
+        ESPIPE = libc::ESPIPE,
+        EROFS = libc::EROFS,
+        EMLINK = libc::EMLINK,
+        EPIPE = libc::EPIPE,
+        EDOM = libc::EDOM,
+        ERANGE = libc::ERANGE,
+        EAGAIN = libc::EAGAIN,
+        EINPROGRESS = libc::EINPROGRESS,
+        EALREADY = libc::EALREADY,
+        ENOTSOCK = libc::ENOTSOCK,
+        EDESTADDRREQ = libc::EDESTADDRREQ,
+        EMSGSIZE = libc::EMSGSIZE,
+        EPROTOTYPE = libc::EPROTOTYPE,
+        ENOPROTOOPT = libc::ENOPROTOOPT,
         EPROTONOSUPPORT = libc::EPROTONOSUPPORT,
         ESOCKTNOSUPPORT = libc::ESOCKTNOSUPPORT,
-        EOPNOTSUPP      = libc::EOPNOTSUPP,
-        EPFNOSUPPORT    = libc::EPFNOSUPPORT,
-        EAFNOSUPPORT    = libc::EAFNOSUPPORT,
-        EADDRINUSE      = libc::EADDRINUSE,
-        EADDRNOTAVAIL   = libc::EADDRNOTAVAIL,
-        ENETDOWN        = libc::ENETDOWN,
-        ENETUNREACH     = libc::ENETUNREACH,
-        ENETRESET       = libc::ENETRESET,
-        ECONNABORTED    = libc::ECONNABORTED,
-        ECONNRESET      = libc::ECONNRESET,
-        ENOBUFS         = libc::ENOBUFS,
-        EISCONN         = libc::EISCONN,
-        ENOTCONN        = libc::ENOTCONN,
-        ESHUTDOWN       = libc::ESHUTDOWN,
-        ETOOMANYREFS    = libc::ETOOMANYREFS,
-        ETIMEDOUT       = libc::ETIMEDOUT,
-        ECONNREFUSED    = libc::ECONNREFUSED,
-        ELOOP           = libc::ELOOP,
-        ENAMETOOLONG    = libc::ENAMETOOLONG,
-        EHOSTDOWN       = libc::EHOSTDOWN,
-        EHOSTUNREACH    = libc::EHOSTUNREACH,
-        ENOTEMPTY       = libc::ENOTEMPTY,
-        EPROCLIM        = libc::EPROCLIM,
-        EUSERS          = libc::EUSERS,
-        EDQUOT          = libc::EDQUOT,
-        ESTALE          = libc::ESTALE,
-        EREMOTE         = libc::EREMOTE,
-        EBADRPC         = libc::EBADRPC,
-        ERPCMISMATCH    = libc::ERPCMISMATCH,
-        EPROGUNAVAIL    = libc::EPROGUNAVAIL,
-        EPROGMISMATCH   = libc::EPROGMISMATCH,
-        EPROCUNAVAIL    = libc::EPROCUNAVAIL,
-        ENOLCK          = libc::ENOLCK,
-        ENOSYS          = libc::ENOSYS,
-        EFTYPE          = libc::EFTYPE,
-        EAUTH           = libc::EAUTH,
-        ENEEDAUTH       = libc::ENEEDAUTH,
-        EIPSEC          = libc::EIPSEC,
-        ENOATTR         = libc::ENOATTR,
-        EILSEQ          = libc::EILSEQ,
-        ENOMEDIUM       = libc::ENOMEDIUM,
-        EMEDIUMTYPE     = libc::EMEDIUMTYPE,
-        EOVERFLOW       = libc::EOVERFLOW,
-        ECANCELED       = libc::ECANCELED,
-        EIDRM           = libc::EIDRM,
-        ENOMSG          = libc::ENOMSG,
-        ENOTSUP         = libc::ENOTSUP,
-        EBADMSG         = libc::EBADMSG,
+        EOPNOTSUPP = libc::EOPNOTSUPP,
+        EPFNOSUPPORT = libc::EPFNOSUPPORT,
+        EAFNOSUPPORT = libc::EAFNOSUPPORT,
+        EADDRINUSE = libc::EADDRINUSE,
+        EADDRNOTAVAIL = libc::EADDRNOTAVAIL,
+        ENETDOWN = libc::ENETDOWN,
+        ENETUNREACH = libc::ENETUNREACH,
+        ENETRESET = libc::ENETRESET,
+        ECONNABORTED = libc::ECONNABORTED,
+        ECONNRESET = libc::ECONNRESET,
+        ENOBUFS = libc::ENOBUFS,
+        EISCONN = libc::EISCONN,
+        ENOTCONN = libc::ENOTCONN,
+        ESHUTDOWN = libc::ESHUTDOWN,
+        ETOOMANYREFS = libc::ETOOMANYREFS,
+        ETIMEDOUT = libc::ETIMEDOUT,
+        ECONNREFUSED = libc::ECONNREFUSED,
+        ELOOP = libc::ELOOP,
+        ENAMETOOLONG = libc::ENAMETOOLONG,
+        EHOSTDOWN = libc::EHOSTDOWN,
+        EHOSTUNREACH = libc::EHOSTUNREACH,
+        ENOTEMPTY = libc::ENOTEMPTY,
+        EPROCLIM = libc::EPROCLIM,
+        EUSERS = libc::EUSERS,
+        EDQUOT = libc::EDQUOT,
+        ESTALE = libc::ESTALE,
+        EREMOTE = libc::EREMOTE,
+        EBADRPC = libc::EBADRPC,
+        ERPCMISMATCH = libc::ERPCMISMATCH,
+        EPROGUNAVAIL = libc::EPROGUNAVAIL,
+        EPROGMISMATCH = libc::EPROGMISMATCH,
+        EPROCUNAVAIL = libc::EPROCUNAVAIL,
+        ENOLCK = libc::ENOLCK,
+        ENOSYS = libc::ENOSYS,
+        EFTYPE = libc::EFTYPE,
+        EAUTH = libc::EAUTH,
+        ENEEDAUTH = libc::ENEEDAUTH,
+        EIPSEC = libc::EIPSEC,
+        ENOATTR = libc::ENOATTR,
+        EILSEQ = libc::EILSEQ,
+        ENOMEDIUM = libc::ENOMEDIUM,
+        EMEDIUMTYPE = libc::EMEDIUMTYPE,
+        EOVERFLOW = libc::EOVERFLOW,
+        ECANCELED = libc::ECANCELED,
+        EIDRM = libc::EIDRM,
+        ENOMSG = libc::ENOMSG,
+        ENOTSUP = libc::ENOTSUP,
+        EBADMSG = libc::EBADMSG,
         ENOTRECOVERABLE = libc::ENOTRECOVERABLE,
-        EOWNERDEAD      = libc::EOWNERDEAD,
-        EPROTO          = libc::EPROTO,
+        EOWNERDEAD = libc::EOWNERDEAD,
+        EPROTO = libc::EPROTO,
     }
 
     #[deprecated(
         since = "0.22.1",
         note = "use nix::errno::Errno::ELAST instead"
     )]
-    pub const ELAST: Errno       = Errno::ENOTSUP;
+    pub const ELAST: Errno = Errno::ENOTSUP;
     #[deprecated(
         since = "0.22.1",
         note = "use nix::errno::Errno::EWOULDBLOCK instead"
@@ -1918,7 +2303,7 @@ mod consts {
     pub const EWOULDBLOCK: Errno = Errno::EAGAIN;
 
     impl Errno {
-        pub const ELAST: Errno       = Errno::ENOTSUP;
+        pub const ELAST: Errno = Errno::ENOTSUP;
         pub const EWOULDBLOCK: Errno = Errno::EAGAIN;
     }
 
@@ -2021,7 +2406,7 @@ mod consts {
             libc::ENOTRECOVERABLE => ENOTRECOVERABLE,
             libc::EOWNERDEAD => EOWNERDEAD,
             libc::EPROTO => EPROTO,
-            _   => UnknownErrno,
+            _ => UnknownErrno,
         }
     }
 }
@@ -2032,110 +2417,110 @@ mod consts {
     #[repr(i32)]
     #[non_exhaustive]
     pub enum Errno {
-        UnknownErrno    = 0,
-        EPERM           = libc::EPERM,
-        ENOENT          = libc::ENOENT,
-        ESRCH           = libc::ESRCH,
-        EINTR           = libc::EINTR,
-        EIO             = libc::EIO,
-        ENXIO           = libc::ENXIO,
-        E2BIG           = libc::E2BIG,
-        ENOEXEC         = libc::ENOEXEC,
-        EBADF           = libc::EBADF,
-        ECHILD          = libc::ECHILD,
-        EDEADLK         = libc::EDEADLK,
-        ENOMEM          = libc::ENOMEM,
-        EACCES          = libc::EACCES,
-        EFAULT          = libc::EFAULT,
-        ENOTBLK         = libc::ENOTBLK,
-        EBUSY           = libc::EBUSY,
-        EEXIST          = libc::EEXIST,
-        EXDEV           = libc::EXDEV,
-        ENODEV          = libc::ENODEV,
-        ENOTDIR         = libc::ENOTDIR,
-        EISDIR          = libc::EISDIR,
-        EINVAL          = libc::EINVAL,
-        ENFILE          = libc::ENFILE,
-        EMFILE          = libc::EMFILE,
-        ENOTTY          = libc::ENOTTY,
-        ETXTBSY         = libc::ETXTBSY,
-        EFBIG           = libc::EFBIG,
-        ENOSPC          = libc::ENOSPC,
-        ESPIPE          = libc::ESPIPE,
-        EROFS           = libc::EROFS,
-        EMLINK          = libc::EMLINK,
-        EPIPE           = libc::EPIPE,
-        EDOM            = libc::EDOM,
-        ERANGE          = libc::ERANGE,
-        EAGAIN          = libc::EAGAIN,
-        EINPROGRESS     = libc::EINPROGRESS,
-        EALREADY        = libc::EALREADY,
-        ENOTSOCK        = libc::ENOTSOCK,
-        EDESTADDRREQ    = libc::EDESTADDRREQ,
-        EMSGSIZE        = libc::EMSGSIZE,
-        EPROTOTYPE      = libc::EPROTOTYPE,
-        ENOPROTOOPT     = libc::ENOPROTOOPT,
+        UnknownErrno = 0,
+        EPERM = libc::EPERM,
+        ENOENT = libc::ENOENT,
+        ESRCH = libc::ESRCH,
+        EINTR = libc::EINTR,
+        EIO = libc::EIO,
+        ENXIO = libc::ENXIO,
+        E2BIG = libc::E2BIG,
+        ENOEXEC = libc::ENOEXEC,
+        EBADF = libc::EBADF,
+        ECHILD = libc::ECHILD,
+        EDEADLK = libc::EDEADLK,
+        ENOMEM = libc::ENOMEM,
+        EACCES = libc::EACCES,
+        EFAULT = libc::EFAULT,
+        ENOTBLK = libc::ENOTBLK,
+        EBUSY = libc::EBUSY,
+        EEXIST = libc::EEXIST,
+        EXDEV = libc::EXDEV,
+        ENODEV = libc::ENODEV,
+        ENOTDIR = libc::ENOTDIR,
+        EISDIR = libc::EISDIR,
+        EINVAL = libc::EINVAL,
+        ENFILE = libc::ENFILE,
+        EMFILE = libc::EMFILE,
+        ENOTTY = libc::ENOTTY,
+        ETXTBSY = libc::ETXTBSY,
+        EFBIG = libc::EFBIG,
+        ENOSPC = libc::ENOSPC,
+        ESPIPE = libc::ESPIPE,
+        EROFS = libc::EROFS,
+        EMLINK = libc::EMLINK,
+        EPIPE = libc::EPIPE,
+        EDOM = libc::EDOM,
+        ERANGE = libc::ERANGE,
+        EAGAIN = libc::EAGAIN,
+        EINPROGRESS = libc::EINPROGRESS,
+        EALREADY = libc::EALREADY,
+        ENOTSOCK = libc::ENOTSOCK,
+        EDESTADDRREQ = libc::EDESTADDRREQ,
+        EMSGSIZE = libc::EMSGSIZE,
+        EPROTOTYPE = libc::EPROTOTYPE,
+        ENOPROTOOPT = libc::ENOPROTOOPT,
         EPROTONOSUPPORT = libc::EPROTONOSUPPORT,
         ESOCKTNOSUPPORT = libc::ESOCKTNOSUPPORT,
-        EOPNOTSUPP      = libc::EOPNOTSUPP,
-        EPFNOSUPPORT    = libc::EPFNOSUPPORT,
-        EAFNOSUPPORT    = libc::EAFNOSUPPORT,
-        EADDRINUSE      = libc::EADDRINUSE,
-        EADDRNOTAVAIL   = libc::EADDRNOTAVAIL,
-        ENETDOWN        = libc::ENETDOWN,
-        ENETUNREACH     = libc::ENETUNREACH,
-        ENETRESET       = libc::ENETRESET,
-        ECONNABORTED    = libc::ECONNABORTED,
-        ECONNRESET      = libc::ECONNRESET,
-        ENOBUFS         = libc::ENOBUFS,
-        EISCONN         = libc::EISCONN,
-        ENOTCONN        = libc::ENOTCONN,
-        ESHUTDOWN       = libc::ESHUTDOWN,
-        ETOOMANYREFS    = libc::ETOOMANYREFS,
-        ETIMEDOUT       = libc::ETIMEDOUT,
-        ECONNREFUSED    = libc::ECONNREFUSED,
-        ELOOP           = libc::ELOOP,
-        ENAMETOOLONG    = libc::ENAMETOOLONG,
-        EHOSTDOWN       = libc::EHOSTDOWN,
-        EHOSTUNREACH    = libc::EHOSTUNREACH,
-        ENOTEMPTY       = libc::ENOTEMPTY,
-        EPROCLIM        = libc::EPROCLIM,
-        EUSERS          = libc::EUSERS,
-        EDQUOT          = libc::EDQUOT,
-        ESTALE          = libc::ESTALE,
-        EREMOTE         = libc::EREMOTE,
-        EBADRPC         = libc::EBADRPC,
-        ERPCMISMATCH    = libc::ERPCMISMATCH,
-        EPROGUNAVAIL    = libc::EPROGUNAVAIL,
-        EPROGMISMATCH   = libc::EPROGMISMATCH,
-        EPROCUNAVAIL    = libc::EPROCUNAVAIL,
-        ENOLCK          = libc::ENOLCK,
-        ENOSYS          = libc::ENOSYS,
-        EFTYPE          = libc::EFTYPE,
-        EAUTH           = libc::EAUTH,
-        ENEEDAUTH       = libc::ENEEDAUTH,
-        EIDRM           = libc::EIDRM,
-        ENOMSG          = libc::ENOMSG,
-        EOVERFLOW       = libc::EOVERFLOW,
-        EILSEQ          = libc::EILSEQ,
-        ENOTSUP         = libc::ENOTSUP,
-        ECANCELED       = libc::ECANCELED,
-        EBADMSG         = libc::EBADMSG,
-        ENODATA         = libc::ENODATA,
-        ENOSR           = libc::ENOSR,
-        ENOSTR          = libc::ENOSTR,
-        ETIME           = libc::ETIME,
-        ENOATTR         = libc::ENOATTR,
-        EMULTIHOP       = libc::EMULTIHOP,
-        ENOLINK         = libc::ENOLINK,
-        EPROTO          = libc::EPROTO,
+        EOPNOTSUPP = libc::EOPNOTSUPP,
+        EPFNOSUPPORT = libc::EPFNOSUPPORT,
+        EAFNOSUPPORT = libc::EAFNOSUPPORT,
+        EADDRINUSE = libc::EADDRINUSE,
+        EADDRNOTAVAIL = libc::EADDRNOTAVAIL,
+        ENETDOWN = libc::ENETDOWN,
+        ENETUNREACH = libc::ENETUNREACH,
+        ENETRESET = libc::ENETRESET,
+        ECONNABORTED = libc::ECONNABORTED,
+        ECONNRESET = libc::ECONNRESET,
+        ENOBUFS = libc::ENOBUFS,
+        EISCONN = libc::EISCONN,
+        ENOTCONN = libc::ENOTCONN,
+        ESHUTDOWN = libc::ESHUTDOWN,
+        ETOOMANYREFS = libc::ETOOMANYREFS,
+        ETIMEDOUT = libc::ETIMEDOUT,
+        ECONNREFUSED = libc::ECONNREFUSED,
+        ELOOP = libc::ELOOP,
+        ENAMETOOLONG = libc::ENAMETOOLONG,
+        EHOSTDOWN = libc::EHOSTDOWN,
+        EHOSTUNREACH = libc::EHOSTUNREACH,
+        ENOTEMPTY = libc::ENOTEMPTY,
+        EPROCLIM = libc::EPROCLIM,
+        EUSERS = libc::EUSERS,
+        EDQUOT = libc::EDQUOT,
+        ESTALE = libc::ESTALE,
+        EREMOTE = libc::EREMOTE,
+        EBADRPC = libc::EBADRPC,
+        ERPCMISMATCH = libc::ERPCMISMATCH,
+        EPROGUNAVAIL = libc::EPROGUNAVAIL,
+        EPROGMISMATCH = libc::EPROGMISMATCH,
+        EPROCUNAVAIL = libc::EPROCUNAVAIL,
+        ENOLCK = libc::ENOLCK,
+        ENOSYS = libc::ENOSYS,
+        EFTYPE = libc::EFTYPE,
+        EAUTH = libc::EAUTH,
+        ENEEDAUTH = libc::ENEEDAUTH,
+        EIDRM = libc::EIDRM,
+        ENOMSG = libc::ENOMSG,
+        EOVERFLOW = libc::EOVERFLOW,
+        EILSEQ = libc::EILSEQ,
+        ENOTSUP = libc::ENOTSUP,
+        ECANCELED = libc::ECANCELED,
+        EBADMSG = libc::EBADMSG,
+        ENODATA = libc::ENODATA,
+        ENOSR = libc::ENOSR,
+        ENOSTR = libc::ENOSTR,
+        ETIME = libc::ETIME,
+        ENOATTR = libc::ENOATTR,
+        EMULTIHOP = libc::EMULTIHOP,
+        ENOLINK = libc::ENOLINK,
+        EPROTO = libc::EPROTO,
     }
 
     #[deprecated(
         since = "0.22.1",
         note = "use nix::errno::Errno::ELAST instead"
     )]
-    pub const ELAST: Errno       = Errno::ENOTSUP;
+    pub const ELAST: Errno = Errno::ENOTSUP;
     #[deprecated(
         since = "0.22.1",
         note = "use nix::errno::Errno::EWOULDBLOCK instead"
@@ -2143,7 +2528,7 @@ mod consts {
     pub const EWOULDBLOCK: Errno = Errno::EAGAIN;
 
     impl Errno {
-        pub const ELAST: Errno       = Errno::ENOTSUP;
+        pub const ELAST: Errno = Errno::ENOTSUP;
         pub const EWOULDBLOCK: Errno = Errno::EAGAIN;
     }
 
@@ -2247,7 +2632,7 @@ mod consts {
             libc::EMULTIHOP => EMULTIHOP,
             libc::ENOLINK => ENOLINK,
             libc::EPROTO => EPROTO,
-            _   => UnknownErrno,
+            _ => UnknownErrno,
         }
     }
 }
@@ -2592,7 +2977,7 @@ mod consts {
     pub const EWOULDBLOCK: Errno = Errno::EAGAIN;
 
     impl Errno {
-        pub const ELAST: Errno       = Errno::ESTALE;
+        pub const ELAST: Errno = Errno::ESTALE;
         pub const EWOULDBLOCK: Errno = Errno::EAGAIN;
     }
 
@@ -2725,3 +3110,177 @@ mod consts {
         }
     }
 }
+
+#[cfg(target_os = "haiku")]
+mod consts {
+    #[derive(Clone, Copy, Debug, Eq, PartialEq)]
+    #[repr(i32)]
+    #[non_exhaustive]
+    pub enum Errno {
+        UnknownErrno = 0,
+        EPERM = libc::EPERM,
+        ENOENT = libc::ENOENT,
+        ESRCH = libc::ESRCH,
+        EINTR = libc::EINTR,
+        EIO = libc::EIO,
+        ENXIO = libc::ENXIO,
+        E2BIG = libc::E2BIG,
+        ENOEXEC = libc::ENOEXEC,
+        EBADF = libc::EBADF,
+        ECHILD = libc::ECHILD,
+        EDEADLK = libc::EDEADLK,
+        ENOMEM = libc::ENOMEM,
+        EACCES = libc::EACCES,
+        EFAULT = libc::EFAULT,
+        EBUSY = libc::EBUSY,
+        EEXIST = libc::EEXIST,
+        EXDEV = libc::EXDEV,
+        ENODEV = libc::ENODEV,
+        ENOTDIR = libc::ENOTDIR,
+        EISDIR = libc::EISDIR,
+        EINVAL = libc::EINVAL,
+        ENFILE = libc::ENFILE,
+        EMFILE = libc::EMFILE,
+        ENOTTY = libc::ENOTTY,
+        ETXTBSY = libc::ETXTBSY,
+        EFBIG = libc::EFBIG,
+        ENOSPC = libc::ENOSPC,
+        ESPIPE = libc::ESPIPE,
+        EROFS = libc::EROFS,
+        EMLINK = libc::EMLINK,
+        EPIPE = libc::EPIPE,
+        EDOM = libc::EDOM,
+        ERANGE = libc::ERANGE,
+        EAGAIN = libc::EAGAIN,
+        EINPROGRESS = libc::EINPROGRESS,
+        EALREADY = libc::EALREADY,
+        ENOTSOCK = libc::ENOTSOCK,
+        EDESTADDRREQ = libc::EDESTADDRREQ,
+        EMSGSIZE = libc::EMSGSIZE,
+        EPROTOTYPE = libc::EPROTOTYPE,
+        ENOPROTOOPT = libc::ENOPROTOOPT,
+        EPROTONOSUPPORT = libc::EPROTONOSUPPORT,
+        ENOTSUP = libc::ENOTSUP,
+        EADDRINUSE = libc::EADDRINUSE,
+        EADDRNOTAVAIL = libc::EADDRNOTAVAIL,
+        ENETDOWN = libc::ENETDOWN,
+        ENETUNREACH = libc::ENETUNREACH,
+        ENETRESET = libc::ENETRESET,
+        ECONNABORTED = libc::ECONNABORTED,
+        ECONNRESET = libc::ECONNRESET,
+        ENOBUFS = libc::ENOBUFS,
+        EISCONN = libc::EISCONN,
+        ENOTCONN = libc::ENOTCONN,
+        ESHUTDOWN = libc::ESHUTDOWN,
+        ETIMEDOUT = libc::ETIMEDOUT,
+        ECONNREFUSED = libc::ECONNREFUSED,
+        ELOOP = libc::ELOOP,
+        ENAMETOOLONG = libc::ENAMETOOLONG,
+        EHOSTDOWN = libc::EHOSTDOWN,
+        EHOSTUNREACH = libc::EHOSTUNREACH,
+        ENOTEMPTY = libc::ENOTEMPTY,
+        EDQUOT = libc::EDQUOT,
+        ESTALE = libc::ESTALE,
+        ENOLCK = libc::ENOLCK,
+        ENOSYS = libc::ENOSYS,
+        EIDRM = libc::EIDRM,
+        ENOMSG = libc::ENOMSG,
+        EOVERFLOW = libc::EOVERFLOW,
+        ECANCELED = libc::ECANCELED,
+        EILSEQ = libc::EILSEQ,
+        ENOATTR = libc::ENOATTR,
+        EBADMSG = libc::EBADMSG,
+        EMULTIHOP = libc::EMULTIHOP,
+        ENOLINK = libc::ENOLINK,
+        EPROTO = libc::EPROTO,
+    }
+
+    impl Errno {
+        pub const EWOULDBLOCK: Errno = Errno::EAGAIN;
+        pub const EDEADLOCK: Errno = Errno::EDEADLK;
+        pub const EOPNOTSUPP: Errno = Errno::ENOTSUP;
+    }
+
+    pub const fn from_i32(e: i32) -> Errno {
+        use self::Errno::*;
+
+        match e {
+            libc::EPERM => EPERM,
+            libc::ENOENT => ENOENT,
+            libc::ESRCH => ESRCH,
+            libc::EINTR => EINTR,
+            libc::EIO => EIO,
+            libc::ENXIO => ENXIO,
+            libc::E2BIG => E2BIG,
+            libc::ENOEXEC => ENOEXEC,
+            libc::EBADF => EBADF,
+            libc::ECHILD => ECHILD,
+            libc::EDEADLK => EDEADLK,
+            libc::ENOMEM => ENOMEM,
+            libc::EACCES => EACCES,
+            libc::EFAULT => EFAULT,
+            libc::EBUSY => EBUSY,
+            libc::EEXIST => EEXIST,
+            libc::EXDEV => EXDEV,
+            libc::ENODEV => ENODEV,
+            libc::ENOTDIR => ENOTDIR,
+            libc::EISDIR => EISDIR,
+            libc::EINVAL => EINVAL,
+            libc::ENFILE => ENFILE,
+            libc::EMFILE => EMFILE,
+            libc::ENOTTY => ENOTTY,
+            libc::ETXTBSY => ETXTBSY,
+            libc::EFBIG => EFBIG,
+            libc::ENOSPC => ENOSPC,
+            libc::ESPIPE => ESPIPE,
+            libc::EROFS => EROFS,
+            libc::EMLINK => EMLINK,
+            libc::EPIPE => EPIPE,
+            libc::EDOM => EDOM,
+            libc::ERANGE => ERANGE,
+            libc::EAGAIN => EAGAIN,
+            libc::EINPROGRESS => EINPROGRESS,
+            libc::EALREADY => EALREADY,
+            libc::ENOTSOCK => ENOTSOCK,
+            libc::EDESTADDRREQ => EDESTADDRREQ,
+            libc::EMSGSIZE => EMSGSIZE,
+            libc::EPROTOTYPE => EPROTOTYPE,
+            libc::ENOPROTOOPT => ENOPROTOOPT,
+            libc::EPROTONOSUPPORT => EPROTONOSUPPORT,
+            libc::ENOTSUP => ENOTSUP,
+            libc::EADDRINUSE => EADDRINUSE,
+            libc::EADDRNOTAVAIL => EADDRNOTAVAIL,
+            libc::ENETDOWN => ENETDOWN,
+            libc::ENETUNREACH => ENETUNREACH,
+            libc::ENETRESET => ENETRESET,
+            libc::ECONNABORTED => ECONNABORTED,
+            libc::ECONNRESET => ECONNRESET,
+            libc::ENOBUFS => ENOBUFS,
+            libc::EISCONN => EISCONN,
+            libc::ENOTCONN => ENOTCONN,
+            libc::ESHUTDOWN => ESHUTDOWN,
+            libc::ETIMEDOUT => ETIMEDOUT,
+            libc::ECONNREFUSED => ECONNREFUSED,
+            libc::ELOOP => ELOOP,
+            libc::ENAMETOOLONG => ENAMETOOLONG,
+            libc::EHOSTDOWN => EHOSTDOWN,
+            libc::EHOSTUNREACH => EHOSTUNREACH,
+            libc::ENOTEMPTY => ENOTEMPTY,
+            libc::EDQUOT => EDQUOT,
+            libc::ESTALE => ESTALE,
+            libc::ENOLCK => ENOLCK,
+            libc::ENOSYS => ENOSYS,
+            libc::EIDRM => EIDRM,
+            libc::ENOMSG => ENOMSG,
+            libc::EOVERFLOW => EOVERFLOW,
+            libc::ECANCELED => ECANCELED,
+            libc::EILSEQ => EILSEQ,
+            libc::ENOATTR => ENOATTR,
+            libc::EBADMSG => EBADMSG,
+            libc::EMULTIHOP => EMULTIHOP,
+            libc::ENOLINK => ENOLINK,
+            libc::EPROTO => EPROTO,
+            _ => UnknownErrno,
+        }
+    }
+}
diff --git a/bash-5.1/vendor/nix/src/fcntl.rs b/bash-5.1/vendor/nix/src/fcntl.rs
index fa64c8eaede5790d56c52a69965e85dde8ddf6f6..160b022d77add56cd119862b4c74d2af50e81462 100644
--- a/bash-5.1/vendor/nix/src/fcntl.rs
+++ b/bash-5.1/vendor/nix/src/fcntl.rs
@@ -6,26 +6,22 @@ use std::os::raw;
 use std::os::unix::ffi::OsStringExt;
 use std::os::unix::io::RawFd;
 
+#[cfg(feature = "fs")]
+use crate::{sys::stat::Mode, NixPath, Result};
 #[cfg(any(target_os = "android", target_os = "linux"))]
 use std::ptr; // For splice and copy_file_range
-#[cfg(feature = "fs")]
-use crate::{
-    NixPath,
-    Result,
-    sys::stat::Mode
-};
 
 #[cfg(any(
     target_os = "linux",
     target_os = "android",
     target_os = "emscripten",
     target_os = "fuchsia",
-    any(target_os = "wasi", target_env = "wasi"),
+    target_os = "wasi",
     target_env = "uclibc",
     target_os = "freebsd"
 ))]
 #[cfg(feature = "fs")]
-pub use self::posix_fadvise::{PosixFadviseAdvice, posix_fadvise};
+pub use self::posix_fadvise::{posix_fadvise, PosixFadviseAdvice};
 
 #[cfg(not(target_os = "redox"))]
 #[cfg(any(feature = "fs", feature = "process"))]
@@ -58,7 +54,7 @@ libc_bitflags!(
         /// Open the file in append-only mode.
         O_APPEND;
         /// Generate a signal when input or output becomes possible.
-        #[cfg(not(any(target_os = "illumos", target_os = "solaris")))]
+        #[cfg(not(any(target_os = "illumos", target_os = "solaris", target_os = "haiku")))]
         #[cfg_attr(docsrs, doc(cfg(all())))]
         O_ASYNC;
         /// Closes the file descriptor once an `execve` call is made.
@@ -128,7 +124,7 @@ libc_bitflags!(
         #[cfg_attr(docsrs, doc(cfg(all())))]
         O_NOCTTY;
         /// Same as `O_NONBLOCK`.
-        #[cfg(not(target_os = "redox"))]
+        #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
         #[cfg_attr(docsrs, doc(cfg(all())))]
         O_NDELAY;
         /// `open()` will fail if the given path is a symbolic link.
@@ -241,10 +237,7 @@ pub fn renameat<P1: ?Sized + NixPath, P2: ?Sized + NixPath>(
 }
 }
 
-#[cfg(all(
-    target_os = "linux",
-    target_env = "gnu",
-))]
+#[cfg(all(target_os = "linux", target_env = "gnu",))]
 #[cfg(feature = "fs")]
 libc_bitflags! {
     #[cfg_attr(docsrs, doc(cfg(feature = "fs")))]
@@ -385,7 +378,7 @@ pub(crate) fn at_rawfd(fd: Option<RawFd>) -> raw::c_int {
 }
 }
 
-#[cfg(any(target_os = "android", target_os = "linux"))]
+#[cfg(any(target_os = "android", target_os = "linux", target_os = "freebsd"))]
 #[cfg(feature = "fs")]
 libc_bitflags!(
     /// Additional flags for file sealing, which allows for limiting operations on a file.
@@ -434,9 +427,9 @@ pub enum FcntlArg<'a> {
     F_OFD_SETLKW(&'a libc::flock),
     #[cfg(any(target_os = "linux", target_os = "android"))]
     F_OFD_GETLK(&'a mut libc::flock),
-    #[cfg(any(target_os = "android", target_os = "linux"))]
+    #[cfg(any(target_os = "android", target_os = "linux", target_os = "freebsd"))]
     F_ADD_SEALS(SealFlag),
-    #[cfg(any(target_os = "android", target_os = "linux"))]
+    #[cfg(any(target_os = "android", target_os = "linux", target_os = "freebsd"))]
     F_GET_SEALS,
     #[cfg(any(target_os = "macos", target_os = "ios"))]
     F_FULLFSYNC,
@@ -482,9 +475,9 @@ pub fn fcntl(fd: RawFd, arg: FcntlArg) -> Result<c_int> {
             F_OFD_SETLKW(flock) => libc::fcntl(fd, libc::F_OFD_SETLKW, flock),
             #[cfg(any(target_os = "android", target_os = "linux"))]
             F_OFD_GETLK(flock) => libc::fcntl(fd, libc::F_OFD_GETLK, flock),
-            #[cfg(any(target_os = "android", target_os = "linux"))]
+            #[cfg(any(target_os = "android", target_os = "linux", target_os = "freebsd"))]
             F_ADD_SEALS(flag) => libc::fcntl(fd, libc::F_ADD_SEALS, flag.bits()),
-            #[cfg(any(target_os = "android", target_os = "linux"))]
+            #[cfg(any(target_os = "android", target_os = "linux", target_os = "freebsd"))]
             F_GET_SEALS => libc::fcntl(fd, libc::F_GET_SEALS),
             #[cfg(any(target_os = "macos", target_os = "ios"))]
             F_FULLFSYNC => libc::fcntl(fd, libc::F_FULLFSYNC),
@@ -742,8 +735,8 @@ impl SpacectlRange {
 ///
 /// # Example
 ///
-// no_run because it fails to link until FreeBSD 14.0
-/// ```no_run
+#[cfg_attr(fbsd14, doc = " ```")]
+#[cfg_attr(not(fbsd14), doc = " ```no_run")]
 /// # use std::io::Write;
 /// # use std::os::unix::fs::FileExt;
 /// # use std::os::unix::io::AsRawFd;
@@ -788,8 +781,8 @@ pub fn fspacectl(fd: RawFd, range: SpacectlRange) -> Result<SpacectlRange> {
 ///
 /// # Example
 ///
-// no_run because it fails to link until FreeBSD 14.0
-/// ```no_run
+#[cfg_attr(fbsd14, doc = " ```")]
+#[cfg_attr(not(fbsd14), doc = " ```no_run")]
 /// # use std::io::Write;
 /// # use std::os::unix::fs::FileExt;
 /// # use std::os::unix::io::AsRawFd;
@@ -828,7 +821,7 @@ pub fn fspacectl_all(fd: RawFd, offset: libc::off_t, len: libc::off_t)
     target_os = "android",
     target_os = "emscripten",
     target_os = "fuchsia",
-    any(target_os = "wasi", target_env = "wasi"),
+    target_os = "wasi",
     target_env = "uclibc",
     target_os = "freebsd"
 ))]
@@ -877,7 +870,7 @@ mod posix_fadvise {
     target_os = "dragonfly",
     target_os = "emscripten",
     target_os = "fuchsia",
-    any(target_os = "wasi", target_env = "wasi"),
+    target_os = "wasi",
     target_os = "freebsd"
 ))]
 pub fn posix_fallocate(fd: RawFd, offset: libc::off_t, len: libc::off_t) -> Result<()> {
diff --git a/bash-5.1/vendor/nix/src/features.rs b/bash-5.1/vendor/nix/src/features.rs
index 610809861058bc0bf6ab1c87ea29bfa9db308aba..d2adc1693b665872234fad433c0589c56e8f2910 100644
--- a/bash-5.1/vendor/nix/src/features.rs
+++ b/bash-5.1/vendor/nix/src/features.rs
@@ -114,6 +114,7 @@ mod os {
 #[cfg(any(target_os = "macos",
           target_os = "ios",
           target_os = "fuchsia",
+          target_os = "haiku",
           target_os = "solaris"))]
 mod os {
     /// Check if the OS supports atomic close-on-exec for sockets
diff --git a/bash-5.1/vendor/nix/src/lib.rs b/bash-5.1/vendor/nix/src/lib.rs
index d4dcbc4ceb48b4589dab2a7f0b52b0636a004cc6..770258dd362631079a9462dd6dea9e521ac74768 100644
--- a/bash-5.1/vendor/nix/src/lib.rs
+++ b/bash-5.1/vendor/nix/src/lib.rs
@@ -52,20 +52,20 @@
 #![deny(missing_copy_implementations)]
 #![deny(missing_debug_implementations)]
 #![warn(missing_docs)]
-
 #![cfg_attr(docsrs, feature(doc_cfg))]
+#![deny(clippy::cast_ptr_alignment)]
 
 // Re-exported external crates
 pub use libc;
 
 // Private internal modules
-#[macro_use] mod macros;
+#[macro_use]
+mod macros;
 
 // Public crates
 #[cfg(not(target_os = "redox"))]
 feature! {
     #![feature = "dir"]
-    #[allow(missing_docs)]
     pub mod dir;
 }
 feature! {
@@ -100,28 +100,25 @@ feature! {
     #[deny(missing_docs)]
     pub mod net;
 }
-#[cfg(any(target_os = "android",
-          target_os = "linux"))]
+#[cfg(any(target_os = "android", target_os = "linux"))]
 feature! {
     #![feature = "kmod"]
     #[allow(missing_docs)]
     pub mod kmod;
 }
-#[cfg(any(target_os = "android",
-          target_os = "freebsd",
-          target_os = "linux"))]
+#[cfg(any(target_os = "android", target_os = "freebsd", target_os = "linux"))]
 feature! {
     #![feature = "mount"]
     pub mod mount;
 }
-#[cfg(any(target_os = "dragonfly",
-          target_os = "freebsd",
-          target_os = "fushsia",
-          target_os = "linux",
-          target_os = "netbsd"))]
+#[cfg(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "linux",
+    target_os = "netbsd"
+))]
 feature! {
     #![feature = "mqueue"]
-    #[allow(missing_docs)]
     pub mod mqueue;
 }
 feature! {
@@ -146,9 +143,10 @@ feature! {
 }
 // This can be implemented for other platforms as soon as libc
 // provides bindings for them.
-#[cfg(all(target_os = "linux",
-          any(target_arch = "s390x", target_arch = "x86",
-              target_arch = "x86_64")))]
+#[cfg(all(
+    target_os = "linux",
+    any(target_arch = "s390x", target_arch = "x86", target_arch = "x86_64")
+))]
 feature! {
     #![feature = "ucontext"]
     #[allow(missing_docs)]
@@ -192,7 +190,8 @@ pub trait NixPath {
     ///
     /// Mostly used internally by Nix.
     fn with_nix_path<T, F>(&self, f: F) -> Result<T>
-        where F: FnOnce(&CStr) -> T;
+    where
+        F: FnOnce(&CStr) -> T;
 }
 
 impl NixPath for str {
@@ -205,9 +204,11 @@ impl NixPath for str {
     }
 
     fn with_nix_path<T, F>(&self, f: F) -> Result<T>
-        where F: FnOnce(&CStr) -> T {
-            OsStr::new(self).with_nix_path(f)
-        }
+    where
+        F: FnOnce(&CStr) -> T,
+    {
+        OsStr::new(self).with_nix_path(f)
+    }
 }
 
 impl NixPath for OsStr {
@@ -220,9 +221,11 @@ impl NixPath for OsStr {
     }
 
     fn with_nix_path<T, F>(&self, f: F) -> Result<T>
-        where F: FnOnce(&CStr) -> T {
-            self.as_bytes().with_nix_path(f)
-        }
+    where
+        F: FnOnce(&CStr) -> T,
+    {
+        self.as_bytes().with_nix_path(f)
+    }
 }
 
 impl NixPath for CStr {
@@ -275,7 +278,9 @@ impl NixPath for [u8] {
             buf_ptr.add(self.len()).write(0);
         }
 
-        match CStr::from_bytes_with_nul(unsafe { slice::from_raw_parts(buf_ptr, self.len() + 1) }) {
+        match CStr::from_bytes_with_nul(unsafe {
+            slice::from_raw_parts(buf_ptr, self.len() + 1)
+        }) {
             Ok(s) => Ok(f(s)),
             Err(_) => Err(Errno::EINVAL),
         }
@@ -303,7 +308,10 @@ impl NixPath for Path {
         NixPath::len(self.as_os_str())
     }
 
-    fn with_nix_path<T, F>(&self, f: F) -> Result<T> where F: FnOnce(&CStr) -> T {
+    fn with_nix_path<T, F>(&self, f: F) -> Result<T>
+    where
+        F: FnOnce(&CStr) -> T,
+    {
         self.as_os_str().with_nix_path(f)
     }
 }
@@ -317,7 +325,10 @@ impl NixPath for PathBuf {
         NixPath::len(self.as_os_str())
     }
 
-    fn with_nix_path<T, F>(&self, f: F) -> Result<T> where F: FnOnce(&CStr) -> T {
+    fn with_nix_path<T, F>(&self, f: F) -> Result<T>
+    where
+        F: FnOnce(&CStr) -> T,
+    {
         self.as_os_str().with_nix_path(f)
     }
 }
diff --git a/bash-5.1/vendor/nix/src/macros.rs b/bash-5.1/vendor/nix/src/macros.rs
index c357a0636c48c9d806af3a4ab6edc2b8e5a0382a..99e0de88662fbeb77372a6c686ba5005dddcc1ba 100644
--- a/bash-5.1/vendor/nix/src/macros.rs
+++ b/bash-5.1/vendor/nix/src/macros.rs
@@ -19,7 +19,7 @@ macro_rules! feature {
 /// The `libc` crate must be in scope with the name `libc`.
 ///
 /// # Example
-/// ```
+/// ```ignore
 /// libc_bitflags!{
 ///     pub struct ProtFlags: libc::c_int {
 ///         PROT_NONE;
@@ -39,7 +39,7 @@ macro_rules! feature {
 /// various flags have different types, so we cast the broken ones to the right
 /// type.
 ///
-/// ```
+/// ```ignore
 /// libc_bitflags!{
 ///     pub struct SaFlags: libc::c_ulong {
 ///         SA_NOCLDSTOP as libc::c_ulong;
@@ -80,7 +80,7 @@ macro_rules! libc_bitflags {
 /// The `libc` crate must be in scope with the name `libc`.
 ///
 /// # Example
-/// ```
+/// ```ignore
 /// libc_enum!{
 ///     pub enum ProtFlags {
 ///         PROT_NONE,
@@ -94,6 +94,9 @@ macro_rules! libc_bitflags {
 ///     }
 /// }
 /// ```
+// Some targets don't use all rules.
+#[allow(unknown_lints)]
+#[allow(unused_macro_rules)]
 macro_rules! libc_enum {
     // Exit rule.
     (@make_enum
diff --git a/bash-5.1/vendor/nix/src/mount/bsd.rs b/bash-5.1/vendor/nix/src/mount/bsd.rs
index b4d611ee39989e0897397710a47a5fd89603f2cc..109522f9fbc25b7d3ca88f46028791871508535c 100644
--- a/bash-5.1/vendor/nix/src/mount/bsd.rs
+++ b/bash-5.1/vendor/nix/src/mount/bsd.rs
@@ -168,8 +168,9 @@ pub type NmountResult = std::result::Result<(), NmountError>;
 /// To mount `target` onto `mountpoint` with `nullfs`:
 /// ```
 /// # use nix::unistd::Uid;
-/// # use ::sysctl::CtlValue;
-/// # if !Uid::current().is_root() && CtlValue::Int(0) == ::sysctl::value("vfs.usermount").unwrap() {
+/// # use ::sysctl::{CtlValue, Sysctl};
+/// # let ctl = ::sysctl::Ctl::new("vfs.usermount").unwrap();
+/// # if !Uid::current().is_root() && CtlValue::Int(0) == ctl.value().unwrap() {
 /// #     return;
 /// # };
 /// use nix::mount::{MntFlags, Nmount, unmount};
diff --git a/bash-5.1/vendor/nix/src/mqueue.rs b/bash-5.1/vendor/nix/src/mqueue.rs
index 792a5d229398f622e9d68012dbe23730e1c7f457..e3c0c43eeef2fc96bbc9c3c70ac15ad80f701c35 100644
--- a/bash-5.1/vendor/nix/src/mqueue.rs
+++ b/bash-5.1/vendor/nix/src/mqueue.rs
@@ -39,23 +39,29 @@ use crate::sys::stat::Mode;
 use std::mem;
 
 libc_bitflags!{
+    /// Used with [`mq_open`].
     pub struct MQ_OFlag: libc::c_int {
+        /// Open the message queue for receiving messages.
         O_RDONLY;
+        /// Open the queue for sending messages.
         O_WRONLY;
+        /// Open the queue for both receiving and sending messages
         O_RDWR;
+        /// Create a message queue.
         O_CREAT;
+        /// If set along with `O_CREAT`, `mq_open` will fail if the message
+        /// queue name exists.
         O_EXCL;
+        /// `mq_send` and `mq_receive` should fail with `EAGAIN` rather than
+        /// wait for resources that are not currently available.
         O_NONBLOCK;
+        /// Set the close-on-exec flag for the message queue descriptor.
         O_CLOEXEC;
     }
 }
 
-libc_bitflags!{
-    pub struct FdFlag: libc::c_int {
-        FD_CLOEXEC;
-    }
-}
-
+/// A message-queue attribute, optionally used with [`mq_setattr`] and
+/// [`mq_getattr`] and optionally [`mq_open`],
 #[repr(C)]
 #[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
 pub struct MqAttr {
@@ -72,14 +78,24 @@ pub struct MqdT(mqd_t);
 
 // x32 compatibility
 // See https://sourceware.org/bugzilla/show_bug.cgi?id=21279
+/// Size of a message queue attribute member
 #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
 #[cfg_attr(docsrs, doc(cfg(all())))]
 pub type mq_attr_member_t = i64;
+/// Size of a message queue attribute member
 #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
 #[cfg_attr(docsrs, doc(cfg(all())))]
 pub type mq_attr_member_t = libc::c_long;
 
 impl MqAttr {
+    /// Create a new message queue attribute
+    ///
+    /// # Arguments
+    ///
+    /// - `mq_flags`:   Either `0` or `O_NONBLOCK`.
+    /// - `mq_maxmsg`:  Maximum number of messages on the queue.
+    /// - `mq_msgsize`: Maximum message size in bytes.
+    /// - `mq_curmsgs`: Number of messages currently in the queue.
     pub fn new(mq_flags: mq_attr_member_t,
                mq_maxmsg: mq_attr_member_t,
                mq_msgsize: mq_attr_member_t,
@@ -97,6 +113,7 @@ impl MqAttr {
         }
     }
 
+    /// The current flags, either `0` or `O_NONBLOCK`.
     pub const fn flags(&self) -> mq_attr_member_t {
         self.mq_attr.mq_flags
     }
diff --git a/bash-5.1/vendor/nix/src/net/if_.rs b/bash-5.1/vendor/nix/src/net/if_.rs
index ebe8bcceeb3c77c82251a4c6e8db6f82278c235d..045efad9cc3fe5c5030a1ff4e9e01394e515b759 100644
--- a/bash-5.1/vendor/nix/src/net/if_.rs
+++ b/bash-5.1/vendor/nix/src/net/if_.rs
@@ -28,6 +28,7 @@ libc_bitflags!(
         IFF_BROADCAST;
         /// Internal debugging flag. (see
         /// [`netdevice(7)`](https://man7.org/linux/man-pages/man7/netdevice.7.html))
+        #[cfg(not(target_os = "haiku"))]
         IFF_DEBUG;
         /// Interface is a loopback interface. (see
         /// [`netdevice(7)`](https://man7.org/linux/man-pages/man7/netdevice.7.html))
@@ -102,8 +103,7 @@ libc_bitflags!(
                   target_os = "freebsd",
                   target_os = "macos",
                   target_os = "netbsd",
-                  target_os = "openbsd",
-                  target_os = "osx"))]
+                  target_os = "openbsd"))]
         #[cfg_attr(docsrs, doc(cfg(all())))]
         IFF_SIMPLEX;
         /// Supports multicast. (see
diff --git a/bash-5.1/vendor/nix/src/poll.rs b/bash-5.1/vendor/nix/src/poll.rs
index 6d332b03500138416ba3c7cfdc01d48b0686bc75..3004d24c37072fd0b9c8eacaaa306e9b5bbc0967 100644
--- a/bash-5.1/vendor/nix/src/poll.rs
+++ b/bash-5.1/vendor/nix/src/poll.rs
@@ -151,20 +151,24 @@ feature! {
 /// `ppoll` behaves like `poll`, but let you specify what signals may interrupt it
 /// with the `sigmask` argument. If you want `ppoll` to block indefinitely,
 /// specify `None` as `timeout` (it is like `timeout = -1` for `poll`).
+/// If `sigmask` is `None`, then no signal mask manipulation is performed,
+/// so in that case `ppoll` differs from `poll` only in the precision of the
+/// timeout argument.
 ///
 #[cfg(any(target_os = "android", target_os = "dragonfly", target_os = "freebsd", target_os = "linux"))]
 pub fn ppoll(
     fds: &mut [PollFd],
     timeout: Option<crate::sys::time::TimeSpec>,
-    sigmask: crate::sys::signal::SigSet
+    sigmask: Option<crate::sys::signal::SigSet>
     ) -> Result<libc::c_int>
 {
     let timeout = timeout.as_ref().map_or(core::ptr::null(), |r| r.as_ref());
+    let sigmask = sigmask.as_ref().map_or(core::ptr::null(), |r| r.as_ref());
     let res = unsafe {
         libc::ppoll(fds.as_mut_ptr() as *mut libc::pollfd,
                     fds.len() as libc::nfds_t,
                     timeout,
-                    sigmask.as_ref())
+                    sigmask)
     };
     Errno::result(res)
 }
diff --git a/bash-5.1/vendor/nix/src/sched.rs b/bash-5.1/vendor/nix/src/sched.rs
index e736f8d2493d1a94335cfebfa5026e9feff24289..e9a326e261a581fb0aa4bc72125a5b0d682a308b 100644
--- a/bash-5.1/vendor/nix/src/sched.rs
+++ b/bash-5.1/vendor/nix/src/sched.rs
@@ -233,8 +233,8 @@ mod sched_affinity {
     /// use nix::unistd::Pid;
     ///
     /// let mut cpu_set = CpuSet::new();
-    /// cpu_set.set(0);
-    /// sched_setaffinity(Pid::from_raw(0), &cpu_set);
+    /// cpu_set.set(0).unwrap();
+    /// sched_setaffinity(Pid::from_raw(0), &cpu_set).unwrap();
     /// ```
     pub fn sched_setaffinity(pid: Pid, cpuset: &CpuSet) -> Result<()> {
         let res = unsafe {
diff --git a/bash-5.1/vendor/nix/src/sys/aio.rs b/bash-5.1/vendor/nix/src/sys/aio.rs
index 4780cdee334143a623d27e154ea3349f6944857e..6ff88469b98368b9ca3bd92c99557185b7f882a9 100644
--- a/bash-5.1/vendor/nix/src/sys/aio.rs
+++ b/bash-5.1/vendor/nix/src/sys/aio.rs
@@ -2,9 +2,12 @@
 //! POSIX Asynchronous I/O
 //!
 //! The POSIX AIO interface is used for asynchronous I/O on files and disk-like
-//! devices.  It supports [`read`](struct.AioCb.html#method.read),
-//! [`write`](struct.AioCb.html#method.write), and
-//! [`fsync`](struct.AioCb.html#method.fsync) operations.  Completion
+//! devices.  It supports [`read`](struct.AioRead.html#method.new),
+//! [`write`](struct.AioWrite.html#method.new),
+//! [`fsync`](struct.AioFsync.html#method.new),
+//! [`readv`](struct.AioReadv.html#method.new), and
+//! [`writev`](struct.AioWritev.html#method.new), operations, subject to
+//! platform support.  Completion
 //! notifications can optionally be delivered via
 //! [signals](../signal/enum.SigevNotify.html#variant.SigevSignal), via the
 //! [`aio_suspend`](fn.aio_suspend.html) function, or via polling.  Some
@@ -17,23 +20,30 @@
 //! that they will be executed atomically.
 //!
 //! Outstanding operations may be cancelled with
-//! [`cancel`](struct.AioCb.html#method.cancel) or
+//! [`cancel`](trait.Aio.html#method.cancel) or
 //! [`aio_cancel_all`](fn.aio_cancel_all.html), though the operating system may
 //! not support this for all filesystems and devices.
+#[cfg(target_os = "freebsd")]
+use std::io::{IoSlice, IoSliceMut};
+use std::{
+    convert::TryFrom,
+    fmt::{self, Debug},
+    marker::{PhantomData, PhantomPinned},
+    mem,
+    os::unix::io::RawFd,
+    pin::Pin,
+    ptr,
+    thread,
+};
 
-use crate::Result;
-use crate::errno::Errno;
-use std::os::unix::io::RawFd;
-use libc::{c_void, off_t, size_t};
-use std::fmt;
-use std::fmt::Debug;
-use std::marker::PhantomData;
-use std::mem;
-use std::pin::Pin;
-use std::ptr::{null, null_mut};
-use crate::sys::signal::*;
-use std::thread;
-use crate::sys::time::TimeSpec;
+use libc::{c_void, off_t};
+use pin_utils::unsafe_pinned;
+
+use crate::{
+    errno::Errno,
+    sys::{signal::*, time::TimeSpec},
+    Result,
+};
 
 libc_enum! {
     /// Mode for `AioCb::fsync`.  Controls whether only data or both data and
@@ -52,22 +62,7 @@ libc_enum! {
         #[cfg_attr(docsrs, doc(cfg(all())))]
         O_DSYNC
     }
-}
-
-libc_enum! {
-    /// When used with [`lio_listio`](fn.lio_listio.html), determines whether a
-    /// given `aiocb` should be used for a read operation, a write operation, or
-    /// ignored.  Has no effect for any other aio functions.
-    #[repr(i32)]
-    #[non_exhaustive]
-    pub enum LioOpcode {
-        /// No operation
-        LIO_NOP,
-        /// Write data as if by a call to [`AioCb::write`]
-        LIO_WRITE,
-        /// Write data as if by a call to [`AioCb::read`]
-        LIO_READ,
-    }
+    impl TryFrom<i32>
 }
 
 libc_enum! {
@@ -103,354 +98,133 @@ struct LibcAiocb(libc::aiocb);
 unsafe impl Send for LibcAiocb {}
 unsafe impl Sync for LibcAiocb {}
 
-/// AIO Control Block.
-///
-/// The basic structure used by all aio functions.  Each `AioCb` represents one
-/// I/O request.
-pub struct AioCb<'a> {
-    aiocb: LibcAiocb,
-    /// Tracks whether the buffer pointed to by `libc::aiocb.aio_buf` is mutable
-    mutable: bool,
+/// Base class for all AIO operations.  Should only be used directly when
+/// checking for completion.
+// We could create some kind of AsPinnedMut trait, and implement it for all aio
+// ops, allowing the crate's users to get pinned references to `AioCb`.  That
+// could save some code for things like polling methods.  But IMHO it would
+// provide polymorphism at the wrong level.  Instead, the best place for
+// polymorphism is at the level of `Futures`.
+#[repr(C)]
+struct AioCb {
+    aiocb:       LibcAiocb,
     /// Could this `AioCb` potentially have any in-kernel state?
+    // It would be really nice to perform the in-progress check entirely at
+    // compile time.  But I can't figure out how, because:
+    // * Future::poll takes a `Pin<&mut self>` rather than `self`, and
+    // * Rust's lack of an equivalent of C++'s Guaranteed Copy Elision means
+    //   that there's no way to write an AioCb constructor that neither boxes
+    //   the object itself, nor moves it during return.
     in_progress: bool,
-    _buffer: std::marker::PhantomData<&'a [u8]>,
-    _pin: std::marker::PhantomPinned
 }
 
-impl<'a> AioCb<'a> {
-    /// Returns the underlying file descriptor associated with the `AioCb`
-    pub fn fd(&self) -> RawFd {
-        self.aiocb.0.aio_fildes
-    }
+impl AioCb {
+    pin_utils::unsafe_unpinned!(aiocb: LibcAiocb);
 
-    /// Constructs a new `AioCb` with no associated buffer.
-    ///
-    /// The resulting `AioCb` structure is suitable for use with `AioCb::fsync`.
-    ///
-    /// # Parameters
-    ///
-    /// * `fd`:           File descriptor.  Required for all aio functions.
-    /// * `prio`:         If POSIX Prioritized IO is supported, then the
-    ///                   operation will be prioritized at the process's
-    ///                   priority level minus `prio`.
-    /// * `sigev_notify`: Determines how you will be notified of event
-    ///                    completion.
-    ///
-    /// # Examples
-    ///
-    /// Create an `AioCb` from a raw file descriptor and use it for an
-    /// [`fsync`](#method.fsync) operation.
-    ///
-    /// ```
-    /// # use nix::errno::Errno;
-    /// # use nix::Error;
-    /// # use nix::sys::aio::*;
-    /// # use nix::sys::signal::SigevNotify::SigevNone;
-    /// # use std::{thread, time};
-    /// # use std::os::unix::io::AsRawFd;
-    /// # use tempfile::tempfile;
-    /// let f = tempfile().unwrap();
-    /// let mut aiocb = AioCb::from_fd( f.as_raw_fd(), 0, SigevNone);
-    /// aiocb.fsync(AioFsyncMode::O_SYNC).expect("aio_fsync failed early");
-    /// while (aiocb.error() == Err(Errno::EINPROGRESS)) {
-    ///     thread::sleep(time::Duration::from_millis(10));
-    /// }
-    /// aiocb.aio_return().expect("aio_fsync failed late");
-    /// ```
-    pub fn from_fd(fd: RawFd, prio: libc::c_int,
-                    sigev_notify: SigevNotify) -> Pin<Box<AioCb<'a>>> {
-        let mut a = AioCb::common_init(fd, prio, sigev_notify);
-        a.0.aio_offset = 0;
-        a.0.aio_nbytes = 0;
-        a.0.aio_buf = null_mut();
-
-        Box::pin(AioCb {
-            aiocb: a,
-            mutable: false,
-            in_progress: false,
-            _buffer: PhantomData,
-            _pin: std::marker::PhantomPinned
-        })
+    fn aio_return(mut self: Pin<&mut Self>) -> Result<usize> {
+        self.in_progress = false;
+        unsafe {
+            let p: *mut libc::aiocb = &mut self.aiocb.0;
+            Errno::result(libc::aio_return(p))
+        }
+        .map(|r| r as usize)
     }
 
-    // Private helper
-    #[cfg(not(any(target_os = "ios", target_os = "macos")))]
-    fn from_mut_slice_unpinned(fd: RawFd, offs: off_t, buf: &'a mut [u8],
-                          prio: libc::c_int, sigev_notify: SigevNotify,
-                          opcode: LioOpcode) -> AioCb<'a>
-    {
-        let mut a = AioCb::common_init(fd, prio, sigev_notify);
-        a.0.aio_offset = offs;
-        a.0.aio_nbytes = buf.len() as size_t;
-        a.0.aio_buf = buf.as_ptr() as *mut c_void;
-        a.0.aio_lio_opcode = opcode as libc::c_int;
+    fn cancel(mut self: Pin<&mut Self>) -> Result<AioCancelStat> {
+        let r = unsafe {
+            libc::aio_cancel(self.aiocb.0.aio_fildes, &mut self.aiocb.0)
+        };
+        match r {
+            libc::AIO_CANCELED => Ok(AioCancelStat::AioCanceled),
+            libc::AIO_NOTCANCELED => Ok(AioCancelStat::AioNotCanceled),
+            libc::AIO_ALLDONE => Ok(AioCancelStat::AioAllDone),
+            -1 => Err(Errno::last()),
+            _ => panic!("unknown aio_cancel return value"),
+        }
+    }
 
+    fn common_init(fd: RawFd, prio: i32, sigev_notify: SigevNotify) -> Self {
+        // Use mem::zeroed instead of explicitly zeroing each field, because the
+        // number and name of reserved fields is OS-dependent.  On some OSes,
+        // some reserved fields are used the kernel for state, and must be
+        // explicitly zeroed when allocated.
+        let mut a = unsafe { mem::zeroed::<libc::aiocb>() };
+        a.aio_fildes = fd;
+        a.aio_reqprio = prio;
+        a.aio_sigevent = SigEvent::new(sigev_notify).sigevent();
         AioCb {
-            aiocb: a,
-            mutable: true,
+            aiocb:       LibcAiocb(a),
             in_progress: false,
-            _buffer: PhantomData,
-            _pin: std::marker::PhantomPinned
         }
     }
 
-    /// Constructs a new `AioCb` from a mutable slice.
-    ///
-    /// The resulting `AioCb` will be suitable for both read and write
-    /// operations, but only if the borrow checker can guarantee that the slice
-    /// will outlive the `AioCb`.  That will usually be the case if the `AioCb`
-    /// is stack-allocated.
-    ///
-    /// # Parameters
-    ///
-    /// * `fd`:           File descriptor.  Required for all aio functions.
-    /// * `offs`:         File offset
-    /// * `buf`:          A memory buffer
-    /// * `prio`:         If POSIX Prioritized IO is supported, then the
-    ///                   operation will be prioritized at the process's
-    ///                   priority level minus `prio`
-    /// * `sigev_notify`: Determines how you will be notified of event
-    ///                   completion.
-    /// * `opcode`:       This field is only used for `lio_listio`.  It
-    ///                   determines which operation to use for this individual
-    ///                   aiocb
-    ///
-    /// # Examples
-    ///
-    /// Create an `AioCb` from a mutable slice and read into it.
-    ///
-    /// ```
-    /// # use nix::errno::Errno;
-    /// # use nix::Error;
-    /// # use nix::sys::aio::*;
-    /// # use nix::sys::signal::SigevNotify;
-    /// # use std::{thread, time};
-    /// # use std::io::Write;
-    /// # use std::os::unix::io::AsRawFd;
-    /// # use tempfile::tempfile;
-    /// const INITIAL: &[u8] = b"abcdef123456";
-    /// const LEN: usize = 4;
-    /// let mut rbuf = vec![0; LEN];
-    /// let mut f = tempfile().unwrap();
-    /// f.write_all(INITIAL).unwrap();
-    /// {
-    ///     let mut aiocb = AioCb::from_mut_slice( f.as_raw_fd(),
-    ///         2,   //offset
-    ///         &mut rbuf,
-    ///         0,   //priority
-    ///         SigevNotify::SigevNone,
-    ///         LioOpcode::LIO_NOP);
-    ///     aiocb.read().unwrap();
-    ///     while (aiocb.error() == Err(Errno::EINPROGRESS)) {
-    ///         thread::sleep(time::Duration::from_millis(10));
-    ///     }
-    ///     assert_eq!(aiocb.aio_return().unwrap() as usize, LEN);
-    /// }
-    /// assert_eq!(rbuf, b"cdef");
-    /// ```
-    pub fn from_mut_slice(fd: RawFd, offs: off_t, buf: &'a mut [u8],
-                          prio: libc::c_int, sigev_notify: SigevNotify,
-                          opcode: LioOpcode) -> Pin<Box<AioCb<'a>>> {
-        let mut a = AioCb::common_init(fd, prio, sigev_notify);
-        a.0.aio_offset = offs;
-        a.0.aio_nbytes = buf.len() as size_t;
-        a.0.aio_buf = buf.as_ptr() as *mut c_void;
-        a.0.aio_lio_opcode = opcode as libc::c_int;
-
-        Box::pin(AioCb {
-            aiocb: a,
-            mutable: true,
-            in_progress: false,
-            _buffer: PhantomData,
-            _pin: std::marker::PhantomPinned
-        })
+    fn error(self: Pin<&mut Self>) -> Result<()> {
+        let r = unsafe { libc::aio_error(&self.aiocb().0) };
+        match r {
+            0 => Ok(()),
+            num if num > 0 => Err(Errno::from_i32(num)),
+            -1 => Err(Errno::last()),
+            num => panic!("unknown aio_error return value {:?}", num),
+        }
     }
 
-    /// Constructs a new `AioCb` from a mutable raw pointer
-    ///
-    /// Unlike `from_mut_slice`, this method returns a structure suitable for
-    /// placement on the heap.  It may be used for both reads and writes.  Due
-    /// to its unsafety, this method is not recommended.  It is most useful when
-    /// heap allocation is required.
-    ///
-    /// # Parameters
-    ///
-    /// * `fd`:           File descriptor.  Required for all aio functions.
-    /// * `offs`:         File offset
-    /// * `buf`:          Pointer to the memory buffer
-    /// * `len`:          Length of the buffer pointed to by `buf`
-    /// * `prio`:         If POSIX Prioritized IO is supported, then the
-    ///                   operation will be prioritized at the process's
-    ///                   priority level minus `prio`
-    /// * `sigev_notify`: Determines how you will be notified of event
-    ///                   completion.
-    /// * `opcode`:       This field is only used for `lio_listio`.  It
-    ///                   determines which operation to use for this individual
-    ///                   aiocb
-    ///
-    /// # Safety
-    ///
-    /// The caller must ensure that the storage pointed to by `buf` outlives the
-    /// `AioCb`.  The lifetime checker can't help here.
-    pub unsafe fn from_mut_ptr(fd: RawFd, offs: off_t,
-                           buf: *mut c_void, len: usize,
-                           prio: libc::c_int, sigev_notify: SigevNotify,
-                           opcode: LioOpcode) -> Pin<Box<AioCb<'a>>> {
-        let mut a = AioCb::common_init(fd, prio, sigev_notify);
-        a.0.aio_offset = offs;
-        a.0.aio_nbytes = len;
-        a.0.aio_buf = buf;
-        a.0.aio_lio_opcode = opcode as libc::c_int;
-
-        Box::pin(AioCb {
-            aiocb: a,
-            mutable: true,
-            in_progress: false,
-            _buffer: PhantomData,
-            _pin: std::marker::PhantomPinned,
-        })
+    fn in_progress(&self) -> bool {
+        self.in_progress
     }
 
-    /// Constructs a new `AioCb` from a raw pointer.
-    ///
-    /// Unlike `from_slice`, this method returns a structure suitable for
-    /// placement on the heap.  Due to its unsafety, this method is not
-    /// recommended.  It is most useful when heap allocation is required.
-    ///
-    /// # Parameters
-    ///
-    /// * `fd`:           File descriptor.  Required for all aio functions.
-    /// * `offs`:         File offset
-    /// * `buf`:          Pointer to the memory buffer
-    /// * `len`:          Length of the buffer pointed to by `buf`
-    /// * `prio`:         If POSIX Prioritized IO is supported, then the
-    ///                   operation will be prioritized at the process's
-    ///                   priority level minus `prio`
-    /// * `sigev_notify`: Determines how you will be notified of event
-    ///                   completion.
-    /// * `opcode`:       This field is only used for `lio_listio`.  It
-    ///                   determines which operation to use for this individual
-    ///                   aiocb
-    ///
-    /// # Safety
-    ///
-    /// The caller must ensure that the storage pointed to by `buf` outlives the
-    /// `AioCb`.  The lifetime checker can't help here.
-    pub unsafe fn from_ptr(fd: RawFd, offs: off_t,
-                           buf: *const c_void, len: usize,
-                           prio: libc::c_int, sigev_notify: SigevNotify,
-                           opcode: LioOpcode) -> Pin<Box<AioCb<'a>>> {
-        let mut a = AioCb::common_init(fd, prio, sigev_notify);
-        a.0.aio_offset = offs;
-        a.0.aio_nbytes = len;
-        // casting a const ptr to a mutable ptr here is ok, because we set the
-        // AioCb's mutable field to false
-        a.0.aio_buf = buf as *mut c_void;
-        a.0.aio_lio_opcode = opcode as libc::c_int;
-
-        Box::pin(AioCb {
-            aiocb: a,
-            mutable: false,
-            in_progress: false,
-            _buffer: PhantomData,
-            _pin: std::marker::PhantomPinned
-        })
+    fn set_in_progress(mut self: Pin<&mut Self>) {
+        self.as_mut().in_progress = true;
     }
 
-    // Private helper
-    fn from_slice_unpinned(fd: RawFd, offs: off_t, buf: &'a [u8],
-                           prio: libc::c_int, sigev_notify: SigevNotify,
-                           opcode: LioOpcode) -> AioCb
-    {
-        let mut a = AioCb::common_init(fd, prio, sigev_notify);
-        a.0.aio_offset = offs;
-        a.0.aio_nbytes = buf.len() as size_t;
-        // casting an immutable buffer to a mutable pointer looks unsafe,
-        // but technically its only unsafe to dereference it, not to create
-        // it.
-        a.0.aio_buf = buf.as_ptr() as *mut c_void;
-        assert!(opcode != LioOpcode::LIO_READ, "Can't read into an immutable buffer");
-        a.0.aio_lio_opcode = opcode as libc::c_int;
-
-        AioCb {
-            aiocb: a,
-            mutable: false,
-            in_progress: false,
-            _buffer: PhantomData,
-            _pin: std::marker::PhantomPinned
-        }
+    /// Update the notification settings for an existing AIO operation that has
+    /// not yet been submitted.
+    // Takes a normal reference rather than a pinned one because this method is
+    // normally called before the object needs to be pinned, that is, before
+    // it's been submitted to the kernel.
+    fn set_sigev_notify(&mut self, sigev_notify: SigevNotify) {
+        assert!(
+            !self.in_progress,
+            "Can't change notification settings for an in-progress operation"
+        );
+        self.aiocb.0.aio_sigevent = SigEvent::new(sigev_notify).sigevent();
     }
+}
 
-    /// Like [`AioCb::from_mut_slice`], but works on constant slices rather than
-    /// mutable slices.
-    ///
-    /// An `AioCb` created this way cannot be used with `read`, and its
-    /// `LioOpcode` cannot be set to `LIO_READ`.  This method is useful when
-    /// writing a const buffer with `AioCb::write`, since `from_mut_slice` can't
-    /// work with const buffers.
-    ///
-    /// # Examples
-    ///
-    /// Construct an `AioCb` from a slice and use it for writing.
-    ///
-    /// ```
-    /// # use nix::errno::Errno;
-    /// # use nix::Error;
-    /// # use nix::sys::aio::*;
-    /// # use nix::sys::signal::SigevNotify;
-    /// # use std::{thread, time};
-    /// # use std::os::unix::io::AsRawFd;
-    /// # use tempfile::tempfile;
-    /// const WBUF: &[u8] = b"abcdef123456";
-    /// let mut f = tempfile().unwrap();
-    /// let mut aiocb = AioCb::from_slice( f.as_raw_fd(),
-    ///     2,   //offset
-    ///     WBUF,
-    ///     0,   //priority
-    ///     SigevNotify::SigevNone,
-    ///     LioOpcode::LIO_NOP);
-    /// aiocb.write().unwrap();
-    /// while (aiocb.error() == Err(Errno::EINPROGRESS)) {
-    ///     thread::sleep(time::Duration::from_millis(10));
-    /// }
-    /// assert_eq!(aiocb.aio_return().unwrap() as usize, WBUF.len());
-    /// ```
-    // Note: another solution to the problem of writing const buffers would be
-    // to genericize AioCb for both &mut [u8] and &[u8] buffers.  AioCb::read
-    // could take the former and AioCb::write could take the latter.  However,
-    // then lio_listio wouldn't work, because that function needs a slice of
-    // AioCb, and they must all be of the same type.
-    pub fn from_slice(fd: RawFd, offs: off_t, buf: &'a [u8],
-                      prio: libc::c_int, sigev_notify: SigevNotify,
-                      opcode: LioOpcode) -> Pin<Box<AioCb>>
-    {
-        Box::pin(AioCb::from_slice_unpinned(fd, offs, buf, prio, sigev_notify,
-                                            opcode))
+impl Debug for AioCb {
+    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+        fmt.debug_struct("AioCb")
+            .field("aiocb", &self.aiocb.0)
+            .field("in_progress", &self.in_progress)
+            .finish()
     }
+}
 
-    fn common_init(fd: RawFd, prio: libc::c_int,
-                   sigev_notify: SigevNotify) -> LibcAiocb {
-        // Use mem::zeroed instead of explicitly zeroing each field, because the
-        // number and name of reserved fields is OS-dependent.  On some OSes,
-        // some reserved fields are used the kernel for state, and must be
-        // explicitly zeroed when allocated.
-        let mut a = unsafe { mem::zeroed::<libc::aiocb>()};
-        a.aio_fildes = fd;
-        a.aio_reqprio = prio;
-        a.aio_sigevent = SigEvent::new(sigev_notify).sigevent();
-        LibcAiocb(a)
+impl Drop for AioCb {
+    /// If the `AioCb` has no remaining state in the kernel, just drop it.
+    /// Otherwise, dropping constitutes a resource leak, which is an error
+    fn drop(&mut self) {
+        assert!(
+            thread::panicking() || !self.in_progress,
+            "Dropped an in-progress AioCb"
+        );
     }
+}
 
-    /// Update the notification settings for an existing `aiocb`
-    pub fn set_sigev_notify(self: &mut Pin<Box<Self>>,
-                            sigev_notify: SigevNotify)
-    {
-        // Safe because we don't move any of the data
-        let selfp = unsafe {
-            self.as_mut().get_unchecked_mut()
-        };
-        selfp.aiocb.0.aio_sigevent = SigEvent::new(sigev_notify).sigevent();
-    }
+/// Methods common to all AIO operations
+pub trait Aio {
+    /// The return type of [`Aio::aio_return`].
+    type Output;
+
+    /// Retrieve return status of an asynchronous operation.
+    ///
+    /// Should only be called once for each operation, after [`Aio::error`]
+    /// indicates that it has completed.  The result is the same as for the
+    /// synchronous `read(2)`, `write(2)`, of `fsync(2)` functions.
+    ///
+    /// # References
+    ///
+    /// [aio_return](https://pubs.opengroup.org/onlinepubs/9699919799/functions/aio_return.html)
+    fn aio_return(self: Pin<&mut Self>) -> Result<Self::Output>;
 
     /// Cancels an outstanding AIO request.
     ///
@@ -477,51 +251,26 @@ impl<'a> AioCb<'a> {
     /// # use tempfile::tempfile;
     /// let wbuf = b"CDEF";
     /// let mut f = tempfile().unwrap();
-    /// let mut aiocb = AioCb::from_slice( f.as_raw_fd(),
+    /// let mut aiocb = Box::pin(AioWrite::new(f.as_raw_fd(),
     ///     2,   //offset
     ///     &wbuf[..],
     ///     0,   //priority
-    ///     SigevNotify::SigevNone,
-    ///     LioOpcode::LIO_NOP);
-    /// aiocb.write().unwrap();
-    /// let cs = aiocb.cancel().unwrap();
+    ///     SigevNotify::SigevNone));
+    /// aiocb.as_mut().submit().unwrap();
+    /// let cs = aiocb.as_mut().cancel().unwrap();
     /// if cs == AioCancelStat::AioNotCanceled {
-    ///     while (aiocb.error() == Err(Errno::EINPROGRESS)) {
+    ///     while (aiocb.as_mut().error() == Err(Errno::EINPROGRESS)) {
     ///         thread::sleep(time::Duration::from_millis(10));
     ///     }
     /// }
     /// // Must call `aio_return`, but ignore the result
-    /// let _ = aiocb.aio_return();
+    /// let _ = aiocb.as_mut().aio_return();
     /// ```
     ///
     /// # References
     ///
     /// [aio_cancel](https://pubs.opengroup.org/onlinepubs/9699919799/functions/aio_cancel.html)
-    pub fn cancel(self: &mut Pin<Box<Self>>) -> Result<AioCancelStat> {
-        let r = unsafe {
-            let selfp = self.as_mut().get_unchecked_mut();
-            libc::aio_cancel(selfp.aiocb.0.aio_fildes, &mut selfp.aiocb.0)
-        };
-        match r {
-            libc::AIO_CANCELED => Ok(AioCancelStat::AioCanceled),
-            libc::AIO_NOTCANCELED => Ok(AioCancelStat::AioNotCanceled),
-            libc::AIO_ALLDONE => Ok(AioCancelStat::AioAllDone),
-            -1 => Err(Errno::last()),
-            _ => panic!("unknown aio_cancel return value")
-        }
-    }
-
-    fn error_unpinned(&mut self) -> Result<()> {
-        let r = unsafe {
-            libc::aio_error(&mut self.aiocb.0 as *mut libc::aiocb)
-        };
-        match r {
-            0 => Ok(()),
-            num if num > 0 => Err(Errno::from_i32(num)),
-            -1 => Err(Errno::last()),
-            num => panic!("unknown aio_error return value {:?}", num)
-        }
-    }
+    fn cancel(self: Pin<&mut Self>) -> Result<AioCancelStat>;
 
     /// Retrieve error status of an asynchronous operation.
     ///
@@ -543,155 +292,222 @@ impl<'a> AioCb<'a> {
     /// # use tempfile::tempfile;
     /// const WBUF: &[u8] = b"abcdef123456";
     /// let mut f = tempfile().unwrap();
-    /// let mut aiocb = AioCb::from_slice( f.as_raw_fd(),
+    /// let mut aiocb = Box::pin(AioWrite::new(f.as_raw_fd(),
     ///     2,   //offset
     ///     WBUF,
     ///     0,   //priority
-    ///     SigevNotify::SigevNone,
-    ///     LioOpcode::LIO_NOP);
-    /// aiocb.write().unwrap();
-    /// while (aiocb.error() == Err(Errno::EINPROGRESS)) {
+    ///     SigevNotify::SigevNone));
+    /// aiocb.as_mut().submit().unwrap();
+    /// while (aiocb.as_mut().error() == Err(Errno::EINPROGRESS)) {
     ///     thread::sleep(time::Duration::from_millis(10));
     /// }
-    /// assert_eq!(aiocb.aio_return().unwrap() as usize, WBUF.len());
+    /// assert_eq!(aiocb.as_mut().aio_return().unwrap(), WBUF.len());
     /// ```
     ///
     /// # References
     ///
     /// [aio_error](https://pubs.opengroup.org/onlinepubs/9699919799/functions/aio_error.html)
-    pub fn error(self: &mut Pin<Box<Self>>) -> Result<()> {
-        // Safe because error_unpinned doesn't move the data
-        let selfp = unsafe {
-            self.as_mut().get_unchecked_mut()
-        };
-        selfp.error_unpinned()
-    }
+    fn error(self: Pin<&mut Self>) -> Result<()>;
 
-    /// An asynchronous version of `fsync(2)`.
+    /// Returns the underlying file descriptor associated with the operation.
+    fn fd(&self) -> RawFd;
+
+    /// Does this operation currently have any in-kernel state?
     ///
-    /// # References
+    /// Dropping an operation that does have in-kernel state constitutes a
+    /// resource leak.
     ///
-    /// [aio_fsync](https://pubs.opengroup.org/onlinepubs/9699919799/functions/aio_fsync.html)
-    pub fn fsync(self: &mut Pin<Box<Self>>, mode: AioFsyncMode) -> Result<()> {
-        // Safe because we don't move the libc::aiocb
-        unsafe {
-            let selfp = self.as_mut().get_unchecked_mut();
-            Errno::result({
-                let p: *mut libc::aiocb = &mut selfp.aiocb.0;
-                libc::aio_fsync(mode as libc::c_int, p)
-            }).map(|_| {
-                selfp.in_progress = true;
-            })
-        }
-    }
-
-    /// Returns the `aiocb`'s `LioOpcode` field
+    /// # Examples
     ///
-    /// If the value cannot be represented as an `LioOpcode`, returns `None`
-    /// instead.
-    pub fn lio_opcode(&self) -> Option<LioOpcode> {
-        match self.aiocb.0.aio_lio_opcode {
-            libc::LIO_READ => Some(LioOpcode::LIO_READ),
-            libc::LIO_WRITE => Some(LioOpcode::LIO_WRITE),
-            libc::LIO_NOP => Some(LioOpcode::LIO_NOP),
-            _ => None
-        }
-    }
+    /// ```
+    /// # use nix::errno::Errno;
+    /// # use nix::Error;
+    /// # use nix::sys::aio::*;
+    /// # use nix::sys::signal::SigevNotify::SigevNone;
+    /// # use std::{thread, time};
+    /// # use std::os::unix::io::AsRawFd;
+    /// # use tempfile::tempfile;
+    /// let f = tempfile().unwrap();
+    /// let mut aiof = Box::pin(AioFsync::new(f.as_raw_fd(), AioFsyncMode::O_SYNC,
+    ///     0, SigevNone));
+    /// assert!(!aiof.as_mut().in_progress());
+    /// aiof.as_mut().submit().expect("aio_fsync failed early");
+    /// assert!(aiof.as_mut().in_progress());
+    /// while (aiof.as_mut().error() == Err(Errno::EINPROGRESS)) {
+    ///     thread::sleep(time::Duration::from_millis(10));
+    /// }
+    /// aiof.as_mut().aio_return().expect("aio_fsync failed late");
+    /// assert!(!aiof.as_mut().in_progress());
+    /// ```
+    fn in_progress(&self) -> bool;
 
-    /// Returns the requested length of the aio operation in bytes
-    ///
-    /// This method returns the *requested* length of the operation.  To get the
-    /// number of bytes actually read or written by a completed operation, use
-    /// `aio_return` instead.
-    pub fn nbytes(&self) -> usize {
-        self.aiocb.0.aio_nbytes
-    }
+    /// Returns the priority of the `AioCb`
+    fn priority(&self) -> i32;
 
-    /// Returns the file offset stored in the `AioCb`
-    pub fn offset(&self) -> off_t {
-        self.aiocb.0.aio_offset
-    }
+    /// Update the notification settings for an existing AIO operation that has
+    /// not yet been submitted.
+    fn set_sigev_notify(&mut self, sev: SigevNotify);
 
-    /// Returns the priority of the `AioCb`
-    pub fn priority(&self) -> libc::c_int {
-        self.aiocb.0.aio_reqprio
-    }
+    /// Returns the `SigEvent` that will be used for notification.
+    fn sigevent(&self) -> SigEvent;
 
-    /// Asynchronously reads from a file descriptor into a buffer
+    /// Actually start the I/O operation.
     ///
-    /// # References
-    ///
-    /// [aio_read](https://pubs.opengroup.org/onlinepubs/9699919799/functions/aio_read.html)
-    pub fn read(self: &mut Pin<Box<Self>>) -> Result<()> {
-        assert!(self.mutable, "Can't read into an immutable buffer");
-        // Safe because we don't move anything
-        let selfp = unsafe {
-            self.as_mut().get_unchecked_mut()
-        };
-        Errno::result({
-            let p: *mut libc::aiocb = &mut selfp.aiocb.0;
-            unsafe { libc::aio_read(p) }
-        }).map(|_| {
-            selfp.in_progress = true;
-        })
-    }
+    /// After calling this method and until [`Aio::aio_return`] returns `Ok`,
+    /// the structure may not be moved in memory.
+    fn submit(self: Pin<&mut Self>) -> Result<()>;
+}
 
-    /// Returns the `SigEvent` stored in the `AioCb`
-    pub fn sigevent(&self) -> SigEvent {
-        SigEvent::from(&self.aiocb.0.aio_sigevent)
-    }
+macro_rules! aio_methods {
+    () => {
+        fn cancel(self: Pin<&mut Self>) -> Result<AioCancelStat> {
+            self.aiocb().cancel()
+        }
 
-    fn aio_return_unpinned(&mut self) -> Result<isize> {
-        unsafe {
-            let p: *mut libc::aiocb = &mut self.aiocb.0;
-            self.in_progress = false;
-            Errno::result(libc::aio_return(p))
+        fn error(self: Pin<&mut Self>) -> Result<()> {
+            self.aiocb().error()
         }
-    }
 
-    /// Retrieve return status of an asynchronous operation.
-    ///
-    /// Should only be called once for each `AioCb`, after `AioCb::error`
-    /// indicates that it has completed.  The result is the same as for the
-    /// synchronous `read(2)`, `write(2)`, of `fsync(2)` functions.
-    ///
-    /// # References
-    ///
-    /// [aio_return](https://pubs.opengroup.org/onlinepubs/9699919799/functions/aio_return.html)
-    // Note: this should be just `return`, but that's a reserved word
-    pub fn aio_return(self: &mut Pin<Box<Self>>) -> Result<isize> {
-        // Safe because aio_return_unpinned does not move the data
-        let selfp = unsafe {
-            self.as_mut().get_unchecked_mut()
-        };
-        selfp.aio_return_unpinned()
-    }
+        fn fd(&self) -> RawFd {
+            self.aiocb.aiocb.0.aio_fildes
+        }
 
-    /// Asynchronously writes from a buffer to a file descriptor
-    ///
-    /// # References
-    ///
-    /// [aio_write](https://pubs.opengroup.org/onlinepubs/9699919799/functions/aio_write.html)
-    pub fn write(self: &mut Pin<Box<Self>>) -> Result<()> {
-        // Safe because we don't move anything
-        let selfp = unsafe {
-            self.as_mut().get_unchecked_mut()
-        };
-        Errno::result({
-            let p: *mut libc::aiocb = &mut selfp.aiocb.0;
-            unsafe{ libc::aio_write(p) }
-        }).map(|_| {
-            selfp.in_progress = true;
-        })
-    }
-}
+        fn in_progress(&self) -> bool {
+            self.aiocb.in_progress()
+        }
 
-/// Cancels outstanding AIO requests for a given file descriptor.
+        fn priority(&self) -> i32 {
+            self.aiocb.aiocb.0.aio_reqprio
+        }
+
+        fn set_sigev_notify(&mut self, sev: SigevNotify) {
+            self.aiocb.set_sigev_notify(sev)
+        }
+
+        fn sigevent(&self) -> SigEvent {
+            SigEvent::from(&self.aiocb.aiocb.0.aio_sigevent)
+        }
+    };
+    ($func:ident) => {
+        aio_methods!();
+
+        fn aio_return(self: Pin<&mut Self>) -> Result<<Self as Aio>::Output> {
+            self.aiocb().aio_return()
+        }
+
+        fn submit(mut self: Pin<&mut Self>) -> Result<()> {
+            let p: *mut libc::aiocb = &mut self.as_mut().aiocb().aiocb.0;
+            Errno::result({ unsafe { libc::$func(p) } }).map(|_| {
+                self.aiocb().set_in_progress();
+            })
+        }
+    };
+}
+
+/// An asynchronous version of `fsync(2)`.
+///
+/// # References
+///
+/// [aio_fsync](https://pubs.opengroup.org/onlinepubs/9699919799/functions/aio_fsync.html)
+/// # Examples
+///
+/// ```
+/// # use nix::errno::Errno;
+/// # use nix::Error;
+/// # use nix::sys::aio::*;
+/// # use nix::sys::signal::SigevNotify::SigevNone;
+/// # use std::{thread, time};
+/// # use std::os::unix::io::AsRawFd;
+/// # use tempfile::tempfile;
+/// let f = tempfile().unwrap();
+/// let mut aiof = Box::pin(AioFsync::new(f.as_raw_fd(), AioFsyncMode::O_SYNC,
+///     0, SigevNone));
+/// aiof.as_mut().submit().expect("aio_fsync failed early");
+/// while (aiof.as_mut().error() == Err(Errno::EINPROGRESS)) {
+///     thread::sleep(time::Duration::from_millis(10));
+/// }
+/// aiof.as_mut().aio_return().expect("aio_fsync failed late");
+/// ```
+#[derive(Debug)]
+#[repr(transparent)]
+pub struct AioFsync {
+    aiocb: AioCb,
+    _pin:  PhantomPinned,
+}
+
+impl AioFsync {
+    unsafe_pinned!(aiocb: AioCb);
+
+    /// Returns the operation's fsync mode: data and metadata or data only?
+    pub fn mode(&self) -> AioFsyncMode {
+        AioFsyncMode::try_from(self.aiocb.aiocb.0.aio_lio_opcode).unwrap()
+    }
+
+    /// Create a new `AioFsync`.
+    ///
+    /// # Arguments
+    ///
+    /// * `fd`:           File descriptor to sync.
+    /// * `mode`:         Whether to sync file metadata too, or just data.
+    /// * `prio`:         If POSIX Prioritized IO is supported, then the
+    ///                   operation will be prioritized at the process's
+    ///                   priority level minus `prio`.
+    /// * `sigev_notify`: Determines how you will be notified of event
+    ///                   completion.
+    pub fn new(
+        fd: RawFd,
+        mode: AioFsyncMode,
+        prio: i32,
+        sigev_notify: SigevNotify,
+    ) -> Self {
+        let mut aiocb = AioCb::common_init(fd, prio, sigev_notify);
+        // To save some memory, store mode in an unused field of the AioCb.
+        // True it isn't very much memory, but downstream creates will likely
+        // create an enum containing this and other AioCb variants and pack
+        // those enums into data structures like Vec, so it adds up.
+        aiocb.aiocb.0.aio_lio_opcode = mode as libc::c_int;
+        AioFsync {
+            aiocb,
+            _pin: PhantomPinned,
+        }
+    }
+}
+
+impl Aio for AioFsync {
+    type Output = ();
+
+    aio_methods!();
+
+    fn aio_return(self: Pin<&mut Self>) -> Result<()> {
+        self.aiocb().aio_return().map(drop)
+    }
+
+    fn submit(mut self: Pin<&mut Self>) -> Result<()> {
+        let aiocb = &mut self.as_mut().aiocb().aiocb.0;
+        let mode = mem::replace(&mut aiocb.aio_lio_opcode, 0);
+        let p: *mut libc::aiocb = aiocb;
+        Errno::result(unsafe { libc::aio_fsync(mode, p) }).map(|_| {
+            self.aiocb().set_in_progress();
+        })
+    }
+}
+
+// AioFsync does not need AsMut, since it can't be used with lio_listio
+
+impl AsRef<libc::aiocb> for AioFsync {
+    fn as_ref(&self) -> &libc::aiocb {
+        &self.aiocb.aiocb.0
+    }
+}
+
+/// Asynchronously reads from a file descriptor into a buffer
+///
+/// # References
+///
+/// [aio_read](https://pubs.opengroup.org/onlinepubs/9699919799/functions/aio_read.html)
 ///
 /// # Examples
 ///
-/// Issue an aio operation, then cancel all outstanding operations on that file
-/// descriptor.
 ///
 /// ```
 /// # use nix::errno::Errno;
@@ -702,428 +518,727 @@ impl<'a> AioCb<'a> {
 /// # use std::io::Write;
 /// # use std::os::unix::io::AsRawFd;
 /// # use tempfile::tempfile;
-/// let wbuf = b"CDEF";
+/// const INITIAL: &[u8] = b"abcdef123456";
+/// const LEN: usize = 4;
+/// let mut rbuf = vec![0; LEN];
 /// let mut f = tempfile().unwrap();
-/// let mut aiocb = AioCb::from_slice( f.as_raw_fd(),
-///     2,   //offset
-///     &wbuf[..],
-///     0,   //priority
-///     SigevNotify::SigevNone,
-///     LioOpcode::LIO_NOP);
-/// aiocb.write().unwrap();
-/// let cs = aio_cancel_all(f.as_raw_fd()).unwrap();
-/// if cs == AioCancelStat::AioNotCanceled {
-///     while (aiocb.error() == Err(Errno::EINPROGRESS)) {
+/// f.write_all(INITIAL).unwrap();
+/// {
+///     let mut aior = Box::pin(
+///         AioRead::new(
+///             f.as_raw_fd(),
+///             2,   //offset
+///             &mut rbuf,
+///             0,   //priority
+///             SigevNotify::SigevNone
+///         )
+///     );
+///     aior.as_mut().submit().unwrap();
+///     while (aior.as_mut().error() == Err(Errno::EINPROGRESS)) {
 ///         thread::sleep(time::Duration::from_millis(10));
 ///     }
+///     assert_eq!(aior.as_mut().aio_return().unwrap(), LEN);
 /// }
-/// // Must call `aio_return`, but ignore the result
-/// let _ = aiocb.aio_return();
+/// assert_eq!(rbuf, b"cdef");
 /// ```
-///
-/// # References
-///
-/// [`aio_cancel`](https://pubs.opengroup.org/onlinepubs/9699919799/functions/aio_cancel.html)
-pub fn aio_cancel_all(fd: RawFd) -> Result<AioCancelStat> {
-    match unsafe { libc::aio_cancel(fd, null_mut()) } {
-        libc::AIO_CANCELED => Ok(AioCancelStat::AioCanceled),
-        libc::AIO_NOTCANCELED => Ok(AioCancelStat::AioNotCanceled),
-        libc::AIO_ALLDONE => Ok(AioCancelStat::AioAllDone),
-        -1 => Err(Errno::last()),
-        _ => panic!("unknown aio_cancel return value")
+#[derive(Debug)]
+#[repr(transparent)]
+pub struct AioRead<'a> {
+    aiocb: AioCb,
+    _data: PhantomData<&'a [u8]>,
+    _pin:  PhantomPinned,
+}
+
+impl<'a> AioRead<'a> {
+    unsafe_pinned!(aiocb: AioCb);
+
+    /// Returns the requested length of the aio operation in bytes
+    ///
+    /// This method returns the *requested* length of the operation.  To get the
+    /// number of bytes actually read or written by a completed operation, use
+    /// `aio_return` instead.
+    pub fn nbytes(&self) -> usize {
+        self.aiocb.aiocb.0.aio_nbytes
+    }
+
+    /// Create a new `AioRead`, placing the data in a mutable slice.
+    ///
+    /// # Arguments
+    ///
+    /// * `fd`:           File descriptor to read from
+    /// * `offs`:         File offset
+    /// * `buf`:          A memory buffer.  It must outlive the `AioRead`.
+    /// * `prio`:         If POSIX Prioritized IO is supported, then the
+    ///                   operation will be prioritized at the process's
+    ///                   priority level minus `prio`
+    /// * `sigev_notify`: Determines how you will be notified of event
+    ///                   completion.
+    pub fn new(
+        fd: RawFd,
+        offs: off_t,
+        buf: &'a mut [u8],
+        prio: i32,
+        sigev_notify: SigevNotify,
+    ) -> Self {
+        let mut aiocb = AioCb::common_init(fd, prio, sigev_notify);
+        aiocb.aiocb.0.aio_nbytes = buf.len();
+        aiocb.aiocb.0.aio_buf = buf.as_mut_ptr() as *mut c_void;
+        aiocb.aiocb.0.aio_lio_opcode = libc::LIO_READ;
+        aiocb.aiocb.0.aio_offset = offs;
+        AioRead {
+            aiocb,
+            _data: PhantomData,
+            _pin: PhantomPinned,
+        }
+    }
+
+    /// Returns the file offset of the operation.
+    pub fn offset(&self) -> off_t {
+        self.aiocb.aiocb.0.aio_offset
     }
 }
 
-/// Suspends the calling process until at least one of the specified `AioCb`s
-/// has completed, a signal is delivered, or the timeout has passed.
+impl<'a> Aio for AioRead<'a> {
+    type Output = usize;
+
+    aio_methods!(aio_read);
+}
+
+impl<'a> AsMut<libc::aiocb> for AioRead<'a> {
+    fn as_mut(&mut self) -> &mut libc::aiocb {
+        &mut self.aiocb.aiocb.0
+    }
+}
+
+impl<'a> AsRef<libc::aiocb> for AioRead<'a> {
+    fn as_ref(&self) -> &libc::aiocb {
+        &self.aiocb.aiocb.0
+    }
+}
+
+/// Asynchronously reads from a file descriptor into a scatter/gather list of buffers.
 ///
-/// If `timeout` is `None`, `aio_suspend` will block indefinitely.
+/// # References
+///
+/// [aio_readv](https://www.freebsd.org/cgi/man.cgi?query=aio_readv)
 ///
 /// # Examples
 ///
-/// Use `aio_suspend` to block until an aio operation completes.
 ///
-/// ```
+#[cfg_attr(fbsd14, doc = " ```")]
+#[cfg_attr(not(fbsd14), doc = " ```no_run")]
+/// # use nix::errno::Errno;
+/// # use nix::Error;
 /// # use nix::sys::aio::*;
 /// # use nix::sys::signal::SigevNotify;
+/// # use std::{thread, time};
+/// # use std::io::{IoSliceMut, Write};
 /// # use std::os::unix::io::AsRawFd;
 /// # use tempfile::tempfile;
-/// const WBUF: &[u8] = b"abcdef123456";
+/// const INITIAL: &[u8] = b"abcdef123456";
+/// let mut rbuf0 = vec![0; 4];
+/// let mut rbuf1 = vec![0; 2];
+/// let expected_len = rbuf0.len() + rbuf1.len();
+/// let mut rbufs = [IoSliceMut::new(&mut rbuf0), IoSliceMut::new(&mut rbuf1)];
 /// let mut f = tempfile().unwrap();
-/// let mut aiocb = AioCb::from_slice( f.as_raw_fd(),
-///     2,   //offset
-///     WBUF,
-///     0,   //priority
-///     SigevNotify::SigevNone,
-///     LioOpcode::LIO_NOP);
-/// aiocb.write().unwrap();
-/// aio_suspend(&[aiocb.as_ref()], None).expect("aio_suspend failed");
-/// assert_eq!(aiocb.aio_return().unwrap() as usize, WBUF.len());
+/// f.write_all(INITIAL).unwrap();
+/// {
+///     let mut aior = Box::pin(
+///         AioReadv::new(
+///             f.as_raw_fd(),
+///             2,   //offset
+///             &mut rbufs,
+///             0,   //priority
+///             SigevNotify::SigevNone
+///         )
+///     );
+///     aior.as_mut().submit().unwrap();
+///     while (aior.as_mut().error() == Err(Errno::EINPROGRESS)) {
+///         thread::sleep(time::Duration::from_millis(10));
+///     }
+///     assert_eq!(aior.as_mut().aio_return().unwrap(), expected_len);
+/// }
+/// assert_eq!(rbuf0, b"cdef");
+/// assert_eq!(rbuf1, b"12");
 /// ```
-/// # References
-///
-/// [`aio_suspend`](https://pubs.opengroup.org/onlinepubs/9699919799/functions/aio_suspend.html)
-pub fn aio_suspend(list: &[Pin<&AioCb>], timeout: Option<TimeSpec>) -> Result<()> {
-    let plist = list as *const [Pin<&AioCb>] as *const [*const libc::aiocb];
-    let p = plist as *const *const libc::aiocb;
-    let timep = match timeout {
-        None    => null::<libc::timespec>(),
-        Some(x) => x.as_ref() as *const libc::timespec
-    };
-    Errno::result(unsafe {
-        libc::aio_suspend(p, list.len() as i32, timep)
-    }).map(drop)
+#[cfg(target_os = "freebsd")]
+#[derive(Debug)]
+#[repr(transparent)]
+pub struct AioReadv<'a> {
+    aiocb: AioCb,
+    _data: PhantomData<&'a [&'a [u8]]>,
+    _pin:  PhantomPinned,
 }
 
-impl<'a> Debug for AioCb<'a> {
-    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
-        fmt.debug_struct("AioCb")
-            .field("aiocb", &self.aiocb.0)
-            .field("mutable", &self.mutable)
-            .field("in_progress", &self.in_progress)
-            .finish()
+#[cfg(target_os = "freebsd")]
+impl<'a> AioReadv<'a> {
+    unsafe_pinned!(aiocb: AioCb);
+
+    /// Returns the number of buffers the operation will read into.
+    pub fn iovlen(&self) -> usize {
+        self.aiocb.aiocb.0.aio_nbytes
     }
-}
 
-impl<'a> Drop for AioCb<'a> {
-    /// If the `AioCb` has no remaining state in the kernel, just drop it.
-    /// Otherwise, dropping constitutes a resource leak, which is an error
-    fn drop(&mut self) {
-        assert!(thread::panicking() || !self.in_progress,
-                "Dropped an in-progress AioCb");
+    /// Create a new `AioReadv`, placing the data in a list of mutable slices.
+    ///
+    /// # Arguments
+    ///
+    /// * `fd`:           File descriptor to read from
+    /// * `offs`:         File offset
+    /// * `bufs`:         A scatter/gather list of memory buffers.  They must
+    ///                   outlive the `AioReadv`.
+    /// * `prio`:         If POSIX Prioritized IO is supported, then the
+    ///                   operation will be prioritized at the process's
+    ///                   priority level minus `prio`
+    /// * `sigev_notify`: Determines how you will be notified of event
+    ///                   completion.
+    pub fn new(
+        fd: RawFd,
+        offs: off_t,
+        bufs: &mut [IoSliceMut<'a>],
+        prio: i32,
+        sigev_notify: SigevNotify,
+    ) -> Self {
+        let mut aiocb = AioCb::common_init(fd, prio, sigev_notify);
+        // In vectored mode, aio_nbytes stores the length of the iovec array,
+        // not the byte count.
+        aiocb.aiocb.0.aio_nbytes = bufs.len();
+        aiocb.aiocb.0.aio_buf = bufs.as_mut_ptr() as *mut c_void;
+        aiocb.aiocb.0.aio_lio_opcode = libc::LIO_READV;
+        aiocb.aiocb.0.aio_offset = offs;
+        AioReadv {
+            aiocb,
+            _data: PhantomData,
+            _pin: PhantomPinned,
+        }
+    }
+
+    /// Returns the file offset of the operation.
+    pub fn offset(&self) -> off_t {
+        self.aiocb.aiocb.0.aio_offset
     }
 }
 
-/// LIO Control Block.
-///
-/// The basic structure used to issue multiple AIO operations simultaneously.
-#[cfg(not(any(target_os = "ios", target_os = "macos")))]
-#[cfg_attr(docsrs, doc(cfg(all())))]
-pub struct LioCb<'a> {
-    /// A collection of [`AioCb`]s.  All of these will be issued simultaneously
-    /// by the [`listio`] method.
-    ///
-    /// [`AioCb`]: struct.AioCb.html
-    /// [`listio`]: #method.listio
-    // Their locations in memory must be fixed once they are passed to the
-    // kernel.  So this field must be non-public so the user can't swap.
-    aiocbs: Box<[AioCb<'a>]>,
+#[cfg(target_os = "freebsd")]
+impl<'a> Aio for AioReadv<'a> {
+    type Output = usize;
 
-    /// The actual list passed to `libc::lio_listio`.
-    ///
-    /// It must live for as long as any of the operations are still being
-    /// processesed, because the aio subsystem uses its address as a unique
-    /// identifier.
-    list: Vec<*mut libc::aiocb>,
-
-    /// A partial set of results.  This field will get populated by
-    /// `listio_resubmit` when an `LioCb` is resubmitted after an error
-    results: Vec<Option<Result<isize>>>
+    aio_methods!(aio_readv);
 }
 
-/// LioCb can't automatically impl Send and Sync just because of the raw
-/// pointers in list.  But that's stupid.  There's no reason that raw pointers
-/// should automatically be non-Send
-#[cfg(not(any(target_os = "ios", target_os = "macos")))]
-unsafe impl<'a> Send for LioCb<'a> {}
-#[cfg(not(any(target_os = "ios", target_os = "macos")))]
-unsafe impl<'a> Sync for LioCb<'a> {}
-
-#[cfg(not(any(target_os = "ios", target_os = "macos")))]
-#[cfg_attr(docsrs, doc(cfg(all())))]
-impl<'a> LioCb<'a> {
-    /// Are no [`AioCb`]s contained?
-    pub fn is_empty(&self) -> bool {
-        self.aiocbs.is_empty()
+#[cfg(target_os = "freebsd")]
+impl<'a> AsMut<libc::aiocb> for AioReadv<'a> {
+    fn as_mut(&mut self) -> &mut libc::aiocb {
+        &mut self.aiocb.aiocb.0
     }
+}
 
-    /// Return the number of individual [`AioCb`]s contained.
-    pub fn len(&self) -> usize {
-        self.aiocbs.len()
+#[cfg(target_os = "freebsd")]
+impl<'a> AsRef<libc::aiocb> for AioReadv<'a> {
+    fn as_ref(&self) -> &libc::aiocb {
+        &self.aiocb.aiocb.0
     }
+}
 
-    /// Submits multiple asynchronous I/O requests with a single system call.
-    ///
-    /// They are not guaranteed to complete atomically, and the order in which
-    /// the requests are carried out is not specified.  Reads, writes, and
-    /// fsyncs may be freely mixed.
-    ///
-    /// This function is useful for reducing the context-switch overhead of
-    /// submitting many AIO operations.  It can also be used with
-    /// `LioMode::LIO_WAIT` to block on the result of several independent
-    /// operations.  Used that way, it is often useful in programs that
-    /// otherwise make little use of AIO.
-    ///
-    /// # Examples
-    ///
-    /// Use `listio` to submit an aio operation and wait for its completion.  In
-    /// this case, there is no need to use [`aio_suspend`] to wait or
-    /// [`AioCb::error`] to poll.
-    ///
-    /// ```
-    /// # use nix::sys::aio::*;
-    /// # use nix::sys::signal::SigevNotify;
-    /// # use std::os::unix::io::AsRawFd;
-    /// # use tempfile::tempfile;
-    /// const WBUF: &[u8] = b"abcdef123456";
-    /// let mut f = tempfile().unwrap();
-    /// let mut liocb = LioCbBuilder::with_capacity(1)
-    ///     .emplace_slice(
-    ///         f.as_raw_fd(),
-    ///         2,   //offset
-    ///         WBUF,
-    ///         0,   //priority
-    ///         SigevNotify::SigevNone,
-    ///         LioOpcode::LIO_WRITE
-    ///     ).finish();
-    /// liocb.listio(LioMode::LIO_WAIT,
-    ///              SigevNotify::SigevNone).unwrap();
-    /// assert_eq!(liocb.aio_return(0).unwrap() as usize, WBUF.len());
-    /// ```
-    ///
-    /// # References
-    ///
-    /// [`lio_listio`](https://pubs.opengroup.org/onlinepubs/9699919799/functions/lio_listio.html)
+/// Asynchronously writes from a buffer to a file descriptor
+///
+/// # References
+///
+/// [aio_write](https://pubs.opengroup.org/onlinepubs/9699919799/functions/aio_write.html)
+///
+/// # Examples
+///
+/// ```
+/// # use nix::errno::Errno;
+/// # use nix::Error;
+/// # use nix::sys::aio::*;
+/// # use nix::sys::signal::SigevNotify;
+/// # use std::{thread, time};
+/// # use std::os::unix::io::AsRawFd;
+/// # use tempfile::tempfile;
+/// const WBUF: &[u8] = b"abcdef123456";
+/// let mut f = tempfile().unwrap();
+/// let mut aiow = Box::pin(
+///     AioWrite::new(
+///         f.as_raw_fd(),
+///         2,   //offset
+///         WBUF,
+///         0,   //priority
+///         SigevNotify::SigevNone
+///     )
+/// );
+/// aiow.as_mut().submit().unwrap();
+/// while (aiow.as_mut().error() == Err(Errno::EINPROGRESS)) {
+///     thread::sleep(time::Duration::from_millis(10));
+/// }
+/// assert_eq!(aiow.as_mut().aio_return().unwrap(), WBUF.len());
+/// ```
+#[derive(Debug)]
+#[repr(transparent)]
+pub struct AioWrite<'a> {
+    aiocb: AioCb,
+    _data: PhantomData<&'a [u8]>,
+    _pin:  PhantomPinned,
+}
+
+impl<'a> AioWrite<'a> {
+    unsafe_pinned!(aiocb: AioCb);
+
+    /// Returns the requested length of the aio operation in bytes
     ///
-    /// [`aio_suspend`]: fn.aio_suspend.html
-    /// [`AioCb::error`]: struct.AioCb.html#method.error
-    pub fn listio(&mut self, mode: LioMode,
-                  sigev_notify: SigevNotify) -> Result<()> {
-        let sigev = SigEvent::new(sigev_notify);
-        let sigevp = &mut sigev.sigevent() as *mut libc::sigevent;
-        self.list.clear();
-        for a in &mut self.aiocbs.iter_mut() {
-            a.in_progress = true;
-            self.list.push(a as *mut AioCb<'a>
-                             as *mut libc::aiocb);
-        }
-        let p = self.list.as_ptr();
-        Errno::result(unsafe {
-            libc::lio_listio(mode as i32, p, self.list.len() as i32, sigevp)
-        }).map(drop)
+    /// This method returns the *requested* length of the operation.  To get the
+    /// number of bytes actually read or written by a completed operation, use
+    /// `aio_return` instead.
+    pub fn nbytes(&self) -> usize {
+        self.aiocb.aiocb.0.aio_nbytes
     }
 
-    /// Resubmits any incomplete operations with [`lio_listio`].
-    ///
-    /// Sometimes, due to system resource limitations, an `lio_listio` call will
-    /// return `EIO`, or `EAGAIN`.  Or, if a signal is received, it may return
-    /// `EINTR`.  In any of these cases, only a subset of its constituent
-    /// operations will actually have been initiated.  `listio_resubmit` will
-    /// resubmit any operations that are still uninitiated.
-    ///
-    /// After calling `listio_resubmit`, results should be collected by
-    /// [`LioCb::aio_return`].
-    ///
-    /// # Examples
-    /// ```no_run
-    /// # use nix::Error;
-    /// # use nix::errno::Errno;
-    /// # use nix::sys::aio::*;
-    /// # use nix::sys::signal::SigevNotify;
-    /// # use std::os::unix::io::AsRawFd;
-    /// # use std::{thread, time};
-    /// # use tempfile::tempfile;
-    /// const WBUF: &[u8] = b"abcdef123456";
-    /// let mut f = tempfile().unwrap();
-    /// let mut liocb = LioCbBuilder::with_capacity(1)
-    ///     .emplace_slice(
-    ///         f.as_raw_fd(),
-    ///         2,   //offset
-    ///         WBUF,
-    ///         0,   //priority
-    ///         SigevNotify::SigevNone,
-    ///         LioOpcode::LIO_WRITE
-    ///     ).finish();
-    /// let mut err = liocb.listio(LioMode::LIO_WAIT, SigevNotify::SigevNone);
-    /// while err == Err(Errno::EIO) ||
-    ///       err == Err(Errno::EAGAIN) {
-    ///     thread::sleep(time::Duration::from_millis(10));
-    ///     err = liocb.listio_resubmit(LioMode::LIO_WAIT, SigevNotify::SigevNone);
-    /// }
-    /// assert_eq!(liocb.aio_return(0).unwrap() as usize, WBUF.len());
-    /// ```
-    ///
-    /// # References
+    /// Construct a new `AioWrite`.
     ///
-    /// [`lio_listio`](https://pubs.opengroup.org/onlinepubs/9699919799/functions/lio_listio.html)
+    /// # Arguments
     ///
-    /// [`lio_listio`]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/lio_listio.html
-    /// [`LioCb::aio_return`]: struct.LioCb.html#method.aio_return
-    // Note: the addresses of any EINPROGRESS or EOK aiocbs _must_ not be
-    // changed by this method, because the kernel relies on their addresses
-    // being stable.
-    // Note: aiocbs that are Ok(()) must be finalized by aio_return, or else the
-    // sigev_notify will immediately refire.
-    pub fn listio_resubmit(&mut self, mode:LioMode,
-                           sigev_notify: SigevNotify) -> Result<()> {
-        let sigev = SigEvent::new(sigev_notify);
-        let sigevp = &mut sigev.sigevent() as *mut libc::sigevent;
-        self.list.clear();
-
-        while self.results.len() < self.aiocbs.len() {
-            self.results.push(None);
-        }
-
-        for (i, a) in self.aiocbs.iter_mut().enumerate() {
-            if self.results[i].is_some() {
-                // Already collected final status for this operation
-                continue;
-            }
-            match a.error_unpinned() {
-                Ok(()) => {
-                    // aiocb is complete; collect its status and don't resubmit
-                    self.results[i] = Some(a.aio_return_unpinned());
-                },
-                Err(Errno::EAGAIN) => {
-                    self.list.push(a as *mut AioCb<'a> as *mut libc::aiocb);
-                },
-                Err(Errno::EINPROGRESS) => {
-                    // aiocb is was successfully queued; no need to do anything
-                },
-                Err(Errno::EINVAL) => panic!(
-                    "AioCb was never submitted, or already finalized"),
-                _ => unreachable!()
-            }
+    /// * `fd`:           File descriptor to write to
+    /// * `offs`:         File offset
+    /// * `buf`:          A memory buffer.  It must outlive the `AioWrite`.
+    /// * `prio`:         If POSIX Prioritized IO is supported, then the
+    ///                   operation will be prioritized at the process's
+    ///                   priority level minus `prio`
+    /// * `sigev_notify`: Determines how you will be notified of event
+    ///                   completion.
+    pub fn new(
+        fd: RawFd,
+        offs: off_t,
+        buf: &'a [u8],
+        prio: i32,
+        sigev_notify: SigevNotify,
+    ) -> Self {
+        let mut aiocb = AioCb::common_init(fd, prio, sigev_notify);
+        aiocb.aiocb.0.aio_nbytes = buf.len();
+        // casting an immutable buffer to a mutable pointer looks unsafe,
+        // but technically its only unsafe to dereference it, not to create
+        // it.  Type Safety guarantees that we'll never pass aiocb to
+        // aio_read or aio_readv.
+        aiocb.aiocb.0.aio_buf = buf.as_ptr() as *mut c_void;
+        aiocb.aiocb.0.aio_lio_opcode = libc::LIO_WRITE;
+        aiocb.aiocb.0.aio_offset = offs;
+        AioWrite {
+            aiocb,
+            _data: PhantomData,
+            _pin: PhantomPinned,
         }
-        let p = self.list.as_ptr();
-        Errno::result(unsafe {
-            libc::lio_listio(mode as i32, p, self.list.len() as i32, sigevp)
-        }).map(drop)
     }
 
-    /// Collect final status for an individual `AioCb` submitted as part of an
-    /// `LioCb`.
-    ///
-    /// This is just like [`AioCb::aio_return`], except it takes into account
-    /// operations that were restarted by [`LioCb::listio_resubmit`]
-    ///
-    /// [`AioCb::aio_return`]: struct.AioCb.html#method.aio_return
-    /// [`LioCb::listio_resubmit`]: #method.listio_resubmit
-    pub fn aio_return(&mut self, i: usize) -> Result<isize> {
-        if i >= self.results.len() || self.results[i].is_none() {
-            self.aiocbs[i].aio_return_unpinned()
-        } else {
-            self.results[i].unwrap()
-        }
+    /// Returns the file offset of the operation.
+    pub fn offset(&self) -> off_t {
+        self.aiocb.aiocb.0.aio_offset
     }
+}
 
-    /// Retrieve error status of an individual `AioCb` submitted as part of an
-    /// `LioCb`.
-    ///
-    /// This is just like [`AioCb::error`], except it takes into account
-    /// operations that were restarted by [`LioCb::listio_resubmit`]
-    ///
-    /// [`AioCb::error`]: struct.AioCb.html#method.error
-    /// [`LioCb::listio_resubmit`]: #method.listio_resubmit
-    pub fn error(&mut self, i: usize) -> Result<()> {
-        if i >= self.results.len() || self.results[i].is_none() {
-            self.aiocbs[i].error_unpinned()
-        } else {
-            Ok(())
-        }
+impl<'a> Aio for AioWrite<'a> {
+    type Output = usize;
+
+    aio_methods!(aio_write);
+}
+
+impl<'a> AsMut<libc::aiocb> for AioWrite<'a> {
+    fn as_mut(&mut self) -> &mut libc::aiocb {
+        &mut self.aiocb.aiocb.0
     }
 }
 
-#[cfg(not(any(target_os = "ios", target_os = "macos")))]
-impl<'a> Debug for LioCb<'a> {
-    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
-        fmt.debug_struct("LioCb")
-            .field("aiocbs", &self.aiocbs)
-            .finish()
+impl<'a> AsRef<libc::aiocb> for AioWrite<'a> {
+    fn as_ref(&self) -> &libc::aiocb {
+        &self.aiocb.aiocb.0
     }
 }
 
-/// Used to construct `LioCb`
-// This must be a separate class from LioCb due to pinning constraints.  LioCb
-// must use a boxed slice of AioCbs so they will have stable storage, but
-// LioCbBuilder must use a Vec to make construction possible when the final size
-// is unknown.
-#[cfg(not(any(target_os = "ios", target_os = "macos")))]
-#[cfg_attr(docsrs, doc(cfg(all())))]
+/// Asynchronously writes from a scatter/gather list of buffers to a file descriptor.
+///
+/// # References
+///
+/// [aio_writev](https://www.freebsd.org/cgi/man.cgi?query=aio_writev)
+///
+/// # Examples
+///
+#[cfg_attr(fbsd14, doc = " ```")]
+#[cfg_attr(not(fbsd14), doc = " ```no_run")]
+/// # use nix::errno::Errno;
+/// # use nix::Error;
+/// # use nix::sys::aio::*;
+/// # use nix::sys::signal::SigevNotify;
+/// # use std::{thread, time};
+/// # use std::io::IoSlice;
+/// # use std::os::unix::io::AsRawFd;
+/// # use tempfile::tempfile;
+/// const wbuf0: &[u8] = b"abcdef";
+/// const wbuf1: &[u8] = b"123456";
+/// let len = wbuf0.len() + wbuf1.len();
+/// let wbufs = [IoSlice::new(wbuf0), IoSlice::new(wbuf1)];
+/// let mut f = tempfile().unwrap();
+/// let mut aiow = Box::pin(
+///     AioWritev::new(
+///         f.as_raw_fd(),
+///         2,   //offset
+///         &wbufs,
+///         0,   //priority
+///         SigevNotify::SigevNone
+///     )
+/// );
+/// aiow.as_mut().submit().unwrap();
+/// while (aiow.as_mut().error() == Err(Errno::EINPROGRESS)) {
+///     thread::sleep(time::Duration::from_millis(10));
+/// }
+/// assert_eq!(aiow.as_mut().aio_return().unwrap(), len);
+/// ```
+#[cfg(target_os = "freebsd")]
 #[derive(Debug)]
-pub struct LioCbBuilder<'a> {
-    /// A collection of [`AioCb`]s.
-    ///
-    /// [`AioCb`]: struct.AioCb.html
-    pub aiocbs: Vec<AioCb<'a>>,
+#[repr(transparent)]
+pub struct AioWritev<'a> {
+    aiocb: AioCb,
+    _data: PhantomData<&'a [&'a [u8]]>,
+    _pin:  PhantomPinned,
 }
 
-#[cfg(not(any(target_os = "ios", target_os = "macos")))]
-#[cfg_attr(docsrs, doc(cfg(all())))]
-impl<'a> LioCbBuilder<'a> {
-    /// Initialize an empty `LioCb`
-    pub fn with_capacity(capacity: usize) -> LioCbBuilder<'a> {
-        LioCbBuilder {
-            aiocbs: Vec::with_capacity(capacity),
-        }
+#[cfg(target_os = "freebsd")]
+impl<'a> AioWritev<'a> {
+    unsafe_pinned!(aiocb: AioCb);
+
+    /// Returns the number of buffers the operation will read into.
+    pub fn iovlen(&self) -> usize {
+        self.aiocb.aiocb.0.aio_nbytes
     }
 
-    /// Add a new operation on an immutable slice to the [`LioCb`] under
-    /// construction.
+    /// Construct a new `AioWritev`.
     ///
-    /// Arguments are the same as for [`AioCb::from_slice`]
+    /// # Arguments
     ///
-    /// [`LioCb`]: struct.LioCb.html
-    /// [`AioCb::from_slice`]: struct.AioCb.html#method.from_slice
-    #[must_use]
-    pub fn emplace_slice(mut self, fd: RawFd, offs: off_t, buf: &'a [u8],
-                         prio: libc::c_int, sigev_notify: SigevNotify,
-                         opcode: LioOpcode) -> Self
-    {
-        self.aiocbs.push(AioCb::from_slice_unpinned(fd, offs, buf, prio,
-                                                    sigev_notify, opcode));
-        self
+    /// * `fd`:           File descriptor to write to
+    /// * `offs`:         File offset
+    /// * `bufs`:         A scatter/gather list of memory buffers.  They must
+    ///                   outlive the `AioWritev`.
+    /// * `prio`:         If POSIX Prioritized IO is supported, then the
+    ///                   operation will be prioritized at the process's
+    ///                   priority level minus `prio`
+    /// * `sigev_notify`: Determines how you will be notified of event
+    ///                   completion.
+    pub fn new(
+        fd: RawFd,
+        offs: off_t,
+        bufs: &[IoSlice<'a>],
+        prio: i32,
+        sigev_notify: SigevNotify,
+    ) -> Self {
+        let mut aiocb = AioCb::common_init(fd, prio, sigev_notify);
+        // In vectored mode, aio_nbytes stores the length of the iovec array,
+        // not the byte count.
+        aiocb.aiocb.0.aio_nbytes = bufs.len();
+        // casting an immutable buffer to a mutable pointer looks unsafe,
+        // but technically its only unsafe to dereference it, not to create
+        // it.  Type Safety guarantees that we'll never pass aiocb to
+        // aio_read or aio_readv.
+        aiocb.aiocb.0.aio_buf = bufs.as_ptr() as *mut c_void;
+        aiocb.aiocb.0.aio_lio_opcode = libc::LIO_WRITEV;
+        aiocb.aiocb.0.aio_offset = offs;
+        AioWritev {
+            aiocb,
+            _data: PhantomData,
+            _pin: PhantomPinned,
+        }
     }
 
-    /// Add a new operation on a mutable slice to the [`LioCb`] under
-    /// construction.
-    ///
-    /// Arguments are the same as for [`AioCb::from_mut_slice`]
-    ///
-    /// [`LioCb`]: struct.LioCb.html
-    /// [`AioCb::from_mut_slice`]: struct.AioCb.html#method.from_mut_slice
-    #[must_use]
-    pub fn emplace_mut_slice(mut self, fd: RawFd, offs: off_t,
-                             buf: &'a mut [u8], prio: libc::c_int,
-                             sigev_notify: SigevNotify, opcode: LioOpcode)
-        -> Self
-    {
-        self.aiocbs.push(AioCb::from_mut_slice_unpinned(fd, offs, buf, prio,
-                                                        sigev_notify, opcode));
-        self
+    /// Returns the file offset of the operation.
+    pub fn offset(&self) -> off_t {
+        self.aiocb.aiocb.0.aio_offset
     }
+}
 
-    /// Finalize this [`LioCb`].
-    ///
-    /// Afterwards it will be possible to issue the operations with
-    /// [`LioCb::listio`].  Conversely, it will no longer be possible to add new
-    /// operations with [`LioCbBuilder::emplace_slice`] or
-    /// [`LioCbBuilder::emplace_mut_slice`].
-    ///
-    /// [`LioCb::listio`]: struct.LioCb.html#method.listio
-    /// [`LioCb::from_mut_slice`]: struct.LioCb.html#method.from_mut_slice
-    /// [`LioCb::from_slice`]: struct.LioCb.html#method.from_slice
-    pub fn finish(self) -> LioCb<'a> {
-        let len = self.aiocbs.len();
-        LioCb {
-            aiocbs: self.aiocbs.into(),
-            list: Vec::with_capacity(len),
-            results: Vec::with_capacity(len)
-        }
+#[cfg(target_os = "freebsd")]
+impl<'a> Aio for AioWritev<'a> {
+    type Output = usize;
+
+    aio_methods!(aio_writev);
+}
+
+#[cfg(target_os = "freebsd")]
+impl<'a> AsMut<libc::aiocb> for AioWritev<'a> {
+    fn as_mut(&mut self) -> &mut libc::aiocb {
+        &mut self.aiocb.aiocb.0
+    }
+}
+
+#[cfg(target_os = "freebsd")]
+impl<'a> AsRef<libc::aiocb> for AioWritev<'a> {
+    fn as_ref(&self) -> &libc::aiocb {
+        &self.aiocb.aiocb.0
     }
 }
 
-#[cfg(not(any(target_os = "ios", target_os = "macos")))]
+/// Cancels outstanding AIO requests for a given file descriptor.
+///
+/// # Examples
+///
+/// Issue an aio operation, then cancel all outstanding operations on that file
+/// descriptor.
+///
+/// ```
+/// # use nix::errno::Errno;
+/// # use nix::Error;
+/// # use nix::sys::aio::*;
+/// # use nix::sys::signal::SigevNotify;
+/// # use std::{thread, time};
+/// # use std::io::Write;
+/// # use std::os::unix::io::AsRawFd;
+/// # use tempfile::tempfile;
+/// let wbuf = b"CDEF";
+/// let mut f = tempfile().unwrap();
+/// let mut aiocb = Box::pin(AioWrite::new(f.as_raw_fd(),
+///     2,   //offset
+///     &wbuf[..],
+///     0,   //priority
+///     SigevNotify::SigevNone));
+/// aiocb.as_mut().submit().unwrap();
+/// let cs = aio_cancel_all(f.as_raw_fd()).unwrap();
+/// if cs == AioCancelStat::AioNotCanceled {
+///     while (aiocb.as_mut().error() == Err(Errno::EINPROGRESS)) {
+///         thread::sleep(time::Duration::from_millis(10));
+///     }
+/// }
+/// // Must call `aio_return`, but ignore the result
+/// let _ = aiocb.as_mut().aio_return();
+/// ```
+///
+/// # References
+///
+/// [`aio_cancel`](https://pubs.opengroup.org/onlinepubs/9699919799/functions/aio_cancel.html)
+pub fn aio_cancel_all(fd: RawFd) -> Result<AioCancelStat> {
+    match unsafe { libc::aio_cancel(fd, ptr::null_mut()) } {
+        libc::AIO_CANCELED => Ok(AioCancelStat::AioCanceled),
+        libc::AIO_NOTCANCELED => Ok(AioCancelStat::AioNotCanceled),
+        libc::AIO_ALLDONE => Ok(AioCancelStat::AioAllDone),
+        -1 => Err(Errno::last()),
+        _ => panic!("unknown aio_cancel return value"),
+    }
+}
+
+/// Suspends the calling process until at least one of the specified operations
+/// have completed, a signal is delivered, or the timeout has passed.
+///
+/// If `timeout` is `None`, `aio_suspend` will block indefinitely.
+///
+/// # Examples
+///
+/// Use `aio_suspend` to block until an aio operation completes.
+///
+/// ```
+/// # use nix::sys::aio::*;
+/// # use nix::sys::signal::SigevNotify;
+/// # use std::os::unix::io::AsRawFd;
+/// # use tempfile::tempfile;
+/// const WBUF: &[u8] = b"abcdef123456";
+/// let mut f = tempfile().unwrap();
+/// let mut aiocb = Box::pin(AioWrite::new(f.as_raw_fd(),
+///     2,   //offset
+///     WBUF,
+///     0,   //priority
+///     SigevNotify::SigevNone));
+/// aiocb.as_mut().submit().unwrap();
+/// aio_suspend(&[&*aiocb], None).expect("aio_suspend failed");
+/// assert_eq!(aiocb.as_mut().aio_return().unwrap() as usize, WBUF.len());
+/// ```
+/// # References
+///
+/// [`aio_suspend`](https://pubs.opengroup.org/onlinepubs/9699919799/functions/aio_suspend.html)
+pub fn aio_suspend(
+    list: &[&dyn AsRef<libc::aiocb>],
+    timeout: Option<TimeSpec>,
+) -> Result<()> {
+    let p = list as *const [&dyn AsRef<libc::aiocb>]
+        as *const [*const libc::aiocb]
+        as *const *const libc::aiocb;
+    let timep = match timeout {
+        None => ptr::null::<libc::timespec>(),
+        Some(x) => x.as_ref() as *const libc::timespec,
+    };
+    Errno::result(unsafe { libc::aio_suspend(p, list.len() as i32, timep) })
+        .map(drop)
+}
+
+/// Submits multiple asynchronous I/O requests with a single system call.
+///
+/// They are not guaranteed to complete atomically, and the order in which the
+/// requests are carried out is not specified. Reads, and writes may be freely
+/// mixed.
+///
+/// # Examples
+///
+/// Use `lio_listio` to submit an aio operation and wait for its completion. In
+/// this case, there is no need to use aio_suspend to wait or `error` to poll.
+/// This mode is useful for otherwise-synchronous programs that want to execute
+/// a handful of I/O operations in parallel.
+/// ```
+/// # use std::os::unix::io::AsRawFd;
+/// # use nix::sys::aio::*;
+/// # use nix::sys::signal::SigevNotify;
+/// # use tempfile::tempfile;
+/// const WBUF: &[u8] = b"abcdef123456";
+/// let mut f = tempfile().unwrap();
+/// let mut aiow = Box::pin(AioWrite::new(
+///     f.as_raw_fd(),
+///     2,      // offset
+///     WBUF,
+///     0,      // priority
+///     SigevNotify::SigevNone
+/// ));
+/// lio_listio(LioMode::LIO_WAIT, &mut[aiow.as_mut()], SigevNotify::SigevNone)
+///     .unwrap();
+/// // At this point, we are guaranteed that aiow is complete.
+/// assert_eq!(aiow.as_mut().aio_return().unwrap(), WBUF.len());
+/// ```
+///
+/// Use `lio_listio` to submit multiple asynchronous operations with a single
+/// syscall, but receive notification individually.  This is an efficient
+/// technique for reducing overall context-switch overhead, especially when
+/// combined with kqueue.
+/// ```
+/// # use std::os::unix::io::AsRawFd;
+/// # use std::thread;
+/// # use std::time;
+/// # use nix::errno::Errno;
+/// # use nix::sys::aio::*;
+/// # use nix::sys::signal::SigevNotify;
+/// # use tempfile::tempfile;
+/// const WBUF: &[u8] = b"abcdef123456";
+/// let mut f = tempfile().unwrap();
+/// let mut aiow = Box::pin(AioWrite::new(
+///     f.as_raw_fd(),
+///     2,      // offset
+///     WBUF,
+///     0,      // priority
+///     SigevNotify::SigevNone
+/// ));
+/// lio_listio(LioMode::LIO_NOWAIT, &mut[aiow.as_mut()], SigevNotify::SigevNone)
+///     .unwrap();
+/// // We must wait for the completion of each individual operation
+/// while (aiow.as_mut().error() == Err(Errno::EINPROGRESS)) {
+///     thread::sleep(time::Duration::from_millis(10));
+/// }
+/// assert_eq!(aiow.as_mut().aio_return().unwrap(), WBUF.len());
+/// ```
+///
+/// Use `lio_listio` to submit multiple operations, and receive notification
+/// only when all of them are complete.  This can be useful when there is some
+/// logical relationship between the operations.  But beware!  Errors or system
+/// resource limitations may cause `lio_listio` to return `EIO`, `EAGAIN`, or
+/// `EINTR`, in which case some but not all operations may have been submitted.
+/// In that case, you must check the status of each individual operation, and
+/// possibly resubmit some.
+/// ```
+/// # use libc::c_int;
+/// # use std::os::unix::io::AsRawFd;
+/// # use std::sync::atomic::{AtomicBool, Ordering};
+/// # use std::thread;
+/// # use std::time;
+/// # use lazy_static::lazy_static;
+/// # use nix::errno::Errno;
+/// # use nix::sys::aio::*;
+/// # use nix::sys::signal::*;
+/// # use tempfile::tempfile;
+/// lazy_static! {
+///     pub static ref SIGNALED: AtomicBool = AtomicBool::new(false);
+/// }
+///
+/// extern fn sigfunc(_: c_int) {
+///     SIGNALED.store(true, Ordering::Relaxed);
+/// }
+/// let sa = SigAction::new(SigHandler::Handler(sigfunc),
+///                         SaFlags::SA_RESETHAND,
+///                         SigSet::empty());
+/// SIGNALED.store(false, Ordering::Relaxed);
+/// unsafe { sigaction(Signal::SIGUSR2, &sa) }.unwrap();
+///
+/// const WBUF: &[u8] = b"abcdef123456";
+/// let mut f = tempfile().unwrap();
+/// let mut aiow = Box::pin(AioWrite::new(
+///     f.as_raw_fd(),
+///     2,      // offset
+///     WBUF,
+///     0,      // priority
+///     SigevNotify::SigevNone
+/// ));
+/// let sev = SigevNotify::SigevSignal { signal: Signal::SIGUSR2, si_value: 0 };
+/// lio_listio(LioMode::LIO_NOWAIT, &mut[aiow.as_mut()], sev).unwrap();
+/// while !SIGNALED.load(Ordering::Relaxed) {
+///     thread::sleep(time::Duration::from_millis(10));
+/// }
+/// // At this point, since `lio_listio` returned success and delivered its
+/// // notification, we know that all operations are complete.
+/// assert_eq!(aiow.as_mut().aio_return().unwrap(), WBUF.len());
+/// ```
+pub fn lio_listio(
+    mode: LioMode,
+    list: &mut [Pin<&mut dyn AsMut<libc::aiocb>>],
+    sigev_notify: SigevNotify,
+) -> Result<()> {
+    let p = list as *mut [Pin<&mut dyn AsMut<libc::aiocb>>]
+        as *mut [*mut libc::aiocb]
+        as *mut *mut libc::aiocb;
+    let sigev = SigEvent::new(sigev_notify);
+    let sigevp = &mut sigev.sigevent() as *mut libc::sigevent;
+    Errno::result(unsafe {
+        libc::lio_listio(mode as i32, p, list.len() as i32, sigevp)
+    })
+    .map(drop)
+}
+
 #[cfg(test)]
 mod t {
     use super::*;
 
-    // It's important that `LioCb` be `UnPin`.  The tokio-file crate relies on
-    // it.
+    /// aio_suspend relies on casting Rust Aio* struct pointers to libc::aiocb
+    /// pointers.  This test ensures that such casts are valid.
     #[test]
-    fn liocb_is_unpin() {
-        use assert_impl::assert_impl;
+    fn casting() {
+        let sev = SigevNotify::SigevNone;
+        let aiof = AioFsync::new(666, AioFsyncMode::O_SYNC, 0, sev);
+        assert_eq!(
+            aiof.as_ref() as *const libc::aiocb,
+            &aiof as *const AioFsync as *const libc::aiocb
+        );
+
+        let mut rbuf = [];
+        let aior = AioRead::new(666, 0, &mut rbuf, 0, sev);
+        assert_eq!(
+            aior.as_ref() as *const libc::aiocb,
+            &aior as *const AioRead as *const libc::aiocb
+        );
+
+        let wbuf = [];
+        let aiow = AioWrite::new(666, 0, &wbuf, 0, sev);
+        assert_eq!(
+            aiow.as_ref() as *const libc::aiocb,
+            &aiow as *const AioWrite as *const libc::aiocb
+        );
+    }
+
+    #[cfg(target_os = "freebsd")]
+    #[test]
+    fn casting_vectored() {
+        let sev = SigevNotify::SigevNone;
+
+        let mut rbuf = [];
+        let mut rbufs = [IoSliceMut::new(&mut rbuf)];
+        let aiorv = AioReadv::new(666, 0, &mut rbufs[..], 0, sev);
+        assert_eq!(
+            aiorv.as_ref() as *const libc::aiocb,
+            &aiorv as *const AioReadv as *const libc::aiocb
+        );
 
-        assert_impl!(Unpin: LioCb);
+        let wbuf = [];
+        let wbufs = [IoSlice::new(&wbuf)];
+        let aiowv = AioWritev::new(666, 0, &wbufs, 0, sev);
+        assert_eq!(
+            aiowv.as_ref() as *const libc::aiocb,
+            &aiowv as *const AioWritev as *const libc::aiocb
+        );
     }
 }
diff --git a/bash-5.1/vendor/nix/src/sys/event.rs b/bash-5.1/vendor/nix/src/sys/event.rs
index 9262accf2c9433546de5f9270df089e241124144..0d0d23a48feb192a791dc47d47b517523c5fc041 100644
--- a/bash-5.1/vendor/nix/src/sys/event.rs
+++ b/bash-5.1/vendor/nix/src/sys/event.rs
@@ -7,6 +7,7 @@ use libc::{timespec, time_t, c_int, c_long, intptr_t, uintptr_t};
 #[cfg(target_os = "netbsd")]
 use libc::{timespec, time_t, c_long, intptr_t, uintptr_t, size_t};
 use std::convert::TryInto;
+use std::mem;
 use std::os::unix::io::RawFd;
 use std::ptr;
 
@@ -21,13 +22,8 @@ pub struct KEvent {
           target_os = "ios", target_os = "macos",
           target_os = "openbsd"))]
 type type_of_udata = *mut libc::c_void;
-#[cfg(any(target_os = "dragonfly", target_os = "freebsd",
-          target_os = "ios", target_os = "macos"))]
-type type_of_data = intptr_t;
 #[cfg(any(target_os = "netbsd"))]
 type type_of_udata = intptr_t;
-#[cfg(any(target_os = "netbsd", target_os = "openbsd"))]
-type type_of_data = i64;
 
 #[cfg(target_os = "netbsd")]
 type type_of_event_filter = u32;
@@ -217,6 +213,7 @@ unsafe impl Send for KEvent {
 }
 
 impl KEvent {
+    #[allow(clippy::needless_update)]   // Not needless on all platforms.
     pub fn new(ident: uintptr_t, filter: EventFilter, flags: EventFlag,
                fflags:FilterFlag, data: intptr_t, udata: intptr_t) -> KEvent {
         KEvent { kevent: libc::kevent {
@@ -224,8 +221,10 @@ impl KEvent {
             filter: filter as type_of_event_filter,
             flags: flags.bits(),
             fflags: fflags.bits(),
-            data: data as type_of_data,
-            udata: udata as type_of_udata
+            // data can be either i64 or intptr_t, depending on platform
+            data: data as _,
+            udata: udata as type_of_udata,
+            .. unsafe { mem::zeroed() }
         } }
     }
 
@@ -328,7 +327,7 @@ fn test_struct_kevent() {
     assert_eq!(libc::EVFILT_READ, filter);
     assert_eq!(libc::EV_ONESHOT | libc::EV_ADD, actual.flags().bits());
     assert_eq!(libc::NOTE_CHILD | libc::NOTE_EXIT, actual.fflags().bits());
-    assert_eq!(0x1337, actual.data() as type_of_data);
+    assert_eq!(0x1337, actual.data());
     assert_eq!(udata as type_of_udata, actual.udata() as type_of_udata);
     assert_eq!(mem::size_of::<libc::kevent>(), mem::size_of::<KEvent>());
 }
diff --git a/bash-5.1/vendor/nix/src/sys/ioctl/bsd.rs b/bash-5.1/vendor/nix/src/sys/ioctl/bsd.rs
index 4ce4d332a82696b40de169accd77618f3178de98..307994cb969f9ba6ae3bfd12aa2e636f542b0c61 100644
--- a/bash-5.1/vendor/nix/src/sys/ioctl/bsd.rs
+++ b/bash-5.1/vendor/nix/src/sys/ioctl/bsd.rs
@@ -21,7 +21,7 @@ mod consts {
     #[allow(overflowing_literals)]
     pub const IN: ioctl_num_type = 0x8000_0000;
     #[doc(hidden)]
-    pub const INOUT: ioctl_num_type = IN|OUT;
+    pub const INOUT: ioctl_num_type = IN | OUT;
     #[doc(hidden)]
     pub const IOCPARM_MASK: ioctl_num_type = 0x1fff;
 }
@@ -31,9 +31,14 @@ pub use self::consts::*;
 #[macro_export]
 #[doc(hidden)]
 macro_rules! ioc {
-    ($inout:expr, $group:expr, $num:expr, $len:expr) => (
-        $inout | (($len as $crate::sys::ioctl::ioctl_num_type & $crate::sys::ioctl::IOCPARM_MASK) << 16) | (($group as $crate::sys::ioctl::ioctl_num_type) << 8) | ($num as $crate::sys::ioctl::ioctl_num_type)
-    )
+    ($inout:expr, $group:expr, $num:expr, $len:expr) => {
+        $inout
+            | (($len as $crate::sys::ioctl::ioctl_num_type
+                & $crate::sys::ioctl::IOCPARM_MASK)
+                << 16)
+            | (($group as $crate::sys::ioctl::ioctl_num_type) << 8)
+            | ($num as $crate::sys::ioctl::ioctl_num_type)
+    };
 }
 
 /// Generate an ioctl request code for a command that passes no data.
@@ -53,7 +58,9 @@ macro_rules! ioc {
 /// ```
 #[macro_export(local_inner_macros)]
 macro_rules! request_code_none {
-    ($g:expr, $n:expr) => (ioc!($crate::sys::ioctl::VOID, $g, $n, 0))
+    ($g:expr, $n:expr) => {
+        ioc!($crate::sys::ioctl::VOID, $g, $n, 0)
+    };
 }
 
 /// Generate an ioctl request code for a command that passes an integer
@@ -64,7 +71,14 @@ macro_rules! request_code_none {
 /// with is "bad" and you cannot use `ioctl_write_int!()` directly.
 #[macro_export(local_inner_macros)]
 macro_rules! request_code_write_int {
-    ($g:expr, $n:expr) => (ioc!($crate::sys::ioctl::VOID, $g, $n, ::std::mem::size_of::<$crate::libc::c_int>()))
+    ($g:expr, $n:expr) => {
+        ioc!(
+            $crate::sys::ioctl::VOID,
+            $g,
+            $n,
+            ::std::mem::size_of::<$crate::libc::c_int>()
+        )
+    };
 }
 
 /// Generate an ioctl request code for a command that reads.
@@ -79,7 +93,9 @@ macro_rules! request_code_write_int {
 /// writing.
 #[macro_export(local_inner_macros)]
 macro_rules! request_code_read {
-    ($g:expr, $n:expr, $len:expr) => (ioc!($crate::sys::ioctl::OUT, $g, $n, $len))
+    ($g:expr, $n:expr, $len:expr) => {
+        ioc!($crate::sys::ioctl::OUT, $g, $n, $len)
+    };
 }
 
 /// Generate an ioctl request code for a command that writes.
@@ -94,7 +110,9 @@ macro_rules! request_code_read {
 /// reading.
 #[macro_export(local_inner_macros)]
 macro_rules! request_code_write {
-    ($g:expr, $n:expr, $len:expr) => (ioc!($crate::sys::ioctl::IN, $g, $n, $len))
+    ($g:expr, $n:expr, $len:expr) => {
+        ioc!($crate::sys::ioctl::IN, $g, $n, $len)
+    };
 }
 
 /// Generate an ioctl request code for a command that reads and writes.
@@ -105,5 +123,7 @@ macro_rules! request_code_write {
 /// with is "bad" and you cannot use `ioctl_readwrite!()` directly.
 #[macro_export(local_inner_macros)]
 macro_rules! request_code_readwrite {
-    ($g:expr, $n:expr, $len:expr) => (ioc!($crate::sys::ioctl::INOUT, $g, $n, $len))
+    ($g:expr, $n:expr, $len:expr) => {
+        ioc!($crate::sys::ioctl::INOUT, $g, $n, $len)
+    };
 }
diff --git a/bash-5.1/vendor/nix/src/sys/ioctl/linux.rs b/bash-5.1/vendor/nix/src/sys/ioctl/linux.rs
index 08cd0c33b4f22cb5c562a0f9b4c59043793edabd..0c0a2090538f8356e00855e7b0784fe50354bc0b 100644
--- a/bash-5.1/vendor/nix/src/sys/ioctl/linux.rs
+++ b/bash-5.1/vendor/nix/src/sys/ioctl/linux.rs
@@ -14,7 +14,13 @@ pub const NRBITS: ioctl_num_type = 8;
 #[doc(hidden)]
 pub const TYPEBITS: ioctl_num_type = 8;
 
-#[cfg(any(target_arch = "mips", target_arch = "mips64", target_arch = "powerpc", target_arch = "powerpc64", target_arch = "sparc64"))]
+#[cfg(any(
+    target_arch = "mips",
+    target_arch = "mips64",
+    target_arch = "powerpc",
+    target_arch = "powerpc64",
+    target_arch = "sparc64"
+))]
 mod consts {
     #[doc(hidden)]
     pub const NONE: u8 = 1;
@@ -29,13 +35,15 @@ mod consts {
 }
 
 // "Generic" ioctl protocol
-#[cfg(any(target_arch = "x86",
-          target_arch = "arm",
-          target_arch = "s390x",
-          target_arch = "x86_64",
-          target_arch = "aarch64",
-          target_arch = "riscv32",
-          target_arch = "riscv64"))]
+#[cfg(any(
+    target_arch = "x86",
+    target_arch = "arm",
+    target_arch = "s390x",
+    target_arch = "x86_64",
+    target_arch = "aarch64",
+    target_arch = "riscv32",
+    target_arch = "riscv64"
+))]
 mod consts {
     #[doc(hidden)]
     pub const NONE: u8 = 0;
@@ -73,11 +81,20 @@ pub const DIRMASK: ioctl_num_type = (1 << DIRBITS) - 1;
 #[macro_export]
 #[doc(hidden)]
 macro_rules! ioc {
-    ($dir:expr, $ty:expr, $nr:expr, $sz:expr) => (
-        (($dir as $crate::sys::ioctl::ioctl_num_type & $crate::sys::ioctl::DIRMASK) << $crate::sys::ioctl::DIRSHIFT) |
-        (($ty as $crate::sys::ioctl::ioctl_num_type & $crate::sys::ioctl::TYPEMASK) << $crate::sys::ioctl::TYPESHIFT) |
-        (($nr as $crate::sys::ioctl::ioctl_num_type & $crate::sys::ioctl::NRMASK) << $crate::sys::ioctl::NRSHIFT) |
-        (($sz as $crate::sys::ioctl::ioctl_num_type & $crate::sys::ioctl::SIZEMASK) << $crate::sys::ioctl::SIZESHIFT))
+    ($dir:expr, $ty:expr, $nr:expr, $sz:expr) => {
+        (($dir as $crate::sys::ioctl::ioctl_num_type
+            & $crate::sys::ioctl::DIRMASK)
+            << $crate::sys::ioctl::DIRSHIFT)
+            | (($ty as $crate::sys::ioctl::ioctl_num_type
+                & $crate::sys::ioctl::TYPEMASK)
+                << $crate::sys::ioctl::TYPESHIFT)
+            | (($nr as $crate::sys::ioctl::ioctl_num_type
+                & $crate::sys::ioctl::NRMASK)
+                << $crate::sys::ioctl::NRSHIFT)
+            | (($sz as $crate::sys::ioctl::ioctl_num_type
+                & $crate::sys::ioctl::SIZEMASK)
+                << $crate::sys::ioctl::SIZESHIFT)
+    };
 }
 
 /// Generate an ioctl request code for a command that passes no data.
@@ -97,7 +114,9 @@ macro_rules! ioc {
 /// ```
 #[macro_export(local_inner_macros)]
 macro_rules! request_code_none {
-    ($ty:expr, $nr:expr) => (ioc!($crate::sys::ioctl::NONE, $ty, $nr, 0))
+    ($ty:expr, $nr:expr) => {
+        ioc!($crate::sys::ioctl::NONE, $ty, $nr, 0)
+    };
 }
 
 /// Generate an ioctl request code for a command that reads.
@@ -112,7 +131,9 @@ macro_rules! request_code_none {
 /// writing.
 #[macro_export(local_inner_macros)]
 macro_rules! request_code_read {
-    ($ty:expr, $nr:expr, $sz:expr) => (ioc!($crate::sys::ioctl::READ, $ty, $nr, $sz))
+    ($ty:expr, $nr:expr, $sz:expr) => {
+        ioc!($crate::sys::ioctl::READ, $ty, $nr, $sz)
+    };
 }
 
 /// Generate an ioctl request code for a command that writes.
@@ -127,7 +148,9 @@ macro_rules! request_code_read {
 /// reading.
 #[macro_export(local_inner_macros)]
 macro_rules! request_code_write {
-    ($ty:expr, $nr:expr, $sz:expr) => (ioc!($crate::sys::ioctl::WRITE, $ty, $nr, $sz))
+    ($ty:expr, $nr:expr, $sz:expr) => {
+        ioc!($crate::sys::ioctl::WRITE, $ty, $nr, $sz)
+    };
 }
 
 /// Generate an ioctl request code for a command that reads and writes.
@@ -138,5 +161,12 @@ macro_rules! request_code_write {
 /// with is "bad" and you cannot use `ioctl_readwrite!()` directly.
 #[macro_export(local_inner_macros)]
 macro_rules! request_code_readwrite {
-    ($ty:expr, $nr:expr, $sz:expr) => (ioc!($crate::sys::ioctl::READ | $crate::sys::ioctl::WRITE, $ty, $nr, $sz))
+    ($ty:expr, $nr:expr, $sz:expr) => {
+        ioc!(
+            $crate::sys::ioctl::READ | $crate::sys::ioctl::WRITE,
+            $ty,
+            $nr,
+            $sz
+        )
+    };
 }
diff --git a/bash-5.1/vendor/nix/src/sys/ioctl/mod.rs b/bash-5.1/vendor/nix/src/sys/ioctl/mod.rs
index 203b7d06f31f116f68bc3757bd6b4ae3ae07195e..98d6b5c99d481f21a835a99b2886ba9b797ea878 100644
--- a/bash-5.1/vendor/nix/src/sys/ioctl/mod.rs
+++ b/bash-5.1/vendor/nix/src/sys/ioctl/mod.rs
@@ -227,37 +227,45 @@ use cfg_if::cfg_if;
 #[macro_use]
 mod linux;
 
-#[cfg(any(target_os = "android", target_os = "linux", target_os = "redox"))]
+#[cfg(any(
+    target_os = "android",
+    target_os = "linux",
+    target_os = "redox"
+))]
 pub use self::linux::*;
 
-#[cfg(any(target_os = "dragonfly",
-          target_os = "freebsd",
-          target_os = "illumos",
-          target_os = "ios",
-          target_os = "macos",
-          target_os = "netbsd",
-          target_os = "openbsd"))]
+#[cfg(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "haiku",
+    target_os = "openbsd"
+))]
 #[macro_use]
 mod bsd;
 
-#[cfg(any(target_os = "dragonfly",
-          target_os = "freebsd",
-          target_os = "illumos",
-          target_os = "ios",
-          target_os = "macos",
-          target_os = "netbsd",
-          target_os = "openbsd"))]
+#[cfg(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "haiku",
+    target_os = "openbsd"
+))]
 pub use self::bsd::*;
 
 /// Convert raw ioctl return value to a Nix result
 #[macro_export]
 #[doc(hidden)]
 macro_rules! convert_ioctl_res {
-    ($w:expr) => (
-        {
-            $crate::errno::Errno::result($w)
-        }
-    );
+    ($w:expr) => {{
+        $crate::errno::Errno::result($w)
+    }};
 }
 
 /// Generates a wrapper function for an ioctl that passes no data to the kernel.
@@ -489,7 +497,7 @@ macro_rules! ioctl_write_ptr_bad {
     )
 }
 
-cfg_if!{
+cfg_if! {
     if #[cfg(any(target_os = "dragonfly", target_os = "freebsd"))] {
         /// Generates a wrapper function for a ioctl that writes an integer to the kernel.
         ///
diff --git a/bash-5.1/vendor/nix/src/sys/mman.rs b/bash-5.1/vendor/nix/src/sys/mman.rs
index a7469a1792325be88ebfcfd4c83cb5f213d8f5a3..700e231c620dae487c4c1fa4b7cb2b09aca341ed 100644
--- a/bash-5.1/vendor/nix/src/sys/mman.rs
+++ b/bash-5.1/vendor/nix/src/sys/mman.rs
@@ -351,6 +351,7 @@ libc_bitflags!{
     }
 }
 
+#[cfg(not(target_os = "haiku"))]
 libc_bitflags!{
     /// Flags for [`mlockall`].
     pub struct MlockAllFlags: c_int {
@@ -393,6 +394,7 @@ pub unsafe fn munlock(addr: *const c_void, length: size_t) -> Result<()> {
 /// Locked pages never move to the swap area. For more information, see [`mlockall(2)`].
 ///
 /// [`mlockall(2)`]: https://man7.org/linux/man-pages/man2/mlockall.2.html
+#[cfg(not(target_os = "haiku"))]
 pub fn mlockall(flags: MlockAllFlags) -> Result<()> {
     unsafe { Errno::result(libc::mlockall(flags.bits())) }.map(drop)
 }
@@ -402,6 +404,7 @@ pub fn mlockall(flags: MlockAllFlags) -> Result<()> {
 /// For more information, see [`munlockall(2)`].
 ///
 /// [`munlockall(2)`]: https://man7.org/linux/man-pages/man2/munlockall.2.html
+#[cfg(not(target_os = "haiku"))]
 pub fn munlockall() -> Result<()> {
     unsafe { Errno::result(libc::munlockall()) }.map(drop)
 }
diff --git a/bash-5.1/vendor/nix/src/sys/mod.rs b/bash-5.1/vendor/nix/src/sys/mod.rs
index e5639f20abaa2ce249fa7fae1f0dd71f7cbfda58..979d623b8987bc6013cee976a0dfdd8977a7d710 100644
--- a/bash-5.1/vendor/nix/src/sys/mod.rs
+++ b/bash-5.1/vendor/nix/src/sys/mod.rs
@@ -1,10 +1,12 @@
 //! Mostly platform-specific functionality
-#[cfg(any(target_os = "dragonfly",
-          target_os = "freebsd",
-          target_os = "ios",
-          all(target_os = "linux", not(target_env = "uclibc")),
-          target_os = "macos",
-          target_os = "netbsd"))]
+#[cfg(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "ios",
+    all(target_os = "linux", not(target_env = "uclibc")),
+    target_os = "macos",
+    target_os = "netbsd"
+))]
 feature! {
     #![feature = "aio"]
     pub mod aio;
@@ -31,22 +33,24 @@ feature! {
     pub mod eventfd;
 }
 
-#[cfg(any(target_os = "android",
-          target_os = "dragonfly",
-          target_os = "freebsd",
-          target_os = "ios",
-          target_os = "linux",
-          target_os = "redox",
-          target_os = "macos",
-          target_os = "netbsd",
-          target_os = "illumos",
-          target_os = "openbsd"))]
+#[cfg(any(
+    target_os = "android",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "ios",
+    target_os = "linux",
+    target_os = "redox",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "illumos",
+    target_os = "openbsd"
+))]
 #[cfg(feature = "ioctl")]
 #[cfg_attr(docsrs, doc(cfg(feature = "ioctl")))]
 #[macro_use]
 pub mod ioctl;
 
-#[cfg(target_os = "linux")]
+#[cfg(any(target_os = "android", target_os = "linux"))]
 feature! {
     #![feature = "fs"]
     pub mod memfd;
@@ -69,13 +73,15 @@ feature! {
     pub mod pthread;
 }
 
-#[cfg(any(target_os = "android",
-          target_os = "dragonfly",
-          target_os = "freebsd",
-          target_os = "linux",
-          target_os = "macos",
-          target_os = "netbsd",
-          target_os = "openbsd"))]
+#[cfg(any(
+    target_os = "android",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "linux",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd"
+))]
 feature! {
     #![feature = "ptrace"]
     #[allow(missing_docs)]
@@ -94,7 +100,12 @@ feature! {
     pub mod reboot;
 }
 
-#[cfg(not(any(target_os = "redox", target_os = "fuchsia", target_os = "illumos")))]
+#[cfg(not(any(
+    target_os = "redox",
+    target_os = "fuchsia",
+    target_os = "illumos",
+    target_os = "haiku"
+)))]
 feature! {
     #![feature = "resource"]
     pub mod resource;
@@ -106,12 +117,14 @@ feature! {
     pub mod select;
 }
 
-#[cfg(any(target_os = "android",
-          target_os = "dragonfly",
-          target_os = "freebsd",
-          target_os = "ios",
-          target_os = "linux",
-          target_os = "macos"))]
+#[cfg(any(
+    target_os = "android",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "ios",
+    target_os = "linux",
+    target_os = "macos"
+))]
 feature! {
     #![feature = "zerocopy"]
     pub mod sendfile;
@@ -139,13 +152,14 @@ feature! {
     pub mod stat;
 }
 
-#[cfg(any(target_os = "android",
-          target_os = "dragonfly",
-          target_os = "freebsd",
-          target_os = "ios",
-          target_os = "linux",
-          target_os = "macos",
-          target_os = "openbsd"
+#[cfg(any(
+    target_os = "android",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "ios",
+    target_os = "linux",
+    target_os = "macos",
+    target_os = "openbsd"
 ))]
 feature! {
     #![feature = "fs"]
diff --git a/bash-5.1/vendor/nix/src/sys/personality.rs b/bash-5.1/vendor/nix/src/sys/personality.rs
index 2af668782345818ae548704c39e27d13da9e3965..9e285ae6e0c3b2162f5e8acb020e93cd123079e8 100644
--- a/bash-5.1/vendor/nix/src/sys/personality.rs
+++ b/bash-5.1/vendor/nix/src/sys/personality.rs
@@ -86,7 +86,7 @@ pub fn get() -> Result<Persona> {
 /// # use nix::sys::personality::{self, Persona};
 /// let mut pers = personality::get().unwrap();
 /// assert!(!pers.contains(Persona::ADDR_NO_RANDOMIZE));
-/// personality::set(pers | Persona::ADDR_NO_RANDOMIZE);
+/// personality::set(pers | Persona::ADDR_NO_RANDOMIZE).unwrap();
 /// ```
 pub fn set(persona: Persona) -> Result<Persona> {
     let res = unsafe {
diff --git a/bash-5.1/vendor/nix/src/sys/ptrace/linux.rs b/bash-5.1/vendor/nix/src/sys/ptrace/linux.rs
index 24152d7d5a861e9810e1106bf2a76334f6702710..1d9b241c1f870b6e4342036250a87874a7d31735 100644
--- a/bash-5.1/vendor/nix/src/sys/ptrace/linux.rs
+++ b/bash-5.1/vendor/nix/src/sys/ptrace/linux.rs
@@ -481,3 +481,24 @@ pub unsafe fn write(
 {
     ptrace_other(Request::PTRACE_POKEDATA, pid, addr, data).map(drop)
 }
+
+/// Reads a word from a user area at `offset`.
+/// The user struct definition can be found in `/usr/include/sys/user.h`.
+pub fn read_user(pid: Pid, offset: AddressType) -> Result<c_long> {
+    ptrace_peek(Request::PTRACE_PEEKUSER, pid, offset, ptr::null_mut())
+}
+
+/// Writes a word to a user area at `offset`.
+/// The user struct definition can be found in `/usr/include/sys/user.h`.
+///
+/// # Safety
+///
+/// The `data` argument is passed directly to `ptrace(2)`.  Read that man page
+/// for guidance.
+pub unsafe fn write_user(
+    pid: Pid,
+    offset: AddressType,
+    data: *mut c_void) -> Result<()>
+{
+    ptrace_other(Request::PTRACE_POKEUSER, pid, offset, data).map(drop)
+}
diff --git a/bash-5.1/vendor/nix/src/sys/quota.rs b/bash-5.1/vendor/nix/src/sys/quota.rs
index 6e34e38d2b720f151c24cefd84daba506123281e..f3b4c02dee965dd8186805d2e531b7da64d65619 100644
--- a/bash-5.1/vendor/nix/src/sys/quota.rs
+++ b/bash-5.1/vendor/nix/src/sys/quota.rs
@@ -6,11 +6,11 @@
 //!
 //! ```rust,no_run
 //! # use nix::sys::quota::{Dqblk, quotactl_on, quotactl_set, QuotaFmt, QuotaType, QuotaValidFlags};
-//! quotactl_on(QuotaType::USRQUOTA, "/dev/sda1", QuotaFmt::QFMT_VFS_V1, "aquota.user");
+//! quotactl_on(QuotaType::USRQUOTA, "/dev/sda1", QuotaFmt::QFMT_VFS_V1, "aquota.user").unwrap();
 //! let mut dqblk: Dqblk = Default::default();
 //! dqblk.set_blocks_hard_limit(10000);
 //! dqblk.set_blocks_soft_limit(8000);
-//! quotactl_set(QuotaType::USRQUOTA, "/dev/sda1", 50, &dqblk, QuotaValidFlags::QIF_BLIMITS);
+//! quotactl_set(QuotaType::USRQUOTA, "/dev/sda1", 50, &dqblk, QuotaValidFlags::QIF_BLIMITS).unwrap();
 //! ```
 use std::default::Default;
 use std::{mem, ptr};
diff --git a/bash-5.1/vendor/nix/src/sys/resource.rs b/bash-5.1/vendor/nix/src/sys/resource.rs
index 76ceaf5b9053ab8c87f1ed88bcc6628583043fa8..e9a11d95d48c34d0f8116e95e4407f71a890c09e 100644
--- a/bash-5.1/vendor/nix/src/sys/resource.rs
+++ b/bash-5.1/vendor/nix/src/sys/resource.rs
@@ -1,7 +1,9 @@
 //! Configure the process resource limits.
 use cfg_if::cfg_if;
+use libc::{c_int, c_long, rusage};
 
 use crate::errno::Errno;
+use crate::sys::time::TimeVal;
 use crate::Result;
 pub use libc::rlim_t;
 use std::mem;
@@ -19,7 +21,7 @@ cfg_if! {
         target_os = "dragonfly",
         all(target_os = "linux", not(target_env = "gnu"))
     ))]{
-        use libc::{c_int, rlimit};
+        use libc::rlimit;
     }
 }
 
@@ -242,11 +244,7 @@ pub fn getrlimit(resource: Resource) -> Result<(rlim_t, rlim_t)> {
 /// [`Resource`]: enum.Resource.html
 ///
 /// Note: `setrlimit` provides a safe wrapper to libc's `setrlimit`.
-pub fn setrlimit(
-    resource: Resource,
-    soft_limit: rlim_t,
-    hard_limit: rlim_t,
-) -> Result<()> {
+pub fn setrlimit(resource: Resource, soft_limit: rlim_t, hard_limit: rlim_t) -> Result<()> {
     let new_rlim = rlimit {
         rlim_cur: soft_limit,
         rlim_max: hard_limit,
@@ -261,3 +259,179 @@ pub fn setrlimit(
 
     Errno::result(res).map(drop)
 }
+
+libc_enum! {
+    /// Whose resource usage should be returned by [`getrusage`].
+    #[repr(i32)]
+    #[non_exhaustive]
+    pub enum UsageWho {
+        /// Resource usage for the current process.
+        RUSAGE_SELF,
+
+        /// Resource usage for all the children that have terminated and been waited for.
+        RUSAGE_CHILDREN,
+
+        #[cfg(any(target_os = "linux", target_os = "freebsd", target_os = "openbsd"))]
+        #[cfg_attr(docsrs, doc(cfg(all())))]
+        /// Resource usage for the calling thread.
+        RUSAGE_THREAD,
+    }
+}
+
+/// Output of `getrusage` with information about resource usage. Some of the fields
+/// may be unused in some platforms, and will be always zeroed out. See their manuals
+/// for details.
+#[repr(transparent)]
+#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
+pub struct Usage(rusage);
+
+impl AsRef<rusage> for Usage {
+    fn as_ref(&self) -> &rusage {
+        &self.0
+    }
+}
+
+impl AsMut<rusage> for Usage {
+    fn as_mut(&mut self) -> &mut rusage {
+        &mut self.0
+    }
+}
+
+impl Usage {
+    /// Total amount of time spent executing in user mode.
+    pub fn user_time(&self) -> TimeVal {
+        TimeVal::from(self.0.ru_utime)
+    }
+
+    /// Total amount of time spent executing in kernel mode.
+    pub fn system_time(&self) -> TimeVal {
+        TimeVal::from(self.0.ru_stime)
+    }
+
+    /// The resident set size at its peak, in kilobytes.
+    pub fn max_rss(&self) -> c_long {
+        self.0.ru_maxrss
+    }
+
+    /// Integral value expressed in kilobytes times ticks of execution indicating
+    /// the amount of text memory shared with other processes.
+    pub fn shared_integral(&self) -> c_long {
+        self.0.ru_ixrss
+    }
+
+    /// Integral value expressed in kilobytes times ticks of execution indicating
+    /// the amount of unshared memory used by data.
+    pub fn unshared_data_integral(&self) -> c_long {
+        self.0.ru_idrss
+    }
+
+    /// Integral value expressed in kilobytes times ticks of execution indicating
+    /// the amount of unshared memory used for stack space.
+    pub fn unshared_stack_integral(&self) -> c_long {
+        self.0.ru_isrss
+    }
+
+    /// Number of page faults that were served without resorting to I/O, with pages
+    /// that have been allocated previously by the kernel.
+    pub fn minor_page_faults(&self) -> c_long {
+        self.0.ru_minflt
+    }
+
+    /// Number of page faults that were served through I/O (i.e. swap).
+    pub fn major_page_faults(&self) -> c_long {
+        self.0.ru_majflt
+    }
+
+    /// Number of times all of the memory was fully swapped out.
+    pub fn full_swaps(&self) -> c_long {
+        self.0.ru_nswap
+    }
+
+    /// Number of times a read was done from a block device.
+    pub fn block_reads(&self) -> c_long {
+        self.0.ru_inblock
+    }
+
+    /// Number of times a write was done to a block device.
+    pub fn block_writes(&self) -> c_long {
+        self.0.ru_oublock
+    }
+
+    /// Number of IPC messages sent.
+    pub fn ipc_sends(&self) -> c_long {
+        self.0.ru_msgsnd
+    }
+
+    /// Number of IPC messages received.
+    pub fn ipc_receives(&self) -> c_long {
+        self.0.ru_msgrcv
+    }
+
+    /// Number of signals received.
+    pub fn signals(&self) -> c_long {
+        self.0.ru_nsignals
+    }
+
+    /// Number of times a context switch was voluntarily invoked.
+    pub fn voluntary_context_switches(&self) -> c_long {
+        self.0.ru_nvcsw
+    }
+
+    /// Number of times a context switch was imposed by the kernel (usually due to
+    /// time slice expiring or preemption by a higher priority process).
+    pub fn involuntary_context_switches(&self) -> c_long {
+        self.0.ru_nivcsw
+    }
+}
+
+/// Get usage information for a process, its children or the current thread
+///
+/// Real time information can be obtained for either the current process or (in some
+/// systems) thread, but information about children processes is only provided for
+/// those that have terminated and been waited for (see [`super::wait::wait`]).
+///
+/// Some information may be missing depending on the platform, and the way information
+/// is provided for children may also vary. Check the manuals for details.
+///
+/// # References
+///
+/// * [getrusage(2)](https://pubs.opengroup.org/onlinepubs/009696699/functions/getrusage.html)
+/// * [Linux](https://man7.org/linux/man-pages/man2/getrusage.2.html)
+/// * [FreeBSD](https://www.freebsd.org/cgi/man.cgi?query=getrusage)
+/// * [NetBSD](https://man.netbsd.org/getrusage.2)
+/// * [MacOS](https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/getrusage.2.html)
+///
+/// [`UsageWho`]: enum.UsageWho.html
+///
+/// Note: `getrusage` provides a safe wrapper to libc's [`libc::getrusage`].
+pub fn getrusage(who: UsageWho) -> Result<Usage> {
+    unsafe {
+        let mut rusage = mem::MaybeUninit::<rusage>::uninit();
+        let res = libc::getrusage(who as c_int, rusage.as_mut_ptr());
+        Errno::result(res).map(|_| Usage(rusage.assume_init()))
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::{getrusage, UsageWho};
+
+    #[test]
+    pub fn test_self_cpu_time() {
+        // Make sure some CPU time is used.
+        let mut numbers: Vec<i32> = (1..1_000_000).collect();
+        numbers.iter_mut().for_each(|item| *item *= 2);
+
+        // FIXME: this is here to help ensure the compiler does not optimize the whole
+        // thing away. Replace the assert with test::black_box once stabilized.
+        assert_eq!(numbers[100..200].iter().sum::<i32>(), 30_100);
+
+        let usage = getrusage(UsageWho::RUSAGE_SELF).expect("Failed to call getrusage for SELF");
+        let rusage = usage.as_ref();
+
+        let user = usage.user_time();
+        assert!(user.tv_sec() > 0 || user.tv_usec() > 0);
+        assert_eq!(user.tv_sec(), rusage.ru_utime.tv_sec);
+        assert_eq!(user.tv_usec(), rusage.ru_utime.tv_usec);
+    }
+}
diff --git a/bash-5.1/vendor/nix/src/sys/signal.rs b/bash-5.1/vendor/nix/src/sys/signal.rs
index f982b4e79bba4b57613d53a686a32dbf2529c7fa..0da9c74ad6eea9087b02f71756deabcc688e9f39 100644
--- a/bash-5.1/vendor/nix/src/sys/signal.rs
+++ b/bash-5.1/vendor/nix/src/sys/signal.rs
@@ -3,22 +3,22 @@
 
 //! Operating system signals.
 
-use crate::{Error, Result};
 use crate::errno::Errno;
-use std::mem;
+use crate::{Error, Result};
+use cfg_if::cfg_if;
 use std::fmt;
-use std::str::FromStr;
+use std::mem;
 #[cfg(any(target_os = "dragonfly", target_os = "freebsd"))]
 use std::os::unix::io::RawFd;
 use std::ptr;
-use cfg_if::cfg_if;
+use std::str::FromStr;
 
 #[cfg(not(any(target_os = "openbsd", target_os = "redox")))]
 #[cfg(any(feature = "aio", feature = "signal"))]
 pub use self::sigevent::*;
 
 #[cfg(any(feature = "aio", feature = "process", feature = "signal"))]
-libc_enum!{
+libc_enum! {
     /// Types of operating system signals
     // Currently there is only one definition of c_int in libc, as well as only one
     // type for signal constants.
@@ -89,6 +89,8 @@ libc_enum!{
         /// Window size changes
         SIGWINCH,
         /// Input/output possible signal
+        #[cfg(not(target_os = "haiku"))]
+        #[cfg_attr(docsrs, doc(cfg(all())))]
         SIGIO,
         #[cfg(any(target_os = "android", target_os = "emscripten",
                   target_os = "fuchsia", target_os = "linux"))]
@@ -99,13 +101,13 @@ libc_enum!{
         SIGSYS,
         #[cfg(not(any(target_os = "android", target_os = "emscripten",
                       target_os = "fuchsia", target_os = "linux",
-                      target_os = "redox")))]
+                      target_os = "redox", target_os = "haiku")))]
         #[cfg_attr(docsrs, doc(cfg(all())))]
         /// Emulator trap
         SIGEMT,
         #[cfg(not(any(target_os = "android", target_os = "emscripten",
                       target_os = "fuchsia", target_os = "linux",
-                      target_os = "redox")))]
+                      target_os = "redox", target_os = "haiku")))]
         #[cfg_attr(docsrs, doc(cfg(all())))]
         /// Information request
         SIGINFO,
@@ -133,10 +135,19 @@ impl FromStr for Signal {
             "SIGPIPE" => Signal::SIGPIPE,
             "SIGALRM" => Signal::SIGALRM,
             "SIGTERM" => Signal::SIGTERM,
-            #[cfg(all(any(target_os = "android", target_os = "emscripten",
-                          target_os = "fuchsia", target_os = "linux"),
-                      not(any(target_arch = "mips", target_arch = "mips64",
-                              target_arch = "sparc64"))))]
+            #[cfg(all(
+                any(
+                    target_os = "android",
+                    target_os = "emscripten",
+                    target_os = "fuchsia",
+                    target_os = "linux"
+                ),
+                not(any(
+                    target_arch = "mips",
+                    target_arch = "mips64",
+                    target_arch = "sparc64"
+                ))
+            ))]
             "SIGSTKFLT" => Signal::SIGSTKFLT,
             "SIGCHLD" => Signal::SIGCHLD,
             "SIGCONT" => Signal::SIGCONT,
@@ -150,18 +161,33 @@ impl FromStr for Signal {
             "SIGVTALRM" => Signal::SIGVTALRM,
             "SIGPROF" => Signal::SIGPROF,
             "SIGWINCH" => Signal::SIGWINCH,
+            #[cfg(not(target_os = "haiku"))]
             "SIGIO" => Signal::SIGIO,
-            #[cfg(any(target_os = "android", target_os = "emscripten",
-                      target_os = "fuchsia", target_os = "linux"))]
+            #[cfg(any(
+                target_os = "android",
+                target_os = "emscripten",
+                target_os = "fuchsia",
+                target_os = "linux"
+            ))]
             "SIGPWR" => Signal::SIGPWR,
             "SIGSYS" => Signal::SIGSYS,
-            #[cfg(not(any(target_os = "android", target_os = "emscripten",
-                          target_os = "fuchsia", target_os = "linux",
-                          target_os = "redox")))]
+            #[cfg(not(any(
+                target_os = "android",
+                target_os = "emscripten",
+                target_os = "fuchsia",
+                target_os = "linux",
+                target_os = "redox",
+                target_os = "haiku"
+            )))]
             "SIGEMT" => Signal::SIGEMT,
-            #[cfg(not(any(target_os = "android", target_os = "emscripten",
-                          target_os = "fuchsia", target_os = "linux",
-                          target_os = "redox")))]
+            #[cfg(not(any(
+                target_os = "android",
+                target_os = "emscripten",
+                target_os = "fuchsia",
+                target_os = "linux",
+                target_os = "redox",
+                target_os = "haiku"
+            )))]
             "SIGINFO" => Signal::SIGINFO,
             _ => return Err(Errno::EINVAL),
         })
@@ -192,9 +218,19 @@ impl Signal {
             Signal::SIGPIPE => "SIGPIPE",
             Signal::SIGALRM => "SIGALRM",
             Signal::SIGTERM => "SIGTERM",
-            #[cfg(all(any(target_os = "android", target_os = "emscripten",
-                          target_os = "fuchsia", target_os = "linux"),
-                      not(any(target_arch = "mips", target_arch = "mips64", target_arch = "sparc64"))))]
+            #[cfg(all(
+                any(
+                    target_os = "android",
+                    target_os = "emscripten",
+                    target_os = "fuchsia",
+                    target_os = "linux"
+                ),
+                not(any(
+                    target_arch = "mips",
+                    target_arch = "mips64",
+                    target_arch = "sparc64"
+                ))
+            ))]
             Signal::SIGSTKFLT => "SIGSTKFLT",
             Signal::SIGCHLD => "SIGCHLD",
             Signal::SIGCONT => "SIGCONT",
@@ -208,18 +244,33 @@ impl Signal {
             Signal::SIGVTALRM => "SIGVTALRM",
             Signal::SIGPROF => "SIGPROF",
             Signal::SIGWINCH => "SIGWINCH",
+            #[cfg(not(target_os = "haiku"))]
             Signal::SIGIO => "SIGIO",
-            #[cfg(any(target_os = "android", target_os = "emscripten",
-                      target_os = "fuchsia", target_os = "linux"))]
+            #[cfg(any(
+                target_os = "android",
+                target_os = "emscripten",
+                target_os = "fuchsia",
+                target_os = "linux"
+            ))]
             Signal::SIGPWR => "SIGPWR",
             Signal::SIGSYS => "SIGSYS",
-            #[cfg(not(any(target_os = "android", target_os = "emscripten",
-                          target_os = "fuchsia", target_os = "linux",
-                          target_os = "redox")))]
+            #[cfg(not(any(
+                target_os = "android",
+                target_os = "emscripten",
+                target_os = "fuchsia",
+                target_os = "linux",
+                target_os = "redox",
+                target_os = "haiku"
+            )))]
             Signal::SIGEMT => "SIGEMT",
-            #[cfg(not(any(target_os = "android", target_os = "emscripten",
-                          target_os = "fuchsia", target_os = "linux",
-                          target_os = "redox")))]
+            #[cfg(not(any(
+                target_os = "android",
+                target_os = "emscripten",
+                target_os = "fuchsia",
+                target_os = "linux",
+                target_os = "redox",
+                target_os = "haiku"
+            )))]
             Signal::SIGINFO => "SIGINFO",
         }
     }
@@ -245,144 +296,70 @@ pub use self::Signal::*;
 #[cfg(target_os = "redox")]
 #[cfg(feature = "signal")]
 const SIGNALS: [Signal; 29] = [
-    SIGHUP,
-    SIGINT,
-    SIGQUIT,
-    SIGILL,
-    SIGTRAP,
-    SIGABRT,
-    SIGBUS,
-    SIGFPE,
-    SIGKILL,
-    SIGUSR1,
-    SIGSEGV,
-    SIGUSR2,
-    SIGPIPE,
-    SIGALRM,
-    SIGTERM,
-    SIGCHLD,
-    SIGCONT,
-    SIGSTOP,
-    SIGTSTP,
-    SIGTTIN,
-    SIGTTOU,
-    SIGURG,
-    SIGXCPU,
-    SIGXFSZ,
-    SIGVTALRM,
-    SIGPROF,
-    SIGWINCH,
-    SIGIO,
-    SIGSYS];
-#[cfg(all(any(target_os = "linux", target_os = "android",
-              target_os = "emscripten", target_os = "fuchsia"),
-          not(any(target_arch = "mips", target_arch = "mips64",
-                  target_arch = "sparc64"))))]
+    SIGHUP, SIGINT, SIGQUIT, SIGILL, SIGTRAP, SIGABRT, SIGBUS, SIGFPE, SIGKILL,
+    SIGUSR1, SIGSEGV, SIGUSR2, SIGPIPE, SIGALRM, SIGTERM, SIGCHLD, SIGCONT,
+    SIGSTOP, SIGTSTP, SIGTTIN, SIGTTOU, SIGURG, SIGXCPU, SIGXFSZ, SIGVTALRM,
+    SIGPROF, SIGWINCH, SIGIO, SIGSYS,
+];
+#[cfg(target_os = "haiku")]
+#[cfg(feature = "signal")]
+const SIGNALS: [Signal; 28] = [
+    SIGHUP, SIGINT, SIGQUIT, SIGILL, SIGTRAP, SIGABRT, SIGBUS, SIGFPE, SIGKILL,
+    SIGUSR1, SIGSEGV, SIGUSR2, SIGPIPE, SIGALRM, SIGTERM, SIGCHLD, SIGCONT,
+    SIGSTOP, SIGTSTP, SIGTTIN, SIGTTOU, SIGURG, SIGXCPU, SIGXFSZ, SIGVTALRM,
+    SIGPROF, SIGWINCH, SIGSYS,
+];
+#[cfg(all(
+    any(
+        target_os = "linux",
+        target_os = "android",
+        target_os = "emscripten",
+        target_os = "fuchsia"
+    ),
+    not(any(
+        target_arch = "mips",
+        target_arch = "mips64",
+        target_arch = "sparc64"
+    ))
+))]
 #[cfg(feature = "signal")]
 const SIGNALS: [Signal; 31] = [
-    SIGHUP,
-    SIGINT,
-    SIGQUIT,
-    SIGILL,
-    SIGTRAP,
-    SIGABRT,
-    SIGBUS,
-    SIGFPE,
-    SIGKILL,
-    SIGUSR1,
-    SIGSEGV,
-    SIGUSR2,
-    SIGPIPE,
-    SIGALRM,
-    SIGTERM,
-    SIGSTKFLT,
-    SIGCHLD,
-    SIGCONT,
-    SIGSTOP,
-    SIGTSTP,
-    SIGTTIN,
-    SIGTTOU,
-    SIGURG,
-    SIGXCPU,
-    SIGXFSZ,
-    SIGVTALRM,
-    SIGPROF,
-    SIGWINCH,
-    SIGIO,
-    SIGPWR,
-    SIGSYS];
-#[cfg(all(any(target_os = "linux", target_os = "android",
-              target_os = "emscripten", target_os = "fuchsia"),
-          any(target_arch = "mips", target_arch = "mips64",
-              target_arch = "sparc64")))]
+    SIGHUP, SIGINT, SIGQUIT, SIGILL, SIGTRAP, SIGABRT, SIGBUS, SIGFPE, SIGKILL,
+    SIGUSR1, SIGSEGV, SIGUSR2, SIGPIPE, SIGALRM, SIGTERM, SIGSTKFLT, SIGCHLD,
+    SIGCONT, SIGSTOP, SIGTSTP, SIGTTIN, SIGTTOU, SIGURG, SIGXCPU, SIGXFSZ,
+    SIGVTALRM, SIGPROF, SIGWINCH, SIGIO, SIGPWR, SIGSYS,
+];
+#[cfg(all(
+    any(
+        target_os = "linux",
+        target_os = "android",
+        target_os = "emscripten",
+        target_os = "fuchsia"
+    ),
+    any(target_arch = "mips", target_arch = "mips64", target_arch = "sparc64")
+))]
 #[cfg(feature = "signal")]
 const SIGNALS: [Signal; 30] = [
-    SIGHUP,
-    SIGINT,
-    SIGQUIT,
-    SIGILL,
-    SIGTRAP,
-    SIGABRT,
-    SIGBUS,
-    SIGFPE,
-    SIGKILL,
-    SIGUSR1,
-    SIGSEGV,
-    SIGUSR2,
-    SIGPIPE,
-    SIGALRM,
-    SIGTERM,
-    SIGCHLD,
-    SIGCONT,
-    SIGSTOP,
-    SIGTSTP,
-    SIGTTIN,
-    SIGTTOU,
-    SIGURG,
-    SIGXCPU,
-    SIGXFSZ,
-    SIGVTALRM,
-    SIGPROF,
-    SIGWINCH,
-    SIGIO,
-    SIGPWR,
-    SIGSYS];
-#[cfg(not(any(target_os = "linux", target_os = "android",
-              target_os = "fuchsia", target_os = "emscripten",
-              target_os = "redox")))]
+    SIGHUP, SIGINT, SIGQUIT, SIGILL, SIGTRAP, SIGABRT, SIGBUS, SIGFPE, SIGKILL,
+    SIGUSR1, SIGSEGV, SIGUSR2, SIGPIPE, SIGALRM, SIGTERM, SIGCHLD, SIGCONT,
+    SIGSTOP, SIGTSTP, SIGTTIN, SIGTTOU, SIGURG, SIGXCPU, SIGXFSZ, SIGVTALRM,
+    SIGPROF, SIGWINCH, SIGIO, SIGPWR, SIGSYS,
+];
+#[cfg(not(any(
+    target_os = "linux",
+    target_os = "android",
+    target_os = "fuchsia",
+    target_os = "emscripten",
+    target_os = "redox",
+    target_os = "haiku"
+)))]
 #[cfg(feature = "signal")]
 const SIGNALS: [Signal; 31] = [
-    SIGHUP,
-    SIGINT,
-    SIGQUIT,
-    SIGILL,
-    SIGTRAP,
-    SIGABRT,
-    SIGBUS,
-    SIGFPE,
-    SIGKILL,
-    SIGUSR1,
-    SIGSEGV,
-    SIGUSR2,
-    SIGPIPE,
-    SIGALRM,
-    SIGTERM,
-    SIGCHLD,
-    SIGCONT,
-    SIGSTOP,
-    SIGTSTP,
-    SIGTTIN,
-    SIGTTOU,
-    SIGURG,
-    SIGXCPU,
-    SIGXFSZ,
-    SIGVTALRM,
-    SIGPROF,
-    SIGWINCH,
-    SIGIO,
-    SIGSYS,
-    SIGEMT,
-    SIGINFO];
+    SIGHUP, SIGINT, SIGQUIT, SIGILL, SIGTRAP, SIGABRT, SIGBUS, SIGFPE, SIGKILL,
+    SIGUSR1, SIGSEGV, SIGUSR2, SIGPIPE, SIGALRM, SIGTERM, SIGCHLD, SIGCONT,
+    SIGSTOP, SIGTSTP, SIGTTIN, SIGTTOU, SIGURG, SIGXCPU, SIGXFSZ, SIGVTALRM,
+    SIGPROF, SIGWINCH, SIGIO, SIGSYS, SIGEMT, SIGINFO,
+];
 
 feature! {
 #![feature = "signal"]
@@ -417,6 +394,7 @@ impl Signal {
 /// Alias for [`SIGABRT`]
 pub const SIGIOT : Signal = SIGABRT;
 /// Alias for [`SIGIO`]
+#[cfg(not(target_os = "haiku"))]
 pub const SIGPOLL : Signal = SIGIO;
 /// Alias for [`SIGSYS`]
 pub const SIGUNUSED : Signal = SIGSYS;
@@ -433,7 +411,7 @@ cfg_if! {
 }
 
 #[cfg(feature = "signal")]
-libc_bitflags!{
+libc_bitflags! {
     /// Controls the behavior of a [`SigAction`]
     #[cfg_attr(docsrs, doc(cfg(feature = "signal")))]
     pub struct SaFlags: SaFlags_t {
@@ -487,6 +465,9 @@ use std::iter::FromIterator;
 use std::iter::IntoIterator;
 
 /// Specifies a set of [`Signal`]s that may be blocked, waited for, etc.
+// We are using `transparent` here to be super sure that `SigSet`
+// is represented exactly like the `sigset_t` struct from C.
+#[repr(transparent)]
 #[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
 pub struct SigSet {
     sigset: libc::sigset_t
@@ -494,6 +475,7 @@ pub struct SigSet {
 
 impl SigSet {
     /// Initialize to include all signals.
+    #[cfg_attr(has_doc_alias, doc(alias("sigfillset")))]
     pub fn all() -> SigSet {
         let mut sigset = mem::MaybeUninit::uninit();
         let _ = unsafe { libc::sigfillset(sigset.as_mut_ptr()) };
@@ -502,6 +484,7 @@ impl SigSet {
     }
 
     /// Initialize to include nothing.
+    #[cfg_attr(has_doc_alias, doc(alias("sigemptyset")))]
     pub fn empty() -> SigSet {
         let mut sigset = mem::MaybeUninit::uninit();
         let _ = unsafe { libc::sigemptyset(sigset.as_mut_ptr()) };
@@ -510,21 +493,25 @@ impl SigSet {
     }
 
     /// Add the specified signal to the set.
+    #[cfg_attr(has_doc_alias, doc(alias("sigaddset")))]
     pub fn add(&mut self, signal: Signal) {
         unsafe { libc::sigaddset(&mut self.sigset as *mut libc::sigset_t, signal as libc::c_int) };
     }
 
     /// Remove all signals from this set.
+    #[cfg_attr(has_doc_alias, doc(alias("sigemptyset")))]
     pub fn clear(&mut self) {
         unsafe { libc::sigemptyset(&mut self.sigset as *mut libc::sigset_t) };
     }
 
     /// Remove the specified signal from this set.
+    #[cfg_attr(has_doc_alias, doc(alias("sigdelset")))]
     pub fn remove(&mut self, signal: Signal) {
         unsafe { libc::sigdelset(&mut self.sigset as *mut libc::sigset_t, signal as libc::c_int) };
     }
 
     /// Return whether this set includes the specified signal.
+    #[cfg_attr(has_doc_alias, doc(alias("sigismember")))]
     pub fn contains(&self, signal: Signal) -> bool {
         let res = unsafe { libc::sigismember(&self.sigset as *const libc::sigset_t, signal as libc::c_int) };
 
@@ -583,6 +570,19 @@ impl SigSet {
             Signal::try_from(signum.assume_init()).unwrap()
         })
     }
+
+    /// Converts a `libc::sigset_t` object to a [`SigSet`] without checking  whether the
+    /// `libc::sigset_t` is already initialized.
+    ///
+    /// # Safety
+    ///
+    /// The `sigset` passed in must be a valid an initialized `libc::sigset_t` by calling either
+    /// [`sigemptyset(3)`](https://man7.org/linux/man-pages/man3/sigemptyset.3p.html) or
+    /// [`sigfillset(3)`](https://man7.org/linux/man-pages/man3/sigfillset.3p.html).
+    /// Otherwise, the results are undefined.
+    pub unsafe fn from_sigset_t_unchecked(sigset: libc::sigset_t) -> SigSet {
+        SigSet { sigset }
+    }
 }
 
 impl AsRef<libc::sigset_t> for SigSet {
@@ -965,7 +965,6 @@ pub fn raise(signal: Signal) -> Result<()> {
 }
 }
 
-
 feature! {
 #![any(feature = "aio", feature = "signal")]
 
@@ -1125,9 +1124,9 @@ mod sigevent {
 
 #[cfg(test)]
 mod tests {
+    use super::*;
     #[cfg(not(target_os = "redox"))]
     use std::thread;
-    use super::*;
 
     #[test]
     fn test_contains() {
@@ -1190,15 +1189,19 @@ mod tests {
             let mut test_mask = prev_mask;
             test_mask.add(SIGUSR1);
 
-            assert!(test_mask.thread_set_mask().is_ok());
-            let new_mask = SigSet::thread_get_mask()
-                .expect("Failed to get new mask!");
+            test_mask.thread_set_mask().expect("assertion failed");
+            let new_mask =
+                SigSet::thread_get_mask().expect("Failed to get new mask!");
 
             assert!(new_mask.contains(SIGUSR1));
             assert!(!new_mask.contains(SIGUSR2));
 
-            prev_mask.thread_set_mask().expect("Failed to revert signal mask!");
-        }).join().unwrap();
+            prev_mask
+                .thread_set_mask()
+                .expect("Failed to revert signal mask!");
+        })
+        .join()
+        .unwrap();
     }
 
     #[test]
@@ -1208,10 +1211,12 @@ mod tests {
             let mut mask = SigSet::empty();
             mask.add(SIGUSR1);
 
-            assert!(mask.thread_block().is_ok());
+            mask.thread_block().expect("assertion failed");
 
             assert!(SigSet::thread_get_mask().unwrap().contains(SIGUSR1));
-        }).join().unwrap();
+        })
+        .join()
+        .unwrap();
     }
 
     #[test]
@@ -1221,10 +1226,12 @@ mod tests {
             let mut mask = SigSet::empty();
             mask.add(SIGUSR1);
 
-            assert!(mask.thread_unblock().is_ok());
+            mask.thread_unblock().expect("assertion failed");
 
             assert!(!SigSet::thread_get_mask().unwrap().contains(SIGUSR1));
-        }).join().unwrap();
+        })
+        .join()
+        .unwrap();
     }
 
     #[test]
@@ -1240,14 +1247,16 @@ mod tests {
             let mut mask2 = SigSet::empty();
             mask2.add(SIGUSR2);
 
-            let oldmask = mask2.thread_swap_mask(SigmaskHow::SIG_SETMASK)
-                .unwrap();
+            let oldmask =
+                mask2.thread_swap_mask(SigmaskHow::SIG_SETMASK).unwrap();
 
             assert!(oldmask.contains(SIGUSR1));
             assert!(!oldmask.contains(SIGUSR2));
 
             assert!(SigSet::thread_get_mask().unwrap().contains(SIGUSR2));
-        }).join().unwrap();
+        })
+        .join()
+        .unwrap();
     }
 
     #[test]
@@ -1261,22 +1270,28 @@ mod tests {
     #[cfg(not(target_os = "redox"))]
     fn test_sigaction() {
         thread::spawn(|| {
-            extern fn test_sigaction_handler(_: libc::c_int) {}
-            extern fn test_sigaction_action(_: libc::c_int,
-                _: *mut libc::siginfo_t, _: *mut libc::c_void) {}
+            extern "C" fn test_sigaction_handler(_: libc::c_int) {}
+            extern "C" fn test_sigaction_action(
+                _: libc::c_int,
+                _: *mut libc::siginfo_t,
+                _: *mut libc::c_void,
+            ) {
+            }
 
             let handler_sig = SigHandler::Handler(test_sigaction_handler);
 
-            let flags = SaFlags::SA_ONSTACK | SaFlags::SA_RESTART |
-                        SaFlags::SA_SIGINFO;
+            let flags =
+                SaFlags::SA_ONSTACK | SaFlags::SA_RESTART | SaFlags::SA_SIGINFO;
 
             let mut mask = SigSet::empty();
             mask.add(SIGUSR1);
 
             let action_sig = SigAction::new(handler_sig, flags, mask);
 
-            assert_eq!(action_sig.flags(),
-                       SaFlags::SA_ONSTACK | SaFlags::SA_RESTART);
+            assert_eq!(
+                action_sig.flags(),
+                SaFlags::SA_ONSTACK | SaFlags::SA_RESTART
+            );
             assert_eq!(action_sig.handler(), handler_sig);
 
             mask = action_sig.mask();
@@ -1292,7 +1307,9 @@ mod tests {
 
             let action_ign = SigAction::new(SigHandler::SigIgn, flags, mask);
             assert_eq!(action_ign.handler(), SigHandler::SigIgn);
-        }).join().unwrap();
+        })
+        .join()
+        .unwrap();
     }
 
     #[test]
@@ -1306,6 +1323,25 @@ mod tests {
 
             raise(SIGUSR1).unwrap();
             assert_eq!(mask.wait().unwrap(), SIGUSR1);
-        }).join().unwrap();
+        })
+        .join()
+        .unwrap();
+    }
+
+    #[test]
+    fn test_from_sigset_t_unchecked() {
+        let src_set = SigSet::empty();
+        let set = unsafe { SigSet::from_sigset_t_unchecked(src_set.sigset) };
+
+        for signal in Signal::iterator() {
+            assert!(!set.contains(signal));
+        }
+
+        let src_set = SigSet::all();
+        let set = unsafe { SigSet::from_sigset_t_unchecked(src_set.sigset) };
+
+        for signal in Signal::iterator() {
+            assert!(set.contains(signal));
+        }
     }
 }
diff --git a/bash-5.1/vendor/nix/src/sys/signalfd.rs b/bash-5.1/vendor/nix/src/sys/signalfd.rs
index bc4a4522439ad22789609139206caabed0e6927f..166bb9d246c601e6fb091aa916f4f26ee2f14df3 100644
--- a/bash-5.1/vendor/nix/src/sys/signalfd.rs
+++ b/bash-5.1/vendor/nix/src/sys/signalfd.rs
@@ -147,15 +147,17 @@ mod tests {
     #[test]
     fn create_signalfd() {
         let mask = SigSet::empty();
-        let fd = SignalFd::new(&mask);
-        assert!(fd.is_ok());
+        SignalFd::new(&mask).unwrap();
     }
 
     #[test]
     fn create_signalfd_with_opts() {
         let mask = SigSet::empty();
-        let fd = SignalFd::with_flags(&mask, SfdFlags::SFD_CLOEXEC | SfdFlags::SFD_NONBLOCK);
-        assert!(fd.is_ok());
+        SignalFd::with_flags(
+            &mask,
+            SfdFlags::SFD_CLOEXEC | SfdFlags::SFD_NONBLOCK,
+        )
+        .unwrap();
     }
 
     #[test]
diff --git a/bash-5.1/vendor/nix/src/sys/socket/addr.rs b/bash-5.1/vendor/nix/src/sys/socket/addr.rs
index 52d60ac9abba09acabbbe0d0051a1d9cb3e76832..ad917cd08feb2fd845bd1bf41e826f7cd958f13c 100644
--- a/bash-5.1/vendor/nix/src/sys/socket/addr.rs
+++ b/bash-5.1/vendor/nix/src/sys/socket/addr.rs
@@ -26,6 +26,7 @@ use crate::sys::socket::addr::sys_control::SysControlAddr;
           target_os = "illumos",
           target_os = "netbsd",
           target_os = "openbsd",
+          target_os = "haiku",
           target_os = "fuchsia"))]
 #[cfg(feature = "net")]
 pub use self::datalink::LinkAddr;
@@ -120,6 +121,7 @@ pub enum AddressFamily {
     #[cfg_attr(docsrs, doc(cfg(all())))]
     Rose = libc::AF_ROSE,
     /// DECet protocol sockets.
+    #[cfg(not(target_os = "haiku"))]
     Decnet = libc::AF_DECnet,
     /// Reserved for "802.2LLC project"; never used.
     #[cfg(any(target_os = "android", target_os = "linux"))]
@@ -151,6 +153,7 @@ pub enum AddressFamily {
     #[cfg_attr(docsrs, doc(cfg(all())))]
     Rds = libc::AF_RDS,
     /// IBM SNA
+    #[cfg(not(target_os = "haiku"))]
     Sna = libc::AF_SNA,
     /// Socket interface over IrDA
     #[cfg(any(target_os = "android", target_os = "linux"))]
@@ -202,7 +205,7 @@ pub enum AddressFamily {
     #[cfg_attr(docsrs, doc(cfg(all())))]
     RxRpc = libc::AF_RXRPC,
     /// New "modular ISDN" driver interface protocol
-    #[cfg(not(any(target_os = "illumos", target_os = "solaris")))]
+    #[cfg(not(any(target_os = "illumos", target_os = "solaris", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     Isdn = libc::AF_ISDN,
     /// Nokia cellular modem IPC/RPC interface
@@ -1158,6 +1161,7 @@ impl SockaddrIn {
                   target_os = "ios",
                   target_os = "macos",
                   target_os = "netbsd",
+                  target_os = "haiku",
                   target_os = "openbsd"))]
             sin_len: Self::size() as u8,
             sin_family: AddressFamily::Inet as sa_family_t,
@@ -1191,7 +1195,7 @@ impl SockaddrLike for SockaddrIn {
         if (*addr).sa_family as i32 != libc::AF_INET as i32 {
             return None;
         }
-        Some(SockaddrIn(*(addr as *const libc::sockaddr_in)))
+        Some(Self(ptr::read_unaligned(addr as *const _)))
     }
 }
 
@@ -1233,6 +1237,16 @@ impl From<net::SocketAddrV4> for SockaddrIn {
     }
 }
 
+#[cfg(feature = "net")]
+impl From<SockaddrIn> for net::SocketAddrV4 {
+    fn from(addr: SockaddrIn) -> Self {
+        net::SocketAddrV4::new(
+            net::Ipv4Addr::from(addr.0.sin_addr.s_addr.to_ne_bytes()),
+            u16::from_be(addr.0.sin_port)
+        )
+    }
+}
+
 #[cfg(feature = "net")]
 impl std::str::FromStr for SockaddrIn {
     type Err = net::AddrParseError;
@@ -1287,7 +1301,7 @@ impl SockaddrLike for SockaddrIn6 {
         if (*addr).sa_family as i32 != libc::AF_INET6 as i32 {
             return None;
         }
-        Some(SockaddrIn6(*(addr as *const libc::sockaddr_in6)))
+        Some(Self(ptr::read_unaligned(addr as *const _)))
     }
 }
 
@@ -1329,6 +1343,18 @@ impl From<net::SocketAddrV6> for SockaddrIn6 {
     }
 }
 
+#[cfg(feature = "net")]
+impl From<SockaddrIn6> for net::SocketAddrV6 {
+    fn from(addr: SockaddrIn6) -> Self {
+        net::SocketAddrV6::new(
+            net::Ipv6Addr::from(addr.0.sin6_addr.s6_addr),
+            u16::from_be(addr.0.sin6_port),
+            u32::from_be(addr.0.sin6_flowinfo),
+            u32::from_be(addr.0.sin6_scope_id)
+        )
+    }
+}
+
 #[cfg(feature = "net")]
 impl std::str::FromStr for SockaddrIn6 {
     type Err = net::AddrParseError;
@@ -1420,6 +1446,7 @@ impl SockaddrLike for SockaddrStorage {
                           target_os = "macos",
                           target_os = "illumos",
                           target_os = "netbsd",
+                          target_os = "haiku",
                           target_os = "openbsd"))]
                 #[cfg(feature = "net")]
                 libc::AF_LINK => LinkAddr::from_raw(addr, l)
@@ -1487,6 +1514,14 @@ impl SockaddrStorage {
     accessors!{as_alg_addr, as_alg_addr_mut, AlgAddr,
         AddressFamily::Alg, libc::sockaddr_alg, alg}
 
+    #[cfg(any(target_os = "android",
+              target_os = "fuchsia",
+              target_os = "linux"))]
+    #[cfg(feature = "net")]
+    accessors!{
+        as_link_addr, as_link_addr_mut, LinkAddr,
+        AddressFamily::Packet, libc::sockaddr_ll, dl}
+
     #[cfg(any(target_os = "dragonfly",
               target_os = "freebsd",
               target_os = "ios",
@@ -1835,21 +1870,21 @@ impl SockAddr {
                 Some(AddressFamily::Unix) => None,
                 #[cfg(feature = "net")]
                 Some(AddressFamily::Inet) => Some(SockAddr::Inet(
-                    InetAddr::V4(*(addr as *const libc::sockaddr_in)))),
+                    InetAddr::V4(ptr::read_unaligned(addr as *const _)))),
                 #[cfg(feature = "net")]
                 Some(AddressFamily::Inet6) => Some(SockAddr::Inet(
-                    InetAddr::V6(*(addr as *const libc::sockaddr_in6)))),
+                    InetAddr::V6(ptr::read_unaligned(addr as *const _)))),
                 #[cfg(any(target_os = "android", target_os = "linux"))]
                 Some(AddressFamily::Netlink) => Some(SockAddr::Netlink(
-                    NetlinkAddr(*(addr as *const libc::sockaddr_nl)))),
+                    NetlinkAddr(ptr::read_unaligned(addr as *const _)))),
                 #[cfg(all(feature = "ioctl",
                           any(target_os = "ios", target_os = "macos")))]
                 Some(AddressFamily::System) => Some(SockAddr::SysControl(
-                    SysControlAddr(*(addr as *const libc::sockaddr_ctl)))),
+                    SysControlAddr(ptr::read_unaligned(addr as *const _)))),
                 #[cfg(any(target_os = "android", target_os = "linux"))]
                 #[cfg(feature = "net")]
                 Some(AddressFamily::Packet) => Some(SockAddr::Link(
-                    LinkAddr(*(addr as *const libc::sockaddr_ll)))),
+                    LinkAddr(ptr::read_unaligned(addr as *const _)))),
                 #[cfg(any(target_os = "dragonfly",
                           target_os = "freebsd",
                           target_os = "ios",
@@ -1859,7 +1894,7 @@ impl SockAddr {
                           target_os = "openbsd"))]
                 #[cfg(feature = "net")]
                 Some(AddressFamily::Link) => {
-                    let ether_addr = LinkAddr(*(addr as *const libc::sockaddr_dl));
+                    let ether_addr = LinkAddr(ptr::read_unaligned(addr as *const _));
                     if ether_addr.is_empty() {
                         None
                     } else {
@@ -1868,7 +1903,7 @@ impl SockAddr {
                 },
                 #[cfg(any(target_os = "android", target_os = "linux"))]
                 Some(AddressFamily::Vsock) => Some(SockAddr::Vsock(
-                    VsockAddr(*(addr as *const libc::sockaddr_vm)))),
+                    VsockAddr(ptr::read_unaligned(addr as *const _)))),
                 // Other address families are currently not supported and simply yield a None
                 // entry instead of a proper conversion to a `SockAddr`.
                 Some(_) | None => None,
@@ -2069,7 +2104,7 @@ pub mod netlink {
             if (*addr).sa_family as i32 != libc::AF_NETLINK as i32 {
                 return None;
             }
-            Some(NetlinkAddr(*(addr as *const libc::sockaddr_nl)))
+            Some(Self(ptr::read_unaligned(addr as *const _)))
         }
     }
 
@@ -2113,7 +2148,7 @@ pub mod alg {
             if (*addr).sa_family as i32 != libc::AF_ALG as i32 {
                 return None;
             }
-            Some(AlgAddr(*(addr as *const libc::sockaddr_alg)))
+            Some(Self(ptr::read_unaligned(addr as *const _)))
         }
     }
 
@@ -2185,7 +2220,7 @@ feature! {
 pub mod sys_control {
     use crate::sys::socket::addr::AddressFamily;
     use libc::{self, c_uchar};
-    use std::{fmt, mem};
+    use std::{fmt, mem, ptr};
     use std::os::unix::io::RawFd;
     use crate::{Errno, Result};
     use super::{private, SockaddrLike};
@@ -2224,10 +2259,10 @@ pub mod sys_control {
                     return None;
                 }
             }
-            if (*addr).sa_family as i32 != libc::AF_INET6 as i32 {
+            if (*addr).sa_family as i32 != libc::AF_SYSTEM as i32 {
                 return None;
             }
-            Some(SysControlAddr(*(addr as *const libc::sockaddr_ctl)))
+            Some(Self(ptr::read_unaligned(addr as *const _)))
         }
     }
 
@@ -2294,7 +2329,7 @@ pub mod sys_control {
 mod datalink {
     feature! {
     #![feature = "net"]
-    use super::{fmt, mem, private, SockaddrLike};
+    use super::{fmt, mem, private, ptr, SockaddrLike};
 
     /// Hardware Address
     #[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
@@ -2370,7 +2405,7 @@ mod datalink {
             if (*addr).sa_family as i32 != libc::AF_PACKET as i32 {
                 return None;
             }
-            Some(LinkAddr(*(addr as *const libc::sockaddr_ll)))
+            Some(Self(ptr::read_unaligned(addr as *const _)))
         }
     }
 
@@ -2389,12 +2424,13 @@ mod datalink {
           target_os = "macos",
           target_os = "illumos",
           target_os = "netbsd",
+          target_os = "haiku",
           target_os = "openbsd"))]
 #[cfg_attr(docsrs, doc(cfg(all())))]
 mod datalink {
     feature! {
     #![feature = "net"]
-    use super::{fmt, mem, private, SockaddrLike};
+    use super::{fmt, mem, private, ptr, SockaddrLike};
 
     /// Hardware Address
     #[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
@@ -2403,11 +2439,13 @@ mod datalink {
 
     impl LinkAddr {
         /// interface index, if != 0, system given index for interface
+        #[cfg(not(target_os = "haiku"))]
         pub fn ifindex(&self) -> usize {
             self.0.sdl_index as usize
         }
 
         /// Datalink type
+        #[cfg(not(target_os = "haiku"))]
         pub fn datalink_type(&self) -> u8 {
             self.0.sdl_type
         }
@@ -2423,6 +2461,7 @@ mod datalink {
         }
 
         /// link layer selector length
+        #[cfg(not(target_os = "haiku"))]
         pub fn slen(&self) -> usize {
             self.0.sdl_slen as usize
         }
@@ -2486,7 +2525,7 @@ mod datalink {
             if (*addr).sa_family as i32 != libc::AF_LINK as i32 {
                 return None;
             }
-            Some(LinkAddr(*(addr as *const libc::sockaddr_dl)))
+            Some(Self(ptr::read_unaligned(addr as *const _)))
         }
     }
 
@@ -2527,10 +2566,10 @@ pub mod vsock {
                     return None;
                 }
             }
-            if (*addr).sa_family as i32 != libc::AF_INET6 as i32 {
+            if (*addr).sa_family as i32 != libc::AF_VSOCK as i32 {
                 return None;
             }
-            Some(VsockAddr(*(addr as *const libc::sockaddr_vm)))
+            Some(Self(ptr::read_unaligned(addr as *const _)))
         }
     }
 
@@ -2619,6 +2658,8 @@ mod tests {
     }
 
     mod link {
+        #![allow(clippy::cast_ptr_alignment)]
+
         use super::*;
         #[cfg(any(target_os = "ios",
                   target_os = "macos",
@@ -2651,6 +2692,28 @@ mod tests {
             format!("{}", la);
         }
 
+        #[cfg(all(
+                any(target_os = "android",
+                    target_os = "fuchsia",
+                    target_os = "linux"),
+                target_endian = "little"
+        ))]
+        #[test]
+        fn linux_loopback() {
+            #[repr(align(2))]
+            struct Raw([u8; 20]);
+
+            let bytes = Raw([17u8, 0, 0, 0, 1, 0, 0, 0, 4, 3, 0, 6, 1, 2, 3, 4, 5, 6, 0, 0]);
+            let sa = bytes.0.as_ptr() as *const libc::sockaddr;
+            let len = None;
+            let sock_addr = unsafe { SockaddrStorage::from_raw(sa, len) }.unwrap();
+            assert_eq!(sock_addr.family(), Some(AddressFamily::Packet));
+            match sock_addr.as_link_addr() {
+                Some(dl) => assert_eq!(dl.addr(), Some([1, 2, 3, 4, 5, 6])),
+                None => panic!("Can't unwrap sockaddr storage")
+            }
+        }
+
         #[cfg(any(target_os = "ios",
                   target_os = "macos"
                   ))]
@@ -2715,7 +2778,8 @@ mod tests {
                       target_os = "macos",
                       target_os = "netbsd",
                       target_os = "illumos",
-                      target_os = "openbsd"))]
+                      target_os = "openbsd",
+                      target_os = "haiku"))]
             let l = mem::size_of::<libc::sockaddr_dl>();
             #[cfg(any(
                     target_os = "android",
diff --git a/bash-5.1/vendor/nix/src/sys/socket/mod.rs b/bash-5.1/vendor/nix/src/sys/socket/mod.rs
index c661389200572eeb66732a008bf0d1bd9db17d2d..ecbf30ad44cd65776b08d75ace84034e4ec2a58b 100644
--- a/bash-5.1/vendor/nix/src/sys/socket/mod.rs
+++ b/bash-5.1/vendor/nix/src/sys/socket/mod.rs
@@ -38,7 +38,7 @@ pub use self::addr::{
     UnixAddr,
 };
 #[allow(deprecated)]
-#[cfg(not(any(target_os = "illumos", target_os = "solaris")))]
+#[cfg(not(any(target_os = "illumos", target_os = "solaris", target_os = "haiku")))]
 #[cfg(feature = "net")]
 pub use self::addr::{
     InetAddr,
@@ -57,7 +57,7 @@ pub use self::addr::{
     UnixAddr,
 };
 #[allow(deprecated)]
-#[cfg(any(target_os = "illumos", target_os = "solaris"))]
+#[cfg(any(target_os = "illumos", target_os = "solaris", target_os = "haiku"))]
 #[cfg(feature = "net")]
 pub use self::addr::{
     InetAddr,
@@ -118,6 +118,7 @@ pub enum SockType {
     Raw = libc::SOCK_RAW,
     /// Provides a reliable datagram layer that does not
     /// guarantee ordering.
+    #[cfg(not(any(target_os = "haiku")))]
     Rdm = libc::SOCK_RDM,
 }
 
@@ -213,6 +214,13 @@ pub enum SockProtocol {
     #[cfg(any(target_os = "android", target_os = "linux"))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     NetlinkCrypto = libc::NETLINK_CRYPTO,
+    /// Non-DIX type protocol number defined for the Ethernet IEEE 802.3 interface that allows packets of all protocols
+    /// defined in the interface to be received.
+    /// ([ref](https://man7.org/linux/man-pages/man7/packet.7.html))
+    // The protocol number is fed into the socket syscall in network byte order.
+    #[cfg(any(target_os = "android", target_os = "linux"))]
+    #[cfg_attr(docsrs, doc(cfg(all())))]
+    EthAll = libc::ETH_P_ALL.to_be(),
 }
 
 #[cfg(any(target_os = "linux"))]
@@ -669,7 +677,7 @@ pub enum ControlMessageOwned {
     ///     None).unwrap();
     /// setsockopt(in_socket, sockopt::ReceiveTimestamp, &true).unwrap();
     /// let localhost = SockaddrIn::from_str("127.0.0.1:0").unwrap();
-    /// bind(in_socket, &localhost);
+    /// bind(in_socket, &localhost).unwrap();
     /// let address: SockaddrIn = getsockname(in_socket).unwrap();
     /// // Get initial time
     /// let time0 = SystemTime::now();
@@ -756,6 +764,14 @@ pub enum ControlMessageOwned {
     #[cfg(feature = "net")]
     #[cfg_attr(docsrs, doc(cfg(feature = "net")))]
     Ipv4RecvDstAddr(libc::in_addr),
+    #[cfg(any(target_os = "android", target_os = "freebsd", target_os = "linux"))]
+    #[cfg(feature = "net")]
+    #[cfg_attr(docsrs, doc(cfg(feature = "net")))]
+    Ipv4OrigDstAddr(libc::sockaddr_in),
+    #[cfg(any(target_os = "android", target_os = "freebsd", target_os = "linux"))]
+    #[cfg(feature = "net")]
+    #[cfg_attr(docsrs, doc(cfg(feature = "net")))]
+    Ipv6OrigDstAddr(libc::sockaddr_in6),
 
     /// UDP Generic Receive Offload (GRO) allows receiving multiple UDP
     /// packets from a single sender.
@@ -845,6 +861,7 @@ impl ControlMessageOwned {
                 let cred: libc::cmsgcred = ptr::read_unaligned(p as *const _);
                 ControlMessageOwned::ScmCreds(cred.into())
             }
+            #[cfg(not(target_os = "haiku"))]
             (libc::SOL_SOCKET, libc::SCM_TIMESTAMP) => {
                 let tv: libc::timeval = ptr::read_unaligned(p as *const _);
                 ControlMessageOwned::ScmTimestamp(TimeVal::from(tv))
@@ -914,6 +931,12 @@ impl ControlMessageOwned {
                 let dl = ptr::read_unaligned(p as *const libc::in_addr);
                 ControlMessageOwned::Ipv4RecvDstAddr(dl)
             },
+            #[cfg(any(target_os = "android", target_os = "freebsd", target_os = "linux"))]
+            #[cfg(feature = "net")]
+            (libc::IPPROTO_IP, libc::IP_ORIGDSTADDR) => {
+                let dl = ptr::read_unaligned(p as *const libc::sockaddr_in);
+                ControlMessageOwned::Ipv4OrigDstAddr(dl)
+            },
             #[cfg(target_os = "linux")]
             #[cfg(feature = "net")]
             (libc::SOL_UDP, libc::UDP_GRO) => {
@@ -937,6 +960,12 @@ impl ControlMessageOwned {
                 let (err, addr) = Self::recv_err_helper::<sockaddr_in6>(p, len);
                 ControlMessageOwned::Ipv6RecvErr(err, addr)
             },
+            #[cfg(any(target_os = "android", target_os = "freebsd", target_os = "linux"))]
+            #[cfg(feature = "net")]
+            (libc::IPPROTO_IPV6, libc::IPV6_ORIGDSTADDR) => {
+                let dl = ptr::read_unaligned(p as *const libc::sockaddr_in6);
+                ControlMessageOwned::Ipv6OrigDstAddr(dl)
+            },
             (_, _) => {
                 let sl = slice::from_raw_parts(p, len);
                 let ucmsg = UnknownCmsg(*header, Vec::<u8>::from(sl));
@@ -947,6 +976,7 @@ impl ControlMessageOwned {
 
     #[cfg(any(target_os = "android", target_os = "linux"))]
     #[cfg(feature = "net")]
+    #[allow(clippy::cast_ptr_alignment)]    // False positive
     unsafe fn recv_err_helper<T>(p: *mut libc::c_uchar, len: usize) -> (libc::sock_extended_err, Option<T>) {
         let ee = p as *const libc::sock_extended_err;
         let err = ptr::read_unaligned(ee);
@@ -1087,6 +1117,17 @@ pub enum ControlMessage<'a> {
     #[cfg_attr(docsrs, doc(cfg(feature = "net")))]
     Ipv6PacketInfo(&'a libc::in6_pktinfo),
 
+    /// Configure the IPv4 source address with `IP_SENDSRCADDR`.
+    #[cfg(any(
+        target_os = "netbsd",
+        target_os = "freebsd",
+        target_os = "openbsd",
+        target_os = "dragonfly",
+    ))]
+    #[cfg(feature = "net")]
+    #[cfg_attr(docsrs, doc(cfg(feature = "net")))]
+    Ipv4SendSrcAddr(&'a libc::in_addr),
+
     /// SO_RXQ_OVFL indicates that an unsigned 32 bit value
     /// ancilliary msg (cmsg) should be attached to recieved
     /// skbs indicating the number of packets dropped by the
@@ -1196,6 +1237,10 @@ impl<'a> ControlMessage<'a> {
                       target_os = "android", target_os = "ios",))]
             #[cfg(feature = "net")]
             ControlMessage::Ipv6PacketInfo(info) => info as *const _ as *const u8,
+            #[cfg(any(target_os = "netbsd", target_os = "freebsd",
+                      target_os = "openbsd", target_os = "dragonfly"))]
+            #[cfg(feature = "net")]
+            ControlMessage::Ipv4SendSrcAddr(addr) => addr as *const _ as *const u8,
             #[cfg(any(target_os = "android", target_os = "fuchsia", target_os = "linux"))]
             ControlMessage::RxqOvfl(drop_count) => {
                 drop_count as *const _ as *const u8
@@ -1255,6 +1300,10 @@ impl<'a> ControlMessage<'a> {
               target_os = "android", target_os = "ios",))]
             #[cfg(feature = "net")]
             ControlMessage::Ipv6PacketInfo(info) => mem::size_of_val(info),
+            #[cfg(any(target_os = "netbsd", target_os = "freebsd",
+                      target_os = "openbsd", target_os = "dragonfly"))]
+            #[cfg(feature = "net")]
+            ControlMessage::Ipv4SendSrcAddr(addr) => mem::size_of_val(addr),
             #[cfg(any(target_os = "android", target_os = "fuchsia", target_os = "linux"))]
             ControlMessage::RxqOvfl(drop_count) => {
                 mem::size_of_val(drop_count)
@@ -1290,6 +1339,10 @@ impl<'a> ControlMessage<'a> {
               target_os = "android", target_os = "ios",))]
             #[cfg(feature = "net")]
             ControlMessage::Ipv6PacketInfo(_) => libc::IPPROTO_IPV6,
+            #[cfg(any(target_os = "netbsd", target_os = "freebsd",
+                      target_os = "openbsd", target_os = "dragonfly"))]
+            #[cfg(feature = "net")]
+            ControlMessage::Ipv4SendSrcAddr(_) => libc::IPPROTO_IP,
             #[cfg(any(target_os = "android", target_os = "fuchsia", target_os = "linux"))]
             ControlMessage::RxqOvfl(_) => libc::SOL_SOCKET,
             #[cfg(target_os = "linux")]
@@ -1332,6 +1385,10 @@ impl<'a> ControlMessage<'a> {
                       target_os = "android", target_os = "ios",))]
             #[cfg(feature = "net")]
             ControlMessage::Ipv6PacketInfo(_) => libc::IPV6_PKTINFO,
+            #[cfg(any(target_os = "netbsd", target_os = "freebsd",
+                      target_os = "openbsd", target_os = "dragonfly"))]
+            #[cfg(feature = "net")]
+            ControlMessage::Ipv4SendSrcAddr(_) => libc::IP_SENDSRCADDR,
             #[cfg(any(target_os = "android", target_os = "fuchsia", target_os = "linux"))]
             ControlMessage::RxqOvfl(_) => {
                 libc::SO_RXQ_OVFL
@@ -1910,8 +1967,8 @@ pub fn recvfrom<T:SockaddrLike>(sockfd: RawFd, buf: &mut [u8])
     -> Result<(usize, Option<T>)>
 {
     unsafe {
-        let mut addr = mem::MaybeUninit::uninit();
-        let mut len = mem::size_of::<T>() as socklen_t;
+        let mut addr = mem::MaybeUninit::<T>::uninit();
+        let mut len = mem::size_of_val(&addr) as socklen_t;
 
         let ret = Errno::result(libc::recvfrom(
             sockfd,
@@ -1921,7 +1978,10 @@ pub fn recvfrom<T:SockaddrLike>(sockfd: RawFd, buf: &mut [u8])
             addr.as_mut_ptr() as *mut libc::sockaddr,
             &mut len as *mut socklen_t))? as usize;
 
-        Ok((ret, T::from_raw(&addr.assume_init(), Some(len))))
+        Ok((ret, T::from_raw(
+            addr.assume_init().as_ptr() as *const libc::sockaddr,
+            Some(len))
+        ))
     }
 }
 
diff --git a/bash-5.1/vendor/nix/src/sys/socket/sockopt.rs b/bash-5.1/vendor/nix/src/sys/socket/sockopt.rs
index e80b09e77191cac576097346c9171a93dbe41b1c..1cbb223ece1fae17f3d7326f3001196180da78fc 100644
--- a/bash-5.1/vendor/nix/src/sys/socket/sockopt.rs
+++ b/bash-5.1/vendor/nix/src/sys/socket/sockopt.rs
@@ -129,6 +129,9 @@ macro_rules! getsockopt_impl {
 /// * `$ty:ty`: type of the value that will be get/set.
 /// * `$getter:ty`: `Get` implementation; optional; only for `GetOnly` and `Both`.
 /// * `$setter:ty`: `Set` implementation; optional; only for `SetOnly` and `Both`.
+// Some targets don't use all rules.
+#[allow(unknown_lints)]
+#[allow(unused_macro_rules)]
 macro_rules! sockopt_impl {
     ($(#[$attr:meta])* $name:ident, GetOnly, $level:expr, $flag:path, bool) => {
         sockopt_impl!($(#[$attr])*
@@ -349,6 +352,9 @@ sockopt_impl!(
 sockopt_impl!(
     /// Get and clear the pending socket error.
     SocketError, GetOnly, libc::SOL_SOCKET, libc::SO_ERROR, i32);
+sockopt_impl!(
+    /// Set or get the don't route flag.
+    DontRoute, Both, libc::SOL_SOCKET, libc::SO_DONTROUTE, bool);
 sockopt_impl!(
     /// Enable sending of keep-alive messages on connection-oriented sockets.
     KeepAlive, Both, libc::SOL_SOCKET, libc::SO_KEEPALIVE, bool);
@@ -377,8 +383,7 @@ sockopt_impl!(
 #[cfg(any(target_os = "android",
           target_os = "dragonfly",
           target_os = "freebsd",
-          target_os = "linux",
-          target_os = "nacl"))]
+          target_os = "linux"))]
 #[cfg(feature = "net")]
 sockopt_impl!(
     #[cfg_attr(docsrs, doc(cfg(feature = "net")))]
@@ -396,7 +401,7 @@ cfg_if! {
             TcpMaxSeg, GetOnly, libc::IPPROTO_TCP, libc::TCP_MAXSEG, u32);
     }
 }
-#[cfg(not(target_os = "openbsd"))]
+#[cfg(not(any(target_os = "openbsd", target_os = "haiku")))]
 #[cfg(feature = "net")]
 sockopt_impl!(
     #[cfg_attr(docsrs, doc(cfg(feature = "net")))]
@@ -410,7 +415,7 @@ sockopt_impl!(
     #[allow(missing_docs)]
     // Not documented by Linux!
     TcpRepair, Both, libc::IPPROTO_TCP, libc::TCP_REPAIR, u32);
-#[cfg(not(target_os = "openbsd"))]
+#[cfg(not(any(target_os = "openbsd", target_os = "haiku")))]
 #[cfg(feature = "net")]
 sockopt_impl!(
     #[cfg_attr(docsrs, doc(cfg(feature = "net")))]
@@ -470,6 +475,7 @@ sockopt_impl!(
     /// Specifies exact type of timestamping information collected by the kernel
     /// [Further reading](https://www.kernel.org/doc/html/latest/networking/timestamping.html)
     Timestamping, Both, libc::SOL_SOCKET, libc::SO_TIMESTAMPING, super::TimestampingFlag);
+#[cfg(not(target_os = "haiku"))]
 sockopt_impl!(
     /// Enable or disable the receiving of the `SO_TIMESTAMP` control message.
     ReceiveTimestamp, Both, libc::SOL_SOCKET, libc::SO_TIMESTAMP, bool);
@@ -568,6 +574,13 @@ sockopt_impl!(
     /// The `recvmsg(2)` call will return the destination IP address for a UDP
     /// datagram.
     Ipv4RecvDstAddr, Both, libc::IPPROTO_IP, libc::IP_RECVDSTADDR, bool);
+#[cfg(any(target_os = "android", target_os = "freebsd", target_os = "linux"))]
+#[cfg(feature = "net")]
+sockopt_impl!(
+    #[cfg_attr(docsrs, doc(cfg(feature = "net")))]
+    /// The `recvmsg(2)` call will return the destination IP address for a UDP
+    /// datagram.
+    Ipv4OrigDstAddr, Both, libc::IPPROTO_IP, libc::IP_ORIGDSTADDR, bool);
 #[cfg(target_os = "linux")]
 #[cfg(feature = "net")]
 sockopt_impl!(
@@ -615,6 +628,13 @@ sockopt_impl!(
 sockopt_impl!(
     /// Set the unicast hop limit for the socket.
     Ipv6Ttl, Both, libc::IPPROTO_IPV6, libc::IPV6_UNICAST_HOPS, libc::c_int);
+#[cfg(any(target_os = "android", target_os = "freebsd", target_os = "linux"))]
+#[cfg(feature = "net")]
+sockopt_impl!(
+    #[cfg_attr(docsrs, doc(cfg(feature = "net")))]
+    /// The `recvmsg(2)` call will return the destination IP address for a UDP
+    /// datagram.
+    Ipv6OrigDstAddr, Both, libc::IPPROTO_IPV6, libc::IPV6_ORIGDSTADDR, bool);
 #[cfg(any(target_os = "ios", target_os = "macos"))]
 sockopt_impl!(
     /// Set "don't fragment packet" flag on the IP packet.
@@ -962,7 +982,7 @@ mod test {
         let a_cred = getsockopt(a, super::PeerCredentials).unwrap();
         let b_cred = getsockopt(b, super::PeerCredentials).unwrap();
         assert_eq!(a_cred, b_cred);
-        assert!(a_cred.pid() != 0);
+        assert_ne!(a_cred.pid(), 0);
     }
 
     #[test]
@@ -989,8 +1009,7 @@ mod test {
     }
 
     #[cfg(any(target_os = "freebsd",
-              target_os = "linux",
-              target_os = "nacl"))]
+              target_os = "linux"))]
     #[test]
     fn can_get_listen_on_tcp_socket() {
         use super::super::*;
diff --git a/bash-5.1/vendor/nix/src/sys/stat.rs b/bash-5.1/vendor/nix/src/sys/stat.rs
index 67a1b7f7698437aa0111c911960198ba87a151f3..8b7627d5bcc30fc9fccfcdb2d5cfd158b4985085 100644
--- a/bash-5.1/vendor/nix/src/sys/stat.rs
+++ b/bash-5.1/vendor/nix/src/sys/stat.rs
@@ -1,4 +1,12 @@
 pub use libc::{dev_t, mode_t};
+#[cfg(any(target_os = "macos", target_os = "ios", target_os = "openbsd"))]
+pub use libc::c_uint;
+#[cfg(any(
+    target_os = "netbsd",
+    target_os = "freebsd",
+    target_os = "dragonfly"
+))]
+pub use libc::c_ulong;
 pub use libc::stat as FileStat;
 
 use crate::{Result, NixPath, errno::Errno};
@@ -43,6 +51,110 @@ libc_bitflags! {
     }
 }
 
+#[cfg(any(target_os = "macos", target_os = "ios", target_os="openbsd"))]
+pub type type_of_file_flag = c_uint;
+#[cfg(any(
+    target_os = "netbsd",
+    target_os = "freebsd",
+    target_os = "dragonfly"
+))]
+pub type type_of_file_flag = c_ulong;
+
+#[cfg(any(
+    target_os = "openbsd",
+    target_os = "netbsd",
+    target_os = "freebsd",
+    target_os = "dragonfly",
+    target_os = "macos",
+    target_os = "ios"
+))]
+libc_bitflags! {
+    /// File flags.
+    #[cfg_attr(docsrs, doc(cfg(all())))]
+    pub struct FileFlag: type_of_file_flag {
+        /// The file may only be appended to.
+        SF_APPEND;
+        /// The file has been archived.
+        SF_ARCHIVED;
+        #[cfg(any(target_os = "dragonfly"))]
+        SF_CACHE;
+        /// The file may not be changed.
+        SF_IMMUTABLE;
+        /// Indicates a WAPBL journal file.
+        #[cfg(any(target_os = "netbsd"))]
+        SF_LOG;
+        /// Do not retain history for file
+        #[cfg(any(target_os = "dragonfly"))]
+        SF_NOHISTORY;
+        /// The file may not be renamed or deleted.
+        #[cfg(any(target_os = "freebsd", target_os = "dragonfly"))]
+        SF_NOUNLINK;
+        /// Mask of superuser changeable flags
+        SF_SETTABLE;
+        /// Snapshot is invalid.
+        #[cfg(any(target_os = "netbsd"))]
+        SF_SNAPINVAL;
+        /// The file is a snapshot file.
+        #[cfg(any(target_os = "netbsd", target_os = "freebsd"))]
+        SF_SNAPSHOT;
+        #[cfg(any(target_os = "dragonfly"))]
+        SF_XLINK;
+        /// The file may only be appended to.
+        UF_APPEND;
+        /// The file needs to be archived.
+        #[cfg(any(target_os = "freebsd"))]
+        UF_ARCHIVE;
+        #[cfg(any(target_os = "dragonfly"))]
+        UF_CACHE;
+        /// File is compressed at the file system level.
+        #[cfg(any(target_os = "macos", target_os = "ios"))]
+        UF_COMPRESSED;
+        /// The file may be hidden from directory listings at the application's
+        /// discretion.
+        #[cfg(any(
+            target_os = "freebsd",
+            target_os = "macos",
+            target_os = "ios",
+        ))]
+        UF_HIDDEN;
+        /// The file may not be changed.
+        UF_IMMUTABLE;
+        /// Do not dump the file.
+        UF_NODUMP;
+        #[cfg(any(target_os = "dragonfly"))]
+        UF_NOHISTORY;
+        /// The file may not be renamed or deleted.
+        #[cfg(any(target_os = "freebsd", target_os = "dragonfly"))]
+        UF_NOUNLINK;
+        /// The file is offline, or has the Windows and CIFS
+        /// `FILE_ATTRIBUTE_OFFLINE` attribute.
+        #[cfg(any(target_os = "freebsd"))]
+        UF_OFFLINE;
+        /// The directory is opaque when viewed through a union stack.
+        UF_OPAQUE;
+        /// The file is read only, and may not be written or appended.
+        #[cfg(any(target_os = "freebsd"))]
+        UF_READONLY;
+        /// The file contains a Windows reparse point.
+        #[cfg(any(target_os = "freebsd"))]
+        UF_REPARSE;
+        /// Mask of owner changeable flags.
+        UF_SETTABLE;
+        /// The file has the Windows `FILE_ATTRIBUTE_SPARSE_FILE` attribute.
+        #[cfg(any(target_os = "freebsd"))]
+        UF_SPARSE;
+        /// The file has the DOS, Windows and CIFS `FILE_ATTRIBUTE_SYSTEM`
+        /// attribute.
+        #[cfg(any(target_os = "freebsd"))]
+        UF_SYSTEM;
+        /// File renames and deletes are tracked.
+        #[cfg(any(target_os = "macos", target_os = "ios"))]
+        UF_TRACKED;
+        #[cfg(any(target_os = "dragonfly"))]
+        UF_XLINK;
+    }
+}
+
 /// Create a special or ordinary file, by pathname.
 pub fn mknod<P: ?Sized + NixPath>(path: &P, kind: SFlag, perm: Mode, dev: dev_t) -> Result<()> {
     let res = path.with_nix_path(|cstr| unsafe {
@@ -53,7 +165,7 @@ pub fn mknod<P: ?Sized + NixPath>(path: &P, kind: SFlag, perm: Mode, dev: dev_t)
 }
 
 /// Create a special or ordinary file, relative to a given directory.
-#[cfg(not(any(target_os = "ios", target_os = "macos", target_os = "redox")))]
+#[cfg(not(any(target_os = "ios", target_os = "macos", target_os = "redox", target_os = "haiku")))]
 #[cfg_attr(docsrs, doc(cfg(all())))]
 pub fn mknodat<P: ?Sized + NixPath>(
     dirfd: RawFd,
diff --git a/bash-5.1/vendor/nix/src/sys/statfs.rs b/bash-5.1/vendor/nix/src/sys/statfs.rs
index 5a7ac11aff72af07d3f0254175182879419ac58e..e8c06e4e3fa27115e3deca2bc404483c75877f01 100644
--- a/bash-5.1/vendor/nix/src/sys/statfs.rs
+++ b/bash-5.1/vendor/nix/src/sys/statfs.rs
@@ -49,160 +49,160 @@ pub struct FsType(pub fs_type_t);
 
 // These constants are defined without documentation in the Linux headers, so we
 // can't very well document them here.
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const ADFS_SUPER_MAGIC: FsType = FsType(libc::ADFS_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const AFFS_SUPER_MAGIC: FsType = FsType(libc::AFFS_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const AFS_SUPER_MAGIC: FsType = FsType(libc::AFS_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const AUTOFS_SUPER_MAGIC: FsType = FsType(libc::AUTOFS_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const BPF_FS_MAGIC: FsType = FsType(libc::BPF_FS_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const BTRFS_SUPER_MAGIC: FsType = FsType(libc::BTRFS_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const CGROUP2_SUPER_MAGIC: FsType = FsType(libc::CGROUP2_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const CGROUP_SUPER_MAGIC: FsType = FsType(libc::CGROUP_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const CODA_SUPER_MAGIC: FsType = FsType(libc::CODA_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const CRAMFS_MAGIC: FsType = FsType(libc::CRAMFS_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const DEBUGFS_MAGIC: FsType = FsType(libc::DEBUGFS_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const DEVPTS_SUPER_MAGIC: FsType = FsType(libc::DEVPTS_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const ECRYPTFS_SUPER_MAGIC: FsType = FsType(libc::ECRYPTFS_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const EFS_SUPER_MAGIC: FsType = FsType(libc::EFS_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const EXT2_SUPER_MAGIC: FsType = FsType(libc::EXT2_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const EXT3_SUPER_MAGIC: FsType = FsType(libc::EXT3_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const EXT4_SUPER_MAGIC: FsType = FsType(libc::EXT4_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const F2FS_SUPER_MAGIC: FsType = FsType(libc::F2FS_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const FUSE_SUPER_MAGIC: FsType = FsType(libc::FUSE_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const FUTEXFS_SUPER_MAGIC: FsType = FsType(libc::FUTEXFS_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const HOSTFS_SUPER_MAGIC: FsType = FsType(libc::HOSTFS_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const HPFS_SUPER_MAGIC: FsType = FsType(libc::HPFS_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const HUGETLBFS_MAGIC: FsType = FsType(libc::HUGETLBFS_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const ISOFS_SUPER_MAGIC: FsType = FsType(libc::ISOFS_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const JFFS2_SUPER_MAGIC: FsType = FsType(libc::JFFS2_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const MINIX2_SUPER_MAGIC2: FsType = FsType(libc::MINIX2_SUPER_MAGIC2 as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const MINIX2_SUPER_MAGIC: FsType = FsType(libc::MINIX2_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const MINIX3_SUPER_MAGIC: FsType = FsType(libc::MINIX3_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const MINIX_SUPER_MAGIC2: FsType = FsType(libc::MINIX_SUPER_MAGIC2 as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const MINIX_SUPER_MAGIC: FsType = FsType(libc::MINIX_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const MSDOS_SUPER_MAGIC: FsType = FsType(libc::MSDOS_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const NCP_SUPER_MAGIC: FsType = FsType(libc::NCP_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const NFS_SUPER_MAGIC: FsType = FsType(libc::NFS_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const NILFS_SUPER_MAGIC: FsType = FsType(libc::NILFS_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const OCFS2_SUPER_MAGIC: FsType = FsType(libc::OCFS2_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const OPENPROM_SUPER_MAGIC: FsType = FsType(libc::OPENPROM_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const OVERLAYFS_SUPER_MAGIC: FsType = FsType(libc::OVERLAYFS_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const PROC_SUPER_MAGIC: FsType = FsType(libc::PROC_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const QNX4_SUPER_MAGIC: FsType = FsType(libc::QNX4_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const QNX6_SUPER_MAGIC: FsType = FsType(libc::QNX6_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const RDTGROUP_SUPER_MAGIC: FsType = FsType(libc::RDTGROUP_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const REISERFS_SUPER_MAGIC: FsType = FsType(libc::REISERFS_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const SECURITYFS_MAGIC: FsType = FsType(libc::SECURITYFS_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const SELINUX_MAGIC: FsType = FsType(libc::SELINUX_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const SMACK_MAGIC: FsType = FsType(libc::SMACK_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const SMB_SUPER_MAGIC: FsType = FsType(libc::SMB_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const SYSFS_MAGIC: FsType = FsType(libc::SYSFS_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const TMPFS_MAGIC: FsType = FsType(libc::TMPFS_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const TRACEFS_MAGIC: FsType = FsType(libc::TRACEFS_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const UDF_SUPER_MAGIC: FsType = FsType(libc::UDF_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const USBDEVICE_SUPER_MAGIC: FsType = FsType(libc::USBDEVICE_SUPER_MAGIC as fs_type_t);
-#[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[allow(missing_docs)]
 pub const XENFS_SUPER_MAGIC: FsType = FsType(libc::XENFS_SUPER_MAGIC as fs_type_t);
 
diff --git a/bash-5.1/vendor/nix/src/sys/statvfs.rs b/bash-5.1/vendor/nix/src/sys/statvfs.rs
index ab54b4b50b9fef428769bae9be83a1f5cf8ca744..38b1fdcc50af0f3932af75bd4219fd4866a8a920 100644
--- a/bash-5.1/vendor/nix/src/sys/statvfs.rs
+++ b/bash-5.1/vendor/nix/src/sys/statvfs.rs
@@ -16,8 +16,10 @@ libc_bitflags!(
     #[derive(Default)]
     pub struct FsFlags: c_ulong {
         /// Read Only
+        #[cfg(not(target_os = "haiku"))]
         ST_RDONLY;
         /// Do not allow the set-uid bits to have an effect
+        #[cfg(not(target_os = "haiku"))]
         ST_NOSUID;
         /// Do not interpret character or block-special devices
         #[cfg(any(target_os = "android", target_os = "linux"))]
diff --git a/bash-5.1/vendor/nix/src/sys/sysinfo.rs b/bash-5.1/vendor/nix/src/sys/sysinfo.rs
index dc943c1adce12454034a9bd31f0860a2c8dc3660..96f043307552739e6bc63e1aafb04f36231a966e 100644
--- a/bash-5.1/vendor/nix/src/sys/sysinfo.rs
+++ b/bash-5.1/vendor/nix/src/sys/sysinfo.rs
@@ -1,9 +1,9 @@
 use libc::{self, SI_LOAD_SHIFT};
-use std::{cmp, mem};
 use std::time::Duration;
+use std::{cmp, mem};
 
-use crate::Result;
 use crate::errno::Errno;
+use crate::Result;
 
 /// System info structure returned by `sysinfo`.
 #[derive(Copy, Clone, Debug, Eq, Hash, PartialEq)]
@@ -75,5 +75,5 @@ impl SysInfo {
 pub fn sysinfo() -> Result<SysInfo> {
     let mut info = mem::MaybeUninit::uninit();
     let res = unsafe { libc::sysinfo(info.as_mut_ptr()) };
-    Errno::result(res).map(|_| unsafe{ SysInfo(info.assume_init()) })
+    Errno::result(res).map(|_| unsafe { SysInfo(info.assume_init()) })
 }
diff --git a/bash-5.1/vendor/nix/src/sys/termios.rs b/bash-5.1/vendor/nix/src/sys/termios.rs
index 8870f6be7b30d8007ff0e8e83658394994ae56be..c5b27d28ea0ac4b7ea59ef797a43704869ca5ac2 100644
--- a/bash-5.1/vendor/nix/src/sys/termios.rs
+++ b/bash-5.1/vendor/nix/src/sys/termios.rs
@@ -64,9 +64,9 @@
 //! # use nix::sys::termios::{BaudRate, cfsetispeed, cfsetospeed, cfsetspeed, Termios};
 //! # fn main() {
 //! # let mut t: Termios = unsafe { std::mem::zeroed() };
-//! cfsetispeed(&mut t, BaudRate::B9600);
-//! cfsetospeed(&mut t, BaudRate::B9600);
-//! cfsetspeed(&mut t, BaudRate::B9600);
+//! cfsetispeed(&mut t, BaudRate::B9600).unwrap();
+//! cfsetospeed(&mut t, BaudRate::B9600).unwrap();
+//! cfsetspeed(&mut t, BaudRate::B9600).unwrap();
 //! # }
 //! ```
 //!
@@ -76,10 +76,10 @@
 //! # use nix::sys::termios::{BaudRate, cfgetispeed, cfgetospeed, cfsetispeed, cfsetspeed, Termios};
 //! # fn main() {
 //! # let mut t: Termios = unsafe { std::mem::zeroed() };
-//! # cfsetspeed(&mut t, BaudRate::B9600);
+//! # cfsetspeed(&mut t, BaudRate::B9600).unwrap();
 //! let speed = cfgetispeed(&t);
 //! assert_eq!(speed, cfgetospeed(&t));
-//! cfsetispeed(&mut t, speed);
+//! cfsetispeed(&mut t, speed).unwrap();
 //! # }
 //! ```
 //!
@@ -255,8 +255,9 @@ libc_enum!{
     /// enum.
     ///
     /// B0 is special and will disable the port.
+    #[cfg_attr(all(any(target_os = "haiku"), target_pointer_width = "64"), repr(u8))]
     #[cfg_attr(all(any(target_os = "ios", target_os = "macos"), target_pointer_width = "64"), repr(u64))]
-    #[cfg_attr(not(all(any(target_os = "ios", target_os = "macos"), target_pointer_width = "64")), repr(u32))]
+    #[cfg_attr(not(all(any(target_os = "ios", target_os = "macos", target_os = "haiku"), target_pointer_width = "64")), repr(u32))]
     #[non_exhaustive]
     pub enum BaudRate {
         B0,
@@ -374,6 +375,14 @@ impl From<BaudRate> for u32 {
     }
 }
 
+#[cfg(target_os = "haiku")]
+impl From<BaudRate> for u8 {
+    fn from(b: BaudRate) -> u8 {
+        b as u8
+    }
+}
+
+
 // TODO: Add TCSASOFT, which will require treating this as a bitfield.
 libc_enum! {
     /// Specify when a port configuration change should occur.
@@ -426,6 +435,7 @@ libc_enum! {
 }
 
 // TODO: Make this usable directly as a slice index.
+#[cfg(not(target_os = "haiku"))]
 libc_enum! {
     /// Indices into the `termios.c_cc` array for special characters.
     #[repr(usize)]
@@ -524,7 +534,7 @@ libc_bitflags! {
         #[cfg(not(target_os = "redox"))]
         #[cfg_attr(docsrs, doc(cfg(all())))]
         IXANY;
-        #[cfg(not(target_os = "redox"))]
+        #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
         #[cfg_attr(docsrs, doc(cfg(all())))]
         IMAXBEL;
         #[cfg(any(target_os = "android", target_os = "linux", target_os = "macos"))]
@@ -851,7 +861,7 @@ libc_bitflags! {
         #[cfg_attr(docsrs, doc(cfg(all())))]
         ALTWERASE;
         IEXTEN;
-        #[cfg(not(target_os = "redox"))]
+        #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
         #[cfg_attr(docsrs, doc(cfg(all())))]
         EXTPROC;
         TOSTOP;
@@ -979,6 +989,7 @@ cfg_if!{
         ///
         /// `cfsetspeed()` sets the input and output baud rate in the given `Termios` structure. Note that
         /// this is part of the 4.4BSD standard and not part of POSIX.
+        #[cfg(not(target_os = "haiku"))]
         pub fn cfsetspeed(termios: &mut Termios, baud: BaudRate) -> Result<()> {
             let inner_termios = unsafe { termios.get_libc_termios_mut() };
             let res = unsafe { libc::cfsetspeed(inner_termios, baud as libc::speed_t) };
@@ -1095,6 +1106,9 @@ mod test {
     #[test]
     fn try_from() {
         assert_eq!(Ok(BaudRate::B0), BaudRate::try_from(libc::B0));
-        assert!(BaudRate::try_from(999999999).is_err());
+        #[cfg(not(target_os = "haiku"))]
+        BaudRate::try_from(999999999).expect_err("assertion failed");
+        #[cfg(target_os = "haiku")]
+        BaudRate::try_from(99).expect_err("assertion failed");
     }
 }
diff --git a/bash-5.1/vendor/nix/src/sys/time.rs b/bash-5.1/vendor/nix/src/sys/time.rs
index 1e62b76a90d5135dde48f52d10f76056489d3dbf..0cac7e8a2975dee05269edaab123954ea4606716 100644
--- a/bash-5.1/vendor/nix/src/sys/time.rs
+++ b/bash-5.1/vendor/nix/src/sys/time.rs
@@ -1,9 +1,10 @@
-use std::{cmp, fmt, ops};
-use std::time::Duration;
-use std::convert::From;
+#[cfg_attr(target_env = "musl", allow(deprecated))]
+// https://github.com/rust-lang/libc/issues/1848
+pub use libc::{suseconds_t, time_t};
 use libc::{timespec, timeval};
-#[cfg_attr(target_env = "musl", allow(deprecated))] // https://github.com/rust-lang/libc/issues/1848
-pub use libc::{time_t, suseconds_t};
+use std::convert::From;
+use std::time::Duration;
+use std::{cmp, fmt, ops};
 
 #[cfg(any(
     all(feature = "time", any(target_os = "android", target_os = "linux")),
@@ -62,10 +63,12 @@ pub(crate) mod timer {
                     },
                     it_value: *t.as_ref(),
                 }),
-                Expiration::IntervalDelayed(start, interval) => TimerSpec(libc::itimerspec {
-                    it_interval: *interval.as_ref(),
-                    it_value: *start.as_ref(),
-                }),
+                Expiration::IntervalDelayed(start, interval) => {
+                    TimerSpec(libc::itimerspec {
+                        it_interval: *interval.as_ref(),
+                        it_value: *start.as_ref(),
+                    })
+                }
                 Expiration::Interval(t) => TimerSpec(libc::itimerspec {
                     it_interval: *t.as_ref(),
                     it_value: *t.as_ref(),
@@ -76,7 +79,7 @@ pub(crate) mod timer {
 
     /// An enumeration allowing the definition of the expiration time of an alarm,
     /// recurring or not.
-    #[derive(Debug, Clone, Copy, PartialEq)]
+    #[derive(Debug, Clone, Copy, Eq, PartialEq)]
     pub enum Expiration {
         /// Alarm will trigger once after the time given in `TimeSpec`
         OneShot(TimeSpec),
@@ -94,7 +97,12 @@ pub(crate) mod timer {
             const TFD_TIMER_ABSTIME = libc::TFD_TIMER_ABSTIME;
         }
     }
-    #[cfg(any(target_os = "freebsd", target_os = "netbsd", target_os = "dragonfly", target_os = "illumos"))]
+    #[cfg(any(
+        target_os = "freebsd",
+        target_os = "netbsd",
+        target_os = "dragonfly",
+        target_os = "illumos"
+    ))]
     bitflags! {
         /// Flags that are used for arming the timer.
         pub struct TimerSetTimeFlags: libc::c_int {
@@ -117,10 +125,15 @@ pub(crate) mod timer {
                     it_interval: int_ts,
                     it_value: val_ts,
                 }) => {
-                    if (int_ts.tv_sec == val_ts.tv_sec) && (int_ts.tv_nsec == val_ts.tv_nsec) {
+                    if (int_ts.tv_sec == val_ts.tv_sec)
+                        && (int_ts.tv_nsec == val_ts.tv_nsec)
+                    {
                         Expiration::Interval(int_ts.into())
                     } else {
-                        Expiration::IntervalDelayed(val_ts.into(), int_ts.into())
+                        Expiration::IntervalDelayed(
+                            val_ts.into(),
+                            int_ts.into(),
+                        )
                     }
                 }
             }
@@ -136,14 +149,16 @@ pub trait TimeValLike: Sized {
 
     #[inline]
     fn hours(hours: i64) -> Self {
-        let secs = hours.checked_mul(SECS_PER_HOUR)
+        let secs = hours
+            .checked_mul(SECS_PER_HOUR)
             .expect("TimeValLike::hours ouf of bounds");
         Self::seconds(secs)
     }
 
     #[inline]
     fn minutes(minutes: i64) -> Self {
-        let secs = minutes.checked_mul(SECS_PER_MINUTE)
+        let secs = minutes
+            .checked_mul(SECS_PER_MINUTE)
             .expect("TimeValLike::minutes out of bounds");
         Self::seconds(secs)
     }
@@ -178,10 +193,10 @@ const SECS_PER_MINUTE: i64 = 60;
 const SECS_PER_HOUR: i64 = 3600;
 
 #[cfg(target_pointer_width = "64")]
-const TS_MAX_SECONDS: i64 = (::std::i64::MAX / NANOS_PER_SEC) - 1;
+const TS_MAX_SECONDS: i64 = (i64::MAX / NANOS_PER_SEC) - 1;
 
 #[cfg(target_pointer_width = "32")]
-const TS_MAX_SECONDS: i64 = ::std::isize::MAX as i64;
+const TS_MAX_SECONDS: i64 = isize::MAX as i64;
 
 const TS_MIN_SECONDS: i64 = -TS_MAX_SECONDS;
 
@@ -243,15 +258,23 @@ impl PartialOrd for TimeSpec {
 impl TimeValLike for TimeSpec {
     #[inline]
     fn seconds(seconds: i64) -> TimeSpec {
-        assert!(seconds >= TS_MIN_SECONDS && seconds <= TS_MAX_SECONDS,
-                "TimeSpec out of bounds; seconds={}", seconds);
-        #[cfg_attr(target_env = "musl", allow(deprecated))] // https://github.com/rust-lang/libc/issues/1848
-        TimeSpec(timespec {tv_sec: seconds as time_t, tv_nsec: 0 })
+        assert!(
+            (TS_MIN_SECONDS..=TS_MAX_SECONDS).contains(&seconds),
+            "TimeSpec out of bounds; seconds={}",
+            seconds
+        );
+        #[cfg_attr(target_env = "musl", allow(deprecated))]
+        // https://github.com/rust-lang/libc/issues/1848
+        TimeSpec(timespec {
+            tv_sec: seconds as time_t,
+            tv_nsec: 0,
+        })
     }
 
     #[inline]
     fn milliseconds(milliseconds: i64) -> TimeSpec {
-        let nanoseconds = milliseconds.checked_mul(1_000_000)
+        let nanoseconds = milliseconds
+            .checked_mul(1_000_000)
             .expect("TimeSpec::milliseconds out of bounds");
 
         TimeSpec::nanoseconds(nanoseconds)
@@ -260,7 +283,8 @@ impl TimeValLike for TimeSpec {
     /// Makes a new `TimeSpec` with given number of microseconds.
     #[inline]
     fn microseconds(microseconds: i64) -> TimeSpec {
-        let nanoseconds = microseconds.checked_mul(1_000)
+        let nanoseconds = microseconds
+            .checked_mul(1_000)
             .expect("TimeSpec::milliseconds out of bounds");
 
         TimeSpec::nanoseconds(nanoseconds)
@@ -270,11 +294,16 @@ impl TimeValLike for TimeSpec {
     #[inline]
     fn nanoseconds(nanoseconds: i64) -> TimeSpec {
         let (secs, nanos) = div_mod_floor_64(nanoseconds, NANOS_PER_SEC);
-        assert!(secs >= TS_MIN_SECONDS && secs <= TS_MAX_SECONDS,
-                "TimeSpec out of bounds");
-        #[cfg_attr(target_env = "musl", allow(deprecated))] // https://github.com/rust-lang/libc/issues/1848
-        TimeSpec(timespec {tv_sec: secs as time_t,
-                           tv_nsec: nanos as timespec_tv_nsec_t })
+        assert!(
+            (TS_MIN_SECONDS..=TS_MAX_SECONDS).contains(&secs),
+            "TimeSpec out of bounds"
+        );
+        #[cfg_attr(target_env = "musl", allow(deprecated))]
+        // https://github.com/rust-lang/libc/issues/1848
+        TimeSpec(timespec {
+            tv_sec: secs as time_t,
+            tv_nsec: nanos as timespec_tv_nsec_t,
+        })
     }
 
     fn num_seconds(&self) -> i64 {
@@ -301,6 +330,15 @@ impl TimeValLike for TimeSpec {
 }
 
 impl TimeSpec {
+    /// Construct a new `TimeSpec` from its components
+    #[cfg_attr(target_env = "musl", allow(deprecated))] // https://github.com/rust-lang/libc/issues/1848
+    pub const fn new(seconds: time_t, nanoseconds: timespec_tv_nsec_t) -> Self {
+        Self(timespec {
+            tv_sec: seconds,
+            tv_nsec: nanoseconds,
+        })
+    }
+
     fn nanos_mod_sec(&self) -> timespec_tv_nsec_t {
         if self.tv_sec() < 0 && self.tv_nsec() > 0 {
             self.tv_nsec() - NANOS_PER_SEC as timespec_tv_nsec_t
@@ -319,10 +357,11 @@ impl TimeSpec {
     }
 
     pub const fn from_duration(duration: Duration) -> Self {
-        #[cfg_attr(target_env = "musl", allow(deprecated))] // https://github.com/rust-lang/libc/issues/1848
+        #[cfg_attr(target_env = "musl", allow(deprecated))]
+        // https://github.com/rust-lang/libc/issues/1848
         TimeSpec(timespec {
             tv_sec: duration.as_secs() as time_t,
-            tv_nsec: duration.subsec_nanos() as timespec_tv_nsec_t
+            tv_nsec: duration.subsec_nanos() as timespec_tv_nsec_t,
         })
     }
 
@@ -343,8 +382,7 @@ impl ops::Add for TimeSpec {
     type Output = TimeSpec;
 
     fn add(self, rhs: TimeSpec) -> TimeSpec {
-        TimeSpec::nanoseconds(
-            self.num_nanoseconds() + rhs.num_nanoseconds())
+        TimeSpec::nanoseconds(self.num_nanoseconds() + rhs.num_nanoseconds())
     }
 }
 
@@ -352,8 +390,7 @@ impl ops::Sub for TimeSpec {
     type Output = TimeSpec;
 
     fn sub(self, rhs: TimeSpec) -> TimeSpec {
-        TimeSpec::nanoseconds(
-            self.num_nanoseconds() - rhs.num_nanoseconds())
+        TimeSpec::nanoseconds(self.num_nanoseconds() - rhs.num_nanoseconds())
     }
 }
 
@@ -361,7 +398,9 @@ impl ops::Mul<i32> for TimeSpec {
     type Output = TimeSpec;
 
     fn mul(self, rhs: i32) -> TimeSpec {
-        let usec = self.num_nanoseconds().checked_mul(i64::from(rhs))
+        let usec = self
+            .num_nanoseconds()
+            .checked_mul(i64::from(rhs))
             .expect("TimeSpec multiply out of bounds");
 
         TimeSpec::nanoseconds(usec)
@@ -407,8 +446,6 @@ impl fmt::Display for TimeSpec {
     }
 }
 
-
-
 #[repr(transparent)]
 #[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
 pub struct TimeVal(timeval);
@@ -416,10 +453,10 @@ pub struct TimeVal(timeval);
 const MICROS_PER_SEC: i64 = 1_000_000;
 
 #[cfg(target_pointer_width = "64")]
-const TV_MAX_SECONDS: i64 = (::std::i64::MAX / MICROS_PER_SEC) - 1;
+const TV_MAX_SECONDS: i64 = (i64::MAX / MICROS_PER_SEC) - 1;
 
 #[cfg(target_pointer_width = "32")]
-const TV_MAX_SECONDS: i64 = ::std::isize::MAX as i64;
+const TV_MAX_SECONDS: i64 = isize::MAX as i64;
 
 const TV_MIN_SECONDS: i64 = -TV_MAX_SECONDS;
 
@@ -456,15 +493,23 @@ impl PartialOrd for TimeVal {
 impl TimeValLike for TimeVal {
     #[inline]
     fn seconds(seconds: i64) -> TimeVal {
-        assert!(seconds >= TV_MIN_SECONDS && seconds <= TV_MAX_SECONDS,
-                "TimeVal out of bounds; seconds={}", seconds);
-        #[cfg_attr(target_env = "musl", allow(deprecated))] // https://github.com/rust-lang/libc/issues/1848
-        TimeVal(timeval {tv_sec: seconds as time_t, tv_usec: 0 })
+        assert!(
+            (TV_MIN_SECONDS..=TV_MAX_SECONDS).contains(&seconds),
+            "TimeVal out of bounds; seconds={}",
+            seconds
+        );
+        #[cfg_attr(target_env = "musl", allow(deprecated))]
+        // https://github.com/rust-lang/libc/issues/1848
+        TimeVal(timeval {
+            tv_sec: seconds as time_t,
+            tv_usec: 0,
+        })
     }
 
     #[inline]
     fn milliseconds(milliseconds: i64) -> TimeVal {
-        let microseconds = milliseconds.checked_mul(1_000)
+        let microseconds = milliseconds
+            .checked_mul(1_000)
             .expect("TimeVal::milliseconds out of bounds");
 
         TimeVal::microseconds(microseconds)
@@ -474,11 +519,16 @@ impl TimeValLike for TimeVal {
     #[inline]
     fn microseconds(microseconds: i64) -> TimeVal {
         let (secs, micros) = div_mod_floor_64(microseconds, MICROS_PER_SEC);
-        assert!(secs >= TV_MIN_SECONDS && secs <= TV_MAX_SECONDS,
-                "TimeVal out of bounds");
-        #[cfg_attr(target_env = "musl", allow(deprecated))] // https://github.com/rust-lang/libc/issues/1848
-        TimeVal(timeval {tv_sec: secs as time_t,
-                           tv_usec: micros as suseconds_t })
+        assert!(
+            (TV_MIN_SECONDS..=TV_MAX_SECONDS).contains(&secs),
+            "TimeVal out of bounds"
+        );
+        #[cfg_attr(target_env = "musl", allow(deprecated))]
+        // https://github.com/rust-lang/libc/issues/1848
+        TimeVal(timeval {
+            tv_sec: secs as time_t,
+            tv_usec: micros as suseconds_t,
+        })
     }
 
     /// Makes a new `TimeVal` with given number of nanoseconds.  Some precision
@@ -487,11 +537,16 @@ impl TimeValLike for TimeVal {
     fn nanoseconds(nanoseconds: i64) -> TimeVal {
         let microseconds = nanoseconds / 1000;
         let (secs, micros) = div_mod_floor_64(microseconds, MICROS_PER_SEC);
-        assert!(secs >= TV_MIN_SECONDS && secs <= TV_MAX_SECONDS,
-                "TimeVal out of bounds");
-        #[cfg_attr(target_env = "musl", allow(deprecated))] // https://github.com/rust-lang/libc/issues/1848
-        TimeVal(timeval {tv_sec: secs as time_t,
-                           tv_usec: micros as suseconds_t })
+        assert!(
+            (TV_MIN_SECONDS..=TV_MAX_SECONDS).contains(&secs),
+            "TimeVal out of bounds"
+        );
+        #[cfg_attr(target_env = "musl", allow(deprecated))]
+        // https://github.com/rust-lang/libc/issues/1848
+        TimeVal(timeval {
+            tv_sec: secs as time_t,
+            tv_usec: micros as suseconds_t,
+        })
     }
 
     fn num_seconds(&self) -> i64 {
@@ -518,6 +573,15 @@ impl TimeValLike for TimeVal {
 }
 
 impl TimeVal {
+    /// Construct a new `TimeVal` from its components
+    #[cfg_attr(target_env = "musl", allow(deprecated))] // https://github.com/rust-lang/libc/issues/1848
+    pub const fn new(seconds: time_t, microseconds: suseconds_t) -> Self {
+        Self(timeval {
+            tv_sec: seconds,
+            tv_usec: microseconds,
+        })
+    }
+
     fn micros_mod_sec(&self) -> suseconds_t {
         if self.tv_sec() < 0 && self.tv_usec() > 0 {
             self.tv_usec() - MICROS_PER_SEC as suseconds_t
@@ -548,8 +612,7 @@ impl ops::Add for TimeVal {
     type Output = TimeVal;
 
     fn add(self, rhs: TimeVal) -> TimeVal {
-        TimeVal::microseconds(
-            self.num_microseconds() + rhs.num_microseconds())
+        TimeVal::microseconds(self.num_microseconds() + rhs.num_microseconds())
     }
 }
 
@@ -557,8 +620,7 @@ impl ops::Sub for TimeVal {
     type Output = TimeVal;
 
     fn sub(self, rhs: TimeVal) -> TimeVal {
-        TimeVal::microseconds(
-            self.num_microseconds() - rhs.num_microseconds())
+        TimeVal::microseconds(self.num_microseconds() - rhs.num_microseconds())
     }
 }
 
@@ -566,7 +628,9 @@ impl ops::Mul<i32> for TimeVal {
     type Output = TimeVal;
 
     fn mul(self, rhs: i32) -> TimeVal {
-        let usec = self.num_microseconds().checked_mul(i64::from(rhs))
+        let usec = self
+            .num_microseconds()
+            .checked_mul(i64::from(rhs))
             .expect("TimeVal multiply out of bounds");
 
         TimeVal::microseconds(usec)
@@ -624,18 +688,16 @@ fn div_mod_floor_64(this: i64, other: i64) -> (i64, i64) {
 #[inline]
 fn div_floor_64(this: i64, other: i64) -> i64 {
     match div_rem_64(this, other) {
-        (d, r) if (r > 0 && other < 0)
-               || (r < 0 && other > 0) => d - 1,
-        (d, _)                         => d,
+        (d, r) if (r > 0 && other < 0) || (r < 0 && other > 0) => d - 1,
+        (d, _) => d,
     }
 }
 
 #[inline]
 fn mod_floor_64(this: i64, other: i64) -> i64 {
     match this % other {
-        r if (r > 0 && other < 0)
-          || (r < 0 && other > 0) => r + other,
-        r                         => r,
+        r if (r > 0 && other < 0) || (r < 0 && other > 0) => r + other,
+        r => r,
     }
 }
 
@@ -651,11 +713,15 @@ mod test {
 
     #[test]
     pub fn test_timespec() {
-        assert!(TimeSpec::seconds(1) != TimeSpec::zero());
-        assert_eq!(TimeSpec::seconds(1) + TimeSpec::seconds(2),
-                   TimeSpec::seconds(3));
-        assert_eq!(TimeSpec::minutes(3) + TimeSpec::seconds(2),
-                   TimeSpec::seconds(182));
+        assert_ne!(TimeSpec::seconds(1), TimeSpec::zero());
+        assert_eq!(
+            TimeSpec::seconds(1) + TimeSpec::seconds(2),
+            TimeSpec::seconds(3)
+        );
+        assert_eq!(
+            TimeSpec::minutes(3) + TimeSpec::seconds(2),
+            TimeSpec::seconds(182)
+        );
     }
 
     #[test]
@@ -677,7 +743,7 @@ mod test {
 
     #[test]
     pub fn test_timespec_ord() {
-        assert!(TimeSpec::seconds(1) == TimeSpec::nanoseconds(1_000_000_000));
+        assert_eq!(TimeSpec::seconds(1), TimeSpec::nanoseconds(1_000_000_000));
         assert!(TimeSpec::seconds(1) < TimeSpec::nanoseconds(1_000_000_001));
         assert!(TimeSpec::seconds(1) > TimeSpec::nanoseconds(999_999_999));
         assert!(TimeSpec::seconds(-1) < TimeSpec::nanoseconds(-999_999_999));
@@ -690,22 +756,29 @@ mod test {
         assert_eq!(TimeSpec::seconds(42).to_string(), "42 seconds");
         assert_eq!(TimeSpec::milliseconds(42).to_string(), "0.042 seconds");
         assert_eq!(TimeSpec::microseconds(42).to_string(), "0.000042 seconds");
-        assert_eq!(TimeSpec::nanoseconds(42).to_string(), "0.000000042 seconds");
+        assert_eq!(
+            TimeSpec::nanoseconds(42).to_string(),
+            "0.000000042 seconds"
+        );
         assert_eq!(TimeSpec::seconds(-86401).to_string(), "-86401 seconds");
     }
 
     #[test]
     pub fn test_timeval() {
-        assert!(TimeVal::seconds(1) != TimeVal::zero());
-        assert_eq!(TimeVal::seconds(1) + TimeVal::seconds(2),
-                   TimeVal::seconds(3));
-        assert_eq!(TimeVal::minutes(3) + TimeVal::seconds(2),
-                   TimeVal::seconds(182));
+        assert_ne!(TimeVal::seconds(1), TimeVal::zero());
+        assert_eq!(
+            TimeVal::seconds(1) + TimeVal::seconds(2),
+            TimeVal::seconds(3)
+        );
+        assert_eq!(
+            TimeVal::minutes(3) + TimeVal::seconds(2),
+            TimeVal::seconds(182)
+        );
     }
 
     #[test]
     pub fn test_timeval_ord() {
-        assert!(TimeVal::seconds(1) == TimeVal::microseconds(1_000_000));
+        assert_eq!(TimeVal::seconds(1), TimeVal::microseconds(1_000_000));
         assert!(TimeVal::seconds(1) < TimeVal::microseconds(1_000_001));
         assert!(TimeVal::seconds(1) > TimeVal::microseconds(999_999));
         assert!(TimeVal::seconds(-1) < TimeVal::microseconds(-999_999));
diff --git a/bash-5.1/vendor/nix/src/sys/timer.rs b/bash-5.1/vendor/nix/src/sys/timer.rs
index 349346bb10797572ba161b4464d120f6d85aed3e..45ce0e5bf6b34998f2dfb99678744059572beb3f 100644
--- a/bash-5.1/vendor/nix/src/sys/timer.rs
+++ b/bash-5.1/vendor/nix/src/sys/timer.rs
@@ -70,6 +70,7 @@ pub struct Timer(libc::timer_t);
 impl Timer {
     /// Creates a new timer based on the clock defined by `clockid`. The details
     /// of the signal and its handler are defined by the passed `sigevent`.
+    #[cfg_attr(has_doc_alias, doc(alias("timer_create")))]
     pub fn new(clockid: ClockId, mut sigevent: SigEvent) -> Result<Self> {
         let mut timer_id: mem::MaybeUninit<libc::timer_t> = mem::MaybeUninit::uninit();
         Errno::result(unsafe {
@@ -122,6 +123,7 @@ impl Timer {
     ///
     /// Note: Setting a one shot alarm with a 0s TimeSpec disable the alarm
     /// altogether.
+    #[cfg_attr(has_doc_alias, doc(alias("timer_settime")))]
     pub fn set(&mut self, expiration: Expiration, flags: TimerSetTimeFlags) -> Result<()> {
         let timerspec: TimerSpec = expiration.into();
         Errno::result(unsafe {
@@ -136,6 +138,7 @@ impl Timer {
     }
 
     /// Get the parameters for the alarm currently set, if any.
+    #[cfg_attr(has_doc_alias, doc(alias("timer_gettime")))]
     pub fn get(&self) -> Result<Option<Expiration>> {
         let mut timerspec = TimerSpec::none();
         Errno::result(unsafe { libc::timer_gettime(self.0, timerspec.as_mut()) }).map(|_| {
@@ -158,6 +161,7 @@ impl Timer {
     /// 'overrun'. This function returns how many times that has happened to
     /// this timer, up to `libc::DELAYTIMER_MAX`. If more than the maximum
     /// number of overruns have happened the return is capped to the maximum.
+    #[cfg_attr(has_doc_alias, doc(alias("timer_getoverrun")))]
     pub fn overruns(&self) -> i32 {
         unsafe { libc::timer_getoverrun(self.0) }
     }
diff --git a/bash-5.1/vendor/nix/src/sys/timerfd.rs b/bash-5.1/vendor/nix/src/sys/timerfd.rs
index 18acbae30b1593808b2bca09a69b60ccaf270e98..42860658aa5fbf6dd50bea3780a8593223fb72d7 100644
--- a/bash-5.1/vendor/nix/src/sys/timerfd.rs
+++ b/bash-5.1/vendor/nix/src/sys/timerfd.rs
@@ -92,6 +92,7 @@ impl TimerFd {
     /// Creates a new timer based on the clock defined by `clockid`. The
     /// underlying fd can be assigned specific flags with `flags` (CLOEXEC,
     /// NONBLOCK). The underlying fd will be closed on drop.
+    #[cfg_attr(has_doc_alias, doc(alias("timerfd_create")))]
     pub fn new(clockid: ClockId, flags: TimerFlags) -> Result<Self> {
         Errno::result(unsafe { libc::timerfd_create(clockid as i32, flags.bits()) })
             .map(|fd| Self { fd })
@@ -133,6 +134,7 @@ impl TimerFd {
     ///
     /// Note: Setting a one shot alarm with a 0s TimeSpec disables the alarm
     /// altogether.
+    #[cfg_attr(has_doc_alias, doc(alias("timerfd_settime")))]
     pub fn set(&self, expiration: Expiration, flags: TimerSetTimeFlags) -> Result<()> {
         let timerspec: TimerSpec = expiration.into();
         Errno::result(unsafe {
@@ -147,6 +149,7 @@ impl TimerFd {
     }
 
     /// Get the parameters for the alarm currently set, if any.
+    #[cfg_attr(has_doc_alias, doc(alias("timerfd_gettime")))]
     pub fn get(&self) -> Result<Option<Expiration>> {
         let mut timerspec = TimerSpec::none();
         Errno::result(unsafe { libc::timerfd_gettime(self.fd, timerspec.as_mut()) }).map(|_| {
@@ -163,6 +166,7 @@ impl TimerFd {
     }
 
     /// Remove the alarm if any is set.
+    #[cfg_attr(has_doc_alias, doc(alias("timerfd_settime")))]
     pub fn unset(&self) -> Result<()> {
         Errno::result(unsafe {
             libc::timerfd_settime(
diff --git a/bash-5.1/vendor/nix/src/sys/uio.rs b/bash-5.1/vendor/nix/src/sys/uio.rs
index ba6c64ef260ab75b08835b2eb6b9c8a29c7d36ee..1908973b496e53c7d95322ee1e21bbf5effca269 100644
--- a/bash-5.1/vendor/nix/src/sys/uio.rs
+++ b/bash-5.1/vendor/nix/src/sys/uio.rs
@@ -39,7 +39,7 @@ pub fn readv(fd: RawFd, iov: &mut [IoSliceMut<'_>]) -> Result<usize> {
 /// or an error occurs. The file offset is not changed.
 ///
 /// See also: [`writev`](fn.writev.html) and [`pwrite`](fn.pwrite.html)
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
 #[cfg_attr(docsrs, doc(cfg(all())))]
 pub fn pwritev(fd: RawFd, iov: &[IoSlice<'_>],
                offset: off_t) -> Result<usize> {
@@ -62,7 +62,7 @@ pub fn pwritev(fd: RawFd, iov: &[IoSlice<'_>],
 /// changed.
 ///
 /// See also: [`readv`](fn.readv.html) and [`pread`](fn.pread.html)
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
 #[cfg_attr(docsrs, doc(cfg(all())))]
 pub fn preadv(fd: RawFd, iov: &mut [IoSliceMut<'_>],
               offset: off_t) -> Result<usize> {
@@ -132,6 +132,10 @@ pub struct RemoteIoVec {
     note = "`IoVec` is no longer used in the public interface, use `IoSlice` or `IoSliceMut` instead"
 )]
 #[repr(transparent)]
+#[allow(renamed_and_removed_lints)]
+#[allow(clippy::unknown_clippy_lints)]
+// Clippy false positive: https://github.com/rust-lang/rust-clippy/issues/8867
+#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
 pub struct IoVec<T>(pub(crate) libc::iovec, PhantomData<T>);
 
diff --git a/bash-5.1/vendor/nix/src/unistd.rs b/bash-5.1/vendor/nix/src/unistd.rs
index 764b3dee436a24ac56fdee89800fa96ee13fce31..42e1456aabe7336f06c6974e204b3ba18b69251c 100644
--- a/bash-5.1/vendor/nix/src/unistd.rs
+++ b/bash-5.1/vendor/nix/src/unistd.rs
@@ -1,28 +1,42 @@
 //! Safe wrappers around functions found in libc "unistd.h" header
 
-#[cfg(not(target_os = "redox"))]
-use cfg_if::cfg_if;
 use crate::errno::{self, Errno};
-use crate::{Error, Result, NixPath};
 #[cfg(not(target_os = "redox"))]
 #[cfg(feature = "fs")]
-use crate::fcntl::{AtFlags, at_rawfd};
-use libc::{self, c_char, c_void, c_int, c_long, c_uint, size_t, pid_t, off_t,
-           uid_t, gid_t, mode_t, PATH_MAX};
+use crate::fcntl::{at_rawfd, AtFlags};
 #[cfg(feature = "fs")]
-use crate::fcntl::{FdFlag, OFlag, fcntl, FcntlArg::F_SETFD};
-use std::{fmt, mem, ptr};
+use crate::fcntl::{fcntl, FcntlArg::F_SETFD, FdFlag, OFlag};
+#[cfg(all(
+    feature = "fs",
+    any(
+        target_os = "openbsd",
+        target_os = "netbsd",
+        target_os = "freebsd",
+        target_os = "dragonfly",
+        target_os = "macos",
+        target_os = "ios"
+    )
+))]
+use crate::sys::stat::FileFlag;
+#[cfg(feature = "fs")]
+use crate::sys::stat::Mode;
+use crate::{Error, NixPath, Result};
+#[cfg(not(target_os = "redox"))]
+use cfg_if::cfg_if;
+use libc::{
+    self, c_char, c_int, c_long, c_uint, c_void, gid_t, mode_t, off_t, pid_t,
+    size_t, uid_t, PATH_MAX,
+};
 use std::convert::Infallible;
 use std::ffi::{CStr, OsString};
 #[cfg(not(target_os = "redox"))]
 use std::ffi::{CString, OsStr};
-use std::os::unix::ffi::OsStringExt;
 #[cfg(not(target_os = "redox"))]
 use std::os::unix::ffi::OsStrExt;
+use std::os::unix::ffi::OsStringExt;
 use std::os::unix::io::RawFd;
 use std::path::PathBuf;
-#[cfg(feature = "fs")]
-use crate::sys::stat::Mode;
+use std::{fmt, mem, ptr};
 
 feature! {
     #![feature = "fs"]
@@ -30,18 +44,22 @@ feature! {
     pub use self::pivot_root::*;
 }
 
-#[cfg(any(target_os = "android",
-          target_os = "dragonfly",
-          target_os = "freebsd",
-          target_os = "linux",
-          target_os = "openbsd"))]
+#[cfg(any(
+    target_os = "android",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "linux",
+    target_os = "openbsd"
+))]
 pub use self::setres::*;
 
-#[cfg(any(target_os = "android",
-          target_os = "dragonfly",
-          target_os = "freebsd",
-          target_os = "linux",
-          target_os = "openbsd"))]
+#[cfg(any(
+    target_os = "android",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "linux",
+    target_os = "openbsd"
+))]
 pub use self::getres::*;
 
 feature! {
@@ -61,11 +79,13 @@ impl Uid {
     }
 
     /// Returns Uid of calling process. This is practically a more Rusty alias for `getuid`.
+    #[cfg_attr(has_doc_alias, doc(alias("getuid")))]
     pub fn current() -> Self {
         getuid()
     }
 
     /// Returns effective Uid of calling process. This is practically a more Rusty alias for `geteuid`.
+    #[cfg_attr(has_doc_alias, doc(alias("geteuid")))]
     pub fn effective() -> Self {
         geteuid()
     }
@@ -87,6 +107,12 @@ impl From<Uid> for uid_t {
     }
 }
 
+impl From<uid_t> for Uid {
+    fn from(uid: uid_t) -> Self {
+        Uid(uid)
+    }
+}
+
 impl fmt::Display for Uid {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         fmt::Display::fmt(&self.0, f)
@@ -110,11 +136,13 @@ impl Gid {
     }
 
     /// Returns Gid of calling process. This is practically a more Rusty alias for `getgid`.
+    #[cfg_attr(has_doc_alias, doc(alias("getgid")))]
     pub fn current() -> Self {
         getgid()
     }
 
     /// Returns effective Gid of calling process. This is practically a more Rusty alias for `getegid`.
+    #[cfg_attr(has_doc_alias, doc(alias("getegid")))]
     pub fn effective() -> Self {
         getegid()
     }
@@ -131,6 +159,12 @@ impl From<Gid> for gid_t {
     }
 }
 
+impl From<gid_t> for Gid {
+    fn from(gid: gid_t) -> Self {
+        Gid(gid)
+    }
+}
+
 impl fmt::Display for Gid {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         fmt::Display::fmt(&self.0, f)
@@ -154,11 +188,13 @@ impl Pid {
     }
 
     /// Returns PID of calling process
+    #[cfg_attr(has_doc_alias, doc(alias("getpid")))]
     pub fn this() -> Self {
         getpid()
     }
 
     /// Returns PID of parent of calling process
+    #[cfg_attr(has_doc_alias, doc(alias("getppid")))]
     pub fn parent() -> Self {
         getppid()
     }
@@ -549,7 +585,7 @@ pub fn mkfifo<P: ?Sized + NixPath>(path: &P, mode: Mode) -> Result<()> {
 // mkfifoat is not implemented in OSX or android
 #[inline]
 #[cfg(not(any(
-    target_os = "macos", target_os = "ios",
+    target_os = "macos", target_os = "ios", target_os = "haiku",
     target_os = "android", target_os = "redox")))]
 pub fn mkfifoat<P: ?Sized + NixPath>(dirfd: Option<RawFd>, path: &P, mode: Mode) -> Result<()> {
     let res = path.with_nix_path(|cstr| unsafe {
@@ -596,7 +632,7 @@ fn reserve_double_buffer_size<T>(buf: &mut Vec<T>, limit: usize) -> Result<()> {
     use std::cmp::min;
 
     if buf.capacity() >= limit {
-        return Err(Errno::ERANGE)
+        return Err(Errno::ERANGE);
     }
 
     let capacity = min(buf.capacity() * 2, limit);
@@ -722,8 +758,8 @@ pub enum FchownatFlags {
 /// If `flag` is `FchownatFlags::NoFollowSymlink` and `path` names a symbolic link,
 /// then the mode of the symbolic link is changed.
 ///
-/// `fchownat(None, path, mode, FchownatFlags::NoFollowSymlink)` is identical to
-/// a call `libc::lchown(path, mode)`.  That's why `lchmod` is unimplemented in
+/// `fchownat(None, path, owner, group, FchownatFlags::NoFollowSymlink)` is identical to
+/// a call `libc::lchown(path, owner, group)`.  That's why `lchown` is unimplemented in
 /// the `nix` crate.
 ///
 /// # References
@@ -967,34 +1003,34 @@ pub fn sethostname<S: AsRef<OsStr>>(name: S) -> Result<()> {
     Errno::result(res).map(drop)
 }
 
-/// Get the host name and store it in the provided buffer, returning a pointer
-/// the `CStr` in that buffer on success (see
+/// Get the host name and store it in an internally allocated buffer, returning an
+/// `OsString` on success (see
 /// [gethostname(2)](https://pubs.opengroup.org/onlinepubs/9699919799/functions/gethostname.html)).
 ///
 /// This function call attempts to get the host name for the running system and
-/// store it in a provided buffer.  The buffer will be populated with bytes up
-/// to the length of the provided slice including a NUL terminating byte.  If
-/// the hostname is longer than the length provided, no error will be provided.
-/// The posix specification does not specify whether implementations will
-/// null-terminate in this case, but the nix implementation will ensure that the
-/// buffer is null terminated in this case.
+/// store it in an internal buffer, returning it as an `OsString` if successful.
 ///
 /// ```no_run
 /// use nix::unistd;
 ///
-/// let mut buf = [0u8; 64];
-/// let hostname_cstr = unistd::gethostname(&mut buf).expect("Failed getting hostname");
-/// let hostname = hostname_cstr.to_str().expect("Hostname wasn't valid UTF-8");
+/// let hostname = unistd::gethostname().expect("Failed getting hostname");
+/// let hostname = hostname.into_string().expect("Hostname wasn't valid UTF-8");
 /// println!("Hostname: {}", hostname);
 /// ```
-pub fn gethostname(buffer: &mut [u8]) -> Result<&CStr> {
+pub fn gethostname() -> Result<OsString> {
+    // The capacity is the max length of a hostname plus the NUL terminator.
+    let mut buffer: Vec<u8> = Vec::with_capacity(256);
     let ptr = buffer.as_mut_ptr() as *mut c_char;
-    let len = buffer.len() as size_t;
+    let len = buffer.capacity() as size_t;
 
     let res = unsafe { libc::gethostname(ptr, len) };
     Errno::result(res).map(|_| {
-        buffer[len - 1] = 0; // ensure always null-terminated
-        unsafe { CStr::from_ptr(buffer.as_ptr() as *const c_char) }
+        unsafe {
+            buffer.as_mut_ptr().wrapping_add(len - 1).write(0); // ensure always null-terminated
+            let len = CStr::from_ptr(buffer.as_ptr() as *const c_char).len();
+            buffer.set_len(len);
+        }
+        OsString::from_vec(buffer)
     })
 }
 }
@@ -1033,7 +1069,9 @@ pub fn close(fd: RawFd) -> Result<()> {
 ///
 /// See also [read(2)](https://pubs.opengroup.org/onlinepubs/9699919799/functions/read.html)
 pub fn read(fd: RawFd, buf: &mut [u8]) -> Result<usize> {
-    let res = unsafe { libc::read(fd, buf.as_mut_ptr() as *mut c_void, buf.len() as size_t) };
+    let res = unsafe {
+        libc::read(fd, buf.as_mut_ptr() as *mut c_void, buf.len() as size_t)
+    };
 
     Errno::result(res).map(|r| r as usize)
 }
@@ -1042,7 +1080,9 @@ pub fn read(fd: RawFd, buf: &mut [u8]) -> Result<usize> {
 ///
 /// See also [write(2)](https://pubs.opengroup.org/onlinepubs/9699919799/functions/write.html)
 pub fn write(fd: RawFd, buf: &[u8]) -> Result<usize> {
-    let res = unsafe { libc::write(fd, buf.as_ptr() as *const c_void, buf.len() as size_t) };
+    let res = unsafe {
+        libc::write(fd, buf.as_ptr() as *const c_void, buf.len() as size_t)
+    };
 
     Errno::result(res).map(|r| r as usize)
 }
@@ -1106,15 +1146,13 @@ pub fn lseek64(fd: RawFd, offset: libc::off64_t, whence: Whence) -> Result<libc:
 ///
 /// See also [pipe(2)](https://pubs.opengroup.org/onlinepubs/9699919799/functions/pipe.html)
 pub fn pipe() -> std::result::Result<(RawFd, RawFd), Error> {
-    unsafe {
-        let mut fds = mem::MaybeUninit::<[c_int; 2]>::uninit();
+    let mut fds = mem::MaybeUninit::<[c_int; 2]>::uninit();
 
-        let res = libc::pipe(fds.as_mut_ptr() as *mut c_int);
+    let res = unsafe { libc::pipe(fds.as_mut_ptr() as *mut c_int) };
 
-        Error::result(res)?;
+    Error::result(res)?;
 
-        Ok((fds.assume_init()[0], fds.assume_init()[1]))
-    }
+    unsafe { Ok((fds.assume_init()[0], fds.assume_init()[1])) }
 }
 
 feature! {
@@ -1534,7 +1572,7 @@ pub fn getgroups() -> Result<Vec<Gid>> {
 /// # use std::error::Error;
 /// # use nix::unistd::*;
 /// #
-/// # fn try_main() -> Result<(), Box<Error>> {
+/// # fn try_main() -> Result<(), Box<dyn Error>> {
 /// let uid = Uid::from_raw(33);
 /// let gid = Gid::from_raw(34);
 /// setgroups(&[gid])?;
@@ -1546,7 +1584,7 @@ pub fn getgroups() -> Result<Vec<Gid>> {
 /// #
 /// # try_main().unwrap();
 /// ```
-#[cfg(not(any(target_os = "ios", target_os = "macos", target_os = "redox")))]
+#[cfg(not(any(target_os = "ios", target_os = "macos", target_os = "redox", target_os = "haiku")))]
 pub fn setgroups(groups: &[Gid]) -> Result<()> {
     cfg_if! {
         if #[cfg(any(target_os = "dragonfly",
@@ -1660,7 +1698,7 @@ pub fn getgrouplist(user: &CStr, group: Gid) -> Result<Vec<Gid>> {
 /// # use std::ffi::CString;
 /// # use nix::unistd::*;
 /// #
-/// # fn try_main() -> Result<(), Box<Error>> {
+/// # fn try_main() -> Result<(), Box<dyn Error>> {
 /// let user = CString::new("www-data").unwrap();
 /// let uid = Uid::from_raw(33);
 /// let gid = Gid::from_raw(33);
@@ -1673,7 +1711,7 @@ pub fn getgrouplist(user: &CStr, group: Gid) -> Result<Vec<Gid>> {
 /// #
 /// # try_main().unwrap();
 /// ```
-#[cfg(not(any(target_os = "ios", target_os = "macos", target_os = "redox")))]
+#[cfg(not(any(target_os = "ios", target_os = "macos", target_os = "redox", target_os = "haiku")))]
 pub fn initgroups(user: &CStr, group: Gid) -> Result<()> {
     cfg_if! {
         if #[cfg(any(target_os = "ios", target_os = "macos"))] {
@@ -1802,7 +1840,7 @@ pub fn sleep(seconds: c_uint) -> c_uint {
 feature! {
 #![feature = "acct"]
 
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
 pub mod acct {
     use crate::{Result, NixPath};
     use crate::errno::Errno;
@@ -2088,12 +2126,12 @@ feature! {
 pub enum SysconfVar {
     /// Maximum number of I/O operations in a single list I/O call supported by
     /// the implementation.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     AIO_LISTIO_MAX = libc::_SC_AIO_LISTIO_MAX,
     /// Maximum number of outstanding asynchronous I/O operations supported by
     /// the implementation.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     AIO_MAX = libc::_SC_AIO_MAX,
     #[cfg(any(target_os="android", target_os="dragonfly", target_os="freebsd",
@@ -2110,19 +2148,19 @@ pub enum SysconfVar {
     #[cfg_attr(docsrs, doc(cfg(all())))]
     ATEXIT_MAX = libc::_SC_ATEXIT_MAX,
     /// Maximum obase values allowed by the bc utility.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     BC_BASE_MAX = libc::_SC_BC_BASE_MAX,
     /// Maximum number of elements permitted in an array by the bc utility.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     BC_DIM_MAX = libc::_SC_BC_DIM_MAX,
     /// Maximum scale value allowed by the bc utility.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     BC_SCALE_MAX = libc::_SC_BC_SCALE_MAX,
     /// Maximum length of a string constant accepted by the bc utility.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     BC_STRING_MAX = libc::_SC_BC_STRING_MAX,
     /// Maximum number of simultaneous processes per real user ID.
@@ -2131,16 +2169,16 @@ pub enum SysconfVar {
     CLK_TCK = libc::_SC_CLK_TCK,
     /// Maximum number of weights that can be assigned to an entry of the
     /// LC_COLLATE order keyword in the locale definition file
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     COLL_WEIGHTS_MAX = libc::_SC_COLL_WEIGHTS_MAX,
     /// Maximum number of timer expiration overruns.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     DELAYTIMER_MAX = libc::_SC_DELAYTIMER_MAX,
     /// Maximum number of expressions that can be nested within parentheses by
     /// the expr utility.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     EXPR_NEST_MAX = libc::_SC_EXPR_NEST_MAX,
     #[cfg(any(target_os="dragonfly", target_os="freebsd", target_os = "illumos",
@@ -2159,10 +2197,11 @@ pub enum SysconfVar {
     /// input line (either standard input or another file), when the utility is
     /// described as processing text files. The length includes room for the
     /// trailing <newline>.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     LINE_MAX = libc::_SC_LINE_MAX,
     /// Maximum length of a login name.
+    #[cfg(not(target_os = "haiku"))]
     LOGIN_NAME_MAX = libc::_SC_LOGIN_NAME_MAX,
     /// Maximum number of simultaneous supplementary group IDs per process.
     NGROUPS_MAX = libc::_SC_NGROUPS_MAX,
@@ -2175,11 +2214,11 @@ pub enum SysconfVar {
     #[cfg_attr(docsrs, doc(cfg(all())))]
     GETPW_R_SIZE_MAX = libc::_SC_GETPW_R_SIZE_MAX,
     /// The maximum number of open message queue descriptors a process may hold.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     MQ_OPEN_MAX = libc::_SC_MQ_OPEN_MAX,
     /// The maximum number of message priorities supported by the implementation.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     MQ_PRIO_MAX = libc::_SC_MQ_PRIO_MAX,
     /// A value one greater than the maximum value that the system may assign to
@@ -2197,7 +2236,7 @@ pub enum SysconfVar {
     /// The implementation supports barriers.
     _POSIX_BARRIERS = libc::_SC_BARRIERS,
     /// The implementation supports asynchronous input and output.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX_ASYNCHRONOUS_IO = libc::_SC_ASYNCHRONOUS_IO,
     #[cfg(any(target_os="dragonfly", target_os="freebsd", target_os = "illumos",
@@ -2213,7 +2252,7 @@ pub enum SysconfVar {
     /// The implementation supports the Process CPU-Time Clocks option.
     _POSIX_CPUTIME = libc::_SC_CPUTIME,
     /// The implementation supports the File Synchronization option.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX_FSYNC = libc::_SC_FSYNC,
     #[cfg(any(target_os="dragonfly", target_os="freebsd", target_os = "illumos",
@@ -2227,15 +2266,15 @@ pub enum SysconfVar {
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX_JOB_CONTROL = libc::_SC_JOB_CONTROL,
     /// The implementation supports memory mapped Files.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX_MAPPED_FILES = libc::_SC_MAPPED_FILES,
     /// The implementation supports the Process Memory Locking option.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX_MEMLOCK = libc::_SC_MEMLOCK,
     /// The implementation supports the Range Memory Locking option.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX_MEMLOCK_RANGE = libc::_SC_MEMLOCK_RANGE,
     /// The implementation supports memory protection.
@@ -2243,7 +2282,7 @@ pub enum SysconfVar {
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX_MEMORY_PROTECTION = libc::_SC_MEMORY_PROTECTION,
     /// The implementation supports the Message Passing option.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX_MESSAGE_PASSING = libc::_SC_MESSAGE_PASSING,
     /// The implementation supports the Monotonic Clock option.
@@ -2257,7 +2296,7 @@ pub enum SysconfVar {
     /// The implementation supports the Prioritized Input and Output option.
     _POSIX_PRIORITIZED_IO = libc::_SC_PRIORITIZED_IO,
     /// The implementation supports the Process Scheduling option.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX_PRIORITY_SCHEDULING = libc::_SC_PRIORITY_SCHEDULING,
     #[cfg(any(target_os="dragonfly", target_os="freebsd", target_os = "illumos",
@@ -2293,7 +2332,7 @@ pub enum SysconfVar {
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX_SEMAPHORES = libc::_SC_SEMAPHORES,
     /// The implementation supports the Shared Memory Objects option.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX_SHARED_MEMORY_OBJECTS = libc::_SC_SHARED_MEMORY_OBJECTS,
     #[cfg(any(target_os="dragonfly", target_os="freebsd", target_os = "ios",
@@ -2324,7 +2363,7 @@ pub enum SysconfVar {
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX_SS_REPL_MAX = libc::_SC_SS_REPL_MAX,
     /// The implementation supports the Synchronized Input and Output option.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX_SYNCHRONIZED_IO = libc::_SC_SYNCHRONIZED_IO,
     /// The implementation supports the Thread Stack Address Attribute option.
@@ -2342,11 +2381,11 @@ pub enum SysconfVar {
     _POSIX_THREAD_CPUTIME = libc::_SC_THREAD_CPUTIME,
     /// The implementation supports the Non-Robust Mutex Priority Inheritance
     /// option.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX_THREAD_PRIO_INHERIT = libc::_SC_THREAD_PRIO_INHERIT,
     /// The implementation supports the Non-Robust Mutex Priority Protection option.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX_THREAD_PRIO_PROTECT = libc::_SC_THREAD_PRIO_PROTECT,
     /// The implementation supports the Thread Execution Scheduling option.
@@ -2369,7 +2408,7 @@ pub enum SysconfVar {
     /// The implementation supports the Robust Mutex Priority Protection option.
     _POSIX_THREAD_ROBUST_PRIO_PROTECT = libc::_SC_THREAD_ROBUST_PRIO_PROTECT,
     /// The implementation supports thread-safe functions.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX_THREAD_SAFE_FUNCTIONS = libc::_SC_THREAD_SAFE_FUNCTIONS,
     #[cfg(any(target_os="dragonfly", target_os="freebsd", target_os = "ios",
@@ -2466,28 +2505,28 @@ pub enum SysconfVar {
     /// using at least 64 bits.
     _POSIX_V6_LPBIG_OFFBIG = libc::_SC_V6_LPBIG_OFFBIG,
     /// The implementation supports the C-Language Binding option.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX2_C_BIND = libc::_SC_2_C_BIND,
     /// The implementation supports the C-Language Development Utilities option.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX2_C_DEV = libc::_SC_2_C_DEV,
     /// The implementation supports the Terminal Characteristics option.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX2_CHAR_TERM = libc::_SC_2_CHAR_TERM,
     /// The implementation supports the FORTRAN Development Utilities option.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX2_FORT_DEV = libc::_SC_2_FORT_DEV,
     /// The implementation supports the FORTRAN Runtime Utilities option.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX2_FORT_RUN = libc::_SC_2_FORT_RUN,
     /// The implementation supports the creation of locales by the localedef
     /// utility.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX2_LOCALEDEF = libc::_SC_2_LOCALEDEF,
     #[cfg(any(target_os="dragonfly", target_os="freebsd", target_os = "ios",
@@ -2528,16 +2567,16 @@ pub enum SysconfVar {
     /// The implementation supports the Track Batch Job Request option.
     _POSIX2_PBS_TRACK = libc::_SC_2_PBS_TRACK,
     /// The implementation supports the Software Development Utilities option.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX2_SW_DEV = libc::_SC_2_SW_DEV,
     /// The implementation supports the User Portability Utilities option.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX2_UPE = libc::_SC_2_UPE,
     /// Integer value indicating version of the Shell and Utilities volume of
     /// POSIX.1 to which the implementation conforms.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _POSIX2_VERSION = libc::_SC_2_VERSION,
     /// The size of a system page in bytes.
@@ -2545,18 +2584,19 @@ pub enum SysconfVar {
     /// POSIX also defines an alias named `PAGESIZE`, but Rust does not allow two
     /// enum constants to have the same value, so nix omits `PAGESIZE`.
     PAGE_SIZE = libc::_SC_PAGE_SIZE,
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     PTHREAD_DESTRUCTOR_ITERATIONS = libc::_SC_THREAD_DESTRUCTOR_ITERATIONS,
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     PTHREAD_KEYS_MAX = libc::_SC_THREAD_KEYS_MAX,
     #[cfg(not(target_os = "redox"))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     PTHREAD_STACK_MIN = libc::_SC_THREAD_STACK_MIN,
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     PTHREAD_THREADS_MAX = libc::_SC_THREAD_THREADS_MAX,
+    #[cfg(not(target_os = "haiku"))]
     RE_DUP_MAX = libc::_SC_RE_DUP_MAX,
     #[cfg(any(target_os="android", target_os="dragonfly", target_os="freebsd",
               target_os = "ios", target_os="linux", target_os = "macos",
@@ -2619,7 +2659,7 @@ pub enum SysconfVar {
     _XOPEN_REALTIME_THREADS = libc::_SC_XOPEN_REALTIME_THREADS,
     /// The implementation supports the Issue 4, Version 2 Shared Memory Option
     /// Group.
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "redox", target_os = "haiku")))]
     #[cfg_attr(docsrs, doc(cfg(all())))]
     _XOPEN_SHM = libc::_SC_XOPEN_SHM,
     #[cfg(any(target_os="dragonfly", target_os="freebsd", target_os = "ios",
@@ -2640,6 +2680,19 @@ pub enum SysconfVar {
     /// Integer value indicating version of the X/Open Portability Guide to
     /// which the implementation conforms.
     _XOPEN_VERSION = libc::_SC_XOPEN_VERSION,
+    /// The number of pages of physical memory. Note that it is possible for
+    /// the product of this value to overflow.
+    #[cfg(any(target_os="android", target_os="linux"))]
+    _PHYS_PAGES = libc::_SC_PHYS_PAGES,
+    /// The number of currently available pages of physical memory.
+    #[cfg(any(target_os="android", target_os="linux"))]
+    _AVPHYS_PAGES = libc::_SC_AVPHYS_PAGES,
+    /// The number of processors configured.
+    #[cfg(any(target_os="android", target_os="linux"))]
+    _NPROCESSORS_CONF = libc::_SC_NPROCESSORS_CONF,
+    /// The number of processors currently online (available).
+    #[cfg(any(target_os="android", target_os="linux"))]
+    _NPROCESSORS_ONLN = libc::_SC_NPROCESSORS_ONLN,
 }
 
 /// Get configurable system variables (see
@@ -2698,11 +2751,13 @@ mod pivot_root {
 }
 }
 
-#[cfg(any(target_os = "android",
-          target_os = "dragonfly",
-          target_os = "freebsd",
-          target_os = "linux",
-          target_os = "openbsd"))]
+#[cfg(any(
+    target_os = "android",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "linux",
+    target_os = "openbsd"
+))]
 mod setres {
     feature! {
     #![feature = "user"]
@@ -2745,11 +2800,13 @@ mod setres {
     }
 }
 
-#[cfg(any(target_os = "android",
-          target_os = "dragonfly",
-          target_os = "freebsd",
-          target_os = "linux",
-          target_os = "openbsd"))]
+#[cfg(any(
+    target_os = "android",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "linux",
+    target_os = "openbsd"
+))]
 mod getres {
     feature! {
     #![feature = "user"]
@@ -2815,7 +2872,7 @@ mod getres {
 }
 
 #[cfg(feature = "fs")]
-libc_bitflags!{
+libc_bitflags! {
     /// Options for access()
     #[cfg_attr(docsrs, doc(cfg(feature = "fs")))]
     pub struct AccessFlags : c_int {
@@ -2843,6 +2900,27 @@ pub fn access<P: ?Sized + NixPath>(path: &P, amode: AccessFlags) -> Result<()> {
     })?;
     Errno::result(res).map(drop)
 }
+
+/// Checks the file named by `path` for accessibility according to the flags given by `mode`
+///
+/// If `dirfd` has a value, then `path` is relative to directory associated with the file descriptor.
+///
+/// If `dirfd` is `None`, then `path` is relative to the current working directory.
+///
+/// # References
+///
+/// [faccessat(2)](http://pubs.opengroup.org/onlinepubs/9699919799/functions/faccessat.html)
+// illumos: faccessat(2) appears to be supported, but the libc crate does not provide a binding.
+// redox: does not appear to support the *at family of syscalls.
+#[cfg(not(any(target_os = "illumos", target_os = "redox")))]
+pub fn faccessat<P: ?Sized + NixPath>(dirfd: Option<RawFd>, path: &P, mode: AccessFlags, flags: AtFlags) -> Result<()> {
+    let res = path.with_nix_path(|cstr| {
+        unsafe {
+            libc::faccessat(at_rawfd(dirfd), cstr.as_ptr(), mode.bits(), flags.bits())
+        }
+    })?;
+    Errno::result(res).map(drop)
+}
 }
 
 feature! {
@@ -2855,11 +2933,11 @@ feature! {
 /// guaranteed to conform to [`NAME_REGEX`](https://serverfault.com/a/73101/407341), which only
 /// contains ASCII.
 #[cfg(not(target_os = "redox"))] // RedoxFS does not support passwd
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, Eq, PartialEq)]
 pub struct User {
     /// Username
     pub name: String,
-    /// User password (probably encrypted)
+    /// User password (probably hashed)
     pub passwd: CString,
     /// User ID
     pub uid: Uid,
@@ -2875,6 +2953,7 @@ pub struct User {
     /// Login class
     #[cfg(not(any(target_os = "android",
                   target_os = "fuchsia",
+                  target_os = "haiku",
                   target_os = "illumos",
                   target_os = "linux",
                   target_os = "solaris")))]
@@ -2883,6 +2962,7 @@ pub struct User {
     /// Last password change
     #[cfg(not(any(target_os = "android",
                   target_os = "fuchsia",
+                  target_os = "haiku",
                   target_os = "illumos",
                   target_os = "linux",
                   target_os = "solaris")))]
@@ -2891,6 +2971,7 @@ pub struct User {
     /// Expiration time of account
     #[cfg(not(any(target_os = "android",
                   target_os = "fuchsia",
+                  target_os = "haiku",
                   target_os = "illumos",
                   target_os = "linux",
                   target_os = "solaris")))]
@@ -2898,37 +2979,40 @@ pub struct User {
     pub expire: libc::time_t
 }
 
-#[cfg(not(target_os = "redox"))] // RedoxFS does not support passwd
+#[cfg(not(target_os = "redox"))] //RedoxFS does not support passwd
 impl From<&libc::passwd> for User {
     fn from(pw: &libc::passwd) -> User {
         unsafe {
             User {
-                name: CStr::from_ptr((*pw).pw_name).to_string_lossy().into_owned(),
-                passwd: CString::new(CStr::from_ptr((*pw).pw_passwd).to_bytes()).unwrap(),
+                name: CStr::from_ptr(pw.pw_name).to_string_lossy().into_owned(),
+                passwd: CString::new(CStr::from_ptr(pw.pw_passwd).to_bytes()).unwrap(),
                 #[cfg(not(all(target_os = "android", target_pointer_width = "32")))]
-                gecos: CString::new(CStr::from_ptr((*pw).pw_gecos).to_bytes()).unwrap(),
-                dir: PathBuf::from(OsStr::from_bytes(CStr::from_ptr((*pw).pw_dir).to_bytes())),
-                shell: PathBuf::from(OsStr::from_bytes(CStr::from_ptr((*pw).pw_shell).to_bytes())),
-                uid: Uid::from_raw((*pw).pw_uid),
-                gid: Gid::from_raw((*pw).pw_gid),
+                gecos: CString::new(CStr::from_ptr(pw.pw_gecos).to_bytes()).unwrap(),
+                dir: PathBuf::from(OsStr::from_bytes(CStr::from_ptr(pw.pw_dir).to_bytes())),
+                shell: PathBuf::from(OsStr::from_bytes(CStr::from_ptr(pw.pw_shell).to_bytes())),
+                uid: Uid::from_raw(pw.pw_uid),
+                gid: Gid::from_raw(pw.pw_gid),
                 #[cfg(not(any(target_os = "android",
                               target_os = "fuchsia",
+                              target_os = "haiku",
                               target_os = "illumos",
                               target_os = "linux",
                               target_os = "solaris")))]
-                class: CString::new(CStr::from_ptr((*pw).pw_class).to_bytes()).unwrap(),
+                class: CString::new(CStr::from_ptr(pw.pw_class).to_bytes()).unwrap(),
                 #[cfg(not(any(target_os = "android",
                               target_os = "fuchsia",
+                              target_os = "haiku",
                               target_os = "illumos",
                               target_os = "linux",
                               target_os = "solaris")))]
-                change: (*pw).pw_change,
+                change: pw.pw_change,
                 #[cfg(not(any(target_os = "android",
                               target_os = "fuchsia",
+                              target_os = "haiku",
                               target_os = "illumos",
                               target_os = "linux",
                               target_os = "solaris")))]
-                expire: (*pw).pw_expire
+                expire: pw.pw_expire
             }
         }
     }
@@ -2960,18 +3044,21 @@ impl From<User> for libc::passwd {
             pw_gid: u.gid.0,
             #[cfg(not(any(target_os = "android",
                           target_os = "fuchsia",
+                          target_os = "haiku",
                           target_os = "illumos",
                           target_os = "linux",
                           target_os = "solaris")))]
             pw_class: u.class.into_raw(),
             #[cfg(not(any(target_os = "android",
                           target_os = "fuchsia",
+                          target_os = "haiku",
                           target_os = "illumos",
                           target_os = "linux",
                           target_os = "solaris")))]
             pw_change: u.change,
             #[cfg(not(any(target_os = "android",
                           target_os = "fuchsia",
+                          target_os = "haiku",
                           target_os = "illumos",
                           target_os = "linux",
                           target_os = "solaris")))]
@@ -3034,7 +3121,7 @@ impl User {
     /// use nix::unistd::{Uid, User};
     /// // Returns an Result<Option<User>>, thus the double unwrap.
     /// let res = User::from_uid(Uid::from_raw(0)).unwrap().unwrap();
-    /// assert!(res.name == "root");
+    /// assert_eq!(res.name, "root");
     /// ```
     pub fn from_uid(uid: Uid) -> Result<Option<Self>> {
         User::from_anything(|pwd, cbuf, cap, res| {
@@ -3053,7 +3140,7 @@ impl User {
     /// use nix::unistd::User;
     /// // Returns an Result<Option<User>>, thus the double unwrap.
     /// let res = User::from_name("root").unwrap().unwrap();
-    /// assert!(res.name == "root");
+    /// assert_eq!(res.name, "root");
     /// ```
     pub fn from_name(name: &str) -> Result<Option<Self>> {
         let name = CString::new(name).unwrap();
@@ -3065,7 +3152,7 @@ impl User {
 
 /// Representation of a Group, based on `libc::group`
 #[cfg(not(target_os = "redox"))] // RedoxFS does not support passwd
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, Eq, PartialEq)]
 pub struct Group {
     /// Group name
     pub name: String,
@@ -3082,10 +3169,10 @@ impl From<&libc::group> for Group {
     fn from(gr: &libc::group) -> Group {
         unsafe {
             Group {
-                name: CStr::from_ptr((*gr).gr_name).to_string_lossy().into_owned(),
-                passwd: CString::new(CStr::from_ptr((*gr).gr_passwd).to_bytes()).unwrap(),
-                gid: Gid::from_raw((*gr).gr_gid),
-                mem: Group::members((*gr).gr_mem)
+                name: CStr::from_ptr(gr.gr_name).to_string_lossy().into_owned(),
+                passwd: CString::new(CStr::from_ptr(gr.gr_passwd).to_bytes()).unwrap(),
+                gid: Gid::from_raw(gr.gr_gid),
+                mem: Group::members(gr.gr_mem)
             }
         }
     }
@@ -3234,3 +3321,26 @@ pub fn getpeereid(fd: RawFd) -> Result<(Uid, Gid)> {
     Errno::result(ret).map(|_| (Uid(uid), Gid(gid)))
 }
 }
+
+feature! {
+#![all(feature = "fs")]
+
+/// Set the file flags.
+///
+/// See also [chflags(2)](https://www.freebsd.org/cgi/man.cgi?query=chflags&sektion=2)
+#[cfg(any(
+    target_os = "openbsd",
+    target_os = "netbsd",
+    target_os = "freebsd",
+    target_os = "dragonfly",
+    target_os = "macos",
+    target_os = "ios"
+))]
+pub fn chflags<P: ?Sized + NixPath>(path: &P, flags: FileFlag) -> Result<()> {
+    let res = path.with_nix_path(|cstr| unsafe {
+        libc::chflags(cstr.as_ptr(), flags.bits())
+    })?;
+
+    Errno::result(res).map(drop)
+}
+}
diff --git a/bash-5.1/vendor/nix/test/common/mod.rs b/bash-5.1/vendor/nix/test/common/mod.rs
index 544a1ae3f0ad4a3d917c5057082df6a5b7f5a8e2..bb056aab87c5c637e2e1c7bcafe03fc2bf2b8f2a 100644
--- a/bash-5.1/vendor/nix/test/common/mod.rs
+++ b/bash-5.1/vendor/nix/test/common/mod.rs
@@ -1,6 +1,7 @@
 use cfg_if::cfg_if;
 
-#[macro_export] macro_rules! skip {
+#[macro_export]
+macro_rules! skip {
     ($($reason: expr),+) => {
         use ::std::io::{self, Write};
 
@@ -33,42 +34,49 @@ cfg_if! {
 
 /// Skip the test if we don't have the ability to mount file systems.
 #[cfg(target_os = "freebsd")]
-#[macro_export] macro_rules! require_mount {
+#[macro_export]
+macro_rules! require_mount {
     ($name:expr) => {
-        use ::sysctl::CtlValue;
+        use ::sysctl::{CtlValue, Sysctl};
         use nix::unistd::Uid;
 
-        if !Uid::current().is_root() && CtlValue::Int(0) == ::sysctl::value("vfs.usermount").unwrap()
+        let ctl = ::sysctl::Ctl::new("vfs.usermount").unwrap();
+        if !Uid::current().is_root() && CtlValue::Int(0) == ctl.value().unwrap()
         {
-            skip!("{} requires the ability to mount file systems. Skipping test.", $name);
+            skip!(
+                "{} requires the ability to mount file systems. Skipping test.",
+                $name
+            );
         }
-    }
+    };
 }
 
-#[cfg(any(target_os = "linux", target_os= "android"))]
-#[macro_export] macro_rules! skip_if_cirrus {
+#[cfg(any(target_os = "linux", target_os = "android"))]
+#[macro_export]
+macro_rules! skip_if_cirrus {
     ($reason:expr) => {
         if std::env::var_os("CIRRUS_CI").is_some() {
             skip!("{}", $reason);
         }
-    }
+    };
 }
 
 #[cfg(target_os = "freebsd")]
-#[macro_export] macro_rules! skip_if_jailed {
+#[macro_export]
+macro_rules! skip_if_jailed {
     ($name:expr) => {
-        use ::sysctl::CtlValue;
+        use ::sysctl::{CtlValue, Sysctl};
 
-        if let CtlValue::Int(1) = ::sysctl::value("security.jail.jailed")
-            .unwrap()
-        {
+        let ctl = ::sysctl::Ctl::new("security.jail.jailed").unwrap();
+        if let CtlValue::Int(1) = ctl.value().unwrap() {
             skip!("{} cannot run in a jail. Skipping test.", $name);
         }
-    }
+    };
 }
 
 #[cfg(not(any(target_os = "redox", target_os = "fuchsia")))]
-#[macro_export] macro_rules! skip_if_not_root {
+#[macro_export]
+macro_rules! skip_if_not_root {
     ($name:expr) => {
         use nix::unistd::Uid;
 
diff --git a/bash-5.1/vendor/nix/test/sys/mod.rs b/bash-5.1/vendor/nix/test/sys/mod.rs
index 91c0aae708b03d9fe03d4e270724654b97e05cd2..20312120a68c0e8fdae69dfeb58680f725fb40ca 100644
--- a/bash-5.1/vendor/nix/test/sys/mod.rs
+++ b/bash-5.1/vendor/nix/test/sys/mod.rs
@@ -5,43 +5,56 @@ mod test_signal;
 // works or not heavily depends on which pthread implementation is chosen
 // by the user at link time. For this reason we do not want to run aio test
 // cases on DragonFly.
-#[cfg(any(target_os = "freebsd",
-          target_os = "ios",
-          all(target_os = "linux", not(target_env = "uclibc")),
-          target_os = "macos",
-          target_os = "netbsd"))]
+#[cfg(any(
+    target_os = "freebsd",
+    target_os = "ios",
+    all(target_os = "linux", not(target_env = "uclibc")),
+    target_os = "macos",
+    target_os = "netbsd"
+))]
 mod test_aio;
+#[cfg(not(any(
+    target_os = "redox",
+    target_os = "fuchsia",
+    target_os = "haiku"
+)))]
+mod test_ioctl;
 #[cfg(not(target_os = "redox"))]
 mod test_mman;
+#[cfg(not(target_os = "redox"))]
+mod test_select;
 #[cfg(target_os = "linux")]
 mod test_signalfd;
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
 mod test_socket;
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox")))]
 mod test_sockopt;
-#[cfg(not(target_os = "redox"))]
-mod test_select;
+mod test_stat;
 #[cfg(any(target_os = "android", target_os = "linux"))]
 mod test_sysinfo;
-#[cfg(not(any(target_os = "redox", target_os = "fuchsia")))]
+#[cfg(not(any(
+    target_os = "redox",
+    target_os = "fuchsia",
+    target_os = "haiku"
+)))]
 mod test_termios;
-#[cfg(not(any(target_os = "redox", target_os = "fuchsia")))]
-mod test_ioctl;
-mod test_wait;
 mod test_uio;
+mod test_wait;
 
 #[cfg(any(target_os = "android", target_os = "linux"))]
 mod test_epoll;
 #[cfg(target_os = "linux")]
 mod test_inotify;
 mod test_pthread;
-#[cfg(any(target_os = "android",
-          target_os = "dragonfly",
-          target_os = "freebsd",
-          target_os = "linux",
-          target_os = "macos",
-          target_os = "netbsd",
-          target_os = "openbsd"))]
+#[cfg(any(
+    target_os = "android",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "linux",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd"
+))]
 mod test_ptrace;
 #[cfg(any(target_os = "android", target_os = "linux"))]
 mod test_timerfd;
diff --git a/bash-5.1/vendor/nix/test/sys/test_aio.rs b/bash-5.1/vendor/nix/test/sys/test_aio.rs
index 80cd053f8defadb83b8c8dbf8cf68f4d2a20511d..6a36f3e7cf0cbd759ef82c2923261b2e52d04c94 100644
--- a/bash-5.1/vendor/nix/test/sys/test_aio.rs
+++ b/bash-5.1/vendor/nix/test/sys/test_aio.rs
@@ -1,415 +1,516 @@
-use libc::{c_int, c_void};
-use nix::Result;
-use nix::errno::*;
-use nix::sys::aio::*;
-use nix::sys::signal::{SaFlags, SigAction, sigaction, SigevNotify, SigHandler, Signal, SigSet};
-use nix::sys::time::{TimeSpec, TimeValLike};
-use std::io::{Write, Read, Seek, SeekFrom};
-use std::ops::Deref;
-use std::os::unix::io::AsRawFd;
-use std::pin::Pin;
-use std::sync::atomic::{AtomicBool, Ordering};
-use std::{thread, time};
+use std::{
+    io::{Read, Seek, SeekFrom, Write},
+    ops::Deref,
+    os::unix::io::AsRawFd,
+    pin::Pin,
+    sync::atomic::{AtomicBool, Ordering},
+    thread, time,
+};
+
+use libc::c_int;
+use nix::{
+    errno::*,
+    sys::{
+        aio::*,
+        signal::{
+            sigaction, SaFlags, SigAction, SigHandler, SigSet, SigevNotify,
+            Signal,
+        },
+        time::{TimeSpec, TimeValLike},
+    },
+};
 use tempfile::tempfile;
 
-// Helper that polls an AioCb for completion or error
-fn poll_aio(aiocb: &mut Pin<Box<AioCb>>) -> Result<()> {
-    loop {
-        let err = aiocb.error();
-        if err != Err(Errno::EINPROGRESS) { return err; };
-        thread::sleep(time::Duration::from_millis(10));
-    }
+lazy_static! {
+    pub static ref SIGNALED: AtomicBool = AtomicBool::new(false);
 }
 
-// Helper that polls a component of an LioCb for completion or error
-#[cfg(not(any(target_os = "ios", target_os = "macos")))]
-fn poll_lio(liocb: &mut LioCb, i: usize) -> Result<()> {
-    loop {
-        let err = liocb.error(i);
-        if err != Err(Errno::EINPROGRESS) { return err; };
-        thread::sleep(time::Duration::from_millis(10));
-    }
+extern "C" fn sigfunc(_: c_int) {
+    SIGNALED.store(true, Ordering::Relaxed);
 }
 
-#[test]
-fn test_accessors() {
-    let mut rbuf = vec![0; 4];
-    let aiocb = AioCb::from_mut_slice( 1001,
-                           2,   //offset
-                           &mut rbuf,
-                           42,   //priority
-                           SigevNotify::SigevSignal {
-                               signal: Signal::SIGUSR2,
-                               si_value: 99
-                           },
-                           LioOpcode::LIO_NOP);
-    assert_eq!(1001, aiocb.fd());
-    assert_eq!(Some(LioOpcode::LIO_NOP), aiocb.lio_opcode());
-    assert_eq!(4, aiocb.nbytes());
-    assert_eq!(2, aiocb.offset());
-    assert_eq!(42, aiocb.priority());
-    let sev = aiocb.sigevent().sigevent();
-    assert_eq!(Signal::SIGUSR2 as i32, sev.sigev_signo);
-    assert_eq!(99, sev.sigev_value.sival_ptr as i64);
+// Helper that polls an AioCb for completion or error
+macro_rules! poll_aio {
+    ($aiocb: expr) => {
+        loop {
+            let err = $aiocb.as_mut().error();
+            if err != Err(Errno::EINPROGRESS) {
+                break err;
+            };
+            thread::sleep(time::Duration::from_millis(10));
+        }
+    };
 }
 
-// Tests AioCb.cancel.  We aren't trying to test the OS's implementation, only
-// our bindings.  So it's sufficient to check that AioCb.cancel returned any
-// AioCancelStat value.
-#[test]
-#[cfg_attr(target_env = "musl", ignore)]
-fn test_cancel() {
-    let wbuf: &[u8] = b"CDEF";
-
-    let f = tempfile().unwrap();
-    let mut aiocb = AioCb::from_slice( f.as_raw_fd(),
-                            0,   //offset
-                            wbuf,
-                            0,   //priority
-                            SigevNotify::SigevNone,
-                            LioOpcode::LIO_NOP);
-    aiocb.write().unwrap();
-    let err = aiocb.error();
-    assert!(err == Ok(()) || err == Err(Errno::EINPROGRESS));
+mod aio_fsync {
+    use super::*;
+
+    #[test]
+    fn test_accessors() {
+        let aiocb = AioFsync::new(
+            1001,
+            AioFsyncMode::O_SYNC,
+            42,
+            SigevNotify::SigevSignal {
+                signal: Signal::SIGUSR2,
+                si_value: 99,
+            },
+        );
+        assert_eq!(1001, aiocb.fd());
+        assert_eq!(AioFsyncMode::O_SYNC, aiocb.mode());
+        assert_eq!(42, aiocb.priority());
+        let sev = aiocb.sigevent().sigevent();
+        assert_eq!(Signal::SIGUSR2 as i32, sev.sigev_signo);
+        assert_eq!(99, sev.sigev_value.sival_ptr as i64);
+    }
 
-    let cancelstat = aiocb.cancel();
-    assert!(cancelstat.is_ok());
+    /// `AioFsync::submit` should not modify the `AioCb` object if
+    /// `libc::aio_fsync` returns an error
+    // Skip on Linux, because Linux's AIO implementation can't detect errors
+    // synchronously
+    #[test]
+    #[cfg(any(target_os = "freebsd", target_os = "macos"))]
+    fn error() {
+        use std::mem;
+
+        const INITIAL: &[u8] = b"abcdef123456";
+        // Create an invalid AioFsyncMode
+        let mode = unsafe { mem::transmute(666) };
+        let mut f = tempfile().unwrap();
+        f.write_all(INITIAL).unwrap();
+        let mut aiof = Box::pin(AioFsync::new(
+            f.as_raw_fd(),
+            mode,
+            0,
+            SigevNotify::SigevNone,
+        ));
+        let err = aiof.as_mut().submit();
+        err.expect_err("assertion failed");
+    }
 
-    // Wait for aiocb to complete, but don't care whether it succeeded
-    let _ = poll_aio(&mut aiocb);
-    let _ = aiocb.aio_return();
+    #[test]
+    #[cfg_attr(all(target_env = "musl", target_arch = "x86_64"), ignore)]
+    fn ok() {
+        const INITIAL: &[u8] = b"abcdef123456";
+        let mut f = tempfile().unwrap();
+        f.write_all(INITIAL).unwrap();
+        let fd = f.as_raw_fd();
+        let mut aiof = Box::pin(AioFsync::new(
+            fd,
+            AioFsyncMode::O_SYNC,
+            0,
+            SigevNotify::SigevNone,
+        ));
+        aiof.as_mut().submit().unwrap();
+        poll_aio!(&mut aiof).unwrap();
+        aiof.as_mut().aio_return().unwrap();
+    }
 }
 
-// Tests using aio_cancel_all for all outstanding IOs.
-#[test]
-#[cfg_attr(target_env = "musl", ignore)]
-fn test_aio_cancel_all() {
-    let wbuf: &[u8] = b"CDEF";
-
-    let f = tempfile().unwrap();
-    let mut aiocb = AioCb::from_slice(f.as_raw_fd(),
-                            0,   //offset
-                            wbuf,
-                            0,   //priority
-                            SigevNotify::SigevNone,
-                            LioOpcode::LIO_NOP);
-    aiocb.write().unwrap();
-    let err = aiocb.error();
-    assert!(err == Ok(()) || err == Err(Errno::EINPROGRESS));
+mod aio_read {
+    use super::*;
+
+    #[test]
+    fn test_accessors() {
+        let mut rbuf = vec![0; 4];
+        let aiocb = AioRead::new(
+            1001,
+            2, //offset
+            &mut rbuf,
+            42, //priority
+            SigevNotify::SigevSignal {
+                signal: Signal::SIGUSR2,
+                si_value: 99,
+            },
+        );
+        assert_eq!(1001, aiocb.fd());
+        assert_eq!(4, aiocb.nbytes());
+        assert_eq!(2, aiocb.offset());
+        assert_eq!(42, aiocb.priority());
+        let sev = aiocb.sigevent().sigevent();
+        assert_eq!(Signal::SIGUSR2 as i32, sev.sigev_signo);
+        assert_eq!(99, sev.sigev_value.sival_ptr as i64);
+    }
 
-    let cancelstat = aio_cancel_all(f.as_raw_fd());
-    assert!(cancelstat.is_ok());
+    // Tests AioWrite.cancel.  We aren't trying to test the OS's implementation,
+    // only our bindings.  So it's sufficient to check that cancel
+    // returned any AioCancelStat value.
+    #[test]
+    #[cfg_attr(all(target_env = "musl", target_arch = "x86_64"), ignore)]
+    fn cancel() {
+        const INITIAL: &[u8] = b"abcdef123456";
+        let mut rbuf = vec![0; 4];
+        let mut f = tempfile().unwrap();
+        f.write_all(INITIAL).unwrap();
+        let fd = f.as_raw_fd();
+        let mut aior =
+            Box::pin(AioRead::new(fd, 2, &mut rbuf, 0, SigevNotify::SigevNone));
+        aior.as_mut().submit().unwrap();
+
+        aior.as_mut().cancel().unwrap();
+
+        // Wait for aiow to complete, but don't care whether it succeeded
+        let _ = poll_aio!(&mut aior);
+        let _ = aior.as_mut().aio_return();
+    }
 
-    // Wait for aiocb to complete, but don't care whether it succeeded
-    let _ = poll_aio(&mut aiocb);
-    let _ = aiocb.aio_return();
-}
+    /// `AioRead::submit` should not modify the `AioCb` object if
+    /// `libc::aio_read` returns an error
+    // Skip on Linux, because Linux's AIO implementation can't detect errors
+    // synchronously
+    #[test]
+    #[cfg(any(target_os = "freebsd", target_os = "macos"))]
+    fn error() {
+        const INITIAL: &[u8] = b"abcdef123456";
+        let mut rbuf = vec![0; 4];
+        let mut f = tempfile().unwrap();
+        f.write_all(INITIAL).unwrap();
+        let mut aior = Box::pin(AioRead::new(
+            f.as_raw_fd(),
+            -1, //an invalid offset
+            &mut rbuf,
+            0, //priority
+            SigevNotify::SigevNone,
+        ));
+        aior.as_mut().submit().expect_err("assertion failed");
+    }
 
-#[test]
-#[cfg_attr(all(target_env = "musl", target_arch = "x86_64"), ignore)]
-fn test_fsync() {
-    const INITIAL: &[u8] = b"abcdef123456";
-    let mut f = tempfile().unwrap();
-    f.write_all(INITIAL).unwrap();
-    let mut aiocb = AioCb::from_fd( f.as_raw_fd(),
-                            0,   //priority
-                            SigevNotify::SigevNone);
-    let err = aiocb.fsync(AioFsyncMode::O_SYNC);
-    assert!(err.is_ok());
-    poll_aio(&mut aiocb).unwrap();
-    aiocb.aio_return().unwrap();
-}
+    // Test a simple aio operation with no completion notification.  We must
+    // poll for completion
+    #[test]
+    #[cfg_attr(all(target_env = "musl", target_arch = "x86_64"), ignore)]
+    fn ok() {
+        const INITIAL: &[u8] = b"abcdef123456";
+        let mut rbuf = vec![0; 4];
+        const EXPECT: &[u8] = b"cdef";
+        let mut f = tempfile().unwrap();
+        f.write_all(INITIAL).unwrap();
+        {
+            let fd = f.as_raw_fd();
+            let mut aior = Box::pin(AioRead::new(
+                fd,
+                2,
+                &mut rbuf,
+                0,
+                SigevNotify::SigevNone,
+            ));
+            aior.as_mut().submit().unwrap();
 
-/// `AioCb::fsync` should not modify the `AioCb` object if `libc::aio_fsync` returns
-/// an error
-// Skip on Linux, because Linux's AIO implementation can't detect errors
-// synchronously
-#[test]
-#[cfg(any(target_os = "freebsd", target_os = "macos"))]
-fn test_fsync_error() {
-    use std::mem;
+            let err = poll_aio!(&mut aior);
+            assert_eq!(err, Ok(()));
+            assert_eq!(aior.as_mut().aio_return().unwrap(), EXPECT.len());
+        }
+        assert_eq!(EXPECT, rbuf.deref().deref());
+    }
 
-    const INITIAL: &[u8] = b"abcdef123456";
-    // Create an invalid AioFsyncMode
-    let mode = unsafe { mem::transmute(666) };
-    let mut f = tempfile().unwrap();
-    f.write_all(INITIAL).unwrap();
-    let mut aiocb = AioCb::from_fd( f.as_raw_fd(),
-                            0,   //priority
-                            SigevNotify::SigevNone);
-    let err = aiocb.fsync(mode);
-    assert!(err.is_err());
+    // Like ok, but allocates the structure on the stack.
+    #[test]
+    #[cfg_attr(all(target_env = "musl", target_arch = "x86_64"), ignore)]
+    fn on_stack() {
+        const INITIAL: &[u8] = b"abcdef123456";
+        let mut rbuf = vec![0; 4];
+        const EXPECT: &[u8] = b"cdef";
+        let mut f = tempfile().unwrap();
+        f.write_all(INITIAL).unwrap();
+        {
+            let fd = f.as_raw_fd();
+            let mut aior =
+                AioRead::new(fd, 2, &mut rbuf, 0, SigevNotify::SigevNone);
+            let mut aior = unsafe { Pin::new_unchecked(&mut aior) };
+            aior.as_mut().submit().unwrap();
+
+            let err = poll_aio!(&mut aior);
+            assert_eq!(err, Ok(()));
+            assert_eq!(aior.as_mut().aio_return().unwrap(), EXPECT.len());
+        }
+        assert_eq!(EXPECT, rbuf.deref().deref());
+    }
 }
 
-#[test]
-// On Cirrus on Linux, this test fails due to a glibc bug.
-// https://github.com/nix-rust/nix/issues/1099
-#[cfg_attr(target_os = "linux", ignore)]
-// On Cirrus, aio_suspend is failing with EINVAL
-// https://github.com/nix-rust/nix/issues/1361
-#[cfg_attr(target_os = "macos", ignore)]
-fn test_aio_suspend() {
-    const INITIAL: &[u8] = b"abcdef123456";
-    const WBUF: &[u8] = b"CDEFG";
-    let timeout = TimeSpec::seconds(10);
-    let mut rbuf = vec![0; 4];
-    let rlen = rbuf.len();
-    let mut f = tempfile().unwrap();
-    f.write_all(INITIAL).unwrap();
+#[cfg(target_os = "freebsd")]
+#[cfg(fbsd14)]
+mod aio_readv {
+    use std::io::IoSliceMut;
+
+    use super::*;
+
+    #[test]
+    fn test_accessors() {
+        let mut rbuf0 = vec![0; 4];
+        let mut rbuf1 = vec![0; 8];
+        let mut rbufs =
+            [IoSliceMut::new(&mut rbuf0), IoSliceMut::new(&mut rbuf1)];
+        let aiocb = AioReadv::new(
+            1001,
+            2, //offset
+            &mut rbufs,
+            42, //priority
+            SigevNotify::SigevSignal {
+                signal: Signal::SIGUSR2,
+                si_value: 99,
+            },
+        );
+        assert_eq!(1001, aiocb.fd());
+        assert_eq!(2, aiocb.iovlen());
+        assert_eq!(2, aiocb.offset());
+        assert_eq!(42, aiocb.priority());
+        let sev = aiocb.sigevent().sigevent();
+        assert_eq!(Signal::SIGUSR2 as i32, sev.sigev_signo);
+        assert_eq!(99, sev.sigev_value.sival_ptr as i64);
+    }
 
-    let mut wcb = AioCb::from_slice( f.as_raw_fd(),
-                           2,   //offset
-                           WBUF,
-                           0,   //priority
-                           SigevNotify::SigevNone,
-                           LioOpcode::LIO_WRITE);
-
-    let mut rcb = AioCb::from_mut_slice( f.as_raw_fd(),
-                            8,   //offset
-                            &mut rbuf,
-                            0,   //priority
-                            SigevNotify::SigevNone,
-                            LioOpcode::LIO_READ);
-    wcb.write().unwrap();
-    rcb.read().unwrap();
-    loop {
+    #[test]
+    #[cfg_attr(all(target_env = "musl", target_arch = "x86_64"), ignore)]
+    fn ok() {
+        const INITIAL: &[u8] = b"abcdef123456";
+        let mut rbuf0 = vec![0; 4];
+        let mut rbuf1 = vec![0; 2];
+        let mut rbufs =
+            [IoSliceMut::new(&mut rbuf0), IoSliceMut::new(&mut rbuf1)];
+        const EXPECT0: &[u8] = b"cdef";
+        const EXPECT1: &[u8] = b"12";
+        let mut f = tempfile().unwrap();
+        f.write_all(INITIAL).unwrap();
         {
-            let cbbuf = [wcb.as_ref(), rcb.as_ref()];
-            let r = aio_suspend(&cbbuf[..], Some(timeout));
-            match r {
-                Err(Errno::EINTR) => continue,
-                Err(e) => panic!("aio_suspend returned {:?}", e),
-                Ok(_) => ()
-            };
-        }
-        if rcb.error() != Err(Errno::EINPROGRESS) &&
-           wcb.error() != Err(Errno::EINPROGRESS) {
-            break
+            let fd = f.as_raw_fd();
+            let mut aior = Box::pin(AioReadv::new(
+                fd,
+                2,
+                &mut rbufs,
+                0,
+                SigevNotify::SigevNone,
+            ));
+            aior.as_mut().submit().unwrap();
+
+            let err = poll_aio!(&mut aior);
+            assert_eq!(err, Ok(()));
+            assert_eq!(
+                aior.as_mut().aio_return().unwrap(),
+                EXPECT0.len() + EXPECT1.len()
+            );
         }
+        assert_eq!(&EXPECT0, &rbuf0);
+        assert_eq!(&EXPECT1, &rbuf1);
     }
-
-    assert_eq!(wcb.aio_return().unwrap() as usize, WBUF.len());
-    assert_eq!(rcb.aio_return().unwrap() as usize, rlen);
 }
 
-// Test a simple aio operation with no completion notification.  We must poll
-// for completion
-#[test]
-#[cfg_attr(all(target_env = "musl", target_arch = "x86_64"), ignore)]
-fn test_read() {
-    const INITIAL: &[u8] = b"abcdef123456";
-    let mut rbuf = vec![0; 4];
-    const EXPECT: &[u8] = b"cdef";
-    let mut f = tempfile().unwrap();
-    f.write_all(INITIAL).unwrap();
-    {
-        let mut aiocb = AioCb::from_mut_slice( f.as_raw_fd(),
-                               2,   //offset
-                               &mut rbuf,
-                               0,   //priority
-                               SigevNotify::SigevNone,
-                               LioOpcode::LIO_NOP);
-        aiocb.read().unwrap();
-
-        let err = poll_aio(&mut aiocb);
-        assert_eq!(err, Ok(()));
-        assert_eq!(aiocb.aio_return().unwrap() as usize, EXPECT.len());
+mod aio_write {
+    use super::*;
+
+    #[test]
+    fn test_accessors() {
+        let wbuf = vec![0; 4];
+        let aiocb = AioWrite::new(
+            1001,
+            2, //offset
+            &wbuf,
+            42, //priority
+            SigevNotify::SigevSignal {
+                signal: Signal::SIGUSR2,
+                si_value: 99,
+            },
+        );
+        assert_eq!(1001, aiocb.fd());
+        assert_eq!(4, aiocb.nbytes());
+        assert_eq!(2, aiocb.offset());
+        assert_eq!(42, aiocb.priority());
+        let sev = aiocb.sigevent().sigevent();
+        assert_eq!(Signal::SIGUSR2 as i32, sev.sigev_signo);
+        assert_eq!(99, sev.sigev_value.sival_ptr as i64);
     }
 
-    assert_eq!(EXPECT, rbuf.deref().deref());
-}
+    // Tests AioWrite.cancel.  We aren't trying to test the OS's implementation,
+    // only our bindings.  So it's sufficient to check that cancel
+    // returned any AioCancelStat value.
+    #[test]
+    #[cfg_attr(target_env = "musl", ignore)]
+    fn cancel() {
+        let wbuf: &[u8] = b"CDEF";
 
-/// `AioCb::read` should not modify the `AioCb` object if `libc::aio_read`
-/// returns an error
-// Skip on Linux, because Linux's AIO implementation can't detect errors
-// synchronously
-#[test]
-#[cfg(any(target_os = "freebsd", target_os = "macos"))]
-fn test_read_error() {
-    const INITIAL: &[u8] = b"abcdef123456";
-    let mut rbuf = vec![0; 4];
-    let mut f = tempfile().unwrap();
-    f.write_all(INITIAL).unwrap();
-    let mut aiocb = AioCb::from_mut_slice( f.as_raw_fd(),
-                           -1,   //an invalid offset
-                           &mut rbuf,
-                           0,   //priority
-                           SigevNotify::SigevNone,
-                           LioOpcode::LIO_NOP);
-    assert!(aiocb.read().is_err());
-}
+        let f = tempfile().unwrap();
+        let mut aiow = Box::pin(AioWrite::new(
+            f.as_raw_fd(),
+            0,
+            wbuf,
+            0,
+            SigevNotify::SigevNone,
+        ));
+        aiow.as_mut().submit().unwrap();
+        let err = aiow.as_mut().error();
+        assert!(err == Ok(()) || err == Err(Errno::EINPROGRESS));
 
-// Tests from_mut_slice
-#[test]
-#[cfg_attr(all(target_env = "musl", target_arch = "x86_64"), ignore)]
-fn test_read_into_mut_slice() {
-    const INITIAL: &[u8] = b"abcdef123456";
-    let mut rbuf = vec![0; 4];
-    const EXPECT: &[u8] = b"cdef";
-    let mut f = tempfile().unwrap();
-    f.write_all(INITIAL).unwrap();
-    {
-        let mut aiocb = AioCb::from_mut_slice( f.as_raw_fd(),
-                               2,   //offset
-                               &mut rbuf,
-                               0,   //priority
-                               SigevNotify::SigevNone,
-                               LioOpcode::LIO_NOP);
-        aiocb.read().unwrap();
-
-        let err = poll_aio(&mut aiocb);
-        assert_eq!(err, Ok(()));
-        assert_eq!(aiocb.aio_return().unwrap() as usize, EXPECT.len());
+        aiow.as_mut().cancel().unwrap();
+
+        // Wait for aiow to complete, but don't care whether it succeeded
+        let _ = poll_aio!(&mut aiow);
+        let _ = aiow.as_mut().aio_return();
     }
 
-    assert_eq!(rbuf, EXPECT);
-}
+    // Test a simple aio operation with no completion notification.  We must
+    // poll for completion.
+    #[test]
+    #[cfg_attr(all(target_env = "musl", target_arch = "x86_64"), ignore)]
+    fn ok() {
+        const INITIAL: &[u8] = b"abcdef123456";
+        let wbuf = "CDEF".to_string().into_bytes();
+        let mut rbuf = Vec::new();
+        const EXPECT: &[u8] = b"abCDEF123456";
+
+        let mut f = tempfile().unwrap();
+        f.write_all(INITIAL).unwrap();
+        let mut aiow = Box::pin(AioWrite::new(
+            f.as_raw_fd(),
+            2,
+            &wbuf,
+            0,
+            SigevNotify::SigevNone,
+        ));
+        aiow.as_mut().submit().unwrap();
 
-// Tests from_ptr
-#[test]
-#[cfg_attr(all(target_env = "musl", target_arch = "x86_64"), ignore)]
-fn test_read_into_pointer() {
-    const INITIAL: &[u8] = b"abcdef123456";
-    let mut rbuf = vec![0; 4];
-    const EXPECT: &[u8] = b"cdef";
-    let mut f = tempfile().unwrap();
-    f.write_all(INITIAL).unwrap();
-    {
-        // Safety: ok because rbuf lives until after poll_aio
-        let mut aiocb = unsafe {
-            AioCb::from_mut_ptr( f.as_raw_fd(),
-                                 2,   //offset
-                                 rbuf.as_mut_ptr() as *mut c_void,
-                                 rbuf.len(),
-                                 0,   //priority
-                                 SigevNotify::SigevNone,
-                                 LioOpcode::LIO_NOP)
-        };
-        aiocb.read().unwrap();
-
-        let err = poll_aio(&mut aiocb);
+        let err = poll_aio!(&mut aiow);
         assert_eq!(err, Ok(()));
-        assert_eq!(aiocb.aio_return().unwrap() as usize, EXPECT.len());
-    }
+        assert_eq!(aiow.as_mut().aio_return().unwrap(), wbuf.len());
 
-    assert_eq!(rbuf, EXPECT);
-}
-
-// Test reading into an immutable buffer.  It should fail
-// FIXME: This test fails to panic on Linux/musl
-#[test]
-#[should_panic(expected = "Can't read into an immutable buffer")]
-#[cfg_attr(target_env = "musl", ignore)]
-fn test_read_immutable_buffer() {
-    let rbuf: &[u8] = b"CDEF";
-    let f = tempfile().unwrap();
-    let mut aiocb = AioCb::from_slice( f.as_raw_fd(),
-                           2,   //offset
-                           rbuf,
-                           0,   //priority
-                           SigevNotify::SigevNone,
-                           LioOpcode::LIO_NOP);
-    aiocb.read().unwrap();
-}
+        f.seek(SeekFrom::Start(0)).unwrap();
+        let len = f.read_to_end(&mut rbuf).unwrap();
+        assert_eq!(len, EXPECT.len());
+        assert_eq!(rbuf, EXPECT);
+    }
 
+    // Like ok, but allocates the structure on the stack.
+    #[test]
+    #[cfg_attr(all(target_env = "musl", target_arch = "x86_64"), ignore)]
+    fn on_stack() {
+        const INITIAL: &[u8] = b"abcdef123456";
+        let wbuf = "CDEF".to_string().into_bytes();
+        let mut rbuf = Vec::new();
+        const EXPECT: &[u8] = b"abCDEF123456";
+
+        let mut f = tempfile().unwrap();
+        f.write_all(INITIAL).unwrap();
+        let mut aiow = AioWrite::new(
+            f.as_raw_fd(),
+            2, //offset
+            &wbuf,
+            0, //priority
+            SigevNotify::SigevNone,
+        );
+        let mut aiow = unsafe { Pin::new_unchecked(&mut aiow) };
+        aiow.as_mut().submit().unwrap();
 
-// Test a simple aio operation with no completion notification.  We must poll
-// for completion.  Unlike test_aio_read, this test uses AioCb::from_slice
-#[test]
-#[cfg_attr(all(target_env = "musl", target_arch = "x86_64"), ignore)]
-fn test_write() {
-    const INITIAL: &[u8] = b"abcdef123456";
-    let wbuf = "CDEF".to_string().into_bytes();
-    let mut rbuf = Vec::new();
-    const EXPECT: &[u8] = b"abCDEF123456";
+        let err = poll_aio!(&mut aiow);
+        assert_eq!(err, Ok(()));
+        assert_eq!(aiow.as_mut().aio_return().unwrap(), wbuf.len());
 
-    let mut f = tempfile().unwrap();
-    f.write_all(INITIAL).unwrap();
-    let mut aiocb = AioCb::from_slice( f.as_raw_fd(),
-                           2,   //offset
-                           &wbuf,
-                           0,   //priority
-                           SigevNotify::SigevNone,
-                           LioOpcode::LIO_NOP);
-    aiocb.write().unwrap();
-
-    let err = poll_aio(&mut aiocb);
-    assert_eq!(err, Ok(()));
-    assert_eq!(aiocb.aio_return().unwrap() as usize, wbuf.len());
+        f.seek(SeekFrom::Start(0)).unwrap();
+        let len = f.read_to_end(&mut rbuf).unwrap();
+        assert_eq!(len, EXPECT.len());
+        assert_eq!(rbuf, EXPECT);
+    }
 
-    f.seek(SeekFrom::Start(0)).unwrap();
-    let len = f.read_to_end(&mut rbuf).unwrap();
-    assert_eq!(len, EXPECT.len());
-    assert_eq!(rbuf, EXPECT);
+    /// `AioWrite::write` should not modify the `AioCb` object if
+    /// `libc::aio_write` returns an error.
+    // Skip on Linux, because Linux's AIO implementation can't detect errors
+    // synchronously
+    #[test]
+    #[cfg(any(target_os = "freebsd", target_os = "macos"))]
+    fn error() {
+        let wbuf = "CDEF".to_string().into_bytes();
+        let mut aiow = Box::pin(AioWrite::new(
+            666, // An invalid file descriptor
+            0,   //offset
+            &wbuf,
+            0, //priority
+            SigevNotify::SigevNone,
+        ));
+        aiow.as_mut().submit().expect_err("assertion failed");
+        // Dropping the AioWrite at this point should not panic
+    }
 }
 
-// Tests `AioCb::from_ptr`
-#[test]
-#[cfg_attr(all(target_env = "musl", target_arch = "x86_64"), ignore)]
-fn test_write_from_pointer() {
-    const INITIAL: &[u8] = b"abcdef123456";
-    let wbuf = "CDEF".to_string().into_bytes();
-    let mut rbuf = Vec::new();
-    const EXPECT: &[u8] = b"abCDEF123456";
-
-    let mut f = tempfile().unwrap();
-    f.write_all(INITIAL).unwrap();
-    // Safety: ok because aiocb outlives poll_aio
-    let mut aiocb = unsafe {
-        AioCb::from_ptr( f.as_raw_fd(),
-                         2,   //offset
-                         wbuf.as_ptr() as *const c_void,
-                         wbuf.len(),
-                         0,   //priority
-                         SigevNotify::SigevNone,
-                         LioOpcode::LIO_NOP)
-    };
-    aiocb.write().unwrap();
-
-    let err = poll_aio(&mut aiocb);
-    assert_eq!(err, Ok(()));
-    assert_eq!(aiocb.aio_return().unwrap() as usize, wbuf.len());
-
-    f.seek(SeekFrom::Start(0)).unwrap();
-    let len = f.read_to_end(&mut rbuf).unwrap();
-    assert_eq!(len, EXPECT.len());
-    assert_eq!(rbuf, EXPECT);
-}
+#[cfg(target_os = "freebsd")]
+#[cfg(fbsd14)]
+mod aio_writev {
+    use std::io::IoSlice;
+
+    use super::*;
+
+    #[test]
+    fn test_accessors() {
+        let wbuf0 = vec![0; 4];
+        let wbuf1 = vec![0; 8];
+        let wbufs = [IoSlice::new(&wbuf0), IoSlice::new(&wbuf1)];
+        let aiocb = AioWritev::new(
+            1001,
+            2, //offset
+            &wbufs,
+            42, //priority
+            SigevNotify::SigevSignal {
+                signal: Signal::SIGUSR2,
+                si_value: 99,
+            },
+        );
+        assert_eq!(1001, aiocb.fd());
+        assert_eq!(2, aiocb.iovlen());
+        assert_eq!(2, aiocb.offset());
+        assert_eq!(42, aiocb.priority());
+        let sev = aiocb.sigevent().sigevent();
+        assert_eq!(Signal::SIGUSR2 as i32, sev.sigev_signo);
+        assert_eq!(99, sev.sigev_value.sival_ptr as i64);
+    }
 
-/// `AioCb::write` should not modify the `AioCb` object if `libc::aio_write`
-/// returns an error
-// Skip on Linux, because Linux's AIO implementation can't detect errors
-// synchronously
-#[test]
-#[cfg(any(target_os = "freebsd", target_os = "macos"))]
-fn test_write_error() {
-    let wbuf = "CDEF".to_string().into_bytes();
-    let mut aiocb = AioCb::from_slice( 666, // An invalid file descriptor
-                           0,   //offset
-                           &wbuf,
-                           0,   //priority
-                           SigevNotify::SigevNone,
-                           LioOpcode::LIO_NOP);
-    assert!(aiocb.write().is_err());
-}
+    // Test a simple aio operation with no completion notification.  We must
+    // poll for completion.
+    #[test]
+    #[cfg_attr(all(target_env = "musl", target_arch = "x86_64"), ignore)]
+    fn ok() {
+        const INITIAL: &[u8] = b"abcdef123456";
+        let wbuf0 = b"BC";
+        let wbuf1 = b"DEF";
+        let wbufs = [IoSlice::new(wbuf0), IoSlice::new(wbuf1)];
+        let wlen = wbuf0.len() + wbuf1.len();
+        let mut rbuf = Vec::new();
+        const EXPECT: &[u8] = b"aBCDEF123456";
+
+        let mut f = tempfile().unwrap();
+        f.write_all(INITIAL).unwrap();
+        let mut aiow = Box::pin(AioWritev::new(
+            f.as_raw_fd(),
+            1,
+            &wbufs,
+            0,
+            SigevNotify::SigevNone,
+        ));
+        aiow.as_mut().submit().unwrap();
 
-lazy_static! {
-    pub static ref SIGNALED: AtomicBool = AtomicBool::new(false);
-}
+        let err = poll_aio!(&mut aiow);
+        assert_eq!(err, Ok(()));
+        assert_eq!(aiow.as_mut().aio_return().unwrap(), wlen);
 
-extern fn sigfunc(_: c_int) {
-    SIGNALED.store(true, Ordering::Relaxed);
+        f.seek(SeekFrom::Start(0)).unwrap();
+        let len = f.read_to_end(&mut rbuf).unwrap();
+        assert_eq!(len, EXPECT.len());
+        assert_eq!(rbuf, EXPECT);
+    }
 }
 
 // Test an aio operation with completion delivered by a signal
-// FIXME: This test is ignored on mips because of failures in qemu in CI
 #[test]
-#[cfg_attr(any(all(target_env = "musl", target_arch = "x86_64"), target_arch = "mips", target_arch = "mips64"), ignore)]
-fn test_write_sigev_signal() {
+#[cfg_attr(
+    any(
+        all(target_env = "musl", target_arch = "x86_64"),
+        target_arch = "mips",
+        target_arch = "mips64"
+    ),
+    ignore
+)]
+fn sigev_signal() {
     let _m = crate::SIGNAL_MTX.lock();
-    let sa = SigAction::new(SigHandler::Handler(sigfunc),
-                            SaFlags::SA_RESETHAND,
-                            SigSet::empty());
+    let sa = SigAction::new(
+        SigHandler::Handler(sigfunc),
+        SaFlags::SA_RESETHAND,
+        SigSet::empty(),
+    );
     SIGNALED.store(false, Ordering::Relaxed);
     unsafe { sigaction(Signal::SIGUSR2, &sa) }.unwrap();
 
@@ -420,201 +521,106 @@ fn test_write_sigev_signal() {
 
     let mut f = tempfile().unwrap();
     f.write_all(INITIAL).unwrap();
-    let mut aiocb = AioCb::from_slice( f.as_raw_fd(),
-                           2,   //offset
-                           WBUF,
-                           0,   //priority
-                           SigevNotify::SigevSignal {
-                               signal: Signal::SIGUSR2,
-                               si_value: 0  //TODO: validate in sigfunc
-                           },
-                           LioOpcode::LIO_NOP);
-    aiocb.write().unwrap();
+    let mut aiow = Box::pin(AioWrite::new(
+        f.as_raw_fd(),
+        2, //offset
+        WBUF,
+        0, //priority
+        SigevNotify::SigevSignal {
+            signal: Signal::SIGUSR2,
+            si_value: 0, //TODO: validate in sigfunc
+        },
+    ));
+    aiow.as_mut().submit().unwrap();
     while !SIGNALED.load(Ordering::Relaxed) {
         thread::sleep(time::Duration::from_millis(10));
     }
 
-    assert_eq!(aiocb.aio_return().unwrap() as usize, WBUF.len());
+    assert_eq!(aiow.as_mut().aio_return().unwrap(), WBUF.len());
     f.seek(SeekFrom::Start(0)).unwrap();
     let len = f.read_to_end(&mut rbuf).unwrap();
     assert_eq!(len, EXPECT.len());
     assert_eq!(rbuf, EXPECT);
 }
 
-// Test LioCb::listio with LIO_WAIT, so all AIO ops should be complete by the
-// time listio returns.
-#[test]
-#[cfg(not(any(target_os = "ios", target_os = "macos")))]
-#[cfg_attr(all(target_env = "musl", target_arch = "x86_64"), ignore)]
-fn test_liocb_listio_wait() {
-    const INITIAL: &[u8] = b"abcdef123456";
-    const WBUF: &[u8] = b"CDEF";
-    let mut rbuf = vec![0; 4];
-    let rlen = rbuf.len();
-    let mut rbuf2 = Vec::new();
-    const EXPECT: &[u8] = b"abCDEF123456";
-    let mut f = tempfile().unwrap();
-
-    f.write_all(INITIAL).unwrap();
-
-    {
-        let mut liocb = LioCbBuilder::with_capacity(2)
-            .emplace_slice(
-                f.as_raw_fd(),
-                2,   //offset
-                WBUF,
-                0,   //priority
-                SigevNotify::SigevNone,
-                LioOpcode::LIO_WRITE
-            ).emplace_mut_slice(
-                f.as_raw_fd(),
-                8,   //offset
-                &mut rbuf,
-                0,   //priority
-                SigevNotify::SigevNone,
-                LioOpcode::LIO_READ
-            ).finish();
-        let err = liocb.listio(LioMode::LIO_WAIT, SigevNotify::SigevNone);
-        err.expect("lio_listio");
-
-        assert_eq!(liocb.aio_return(0).unwrap() as usize, WBUF.len());
-        assert_eq!(liocb.aio_return(1).unwrap() as usize, rlen);
-    }
-    assert_eq!(rbuf.deref().deref(), b"3456");
-
-    f.seek(SeekFrom::Start(0)).unwrap();
-    let len = f.read_to_end(&mut rbuf2).unwrap();
-    assert_eq!(len, EXPECT.len());
-    assert_eq!(rbuf2, EXPECT);
-}
-
-// Test LioCb::listio with LIO_NOWAIT and no SigEvent, so we must use some other
-// mechanism to check for the individual AioCb's completion.
+// Tests using aio_cancel_all for all outstanding IOs.
 #[test]
-#[cfg(not(any(target_os = "ios", target_os = "macos")))]
-#[cfg_attr(all(target_env = "musl", target_arch = "x86_64"), ignore)]
-fn test_liocb_listio_nowait() {
-    const INITIAL: &[u8] = b"abcdef123456";
-    const WBUF: &[u8] = b"CDEF";
-    let mut rbuf = vec![0; 4];
-    let rlen = rbuf.len();
-    let mut rbuf2 = Vec::new();
-    const EXPECT: &[u8] = b"abCDEF123456";
-    let mut f = tempfile().unwrap();
+#[cfg_attr(target_env = "musl", ignore)]
+fn test_aio_cancel_all() {
+    let wbuf: &[u8] = b"CDEF";
 
-    f.write_all(INITIAL).unwrap();
+    let f = tempfile().unwrap();
+    let mut aiocb = Box::pin(AioWrite::new(
+        f.as_raw_fd(),
+        0, //offset
+        wbuf,
+        0, //priority
+        SigevNotify::SigevNone,
+    ));
+    aiocb.as_mut().submit().unwrap();
+    let err = aiocb.as_mut().error();
+    assert!(err == Ok(()) || err == Err(Errno::EINPROGRESS));
 
-    {
-        let mut liocb = LioCbBuilder::with_capacity(2)
-            .emplace_slice(
-                f.as_raw_fd(),
-                2,   //offset
-                WBUF,
-                0,   //priority
-                SigevNotify::SigevNone,
-                LioOpcode::LIO_WRITE
-            ).emplace_mut_slice(
-                f.as_raw_fd(),
-                8,   //offset
-                &mut rbuf,
-                0,   //priority
-                SigevNotify::SigevNone,
-                LioOpcode::LIO_READ
-            ).finish();
-        let err = liocb.listio(LioMode::LIO_NOWAIT, SigevNotify::SigevNone);
-        err.expect("lio_listio");
-
-        poll_lio(&mut liocb, 0).unwrap();
-        poll_lio(&mut liocb, 1).unwrap();
-        assert_eq!(liocb.aio_return(0).unwrap() as usize, WBUF.len());
-        assert_eq!(liocb.aio_return(1).unwrap() as usize, rlen);
-    }
-    assert_eq!(rbuf.deref().deref(), b"3456");
+    aio_cancel_all(f.as_raw_fd()).unwrap();
 
-    f.seek(SeekFrom::Start(0)).unwrap();
-    let len = f.read_to_end(&mut rbuf2).unwrap();
-    assert_eq!(len, EXPECT.len());
-    assert_eq!(rbuf2, EXPECT);
+    // Wait for aiocb to complete, but don't care whether it succeeded
+    let _ = poll_aio!(&mut aiocb);
+    let _ = aiocb.as_mut().aio_return();
 }
 
-// Test LioCb::listio with LIO_NOWAIT and a SigEvent to indicate when all
-// AioCb's are complete.
-// FIXME: This test is ignored on mips/mips64 because of failures in qemu in CI.
 #[test]
-#[cfg(not(any(target_os = "ios", target_os = "macos")))]
-#[cfg_attr(any(target_arch = "mips", target_arch = "mips64", target_env = "musl"), ignore)]
-fn test_liocb_listio_signal() {
-    let _m = crate::SIGNAL_MTX.lock();
+// On Cirrus on Linux, this test fails due to a glibc bug.
+// https://github.com/nix-rust/nix/issues/1099
+#[cfg_attr(target_os = "linux", ignore)]
+// On Cirrus, aio_suspend is failing with EINVAL
+// https://github.com/nix-rust/nix/issues/1361
+#[cfg_attr(target_os = "macos", ignore)]
+fn test_aio_suspend() {
     const INITIAL: &[u8] = b"abcdef123456";
-    const WBUF: &[u8] = b"CDEF";
+    const WBUF: &[u8] = b"CDEFG";
+    let timeout = TimeSpec::seconds(10);
     let mut rbuf = vec![0; 4];
     let rlen = rbuf.len();
-    let mut rbuf2 = Vec::new();
-    const EXPECT: &[u8] = b"abCDEF123456";
     let mut f = tempfile().unwrap();
-    let sa = SigAction::new(SigHandler::Handler(sigfunc),
-                            SaFlags::SA_RESETHAND,
-                            SigSet::empty());
-    let sigev_notify = SigevNotify::SigevSignal { signal: Signal::SIGUSR2,
-                                                  si_value: 0 };
-
     f.write_all(INITIAL).unwrap();
 
-    {
-        let mut liocb = LioCbBuilder::with_capacity(2)
-            .emplace_slice(
-                f.as_raw_fd(),
-                2,   //offset
-                WBUF,
-                0,   //priority
-                SigevNotify::SigevNone,
-                LioOpcode::LIO_WRITE
-            ).emplace_mut_slice(
-                f.as_raw_fd(),
-                8,   //offset
-                &mut rbuf,
-                0,   //priority
-                SigevNotify::SigevNone,
-                LioOpcode::LIO_READ
-            ).finish();
-        SIGNALED.store(false, Ordering::Relaxed);
-        unsafe { sigaction(Signal::SIGUSR2, &sa) }.unwrap();
-        let err = liocb.listio(LioMode::LIO_NOWAIT, sigev_notify);
-        err.expect("lio_listio");
-        while !SIGNALED.load(Ordering::Relaxed) {
-            thread::sleep(time::Duration::from_millis(10));
+    let mut wcb = Box::pin(AioWrite::new(
+        f.as_raw_fd(),
+        2, //offset
+        WBUF,
+        0, //priority
+        SigevNotify::SigevNone,
+    ));
+
+    let mut rcb = Box::pin(AioRead::new(
+        f.as_raw_fd(),
+        8, //offset
+        &mut rbuf,
+        0, //priority
+        SigevNotify::SigevNone,
+    ));
+    wcb.as_mut().submit().unwrap();
+    rcb.as_mut().submit().unwrap();
+    loop {
+        {
+            let cbbuf = [
+                &*wcb as &dyn AsRef<libc::aiocb>,
+                &*rcb as &dyn AsRef<libc::aiocb>,
+            ];
+            let r = aio_suspend(&cbbuf[..], Some(timeout));
+            match r {
+                Err(Errno::EINTR) => continue,
+                Err(e) => panic!("aio_suspend returned {:?}", e),
+                Ok(_) => (),
+            };
+        }
+        if rcb.as_mut().error() != Err(Errno::EINPROGRESS)
+            && wcb.as_mut().error() != Err(Errno::EINPROGRESS)
+        {
+            break;
         }
-
-        assert_eq!(liocb.aio_return(0).unwrap() as usize, WBUF.len());
-        assert_eq!(liocb.aio_return(1).unwrap() as usize, rlen);
     }
-    assert_eq!(rbuf.deref().deref(), b"3456");
-
-    f.seek(SeekFrom::Start(0)).unwrap();
-    let len = f.read_to_end(&mut rbuf2).unwrap();
-    assert_eq!(len, EXPECT.len());
-    assert_eq!(rbuf2, EXPECT);
-}
 
-// Try to use LioCb::listio to read into an immutable buffer.  It should fail
-// FIXME: This test fails to panic on Linux/musl
-#[test]
-#[cfg(not(any(target_os = "ios", target_os = "macos")))]
-#[should_panic(expected = "Can't read into an immutable buffer")]
-#[cfg_attr(target_env = "musl", ignore)]
-fn test_liocb_listio_read_immutable() {
-    let rbuf: &[u8] = b"abcd";
-    let f = tempfile().unwrap();
-
-
-    let mut liocb = LioCbBuilder::with_capacity(1)
-        .emplace_slice(
-            f.as_raw_fd(),
-            2,   //offset
-            rbuf,
-            0,   //priority
-            SigevNotify::SigevNone,
-            LioOpcode::LIO_READ
-        ).finish();
-    let _ = liocb.listio(LioMode::LIO_NOWAIT, SigevNotify::SigevNone);
+    assert_eq!(wcb.as_mut().aio_return().unwrap(), WBUF.len());
+    assert_eq!(rcb.as_mut().aio_return().unwrap(), rlen);
 }
diff --git a/bash-5.1/vendor/nix/test/sys/test_aio_drop.rs b/bash-5.1/vendor/nix/test/sys/test_aio_drop.rs
index f9ff97af6ced1d0ad9ab66daa78f4269e15611ba..bbe6623fd77a06a9c37f9f9352163cd92e547abb 100644
--- a/bash-5.1/vendor/nix/test/sys/test_aio_drop.rs
+++ b/bash-5.1/vendor/nix/test/sys/test_aio_drop.rs
@@ -3,13 +3,17 @@
 // the AIO subsystem and causes subsequent tests to fail
 #[test]
 #[should_panic(expected = "Dropped an in-progress AioCb")]
-#[cfg(all(not(target_env = "musl"),
-          not(target_env = "uclibc"),
-          any(target_os = "linux",
-              target_os = "ios",
-              target_os = "macos",
-              target_os = "freebsd",
-              target_os = "netbsd")))]
+#[cfg(all(
+    not(target_env = "musl"),
+    not(target_env = "uclibc"),
+    any(
+        target_os = "linux",
+        target_os = "ios",
+        target_os = "macos",
+        target_os = "freebsd",
+        target_os = "netbsd"
+    )
+))]
 fn test_drop() {
     use nix::sys::aio::*;
     use nix::sys::signal::*;
@@ -20,11 +24,12 @@ fn test_drop() {
 
     let f = tempfile().unwrap();
     f.set_len(6).unwrap();
-    let mut aiocb = AioCb::from_slice( f.as_raw_fd(),
-                           2,   //offset
-                           WBUF,
-                           0,   //priority
-                           SigevNotify::SigevNone,
-                           LioOpcode::LIO_NOP);
-    aiocb.write().unwrap();
+    let mut aiocb = Box::pin(AioWrite::new(
+        f.as_raw_fd(),
+        2, //offset
+        WBUF,
+        0, //priority
+        SigevNotify::SigevNone,
+    ));
+    aiocb.as_mut().submit().unwrap();
 }
diff --git a/bash-5.1/vendor/nix/test/sys/test_epoll.rs b/bash-5.1/vendor/nix/test/sys/test_epoll.rs
index 8d44cd08f01c9be80e9c75dbecb5b85814ab083c..915691595c4f6aa1f962f4f13e54ba5235c07444 100644
--- a/bash-5.1/vendor/nix/test/sys/test_epoll.rs
+++ b/bash-5.1/vendor/nix/test/sys/test_epoll.rs
@@ -1,23 +1,24 @@
-use nix::sys::epoll::{EpollCreateFlags, EpollFlags, EpollOp, EpollEvent};
-use nix::sys::epoll::{epoll_create1, epoll_ctl};
 use nix::errno::Errno;
+use nix::sys::epoll::{epoll_create1, epoll_ctl};
+use nix::sys::epoll::{EpollCreateFlags, EpollEvent, EpollFlags, EpollOp};
 
 #[test]
 pub fn test_epoll_errno() {
     let efd = epoll_create1(EpollCreateFlags::empty()).unwrap();
     let result = epoll_ctl(efd, EpollOp::EpollCtlDel, 1, None);
-    assert!(result.is_err());
+    result.expect_err("assertion failed");
     assert_eq!(result.unwrap_err(), Errno::ENOENT);
 
     let result = epoll_ctl(efd, EpollOp::EpollCtlAdd, 1, None);
-    assert!(result.is_err());
+    result.expect_err("assertion failed");
     assert_eq!(result.unwrap_err(), Errno::EINVAL);
 }
 
 #[test]
 pub fn test_epoll_ctl() {
     let efd = epoll_create1(EpollCreateFlags::empty()).unwrap();
-    let mut event = EpollEvent::new(EpollFlags::EPOLLIN | EpollFlags::EPOLLERR, 1);
+    let mut event =
+        EpollEvent::new(EpollFlags::EPOLLIN | EpollFlags::EPOLLERR, 1);
     epoll_ctl(efd, EpollOp::EpollCtlAdd, 1, &mut event).unwrap();
     epoll_ctl(efd, EpollOp::EpollCtlDel, 1, None).unwrap();
 }
diff --git a/bash-5.1/vendor/nix/test/sys/test_inotify.rs b/bash-5.1/vendor/nix/test/sys/test_inotify.rs
index 137816a352086cfc17f7d3711fbfb4dd4c5a5361..bb5851a903c54f2ada91a54a4ab4ca463f8192d4 100644
--- a/bash-5.1/vendor/nix/test/sys/test_inotify.rs
+++ b/bash-5.1/vendor/nix/test/sys/test_inotify.rs
@@ -1,15 +1,16 @@
-use nix::sys::inotify::{AddWatchFlags,InitFlags,Inotify};
 use nix::errno::Errno;
+use nix::sys::inotify::{AddWatchFlags, InitFlags, Inotify};
 use std::ffi::OsString;
 use std::fs::{rename, File};
 
 #[test]
 pub fn test_inotify() {
-    let instance = Inotify::init(InitFlags::IN_NONBLOCK)
-        .unwrap();
+    let instance = Inotify::init(InitFlags::IN_NONBLOCK).unwrap();
     let tempdir = tempfile::tempdir().unwrap();
 
-    instance.add_watch(tempdir.path(), AddWatchFlags::IN_ALL_EVENTS).unwrap();
+    instance
+        .add_watch(tempdir.path(), AddWatchFlags::IN_ALL_EVENTS)
+        .unwrap();
 
     let events = instance.read_events();
     assert_eq!(events.unwrap_err(), Errno::EAGAIN);
@@ -22,11 +23,12 @@ pub fn test_inotify() {
 
 #[test]
 pub fn test_inotify_multi_events() {
-    let instance = Inotify::init(InitFlags::IN_NONBLOCK)
-        .unwrap();
+    let instance = Inotify::init(InitFlags::IN_NONBLOCK).unwrap();
     let tempdir = tempfile::tempdir().unwrap();
 
-    instance.add_watch(tempdir.path(), AddWatchFlags::IN_ALL_EVENTS).unwrap();
+    instance
+        .add_watch(tempdir.path(), AddWatchFlags::IN_ALL_EVENTS)
+        .unwrap();
 
     let events = instance.read_events();
     assert_eq!(events.unwrap_err(), Errno::EAGAIN);
diff --git a/bash-5.1/vendor/nix/test/sys/test_ioctl.rs b/bash-5.1/vendor/nix/test/sys/test_ioctl.rs
index 236d24268a738493ca5229e3109e9cb82a4129a6..7a603c5bbae3b8a2da228267cfcc753cdd37a078 100644
--- a/bash-5.1/vendor/nix/test/sys/test_ioctl.rs
+++ b/bash-5.1/vendor/nix/test/sys/test_ioctl.rs
@@ -32,7 +32,12 @@ ioctl_readwrite_buf!(readwritebuf_test, 0, 0, u32);
 mod linux {
     #[test]
     fn test_op_none() {
-        if cfg!(any(target_arch = "mips", target_arch = "mips64", target_arch="powerpc", target_arch="powerpc64")){
+        if cfg!(any(
+            target_arch = "mips",
+            target_arch = "mips64",
+            target_arch = "powerpc",
+            target_arch = "powerpc64"
+        )) {
             assert_eq!(request_code_none!(b'q', 10) as u32, 0x2000_710A);
             assert_eq!(request_code_none!(b'a', 255) as u32, 0x2000_61FF);
         } else {
@@ -43,7 +48,12 @@ mod linux {
 
     #[test]
     fn test_op_write() {
-        if cfg!(any(target_arch = "mips", target_arch = "mips64", target_arch="powerpc", target_arch="powerpc64")){
+        if cfg!(any(
+            target_arch = "mips",
+            target_arch = "mips64",
+            target_arch = "powerpc",
+            target_arch = "powerpc64"
+        )) {
             assert_eq!(request_code_write!(b'z', 10, 1) as u32, 0x8001_7A0A);
             assert_eq!(request_code_write!(b'z', 10, 512) as u32, 0x8200_7A0A);
         } else {
@@ -55,19 +65,27 @@ mod linux {
     #[cfg(target_pointer_width = "64")]
     #[test]
     fn test_op_write_64() {
-        if cfg!(any(target_arch = "mips64", target_arch="powerpc64")){
-            assert_eq!(request_code_write!(b'z', 10, 1u64 << 32) as u32,
-                       0x8000_7A0A);
+        if cfg!(any(target_arch = "mips64", target_arch = "powerpc64")) {
+            assert_eq!(
+                request_code_write!(b'z', 10, 1u64 << 32) as u32,
+                0x8000_7A0A
+            );
         } else {
-            assert_eq!(request_code_write!(b'z', 10, 1u64 << 32) as u32,
-                       0x4000_7A0A);
+            assert_eq!(
+                request_code_write!(b'z', 10, 1u64 << 32) as u32,
+                0x4000_7A0A
+            );
         }
-
     }
 
     #[test]
     fn test_op_read() {
-        if cfg!(any(target_arch = "mips", target_arch = "mips64", target_arch="powerpc", target_arch="powerpc64")){
+        if cfg!(any(
+            target_arch = "mips",
+            target_arch = "mips64",
+            target_arch = "powerpc",
+            target_arch = "powerpc64"
+        )) {
             assert_eq!(request_code_read!(b'z', 10, 1) as u32, 0x4001_7A0A);
             assert_eq!(request_code_read!(b'z', 10, 512) as u32, 0x4200_7A0A);
         } else {
@@ -79,12 +97,16 @@ mod linux {
     #[cfg(target_pointer_width = "64")]
     #[test]
     fn test_op_read_64() {
-        if cfg!(any(target_arch = "mips64", target_arch="powerpc64")){
-            assert_eq!(request_code_read!(b'z', 10, 1u64 << 32) as u32,
-                       0x4000_7A0A);
+        if cfg!(any(target_arch = "mips64", target_arch = "powerpc64")) {
+            assert_eq!(
+                request_code_read!(b'z', 10, 1u64 << 32) as u32,
+                0x4000_7A0A
+            );
         } else {
-            assert_eq!(request_code_read!(b'z', 10, 1u64 << 32) as u32,
-                       0x8000_7A0A);
+            assert_eq!(
+                request_code_read!(b'z', 10, 1u64 << 32) as u32,
+                0x8000_7A0A
+            );
         }
     }
 
@@ -97,17 +119,21 @@ mod linux {
     #[cfg(target_pointer_width = "64")]
     #[test]
     fn test_op_read_write_64() {
-        assert_eq!(request_code_readwrite!(b'z', 10, 1u64 << 32) as u32,
-                   0xC000_7A0A);
+        assert_eq!(
+            request_code_readwrite!(b'z', 10, 1u64 << 32) as u32,
+            0xC000_7A0A
+        );
     }
 }
 
-#[cfg(any(target_os = "dragonfly",
-          target_os = "freebsd",
-          target_os = "ios",
-          target_os = "macos",
-          target_os = "netbsd",
-          target_os = "openbsd"))]
+#[cfg(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd"
+))]
 mod bsd {
     #[test]
     fn test_op_none() {
@@ -164,8 +190,8 @@ mod linux_ioctls {
     use std::mem;
     use std::os::unix::io::AsRawFd;
 
+    use libc::{termios, TCGETS, TCSBRK, TCSETS, TIOCNXCL};
     use tempfile::tempfile;
-    use libc::{TCGETS, TCSBRK, TCSETS, TIOCNXCL, termios};
 
     use nix::errno::Errno;
 
@@ -255,7 +281,7 @@ mod linux_ioctls {
     }
 
     // From linux/videodev2.h
-    ioctl_readwrite!(enum_audio,  b'V', 65, v4l2_audio);
+    ioctl_readwrite!(enum_audio, b'V', 65, v4l2_audio);
     #[test]
     fn test_ioctl_readwrite() {
         let file = tempfile().unwrap();
@@ -281,7 +307,12 @@ mod linux_ioctls {
     }
 
     // From linux/spi/spidev.h
-    ioctl_write_buf!(spi_ioc_message, super::SPI_IOC_MAGIC, super::SPI_IOC_MESSAGE, spi_ioc_transfer);
+    ioctl_write_buf!(
+        spi_ioc_message,
+        super::SPI_IOC_MAGIC,
+        super::SPI_IOC_MESSAGE,
+        spi_ioc_transfer
+    );
     #[test]
     fn test_ioctl_write_buf() {
         let file = tempfile().unwrap();
@@ -298,8 +329,8 @@ mod freebsd_ioctls {
     use std::mem;
     use std::os::unix::io::AsRawFd;
 
-    use tempfile::tempfile;
     use libc::termios;
+    use tempfile::tempfile;
 
     use nix::errno::Errno;
 
diff --git a/bash-5.1/vendor/nix/test/sys/test_mman.rs b/bash-5.1/vendor/nix/test/sys/test_mman.rs
index 8858375a3c721832e19bdb40f70e9ba5cfd03f51..75cbf6ce8cdabf57e0a5755e196c5c28f59f3611 100644
--- a/bash-5.1/vendor/nix/test/sys/test_mman.rs
+++ b/bash-5.1/vendor/nix/test/sys/test_mman.rs
@@ -3,53 +3,73 @@ use nix::sys::mman::{mmap, MapFlags, ProtFlags};
 #[test]
 fn test_mmap_anonymous() {
     unsafe {
-        let ptr = mmap(std::ptr::null_mut(), 1,
-                       ProtFlags::PROT_READ | ProtFlags::PROT_WRITE,
-                       MapFlags::MAP_PRIVATE | MapFlags::MAP_ANONYMOUS, -1, 0)
-                      .unwrap() as *mut u8;
-        assert_eq !(*ptr, 0x00u8);
+        let ptr = mmap(
+            std::ptr::null_mut(),
+            1,
+            ProtFlags::PROT_READ | ProtFlags::PROT_WRITE,
+            MapFlags::MAP_PRIVATE | MapFlags::MAP_ANONYMOUS,
+            -1,
+            0,
+        )
+        .unwrap() as *mut u8;
+        assert_eq!(*ptr, 0x00u8);
         *ptr = 0xffu8;
-        assert_eq !(*ptr, 0xffu8);
+        assert_eq!(*ptr, 0xffu8);
     }
 }
 
 #[test]
 #[cfg(any(target_os = "linux", target_os = "netbsd"))]
 fn test_mremap_grow() {
-    use nix::sys::mman::{mremap, MRemapFlags};
     use nix::libc::{c_void, size_t};
+    use nix::sys::mman::{mremap, MRemapFlags};
 
-    const ONE_K : size_t = 1024;
-    let slice : &mut[u8] = unsafe {
-        let mem = mmap(std::ptr::null_mut(), ONE_K,
-                       ProtFlags::PROT_READ | ProtFlags::PROT_WRITE,
-                       MapFlags::MAP_ANONYMOUS | MapFlags::MAP_PRIVATE, -1, 0)
-                      .unwrap();
-        std::slice::from_raw_parts_mut(mem as * mut u8, ONE_K)
+    const ONE_K: size_t = 1024;
+    let slice: &mut [u8] = unsafe {
+        let mem = mmap(
+            std::ptr::null_mut(),
+            ONE_K,
+            ProtFlags::PROT_READ | ProtFlags::PROT_WRITE,
+            MapFlags::MAP_ANONYMOUS | MapFlags::MAP_PRIVATE,
+            -1,
+            0,
+        )
+        .unwrap();
+        std::slice::from_raw_parts_mut(mem as *mut u8, ONE_K)
     };
-    assert_eq !(slice[ONE_K - 1], 0x00);
+    assert_eq!(slice[ONE_K - 1], 0x00);
     slice[ONE_K - 1] = 0xFF;
-    assert_eq !(slice[ONE_K - 1], 0xFF);
+    assert_eq!(slice[ONE_K - 1], 0xFF);
 
-    let slice : &mut[u8] = unsafe {
+    let slice: &mut [u8] = unsafe {
         #[cfg(target_os = "linux")]
-        let mem = mremap(slice.as_mut_ptr() as * mut c_void, ONE_K, 10 * ONE_K,
-                         MRemapFlags::MREMAP_MAYMOVE, None)
-                      .unwrap();
+        let mem = mremap(
+            slice.as_mut_ptr() as *mut c_void,
+            ONE_K,
+            10 * ONE_K,
+            MRemapFlags::MREMAP_MAYMOVE,
+            None,
+        )
+        .unwrap();
         #[cfg(target_os = "netbsd")]
-        let mem = mremap(slice.as_mut_ptr() as * mut c_void, ONE_K, 10 * ONE_K,
-                         MRemapFlags::MAP_REMAPDUP, None)
-                      .unwrap();
-        std::slice::from_raw_parts_mut(mem as * mut u8, 10 * ONE_K)
+        let mem = mremap(
+            slice.as_mut_ptr() as *mut c_void,
+            ONE_K,
+            10 * ONE_K,
+            MRemapFlags::MAP_REMAPDUP,
+            None,
+        )
+        .unwrap();
+        std::slice::from_raw_parts_mut(mem as *mut u8, 10 * ONE_K)
     };
 
     // The first KB should still have the old data in it.
-    assert_eq !(slice[ONE_K - 1], 0xFF);
+    assert_eq!(slice[ONE_K - 1], 0xFF);
 
     // The additional range should be zero-init'd and accessible.
-    assert_eq !(slice[10 * ONE_K - 1], 0x00);
+    assert_eq!(slice[10 * ONE_K - 1], 0x00);
     slice[10 * ONE_K - 1] = 0xFF;
-    assert_eq !(slice[10 * ONE_K - 1], 0xFF);
+    assert_eq!(slice[10 * ONE_K - 1], 0xFF);
 }
 
 #[test]
@@ -57,31 +77,41 @@ fn test_mremap_grow() {
 // Segfaults for unknown reasons under QEMU for 32-bit targets
 #[cfg_attr(all(target_pointer_width = "32", qemu), ignore)]
 fn test_mremap_shrink() {
-    use nix::sys::mman::{mremap, MRemapFlags};
     use nix::libc::{c_void, size_t};
+    use nix::sys::mman::{mremap, MRemapFlags};
 
-    const ONE_K : size_t = 1024;
-    let slice : &mut[u8] = unsafe {
-        let mem = mmap(std::ptr::null_mut(), 10 * ONE_K,
-                       ProtFlags::PROT_READ | ProtFlags::PROT_WRITE,
-                       MapFlags::MAP_ANONYMOUS | MapFlags::MAP_PRIVATE, -1, 0)
-                      .unwrap();
-        std::slice::from_raw_parts_mut(mem as * mut u8, ONE_K)
+    const ONE_K: size_t = 1024;
+    let slice: &mut [u8] = unsafe {
+        let mem = mmap(
+            std::ptr::null_mut(),
+            10 * ONE_K,
+            ProtFlags::PROT_READ | ProtFlags::PROT_WRITE,
+            MapFlags::MAP_ANONYMOUS | MapFlags::MAP_PRIVATE,
+            -1,
+            0,
+        )
+        .unwrap();
+        std::slice::from_raw_parts_mut(mem as *mut u8, ONE_K)
     };
-    assert_eq !(slice[ONE_K - 1], 0x00);
+    assert_eq!(slice[ONE_K - 1], 0x00);
     slice[ONE_K - 1] = 0xFF;
-    assert_eq !(slice[ONE_K - 1], 0xFF);
+    assert_eq!(slice[ONE_K - 1], 0xFF);
 
-    let slice : &mut[u8] = unsafe {
-        let mem = mremap(slice.as_mut_ptr() as * mut c_void, 10 * ONE_K, ONE_K,
-                         MRemapFlags::empty(), None)
-                      .unwrap();
+    let slice: &mut [u8] = unsafe {
+        let mem = mremap(
+            slice.as_mut_ptr() as *mut c_void,
+            10 * ONE_K,
+            ONE_K,
+            MRemapFlags::empty(),
+            None,
+        )
+        .unwrap();
         // Since we didn't supply MREMAP_MAYMOVE, the address should be the
         // same.
-        assert_eq !(mem, slice.as_mut_ptr() as * mut c_void);
-        std::slice::from_raw_parts_mut(mem as * mut u8, ONE_K)
+        assert_eq!(mem, slice.as_mut_ptr() as *mut c_void);
+        std::slice::from_raw_parts_mut(mem as *mut u8, ONE_K)
     };
 
     // The first KB should still be accessible and have the old data in it.
-    assert_eq !(slice[ONE_K - 1], 0xFF);
+    assert_eq!(slice[ONE_K - 1], 0xFF);
 }
diff --git a/bash-5.1/vendor/nix/test/sys/test_pthread.rs b/bash-5.1/vendor/nix/test/sys/test_pthread.rs
index fa9b510e8532e64a3f7335e850bdb4b6c7fd353e..ce048bae6019a3e6402e0e19c3a197ea8f6abdf9 100644
--- a/bash-5.1/vendor/nix/test/sys/test_pthread.rs
+++ b/bash-5.1/vendor/nix/test/sys/test_pthread.rs
@@ -4,14 +4,14 @@ use nix::sys::pthread::*;
 #[test]
 fn test_pthread_self() {
     let tid = pthread_self();
-    assert!(tid != ::std::ptr::null_mut());
+    assert!(!tid.is_null());
 }
 
 #[cfg(not(any(target_env = "musl", target_os = "redox")))]
 #[test]
 fn test_pthread_self() {
     let tid = pthread_self();
-    assert!(tid != 0);
+    assert_ne!(tid, 0);
 }
 
 #[test]
diff --git a/bash-5.1/vendor/nix/test/sys/test_ptrace.rs b/bash-5.1/vendor/nix/test/sys/test_ptrace.rs
index 89c4e2ddad2c9b67182eb1df3322ca0698daab6e..530560fe175d815a3a288e366b05f9ad3e5cfa37 100644
--- a/bash-5.1/vendor/nix/test/sys/test_ptrace.rs
+++ b/bash-5.1/vendor/nix/test/sys/test_ptrace.rs
@@ -1,8 +1,14 @@
+#[cfg(all(
+    target_os = "linux",
+    any(target_arch = "x86_64", target_arch = "x86"),
+    target_env = "gnu"
+))]
+use memoffset::offset_of;
 use nix::errno::Errno;
-use nix::unistd::getpid;
 use nix::sys::ptrace;
 #[cfg(any(target_os = "android", target_os = "linux"))]
 use nix::sys::ptrace::Options;
+use nix::unistd::getpid;
 
 #[cfg(any(target_os = "android", target_os = "linux"))]
 use std::mem;
@@ -15,8 +21,9 @@ fn test_ptrace() {
     // FIXME: qemu-user doesn't implement ptrace on all arches, so permit ENOSYS
     require_capability!("test_ptrace", CAP_SYS_PTRACE);
     let err = ptrace::attach(getpid()).unwrap_err();
-    assert!(err == Errno::EPERM || err == Errno::EINVAL ||
-            err == Errno::ENOSYS);
+    assert!(
+        err == Errno::EPERM || err == Errno::EINVAL || err == Errno::ENOSYS
+    );
 }
 
 // Just make sure ptrace_setoptions can be called at all, for now.
@@ -24,8 +31,9 @@ fn test_ptrace() {
 #[cfg(any(target_os = "android", target_os = "linux"))]
 fn test_ptrace_setoptions() {
     require_capability!("test_ptrace_setoptions", CAP_SYS_PTRACE);
-    let err = ptrace::setoptions(getpid(), Options::PTRACE_O_TRACESYSGOOD).unwrap_err();
-    assert!(err != Errno::EOPNOTSUPP);
+    let err = ptrace::setoptions(getpid(), Options::PTRACE_O_TRACESYSGOOD)
+        .unwrap_err();
+    assert_ne!(err, Errno::EOPNOTSUPP);
 }
 
 // Just make sure ptrace_getevent can be called at all, for now.
@@ -34,7 +42,7 @@ fn test_ptrace_setoptions() {
 fn test_ptrace_getevent() {
     require_capability!("test_ptrace_getevent", CAP_SYS_PTRACE);
     let err = ptrace::getevent(getpid()).unwrap_err();
-    assert!(err != Errno::EOPNOTSUPP);
+    assert_ne!(err, Errno::EOPNOTSUPP);
 }
 
 // Just make sure ptrace_getsiginfo can be called at all, for now.
@@ -58,7 +66,6 @@ fn test_ptrace_setsiginfo() {
     }
 }
 
-
 #[test]
 fn test_ptrace_cont() {
     use nix::sys::ptrace;
@@ -82,7 +89,7 @@ fn test_ptrace_cont() {
         return;
     }
 
-    match unsafe{fork()}.expect("Error: Fork Failed") {
+    match unsafe { fork() }.expect("Error: Fork Failed") {
         Child => {
             ptrace::traceme().unwrap();
             // As recommended by ptrace(2), raise SIGTRAP to pause the child
@@ -90,15 +97,22 @@ fn test_ptrace_cont() {
             loop {
                 raise(Signal::SIGTRAP).unwrap();
             }
-
-        },
+        }
         Parent { child } => {
-            assert_eq!(waitpid(child, None), Ok(WaitStatus::Stopped(child, Signal::SIGTRAP)));
+            assert_eq!(
+                waitpid(child, None),
+                Ok(WaitStatus::Stopped(child, Signal::SIGTRAP))
+            );
             ptrace::cont(child, None).unwrap();
-            assert_eq!(waitpid(child, None), Ok(WaitStatus::Stopped(child, Signal::SIGTRAP)));
+            assert_eq!(
+                waitpid(child, None),
+                Ok(WaitStatus::Stopped(child, Signal::SIGTRAP))
+            );
             ptrace::cont(child, Some(Signal::SIGKILL)).unwrap();
             match waitpid(child, None) {
-                Ok(WaitStatus::Signaled(pid, Signal::SIGKILL, _)) if pid == child => {
+                Ok(WaitStatus::Signaled(pid, Signal::SIGKILL, _))
+                    if pid == child =>
+                {
                     // FIXME It's been observed on some systems (apple) the
                     // tracee may not be killed but remain as a zombie process
                     // affecting other wait based tests. Add an extra kill just
@@ -110,7 +124,7 @@ fn test_ptrace_cont() {
                 }
                 _ => panic!("The process should have been killed"),
             }
-        },
+        }
     }
 }
 
@@ -129,22 +143,28 @@ fn test_ptrace_interrupt() {
 
     let _m = crate::FORK_MTX.lock();
 
-    match unsafe{fork()}.expect("Error: Fork Failed") {
-        Child => {
-            loop {
-                sleep(Duration::from_millis(1000));
-            }
-
+    match unsafe { fork() }.expect("Error: Fork Failed") {
+        Child => loop {
+            sleep(Duration::from_millis(1000));
         },
         Parent { child } => {
-            ptrace::seize(child, ptrace::Options::PTRACE_O_TRACESYSGOOD).unwrap();
+            ptrace::seize(child, ptrace::Options::PTRACE_O_TRACESYSGOOD)
+                .unwrap();
             ptrace::interrupt(child).unwrap();
-            assert_eq!(waitpid(child, None), Ok(WaitStatus::PtraceEvent(child, Signal::SIGTRAP, 128)));
+            assert_eq!(
+                waitpid(child, None),
+                Ok(WaitStatus::PtraceEvent(child, Signal::SIGTRAP, 128))
+            );
             ptrace::syscall(child, None).unwrap();
-            assert_eq!(waitpid(child, None), Ok(WaitStatus::PtraceSyscall(child)));
+            assert_eq!(
+                waitpid(child, None),
+                Ok(WaitStatus::PtraceSyscall(child))
+            );
             ptrace::detach(child, Some(Signal::SIGKILL)).unwrap();
             match waitpid(child, None) {
-                Ok(WaitStatus::Signaled(pid, Signal::SIGKILL, _)) if pid == child => {
+                Ok(WaitStatus::Signaled(pid, Signal::SIGKILL, _))
+                    if pid == child =>
+                {
                     let _ = waitpid(child, Some(WaitPidFlag::WNOHANG));
                     while ptrace::cont(child, Some(Signal::SIGKILL)).is_ok() {
                         let _ = waitpid(child, Some(WaitPidFlag::WNOHANG));
@@ -152,19 +172,20 @@ fn test_ptrace_interrupt() {
                 }
                 _ => panic!("The process should have been killed"),
             }
-        },
+        }
     }
 }
 
 // ptrace::{setoptions, getregs} are only available in these platforms
-#[cfg(all(target_os = "linux",
-          any(target_arch = "x86_64",
-              target_arch = "x86"),
-          target_env = "gnu"))]
+#[cfg(all(
+    target_os = "linux",
+    any(target_arch = "x86_64", target_arch = "x86"),
+    target_env = "gnu"
+))]
 #[test]
 fn test_ptrace_syscall() {
-    use nix::sys::signal::kill;
     use nix::sys::ptrace;
+    use nix::sys::signal::kill;
     use nix::sys::signal::Signal;
     use nix::sys::wait::{waitpid, WaitStatus};
     use nix::unistd::fork;
@@ -175,45 +196,80 @@ fn test_ptrace_syscall() {
 
     let _m = crate::FORK_MTX.lock();
 
-    match unsafe{fork()}.expect("Error: Fork Failed") {
+    match unsafe { fork() }.expect("Error: Fork Failed") {
         Child => {
             ptrace::traceme().unwrap();
             // first sigstop until parent is ready to continue
             let pid = getpid();
             kill(pid, Signal::SIGSTOP).unwrap();
             kill(pid, Signal::SIGTERM).unwrap();
-            unsafe { ::libc::_exit(0); }
-        },
+            unsafe {
+                ::libc::_exit(0);
+            }
+        }
 
         Parent { child } => {
-            assert_eq!(waitpid(child, None), Ok(WaitStatus::Stopped(child, Signal::SIGSTOP)));
+            assert_eq!(
+                waitpid(child, None),
+                Ok(WaitStatus::Stopped(child, Signal::SIGSTOP))
+            );
 
             // set this option to recognize syscall-stops
-            ptrace::setoptions(child, ptrace::Options::PTRACE_O_TRACESYSGOOD).unwrap();
+            ptrace::setoptions(child, ptrace::Options::PTRACE_O_TRACESYSGOOD)
+                .unwrap();
 
             #[cfg(target_arch = "x86_64")]
-            let get_syscall_id = || ptrace::getregs(child).unwrap().orig_rax as libc::c_long;
+            let get_syscall_id =
+                || ptrace::getregs(child).unwrap().orig_rax as libc::c_long;
 
             #[cfg(target_arch = "x86")]
-            let get_syscall_id = || ptrace::getregs(child).unwrap().orig_eax as libc::c_long;
+            let get_syscall_id =
+                || ptrace::getregs(child).unwrap().orig_eax as libc::c_long;
+
+            // this duplicates `get_syscall_id` for the purpose of testing `ptrace::read_user`.
+            #[cfg(target_arch = "x86_64")]
+            let rax_offset = offset_of!(libc::user_regs_struct, orig_rax);
+            #[cfg(target_arch = "x86")]
+            let rax_offset = offset_of!(libc::user_regs_struct, orig_eax);
+
+            let get_syscall_from_user_area = || {
+                // Find the offset of `user.regs.rax` (or `user.regs.eax` for x86)
+                let rax_offset = offset_of!(libc::user, regs) + rax_offset;
+                ptrace::read_user(child, rax_offset as _).unwrap()
+                    as libc::c_long
+            };
 
             // kill entry
             ptrace::syscall(child, None).unwrap();
-            assert_eq!(waitpid(child, None), Ok(WaitStatus::PtraceSyscall(child)));
+            assert_eq!(
+                waitpid(child, None),
+                Ok(WaitStatus::PtraceSyscall(child))
+            );
             assert_eq!(get_syscall_id(), ::libc::SYS_kill);
+            assert_eq!(get_syscall_from_user_area(), ::libc::SYS_kill);
 
             // kill exit
             ptrace::syscall(child, None).unwrap();
-            assert_eq!(waitpid(child, None), Ok(WaitStatus::PtraceSyscall(child)));
+            assert_eq!(
+                waitpid(child, None),
+                Ok(WaitStatus::PtraceSyscall(child))
+            );
             assert_eq!(get_syscall_id(), ::libc::SYS_kill);
+            assert_eq!(get_syscall_from_user_area(), ::libc::SYS_kill);
 
             // receive signal
             ptrace::syscall(child, None).unwrap();
-            assert_eq!(waitpid(child, None), Ok(WaitStatus::Stopped(child, Signal::SIGTERM)));
+            assert_eq!(
+                waitpid(child, None),
+                Ok(WaitStatus::Stopped(child, Signal::SIGTERM))
+            );
 
             // inject signal
             ptrace::syscall(child, Signal::SIGTERM).unwrap();
-            assert_eq!(waitpid(child, None), Ok(WaitStatus::Signaled(child, Signal::SIGTERM, false)));
-        },
+            assert_eq!(
+                waitpid(child, None),
+                Ok(WaitStatus::Signaled(child, Signal::SIGTERM, false))
+            );
+        }
     }
 }
diff --git a/bash-5.1/vendor/nix/test/sys/test_select.rs b/bash-5.1/vendor/nix/test/sys/test_select.rs
index 2f7396b1895e5bcddbd14dfd82a7775b45545285..40bda4d90accabc03854b3d476525fa520b7bb94 100644
--- a/bash-5.1/vendor/nix/test/sys/test_select.rs
+++ b/bash-5.1/vendor/nix/test/sys/test_select.rs
@@ -1,7 +1,7 @@
 use nix::sys::select::*;
-use nix::unistd::{pipe, write};
 use nix::sys::signal::SigSet;
 use nix::sys::time::{TimeSpec, TimeValLike};
+use nix::unistd::{pipe, write};
 
 #[test]
 pub fn test_pselect() {
@@ -45,7 +45,8 @@ pub fn test_pselect_nfds2() {
             None,
             &timeout,
             None
-        ).unwrap()
+        )
+        .unwrap()
     );
     assert!(fd_set.contains(r1));
     assert!(!fd_set.contains(r2));
diff --git a/bash-5.1/vendor/nix/test/sys/test_signal.rs b/bash-5.1/vendor/nix/test/sys/test_signal.rs
index fdd2568df463be41ce7e1708df3dd1bdc25fd738..3ad14f40c7ca97378bbed427ee3674fec877834d 100644
--- a/bash-5.1/vendor/nix/test/sys/test_signal.rs
+++ b/bash-5.1/vendor/nix/test/sys/test_signal.rs
@@ -52,9 +52,12 @@ fn test_sigprocmask() {
 
     // Make sure the old set doesn't contain the signal, otherwise the following
     // test don't make sense.
-    assert!(!old_signal_set.contains(SIGNAL),
-            "the {:?} signal is already blocked, please change to a \
-             different one", SIGNAL);
+    assert!(
+        !old_signal_set.contains(SIGNAL),
+        "the {:?} signal is already blocked, please change to a \
+             different one",
+        SIGNAL
+    );
 
     // Now block the signal.
     let mut signal_set = SigSet::empty();
@@ -66,8 +69,11 @@ fn test_sigprocmask() {
     old_signal_set.clear();
     sigprocmask(SigmaskHow::SIG_BLOCK, None, Some(&mut old_signal_set))
         .expect("expect to be able to retrieve old signals");
-    assert!(old_signal_set.contains(SIGNAL),
-            "expected the {:?} to be blocked", SIGNAL);
+    assert!(
+        old_signal_set.contains(SIGNAL),
+        "expected the {:?} to be blocked",
+        SIGNAL
+    );
 
     // Reset the signal.
     sigprocmask(SigmaskHow::SIG_UNBLOCK, Some(&signal_set), None)
@@ -78,13 +84,18 @@ lazy_static! {
     static ref SIGNALED: AtomicBool = AtomicBool::new(false);
 }
 
-extern fn test_sigaction_handler(signal: libc::c_int) {
+extern "C" fn test_sigaction_handler(signal: libc::c_int) {
     let signal = Signal::try_from(signal).unwrap();
     SIGNALED.store(signal == Signal::SIGINT, Ordering::Relaxed);
 }
 
 #[cfg(not(target_os = "redox"))]
-extern fn test_sigaction_action(_: libc::c_int, _: *mut libc::siginfo_t, _: *mut libc::c_void) {}
+extern "C" fn test_sigaction_action(
+    _: libc::c_int,
+    _: *mut libc::siginfo_t,
+    _: *mut libc::c_void,
+) {
+}
 
 #[test]
 #[cfg(not(target_os = "redox"))]
@@ -92,7 +103,10 @@ fn test_signal_sigaction() {
     let _m = crate::SIGNAL_MTX.lock();
 
     let action_handler = SigHandler::SigAction(test_sigaction_action);
-    assert_eq!(unsafe { signal(Signal::SIGINT, action_handler) }.unwrap_err(), Errno::ENOTSUP);
+    assert_eq!(
+        unsafe { signal(Signal::SIGINT, action_handler) }.unwrap_err(),
+        Errno::ENOTSUP
+    );
 }
 
 #[test]
@@ -101,20 +115,32 @@ fn test_signal() {
 
     unsafe { signal(Signal::SIGINT, SigHandler::SigIgn) }.unwrap();
     raise(Signal::SIGINT).unwrap();
-    assert_eq!(unsafe { signal(Signal::SIGINT, SigHandler::SigDfl) }.unwrap(), SigHandler::SigIgn);
+    assert_eq!(
+        unsafe { signal(Signal::SIGINT, SigHandler::SigDfl) }.unwrap(),
+        SigHandler::SigIgn
+    );
 
     let handler = SigHandler::Handler(test_sigaction_handler);
-    assert_eq!(unsafe { signal(Signal::SIGINT, handler) }.unwrap(), SigHandler::SigDfl);
+    assert_eq!(
+        unsafe { signal(Signal::SIGINT, handler) }.unwrap(),
+        SigHandler::SigDfl
+    );
     raise(Signal::SIGINT).unwrap();
     assert!(SIGNALED.load(Ordering::Relaxed));
 
     #[cfg(not(any(target_os = "illumos", target_os = "solaris")))]
-    assert_eq!(unsafe { signal(Signal::SIGINT, SigHandler::SigDfl) }.unwrap(), handler);
+    assert_eq!(
+        unsafe { signal(Signal::SIGINT, SigHandler::SigDfl) }.unwrap(),
+        handler
+    );
 
     // System V based OSes (e.g. illumos and Solaris) always resets the
     // disposition to SIG_DFL prior to calling the signal handler
     #[cfg(any(target_os = "illumos", target_os = "solaris"))]
-    assert_eq!(unsafe { signal(Signal::SIGINT, SigHandler::SigDfl) }.unwrap(), SigHandler::SigDfl);
+    assert_eq!(
+        unsafe { signal(Signal::SIGINT, SigHandler::SigDfl) }.unwrap(),
+        SigHandler::SigDfl
+    );
 
     // Restore default signal handler
     unsafe { signal(Signal::SIGINT, SigHandler::SigDfl) }.unwrap();
diff --git a/bash-5.1/vendor/nix/test/sys/test_signalfd.rs b/bash-5.1/vendor/nix/test/sys/test_signalfd.rs
index b6f748b46a42b9332dca1cbc7445721a26d1d763..87153c957204c632b3c292f0915f3c85e061fb55 100644
--- a/bash-5.1/vendor/nix/test/sys/test_signalfd.rs
+++ b/bash-5.1/vendor/nix/test/sys/test_signalfd.rs
@@ -2,8 +2,8 @@ use std::convert::TryFrom;
 
 #[test]
 fn test_signalfd() {
+    use nix::sys::signal::{self, raise, SigSet, Signal};
     use nix::sys::signalfd::SignalFd;
-    use nix::sys::signal::{self, raise, Signal, SigSet};
 
     // Grab the mutex for altering signals so we don't interfere with other tests.
     let _m = crate::SIGNAL_MTX.lock();
diff --git a/bash-5.1/vendor/nix/test/sys/test_socket.rs b/bash-5.1/vendor/nix/test/sys/test_socket.rs
index 2aac795851432411e8a1402db7768fba2b97c37b..b4ca279d67bd85e81b7e09acfb50b39c5cc63df7 100644
--- a/bash-5.1/vendor/nix/test/sys/test_socket.rs
+++ b/bash-5.1/vendor/nix/test/sys/test_socket.rs
@@ -1,7 +1,11 @@
+#[cfg(any(target_os = "linux", target_os = "android"))]
+use crate::*;
+use libc::{c_char, sockaddr_storage};
 #[allow(deprecated)]
 use nix::sys::socket::InetAddr;
-use nix::sys::socket::{AddressFamily,
-    UnixAddr, getsockname, sockaddr, sockaddr_in6};
+use nix::sys::socket::{
+    getsockname, sockaddr, sockaddr_in6, AddressFamily, UnixAddr,
+};
 use std::collections::hash_map::DefaultHasher;
 use std::hash::{Hash, Hasher};
 use std::mem::{self, MaybeUninit};
@@ -10,9 +14,6 @@ use std::os::unix::io::RawFd;
 use std::path::Path;
 use std::slice;
 use std::str::FromStr;
-use libc::{c_char, sockaddr_storage};
-#[cfg(any(target_os = "linux", target_os= "android"))]
-use crate::*;
 
 #[allow(deprecated)]
 #[test]
@@ -41,7 +42,7 @@ pub fn test_inetv4_addr_to_sock_addr() {
 #[allow(deprecated)]
 #[test]
 pub fn test_inetv4_addr_roundtrip_sockaddr_storage_to_addr() {
-    use nix::sys::socket::{SockAddr, sockaddr_storage_to_addr};
+    use nix::sys::socket::{sockaddr_storage_to_addr, SockAddr};
 
     let actual: net::SocketAddr = FromStr::from_str("127.0.0.1:3000").unwrap();
     let addr = InetAddr::from_std(&actual);
@@ -58,9 +59,12 @@ pub fn test_inetv4_addr_roundtrip_sockaddr_storage_to_addr() {
         }
     };
 
-    let from_storage = sockaddr_storage_to_addr(&storage, ffi_size as usize).unwrap();
+    let from_storage =
+        sockaddr_storage_to_addr(&storage, ffi_size as usize).unwrap();
     assert_eq!(from_storage, sockaddr);
-    let from_storage = sockaddr_storage_to_addr(&storage, mem::size_of::<sockaddr_storage>()).unwrap();
+    let from_storage =
+        sockaddr_storage_to_addr(&storage, mem::size_of::<sockaddr_storage>())
+            .unwrap();
     assert_eq!(from_storage, sockaddr);
 }
 
@@ -69,8 +73,9 @@ pub fn test_inetv4_addr_roundtrip_sockaddr_storage_to_addr() {
 #[test]
 pub fn test_timestamping() {
     use nix::sys::socket::{
-        recvmsg, sendmsg, setsockopt, socket, sockopt::Timestamping, ControlMessageOwned, MsgFlags,
-        SockaddrIn, SockFlag, SockType, TimestampingFlag,
+        recvmsg, sendmsg, setsockopt, socket, sockopt::Timestamping,
+        ControlMessageOwned, MsgFlags, SockFlag, SockType, SockaddrIn,
+        TimestampingFlag,
     };
     use std::io::{IoSlice, IoSliceMut};
 
@@ -112,7 +117,9 @@ pub fn test_timestamping() {
         }
     }
     let ts = ts.expect("ScmTimestampns is present");
-    let sys_time = ::nix::time::clock_gettime(::nix::time::ClockId::CLOCK_REALTIME).unwrap();
+    let sys_time =
+        ::nix::time::clock_gettime(::nix::time::ClockId::CLOCK_REALTIME)
+            .unwrap();
     let diff = if ts > sys_time {
         ts - sys_time
     } else {
@@ -124,14 +131,15 @@ pub fn test_timestamping() {
 #[allow(deprecated)]
 #[test]
 pub fn test_inetv6_addr_roundtrip_sockaddr_storage_to_addr() {
-    use nix::sys::socket::{SockAddr, sockaddr_storage_to_addr};
+    use nix::sys::socket::{sockaddr_storage_to_addr, SockAddr};
 
     let port: u16 = 3000;
     let flowinfo: u32 = 1;
     let scope_id: u32 = 2;
     let ip: Ipv6Addr = "fe80::1".parse().unwrap();
 
-    let actual = SocketAddr::V6(SocketAddrV6::new(ip, port, flowinfo, scope_id));
+    let actual =
+        SocketAddr::V6(SocketAddrV6::new(ip, port, flowinfo, scope_id));
     let addr = InetAddr::from_std(&actual);
     let sockaddr = SockAddr::new_inet(addr);
 
@@ -141,14 +149,20 @@ pub fn test_inetv6_addr_roundtrip_sockaddr_storage_to_addr() {
         let (ffi_ptr, ffi_size) = sockaddr.as_ffi_pair();
         assert_eq!(mem::size_of::<sockaddr_in6>(), ffi_size as usize);
         unsafe {
-            storage_ptr.copy_from_nonoverlapping((ffi_ptr as *const sockaddr).cast::<sockaddr_in6>(), 1);
+            storage_ptr.copy_from_nonoverlapping(
+                (ffi_ptr as *const sockaddr).cast::<sockaddr_in6>(),
+                1,
+            );
             (storage.assume_init(), ffi_size)
         }
     };
 
-    let from_storage = sockaddr_storage_to_addr(&storage, ffi_size as usize).unwrap();
+    let from_storage =
+        sockaddr_storage_to_addr(&storage, ffi_size as usize).unwrap();
     assert_eq!(from_storage, sockaddr);
-    let from_storage = sockaddr_storage_to_addr(&storage, mem::size_of::<sockaddr_storage>()).unwrap();
+    let from_storage =
+        sockaddr_storage_to_addr(&storage, mem::size_of::<sockaddr_storage>())
+            .unwrap();
     assert_eq!(from_storage, sockaddr);
 }
 
@@ -190,7 +204,7 @@ pub fn test_addr_equality_path() {
 pub fn test_abstract_sun_path_too_long() {
     let name = String::from("nix\0abstract\0tesnix\0abstract\0tesnix\0abstract\0tesnix\0abstract\0tesnix\0abstract\0testttttnix\0abstract\0test\0make\0sure\0this\0is\0long\0enough");
     let addr = UnixAddr::new_abstract(name.as_bytes());
-    assert!(addr.is_err());
+    addr.expect_err("assertion failed");
 }
 
 #[cfg(any(target_os = "android", target_os = "linux"))]
@@ -220,7 +234,8 @@ pub fn test_abstract_uds_addr() {
     let name = String::from("nix\0abstract\0test");
     let addr = UnixAddr::new_abstract(name.as_bytes()).unwrap();
     let sun_path = [
-        110u8, 105, 120, 0, 97, 98, 115, 116, 114, 97, 99, 116, 0, 116, 101, 115, 116
+        110u8, 105, 120, 0, 97, 98, 115, 116, 114, 97, 99, 116, 0, 116, 101,
+        115, 116,
     ];
     assert_eq!(addr.as_abstract(), Some(&sun_path[..]));
     assert_eq!(addr.path(), None);
@@ -231,13 +246,18 @@ pub fn test_abstract_uds_addr() {
 
 #[test]
 pub fn test_getsockname() {
-    use nix::sys::socket::{socket, AddressFamily, SockType, SockFlag};
     use nix::sys::socket::bind;
+    use nix::sys::socket::{socket, AddressFamily, SockFlag, SockType};
 
     let tempdir = tempfile::tempdir().unwrap();
     let sockname = tempdir.path().join("sock");
-    let sock = socket(AddressFamily::Unix, SockType::Stream, SockFlag::empty(), None)
-               .expect("socket failed");
+    let sock = socket(
+        AddressFamily::Unix,
+        SockType::Stream,
+        SockFlag::empty(),
+        None,
+    )
+    .expect("socket failed");
     let sockaddr = UnixAddr::new(&sockname).unwrap();
     bind(sock, &sockaddr).expect("bind failed");
     assert_eq!(sockaddr, getsockname(sock).expect("getsockname failed"));
@@ -245,30 +265,53 @@ pub fn test_getsockname() {
 
 #[test]
 pub fn test_socketpair() {
+    use nix::sys::socket::{socketpair, AddressFamily, SockFlag, SockType};
     use nix::unistd::{read, write};
-    use nix::sys::socket::{socketpair, AddressFamily, SockType, SockFlag};
 
-    let (fd1, fd2) = socketpair(AddressFamily::Unix, SockType::Stream, None, SockFlag::empty())
-                     .unwrap();
+    let (fd1, fd2) = socketpair(
+        AddressFamily::Unix,
+        SockType::Stream,
+        None,
+        SockFlag::empty(),
+    )
+    .unwrap();
     write(fd1, b"hello").unwrap();
-    let mut buf = [0;5];
+    let mut buf = [0; 5];
     read(fd2, &mut buf).unwrap();
 
     assert_eq!(&buf[..], b"hello");
 }
 
+#[test]
+pub fn test_std_conversions() {
+    use nix::sys::socket::*;
+
+    let std_sa = SocketAddrV4::from_str("127.0.0.1:6789").unwrap();
+    let sock_addr = SockaddrIn::from(std_sa);
+    assert_eq!(std_sa, sock_addr.into());
+
+    let std_sa = SocketAddrV6::from_str("[::1]:6000").unwrap();
+    let sock_addr: SockaddrIn6 = SockaddrIn6::from(std_sa);
+    assert_eq!(std_sa, sock_addr.into());
+}
+
 mod recvfrom {
-    use nix::Result;
+    use super::*;
     use nix::sys::socket::*;
+    use nix::{errno::Errno, Result};
     use std::thread;
-    use super::*;
 
     const MSG: &[u8] = b"Hello, World!";
 
-    fn sendrecv<Fs, Fr>(rsock: RawFd, ssock: RawFd, f_send: Fs, mut f_recv: Fr) -> Option<SockaddrStorage>
-        where
-            Fs: Fn(RawFd, &[u8], MsgFlags) -> Result<usize> + Send + 'static,
-            Fr: FnMut(usize, Option<SockaddrStorage>),
+    fn sendrecv<Fs, Fr>(
+        rsock: RawFd,
+        ssock: RawFd,
+        f_send: Fs,
+        mut f_recv: Fr,
+    ) -> Option<SockaddrStorage>
+    where
+        Fs: Fn(RawFd, &[u8], MsgFlags) -> Result<usize> + Send + 'static,
+        Fr: FnMut(usize, Option<SockaddrStorage>),
     {
         let mut buf: [u8; 13] = [0u8; 13];
         let mut l = 0;
@@ -294,33 +337,42 @@ mod recvfrom {
 
     #[test]
     pub fn stream() {
-        let (fd2, fd1) = socketpair(AddressFamily::Unix, SockType::Stream,
-                                    None, SockFlag::empty()).unwrap();
+        let (fd2, fd1) = socketpair(
+            AddressFamily::Unix,
+            SockType::Stream,
+            None,
+            SockFlag::empty(),
+        )
+        .unwrap();
         // Ignore from for stream sockets
-        let _ = sendrecv(fd1, fd2, |s, m, flags| {
-            send(s, m, flags)
-        }, |_, _| {});
+        let _ = sendrecv(fd1, fd2, send, |_, _| {});
     }
 
     #[test]
     pub fn udp() {
         let std_sa = SocketAddrV4::from_str("127.0.0.1:6789").unwrap();
         let sock_addr = SockaddrIn::from(std_sa);
-        let rsock = socket(AddressFamily::Inet,
+        let rsock = socket(
+            AddressFamily::Inet,
             SockType::Datagram,
             SockFlag::empty(),
-            None
-        ).unwrap();
+            None,
+        )
+        .unwrap();
         bind(rsock, &sock_addr).unwrap();
         let ssock = socket(
             AddressFamily::Inet,
             SockType::Datagram,
             SockFlag::empty(),
             None,
-        ).expect("send socket failed");
-        let from = sendrecv(rsock, ssock, move |s, m, flags| {
-            sendto(s, m, &sock_addr, flags)
-        },|_, _| {});
+        )
+        .expect("send socket failed");
+        let from = sendrecv(
+            rsock,
+            ssock,
+            move |s, m, flags| sendto(s, m, &sock_addr, flags),
+            |_, _| {},
+        );
         // UDP sockets should set the from address
         assert_eq!(AddressFamily::Inet, from.unwrap().family().unwrap());
     }
@@ -344,11 +396,13 @@ mod recvfrom {
             let segment_size: u16 = 2;
 
             let sock_addr = SockaddrIn::new(127, 0, 0, 1, 6791);
-            let rsock = socket(AddressFamily::Inet,
-                               SockType::Datagram,
-                               SockFlag::empty(),
-                               None
-            ).unwrap();
+            let rsock = socket(
+                AddressFamily::Inet,
+                SockType::Datagram,
+                SockFlag::empty(),
+                None,
+            )
+            .unwrap();
 
             setsockopt(rsock, UdpGsoSegment, &(segment_size as _))
                 .expect("setsockopt UDP_SEGMENT failed");
@@ -359,24 +413,30 @@ mod recvfrom {
                 SockType::Datagram,
                 SockFlag::empty(),
                 None,
-            ).expect("send socket failed");
+            )
+            .expect("send socket failed");
 
             let mut num_packets_received: i32 = 0;
 
-            sendrecv(rsock, ssock, move |s, m, flags| {
-                let iov = [IoSlice::new(m)];
-                let cmsg = ControlMessage::UdpGsoSegments(&segment_size);
-                sendmsg(s, &iov, &[cmsg], flags, Some(&sock_addr))
-            }, {
-                let num_packets_received_ref = &mut num_packets_received;
-
-                move |len, _| {
-                    // check that we receive UDP packets with payload size
-                    // less or equal to segment size
-                    assert!(len <= segment_size as usize);
-                    *num_packets_received_ref += 1;
-                }
-            });
+            sendrecv(
+                rsock,
+                ssock,
+                move |s, m, flags| {
+                    let iov = [IoSlice::new(m)];
+                    let cmsg = ControlMessage::UdpGsoSegments(&segment_size);
+                    sendmsg(s, &iov, &[cmsg], flags, Some(&sock_addr))
+                },
+                {
+                    let num_packets_received_ref = &mut num_packets_received;
+
+                    move |len, _| {
+                        // check that we receive UDP packets with payload size
+                        // less or equal to segment size
+                        assert!(len <= segment_size as usize);
+                        *num_packets_received_ref += 1;
+                    }
+                },
+            );
 
             // Buffer size is 13, we will receive six packets of size 2,
             // and one packet of size 1.
@@ -393,11 +453,13 @@ mod recvfrom {
             // It's hard to guarantee receiving GRO packets. Just checking
             // that `setsockopt` doesn't fail with error
 
-            let rsock = socket(AddressFamily::Inet,
-                               SockType::Datagram,
-                               SockFlag::empty(),
-                               None
-            ).unwrap();
+            let rsock = socket(
+                AddressFamily::Inet,
+                SockType::Datagram,
+                SockFlag::empty(),
+                None,
+            )
+            .unwrap();
 
             setsockopt(rsock, UdpGroSegment, &true)
                 .expect("setsockopt UDP_GRO failed");
@@ -419,51 +481,54 @@ mod recvfrom {
         let sock_addr = SockaddrIn::from(std_sa);
         let sock_addr2 = SockaddrIn::from(std_sa2);
 
-        let rsock = socket(AddressFamily::Inet,
+        let rsock = socket(
+            AddressFamily::Inet,
             SockType::Datagram,
             SockFlag::empty(),
-            None
-        ).unwrap();
+            None,
+        )
+        .unwrap();
         bind(rsock, &sock_addr).unwrap();
         let ssock = socket(
             AddressFamily::Inet,
             SockType::Datagram,
             SockFlag::empty(),
             None,
-        ).expect("send socket failed");
+        )
+        .expect("send socket failed");
 
-        let from = sendrecv(rsock, ssock, move |s, m, flags| {
-            let iov = [IoSlice::new(m)];
-            let mut msgs = vec![
-                SendMmsgData {
+        let from = sendrecv(
+            rsock,
+            ssock,
+            move |s, m, flags| {
+                let iov = [IoSlice::new(m)];
+                let mut msgs = vec![SendMmsgData {
                     iov: &iov,
                     cmsgs: &[],
                     addr: Some(sock_addr),
                     _lt: Default::default(),
-                }
-            ];
+                }];
 
-            let batch_size = 15;
+                let batch_size = 15;
 
-            for _ in 0..batch_size {
-                msgs.push(
-                    SendMmsgData {
+                for _ in 0..batch_size {
+                    msgs.push(SendMmsgData {
                         iov: &iov,
                         cmsgs: &[],
                         addr: Some(sock_addr2),
                         _lt: Default::default(),
-                    }
-                );
-            }
-            sendmmsg(s, msgs.iter(), flags)
-                .map(move |sent_bytes| {
+                    });
+                }
+                sendmmsg(s, msgs.iter(), flags).map(move |sent_bytes| {
                     assert!(!sent_bytes.is_empty());
                     for sent in &sent_bytes {
                         assert_eq!(*sent, m.len());
                     }
                     sent_bytes.len()
                 })
-        }, |_, _ | {});
+            },
+            |_, _| {},
+        );
         // UDP sockets should set the from address
         assert_eq!(AddressFamily::Inet, from.unwrap().family().unwrap());
     }
@@ -476,31 +541,35 @@ mod recvfrom {
     ))]
     #[test]
     pub fn udp_recvmmsg() {
+        use nix::sys::socket::{recvmmsg, MsgFlags};
         use std::io::IoSliceMut;
-        use nix::sys::socket::{MsgFlags, recvmmsg};
 
         const NUM_MESSAGES_SENT: usize = 2;
-        const DATA: [u8; 2] = [1,2];
+        const DATA: [u8; 2] = [1, 2];
 
         let inet_addr = SocketAddrV4::from_str("127.0.0.1:6798").unwrap();
         let sock_addr = SockaddrIn::from(inet_addr);
 
-        let rsock = socket(AddressFamily::Inet,
+        let rsock = socket(
+            AddressFamily::Inet,
             SockType::Datagram,
             SockFlag::empty(),
-            None
-        ).unwrap();
+            None,
+        )
+        .unwrap();
         bind(rsock, &sock_addr).unwrap();
         let ssock = socket(
             AddressFamily::Inet,
             SockType::Datagram,
             SockFlag::empty(),
             None,
-        ).expect("send socket failed");
+        )
+        .expect("send socket failed");
 
         let send_thread = thread::spawn(move || {
             for _ in 0..NUM_MESSAGES_SENT {
-                sendto(ssock, &DATA[..], &sock_addr, MsgFlags::empty()).unwrap();
+                sendto(ssock, &DATA[..], &sock_addr, MsgFlags::empty())
+                    .unwrap();
             }
         });
 
@@ -508,18 +577,21 @@ mod recvfrom {
 
         // Buffers to receive exactly `NUM_MESSAGES_SENT` messages
         let mut receive_buffers = [[0u8; 32]; NUM_MESSAGES_SENT];
-        let iovs: Vec<_> = receive_buffers.iter_mut().map(|buf| {
-            [IoSliceMut::new(&mut buf[..])]
-        }).collect();
+        let iovs: Vec<_> = receive_buffers
+            .iter_mut()
+            .map(|buf| [IoSliceMut::new(&mut buf[..])])
+            .collect();
 
         for iov in &iovs {
             msgs.push_back(RecvMmsgData {
                 iov,
                 cmsg_buffer: None,
             })
-        };
+        }
 
-        let res: Vec<RecvMsg<SockaddrIn>> = recvmmsg(rsock, &mut msgs, MsgFlags::empty(), None).expect("recvmmsg");
+        let res: Vec<RecvMsg<SockaddrIn>> =
+            recvmmsg(rsock, &mut msgs, MsgFlags::empty(), None)
+                .expect("recvmmsg");
         assert_eq!(res.len(), DATA.len());
 
         for RecvMsg { address, bytes, .. } in res.into_iter() {
@@ -542,31 +614,35 @@ mod recvfrom {
     ))]
     #[test]
     pub fn udp_recvmmsg_dontwait_short_read() {
-        use nix::sys::socket::{MsgFlags, recvmmsg};
+        use nix::sys::socket::{recvmmsg, MsgFlags};
         use std::io::IoSliceMut;
 
         const NUM_MESSAGES_SENT: usize = 2;
-        const DATA: [u8; 4] = [1,2,3,4];
+        const DATA: [u8; 4] = [1, 2, 3, 4];
 
         let inet_addr = SocketAddrV4::from_str("127.0.0.1:6799").unwrap();
         let sock_addr = SockaddrIn::from(inet_addr);
 
-        let rsock = socket(AddressFamily::Inet,
+        let rsock = socket(
+            AddressFamily::Inet,
             SockType::Datagram,
             SockFlag::empty(),
-            None
-        ).unwrap();
+            None,
+        )
+        .unwrap();
         bind(rsock, &sock_addr).unwrap();
         let ssock = socket(
             AddressFamily::Inet,
             SockType::Datagram,
             SockFlag::empty(),
             None,
-        ).expect("send socket failed");
+        )
+        .expect("send socket failed");
 
         let send_thread = thread::spawn(move || {
             for _ in 0..NUM_MESSAGES_SENT {
-                sendto(ssock, &DATA[..], &sock_addr, MsgFlags::empty()).unwrap();
+                sendto(ssock, &DATA[..], &sock_addr, MsgFlags::empty())
+                    .unwrap();
             }
         });
         // Ensure we've sent all the messages before continuing so `recvmmsg`
@@ -579,18 +655,21 @@ mod recvfrom {
         // will return when there are fewer than requested messages in the
         // kernel buffers when using `MSG_DONTWAIT`.
         let mut receive_buffers = [[0u8; 32]; NUM_MESSAGES_SENT + 2];
-        let iovs: Vec<_> = receive_buffers.iter_mut().map(|buf| {
-            [IoSliceMut::new(&mut buf[..])]
-        }).collect();
+        let iovs: Vec<_> = receive_buffers
+            .iter_mut()
+            .map(|buf| [IoSliceMut::new(&mut buf[..])])
+            .collect();
 
         for iov in &iovs {
             msgs.push_back(RecvMmsgData {
                 iov,
                 cmsg_buffer: None,
             })
-        };
+        }
 
-        let res: Vec<RecvMsg<SockaddrIn>> = recvmmsg(rsock, &mut msgs, MsgFlags::MSG_DONTWAIT, None).expect("recvmmsg");
+        let res: Vec<RecvMsg<SockaddrIn>> =
+            recvmmsg(rsock, &mut msgs, MsgFlags::MSG_DONTWAIT, None)
+                .expect("recvmmsg");
         assert_eq!(res.len(), NUM_MESSAGES_SENT);
 
         for RecvMsg { address, bytes, .. } in res.into_iter() {
@@ -602,19 +681,64 @@ mod recvfrom {
             assert_eq!(&buf[..DATA.len()], DATA);
         }
     }
+
+    #[test]
+    pub fn udp_inet6() {
+        let addr = std::net::Ipv6Addr::from_str("::1").unwrap();
+        let rport = 6789;
+        let rstd_sa = SocketAddrV6::new(addr, rport, 0, 0);
+        let raddr = SockaddrIn6::from(rstd_sa);
+        let sport = 6790;
+        let sstd_sa = SocketAddrV6::new(addr, sport, 0, 0);
+        let saddr = SockaddrIn6::from(sstd_sa);
+        let rsock = socket(
+            AddressFamily::Inet6,
+            SockType::Datagram,
+            SockFlag::empty(),
+            None,
+        )
+        .expect("receive socket failed");
+        match bind(rsock, &raddr) {
+            Err(Errno::EADDRNOTAVAIL) => {
+                println!("IPv6 not available, skipping test.");
+                return;
+            }
+            Err(e) => panic!("bind: {}", e),
+            Ok(()) => (),
+        }
+        let ssock = socket(
+            AddressFamily::Inet6,
+            SockType::Datagram,
+            SockFlag::empty(),
+            None,
+        )
+        .expect("send socket failed");
+        bind(ssock, &saddr).unwrap();
+        let from = sendrecv(
+            rsock,
+            ssock,
+            move |s, m, flags| sendto(s, m, &raddr, flags),
+            |_, _| {},
+        );
+        assert_eq!(AddressFamily::Inet6, from.unwrap().family().unwrap());
+        let osent_addr = from.unwrap();
+        let sent_addr = osent_addr.as_sockaddr_in6().unwrap();
+        assert_eq!(sent_addr.ip(), addr);
+        assert_eq!(sent_addr.port(), sport);
+    }
 }
 
 // Test error handling of our recvmsg wrapper
 #[test]
 pub fn test_recvmsg_ebadf() {
     use nix::errno::Errno;
-    use nix::sys::socket::{MsgFlags, recvmsg};
+    use nix::sys::socket::{recvmsg, MsgFlags};
     use std::io::IoSliceMut;
 
     let mut buf = [0u8; 5];
     let mut iov = [IoSliceMut::new(&mut buf[..])];
 
-    let fd = -1;    // Bad file descriptor
+    let fd = -1; // Bad file descriptor
     let r = recvmsg::<()>(fd, &mut iov, None, MsgFlags::empty());
 
     assert_eq!(r.err().unwrap(), Errno::EBADF);
@@ -625,14 +749,20 @@ pub fn test_recvmsg_ebadf() {
 #[cfg_attr(qemu, ignore)]
 #[test]
 pub fn test_scm_rights() {
-    use nix::unistd::{pipe, read, write, close};
-    use nix::sys::socket::{socketpair, sendmsg, recvmsg,
-                           AddressFamily, SockType, SockFlag,
-                           ControlMessage, ControlMessageOwned, MsgFlags};
+    use nix::sys::socket::{
+        recvmsg, sendmsg, socketpair, AddressFamily, ControlMessage,
+        ControlMessageOwned, MsgFlags, SockFlag, SockType,
+    };
+    use nix::unistd::{close, pipe, read, write};
     use std::io::{IoSlice, IoSliceMut};
 
-    let (fd1, fd2) = socketpair(AddressFamily::Unix, SockType::Stream, None, SockFlag::empty())
-                     .unwrap();
+    let (fd1, fd2) = socketpair(
+        AddressFamily::Unix,
+        SockType::Stream,
+        None,
+        SockFlag::empty(),
+    )
+    .unwrap();
     let (r, w) = pipe().unwrap();
     let mut received_r: Option<RawFd> = None;
 
@@ -640,7 +770,10 @@ pub fn test_scm_rights() {
         let iov = [IoSlice::new(b"hello")];
         let fds = [r];
         let cmsg = ControlMessage::ScmRights(&fds);
-        assert_eq!(sendmsg::<()>(fd1, &iov, &[cmsg], MsgFlags::empty(), None).unwrap(), 5);
+        assert_eq!(
+            sendmsg::<()>(fd1, &iov, &[cmsg], MsgFlags::empty(), None).unwrap(),
+            5
+        );
         close(r).unwrap();
         close(fd1).unwrap();
     }
@@ -650,7 +783,13 @@ pub fn test_scm_rights() {
 
         let mut iov = [IoSliceMut::new(&mut buf[..])];
         let mut cmsgspace = cmsg_space!([RawFd; 1]);
-        let msg = recvmsg::<()>(fd2, &mut iov, Some(&mut cmsgspace), MsgFlags::empty()).unwrap();
+        let msg = recvmsg::<()>(
+            fd2,
+            &mut iov,
+            Some(&mut cmsgspace),
+            MsgFlags::empty(),
+        )
+        .unwrap();
 
         for cmsg in msg.cmsgs() {
             if let ControlMessageOwned::ScmRights(fd) = cmsg {
@@ -662,7 +801,9 @@ pub fn test_scm_rights() {
             }
         }
         assert_eq!(msg.bytes, 5);
-        assert!(!msg.flags.intersects(MsgFlags::MSG_TRUNC | MsgFlags::MSG_CTRUNC));
+        assert!(!msg
+            .flags
+            .intersects(MsgFlags::MSG_TRUNC | MsgFlags::MSG_CTRUNC));
         close(fd2).unwrap();
     }
 
@@ -677,15 +818,16 @@ pub fn test_scm_rights() {
 }
 
 // Disable the test on emulated platforms due to not enabled support of AF_ALG in QEMU from rust cross
-#[cfg(any(target_os = "linux", target_os= "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[cfg_attr(qemu, ignore)]
 #[test]
 pub fn test_af_alg_cipher() {
-    use nix::unistd::read;
-    use nix::sys::socket::{socket, sendmsg, bind, accept, setsockopt,
-                           AddressFamily, SockType, SockFlag, AlgAddr,
-                           ControlMessage, MsgFlags};
     use nix::sys::socket::sockopt::AlgSetKey;
+    use nix::sys::socket::{
+        accept, bind, sendmsg, setsockopt, socket, AddressFamily, AlgAddr,
+        ControlMessage, MsgFlags, SockFlag, SockType,
+    };
+    use nix::unistd::read;
     use std::io::IoSlice;
 
     skip_if_cirrus!("Fails for an unknown reason Cirrus CI.  Bug #1352");
@@ -704,8 +846,13 @@ pub fn test_af_alg_cipher() {
     let payload_len = 256;
     let payload = vec![2u8; payload_len];
 
-    let sock = socket(AddressFamily::Alg, SockType::SeqPacket, SockFlag::empty(), None)
-        .expect("socket failed");
+    let sock = socket(
+        AddressFamily::Alg,
+        SockType::SeqPacket,
+        SockFlag::empty(),
+        None,
+    )
+    .expect("socket failed");
 
     let sockaddr = AlgAddr::new(alg_type, alg_name);
     bind(sock, &sockaddr).expect("bind failed");
@@ -716,9 +863,13 @@ pub fn test_af_alg_cipher() {
     setsockopt(sock, AlgSetKey::default(), &key).expect("setsockopt");
     let session_socket = accept(sock).expect("accept failed");
 
-    let msgs = [ControlMessage::AlgSetOp(&libc::ALG_OP_ENCRYPT), ControlMessage::AlgSetIv(iv.as_slice())];
+    let msgs = [
+        ControlMessage::AlgSetOp(&libc::ALG_OP_ENCRYPT),
+        ControlMessage::AlgSetIv(iv.as_slice()),
+    ];
     let iov = IoSlice::new(&payload);
-    sendmsg::<()>(session_socket, &[iov], &msgs, MsgFlags::empty(), None).expect("sendmsg encrypt");
+    sendmsg::<()>(session_socket, &[iov], &msgs, MsgFlags::empty(), None)
+        .expect("sendmsg encrypt");
 
     // allocate buffer for encrypted data
     let mut encrypted = vec![0u8; payload_len];
@@ -729,8 +880,12 @@ pub fn test_af_alg_cipher() {
 
     let iv = vec![1u8; iv_len];
 
-    let msgs = [ControlMessage::AlgSetOp(&libc::ALG_OP_DECRYPT), ControlMessage::AlgSetIv(iv.as_slice())];
-    sendmsg::<()>(session_socket, &[iov], &msgs, MsgFlags::empty(), None).expect("sendmsg decrypt");
+    let msgs = [
+        ControlMessage::AlgSetOp(&libc::ALG_OP_DECRYPT),
+        ControlMessage::AlgSetIv(iv.as_slice()),
+    ];
+    sendmsg::<()>(session_socket, &[iov], &msgs, MsgFlags::empty(), None)
+        .expect("sendmsg decrypt");
 
     // allocate buffer for decrypted data
     let mut decrypted = vec![0u8; payload_len];
@@ -742,17 +897,18 @@ pub fn test_af_alg_cipher() {
 
 // Disable the test on emulated platforms due to not enabled support of AF_ALG
 // in QEMU from rust cross
-#[cfg(any(target_os = "linux", target_os= "android"))]
+#[cfg(any(target_os = "linux", target_os = "android"))]
 #[cfg_attr(qemu, ignore)]
 #[test]
 pub fn test_af_alg_aead() {
     use libc::{ALG_OP_DECRYPT, ALG_OP_ENCRYPT};
     use nix::fcntl::{fcntl, FcntlArg, OFlag};
-    use nix::unistd::{read, close};
-    use nix::sys::socket::{socket, sendmsg, bind, accept, setsockopt,
-                           AddressFamily, SockType, SockFlag, AlgAddr,
-                           ControlMessage, MsgFlags};
-    use nix::sys::socket::sockopt::{AlgSetKey, AlgSetAeadAuthSize};
+    use nix::sys::socket::sockopt::{AlgSetAeadAuthSize, AlgSetKey};
+    use nix::sys::socket::{
+        accept, bind, sendmsg, setsockopt, socket, AddressFamily, AlgAddr,
+        ControlMessage, MsgFlags, SockFlag, SockType,
+    };
+    use nix::unistd::{close, read};
     use std::io::IoSlice;
 
     skip_if_cirrus!("Fails for an unknown reason Cirrus CI.  Bug #1352");
@@ -772,7 +928,8 @@ pub fn test_af_alg_aead() {
     let iv = vec![1u8; iv_len];
     // 256-bytes plain payload
     let payload_len = 256;
-    let mut payload = vec![2u8; payload_len + (assoc_size as usize) + auth_size];
+    let mut payload =
+        vec![2u8; payload_len + (assoc_size as usize) + auth_size];
 
     for i in 0..assoc_size {
         payload[i as usize] = 10;
@@ -784,26 +941,35 @@ pub fn test_af_alg_aead() {
         payload[len - 1 - i] = 0;
     }
 
-    let sock = socket(AddressFamily::Alg, SockType::SeqPacket, SockFlag::empty(), None)
-        .expect("socket failed");
+    let sock = socket(
+        AddressFamily::Alg,
+        SockType::SeqPacket,
+        SockFlag::empty(),
+        None,
+    )
+    .expect("socket failed");
 
     let sockaddr = AlgAddr::new(alg_type, alg_name);
     bind(sock, &sockaddr).expect("bind failed");
 
-    setsockopt(sock, AlgSetAeadAuthSize, &auth_size).expect("setsockopt AlgSetAeadAuthSize");
+    setsockopt(sock, AlgSetAeadAuthSize, &auth_size)
+        .expect("setsockopt AlgSetAeadAuthSize");
     setsockopt(sock, AlgSetKey::default(), &key).expect("setsockopt AlgSetKey");
     let session_socket = accept(sock).expect("accept failed");
 
     let msgs = [
         ControlMessage::AlgSetOp(&ALG_OP_ENCRYPT),
         ControlMessage::AlgSetIv(iv.as_slice()),
-        ControlMessage::AlgSetAeadAssoclen(&assoc_size)];
+        ControlMessage::AlgSetAeadAssoclen(&assoc_size),
+    ];
 
     let iov = IoSlice::new(&payload);
-    sendmsg::<()>(session_socket, &[iov], &msgs, MsgFlags::empty(), None).expect("sendmsg encrypt");
+    sendmsg::<()>(session_socket, &[iov], &msgs, MsgFlags::empty(), None)
+        .expect("sendmsg encrypt");
 
     // allocate buffer for encrypted data
-    let mut encrypted = vec![0u8; (assoc_size as usize) + payload_len + auth_size];
+    let mut encrypted =
+        vec![0u8; (assoc_size as usize) + payload_len + auth_size];
     let num_bytes = read(session_socket, &mut encrypted).expect("read encrypt");
     assert_eq!(num_bytes, payload_len + auth_size + (assoc_size as usize));
     close(session_socket).expect("close");
@@ -823,19 +989,25 @@ pub fn test_af_alg_aead() {
         ControlMessage::AlgSetIv(iv.as_slice()),
         ControlMessage::AlgSetAeadAssoclen(&assoc_size),
     ];
-    sendmsg::<()>(session_socket, &[iov], &msgs, MsgFlags::empty(), None).expect("sendmsg decrypt");
+    sendmsg::<()>(session_socket, &[iov], &msgs, MsgFlags::empty(), None)
+        .expect("sendmsg decrypt");
 
     // allocate buffer for decrypted data
-    let mut decrypted = vec![0u8; payload_len + (assoc_size as usize) + auth_size];
+    let mut decrypted =
+        vec![0u8; payload_len + (assoc_size as usize) + auth_size];
     // Starting with kernel 4.9, the interface changed slightly such that the
     // authentication tag memory is only needed in the output buffer for encryption
     // and in the input buffer for decryption.
     // Do not block on read, as we may have fewer bytes than buffer size
-    fcntl(session_socket,FcntlArg::F_SETFL(OFlag::O_NONBLOCK)).expect("fcntl non_blocking");
+    fcntl(session_socket, FcntlArg::F_SETFL(OFlag::O_NONBLOCK))
+        .expect("fcntl non_blocking");
     let num_bytes = read(session_socket, &mut decrypted).expect("read decrypt");
 
     assert!(num_bytes >= payload_len + (assoc_size as usize));
-    assert_eq!(decrypted[(assoc_size as usize)..(payload_len + (assoc_size as usize))], payload[(assoc_size as usize)..payload_len + (assoc_size as usize)]);
+    assert_eq!(
+        decrypted[(assoc_size as usize)..(payload_len + (assoc_size as usize))],
+        payload[(assoc_size as usize)..payload_len + (assoc_size as usize)]
+    );
 }
 
 // Verify `ControlMessage::Ipv4PacketInfo` for `sendmsg`.
@@ -845,24 +1017,25 @@ pub fn test_af_alg_aead() {
 // This would be a more interesting test if we could assume that the test host
 // has more than one IP address (since we could select a different address to
 // test from).
-#[cfg(any(target_os = "linux",
-        target_os = "macos",
-        target_os = "netbsd"))]
+#[cfg(any(target_os = "linux", target_os = "macos", target_os = "netbsd"))]
 #[test]
 pub fn test_sendmsg_ipv4packetinfo() {
     use cfg_if::cfg_if;
-    use nix::sys::socket::{socket, sendmsg, bind,
-                           AddressFamily, SockType, SockFlag, SockaddrIn,
-                           ControlMessage, MsgFlags};
+    use nix::sys::socket::{
+        bind, sendmsg, socket, AddressFamily, ControlMessage, MsgFlags,
+        SockFlag, SockType, SockaddrIn,
+    };
     use std::io::IoSlice;
 
-    let sock = socket(AddressFamily::Inet,
-                      SockType::Datagram,
-                      SockFlag::empty(),
-                      None)
-        .expect("socket failed");
+    let sock = socket(
+        AddressFamily::Inet,
+        SockType::Datagram,
+        SockFlag::empty(),
+        None,
+    )
+    .expect("socket failed");
 
-    let sock_addr = SockaddrIn::new(127,0,0,1, 4000);
+    let sock_addr = SockaddrIn::new(127, 0, 0, 1, 4000);
 
     bind(sock, &sock_addr).expect("bind failed");
 
@@ -898,23 +1071,28 @@ pub fn test_sendmsg_ipv4packetinfo() {
 // This would be a more interesting test if we could assume that the test host
 // has more than one IP address (since we could select a different address to
 // test from).
-#[cfg(any(target_os = "linux",
-        target_os = "macos",
-        target_os = "netbsd",
-        target_os = "freebsd"))]
+#[cfg(any(
+    target_os = "linux",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "freebsd"
+))]
 #[test]
 pub fn test_sendmsg_ipv6packetinfo() {
     use nix::errno::Errno;
-    use nix::sys::socket::{socket, sendmsg, bind,
-                           AddressFamily, SockType, SockFlag, SockaddrIn6,
-                           ControlMessage, MsgFlags};
+    use nix::sys::socket::{
+        bind, sendmsg, socket, AddressFamily, ControlMessage, MsgFlags,
+        SockFlag, SockType, SockaddrIn6,
+    };
     use std::io::IoSlice;
 
-    let sock = socket(AddressFamily::Inet6,
-                      SockType::Datagram,
-                      SockFlag::empty(),
-                      None)
-        .expect("socket failed");
+    let sock = socket(
+        AddressFamily::Inet6,
+        SockType::Datagram,
+        SockFlag::empty(),
+        None,
+    )
+    .expect("socket failed");
 
     let std_sa = SocketAddrV6::from_str("[::1]:6000").unwrap();
     let sock_addr: SockaddrIn6 = SockaddrIn6::from(std_sa);
@@ -934,8 +1112,66 @@ pub fn test_sendmsg_ipv6packetinfo() {
 
     let cmsg = [ControlMessage::Ipv6PacketInfo(&pi)];
 
-    sendmsg::<SockaddrIn6>(sock, &iov, &cmsg, MsgFlags::empty(), Some(&sock_addr))
-        .expect("sendmsg");
+    sendmsg::<SockaddrIn6>(
+        sock,
+        &iov,
+        &cmsg,
+        MsgFlags::empty(),
+        Some(&sock_addr),
+    )
+    .expect("sendmsg");
+}
+
+// Verify that ControlMessage::Ipv4SendSrcAddr works for sendmsg. This
+// creates a UDP socket bound to all local interfaces (0.0.0.0). It then
+// sends message to itself at 127.0.0.1 while explicitly specifying
+// 127.0.0.1 as the source address through an Ipv4SendSrcAddr
+// (IP_SENDSRCADDR) control message.
+//
+// Note that binding to 0.0.0.0 is *required* on FreeBSD; sendmsg
+// returns EINVAL otherwise. (See FreeBSD's ip(4) man page.)
+#[cfg(any(
+    target_os = "netbsd",
+    target_os = "freebsd",
+    target_os = "openbsd",
+    target_os = "dragonfly",
+))]
+#[test]
+pub fn test_sendmsg_ipv4sendsrcaddr() {
+    use nix::sys::socket::{
+        bind, sendmsg, socket, AddressFamily, ControlMessage, MsgFlags,
+        SockFlag, SockType, SockaddrIn,
+    };
+    use std::io::IoSlice;
+
+    let sock = socket(
+        AddressFamily::Inet,
+        SockType::Datagram,
+        SockFlag::empty(),
+        None,
+    )
+    .expect("socket failed");
+
+    let unspec_sock_addr = SockaddrIn::new(0, 0, 0, 0, 0);
+    bind(sock, &unspec_sock_addr).expect("bind failed");
+    let bound_sock_addr: SockaddrIn = getsockname(sock).unwrap();
+    let localhost_sock_addr: SockaddrIn =
+        SockaddrIn::new(127, 0, 0, 1, bound_sock_addr.port());
+
+    let slice = [1u8, 2, 3, 4, 5, 6, 7, 8];
+    let iov = [IoSlice::new(&slice)];
+    let cmsg = [ControlMessage::Ipv4SendSrcAddr(
+        &localhost_sock_addr.as_ref().sin_addr,
+    )];
+
+    sendmsg(
+        sock,
+        &iov,
+        &cmsg,
+        MsgFlags::empty(),
+        Some(&localhost_sock_addr),
+    )
+    .expect("sendmsg");
 }
 
 /// Tests that passing multiple fds using a single `ControlMessage` works.
@@ -944,12 +1180,13 @@ pub fn test_sendmsg_ipv6packetinfo() {
 #[cfg_attr(qemu, ignore)]
 #[test]
 fn test_scm_rights_single_cmsg_multiple_fds() {
+    use nix::sys::socket::{
+        recvmsg, sendmsg, ControlMessage, ControlMessageOwned, MsgFlags,
+    };
+    use std::io::{IoSlice, IoSliceMut};
+    use std::os::unix::io::{AsRawFd, RawFd};
     use std::os::unix::net::UnixDatagram;
-    use std::os::unix::io::{RawFd, AsRawFd};
     use std::thread;
-    use nix::sys::socket::{ControlMessage, ControlMessageOwned, MsgFlags,
-        sendmsg, recvmsg};
-    use std::io::{IoSlice, IoSliceMut};
 
     let (send, receive) = UnixDatagram::pair().unwrap();
     let thread = thread::spawn(move || {
@@ -961,17 +1198,23 @@ fn test_scm_rights_single_cmsg_multiple_fds() {
             receive.as_raw_fd(),
             &mut iovec,
             Some(&mut space),
-            MsgFlags::empty()
-        ).unwrap();
-        assert!(!msg.flags.intersects(MsgFlags::MSG_TRUNC | MsgFlags::MSG_CTRUNC));
+            MsgFlags::empty(),
+        )
+        .unwrap();
+        assert!(!msg
+            .flags
+            .intersects(MsgFlags::MSG_TRUNC | MsgFlags::MSG_CTRUNC));
 
         let mut cmsgs = msg.cmsgs();
         match cmsgs.next() {
             Some(ControlMessageOwned::ScmRights(fds)) => {
-                assert_eq!(fds.len(), 2,
-                           "unexpected fd count (expected 2 fds, got {})",
-                           fds.len());
-            },
+                assert_eq!(
+                    fds.len(),
+                    2,
+                    "unexpected fd count (expected 2 fds, got {})",
+                    fds.len()
+                );
+            }
             _ => panic!(),
         }
         assert!(cmsgs.next().is_none(), "unexpected control msg");
@@ -982,9 +1225,10 @@ fn test_scm_rights_single_cmsg_multiple_fds() {
 
     let slice = [1u8, 2, 3, 4, 5, 6, 7, 8];
     let iov = [IoSlice::new(&slice)];
-    let fds = [libc::STDIN_FILENO, libc::STDOUT_FILENO];    // pass stdin and stdout
+    let fds = [libc::STDIN_FILENO, libc::STDOUT_FILENO]; // pass stdin and stdout
     let cmsg = [ControlMessage::ScmRights(&fds)];
-    sendmsg::<()>(send.as_raw_fd(), &iov, &cmsg, MsgFlags::empty(), None).unwrap();
+    sendmsg::<()>(send.as_raw_fd(), &iov, &cmsg, MsgFlags::empty(), None)
+        .unwrap();
     thread.join().unwrap();
 }
 
@@ -994,17 +1238,27 @@ fn test_scm_rights_single_cmsg_multiple_fds() {
 // raw `sendmsg`.
 #[test]
 pub fn test_sendmsg_empty_cmsgs() {
+    use nix::sys::socket::{
+        recvmsg, sendmsg, socketpair, AddressFamily, MsgFlags, SockFlag,
+        SockType,
+    };
     use nix::unistd::close;
-    use nix::sys::socket::{socketpair, sendmsg, recvmsg,
-                           AddressFamily, SockType, SockFlag, MsgFlags};
     use std::io::{IoSlice, IoSliceMut};
 
-    let (fd1, fd2) = socketpair(AddressFamily::Unix, SockType::Stream, None, SockFlag::empty())
-                     .unwrap();
+    let (fd1, fd2) = socketpair(
+        AddressFamily::Unix,
+        SockType::Stream,
+        None,
+        SockFlag::empty(),
+    )
+    .unwrap();
 
     {
         let iov = [IoSlice::new(b"hello")];
-        assert_eq!(sendmsg::<()>(fd1, &iov, &[], MsgFlags::empty(), None).unwrap(), 5);
+        assert_eq!(
+            sendmsg::<()>(fd1, &iov, &[], MsgFlags::empty(), None).unwrap(),
+            5
+        );
         close(fd1).unwrap();
     }
 
@@ -1013,12 +1267,20 @@ pub fn test_sendmsg_empty_cmsgs() {
         let mut iov = [IoSliceMut::new(&mut buf[..])];
 
         let mut cmsgspace = cmsg_space!([RawFd; 1]);
-        let msg = recvmsg::<()>(fd2, &mut iov, Some(&mut cmsgspace), MsgFlags::empty()).unwrap();
+        let msg = recvmsg::<()>(
+            fd2,
+            &mut iov,
+            Some(&mut cmsgspace),
+            MsgFlags::empty(),
+        )
+        .unwrap();
 
         for _ in msg.cmsgs() {
             panic!("unexpected cmsg");
         }
-        assert!(!msg.flags.intersects(MsgFlags::MSG_TRUNC | MsgFlags::MSG_CTRUNC));
+        assert!(!msg
+            .flags
+            .intersects(MsgFlags::MSG_TRUNC | MsgFlags::MSG_CTRUNC));
         assert_eq!(msg.bytes, 5);
         close(fd2).unwrap();
     }
@@ -1032,17 +1294,22 @@ pub fn test_sendmsg_empty_cmsgs() {
 ))]
 #[test]
 fn test_scm_credentials() {
-    use nix::unistd::{close, getpid, getuid, getgid};
-    use nix::sys::socket::{socketpair, sendmsg, recvmsg,
-                           AddressFamily, SockType, SockFlag,
-                           ControlMessage, ControlMessageOwned, MsgFlags,
-                           UnixCredentials};
+    use nix::sys::socket::{
+        recvmsg, sendmsg, socketpair, AddressFamily, ControlMessage,
+        ControlMessageOwned, MsgFlags, SockFlag, SockType, UnixCredentials,
+    };
     #[cfg(any(target_os = "android", target_os = "linux"))]
     use nix::sys::socket::{setsockopt, sockopt::PassCred};
+    use nix::unistd::{close, getgid, getpid, getuid};
     use std::io::{IoSlice, IoSliceMut};
 
-    let (send, recv) = socketpair(AddressFamily::Unix, SockType::Stream, None, SockFlag::empty())
-        .unwrap();
+    let (send, recv) = socketpair(
+        AddressFamily::Unix,
+        SockType::Stream,
+        None,
+        SockFlag::empty(),
+    )
+    .unwrap();
     #[cfg(any(target_os = "android", target_os = "linux"))]
     setsockopt(recv, PassCred, &true).unwrap();
 
@@ -1054,7 +1321,11 @@ fn test_scm_credentials() {
         let cmsg = ControlMessage::ScmCredentials(&cred);
         #[cfg(any(target_os = "freebsd", target_os = "dragonfly"))]
         let cmsg = ControlMessage::ScmCreds;
-        assert_eq!(sendmsg::<()>(send, &iov, &[cmsg], MsgFlags::empty(), None).unwrap(), 5);
+        assert_eq!(
+            sendmsg::<()>(send, &iov, &[cmsg], MsgFlags::empty(), None)
+                .unwrap(),
+            5
+        );
         close(send).unwrap();
     }
 
@@ -1063,7 +1334,13 @@ fn test_scm_credentials() {
         let mut iov = [IoSliceMut::new(&mut buf[..])];
 
         let mut cmsgspace = cmsg_space!(UnixCredentials);
-        let msg = recvmsg::<()>(recv, &mut iov, Some(&mut cmsgspace), MsgFlags::empty()).unwrap();
+        let msg = recvmsg::<()>(
+            recv,
+            &mut iov,
+            Some(&mut cmsgspace),
+            MsgFlags::empty(),
+        )
+        .unwrap();
         let mut received_cred = None;
 
         for cmsg in msg.cmsgs() {
@@ -1082,7 +1359,9 @@ fn test_scm_credentials() {
         }
         received_cred.expect("no creds received");
         assert_eq!(msg.bytes, 5);
-        assert!(!msg.flags.intersects(MsgFlags::MSG_TRUNC | MsgFlags::MSG_CTRUNC));
+        assert!(!msg
+            .flags
+            .intersects(MsgFlags::MSG_TRUNC | MsgFlags::MSG_CTRUNC));
         close(recv).unwrap();
     }
 }
@@ -1114,15 +1393,21 @@ fn test_too_large_cmsgspace() {
 #[cfg(any(target_os = "android", target_os = "linux"))]
 fn test_impl_scm_credentials_and_rights(mut space: Vec<u8>) {
     use libc::ucred;
-    use nix::unistd::{pipe, write, close, getpid, getuid, getgid};
-    use nix::sys::socket::{socketpair, sendmsg, recvmsg, setsockopt,
-                           SockType, SockFlag,
-                           ControlMessage, ControlMessageOwned, MsgFlags};
     use nix::sys::socket::sockopt::PassCred;
+    use nix::sys::socket::{
+        recvmsg, sendmsg, setsockopt, socketpair, ControlMessage,
+        ControlMessageOwned, MsgFlags, SockFlag, SockType,
+    };
+    use nix::unistd::{close, getgid, getpid, getuid, pipe, write};
     use std::io::{IoSlice, IoSliceMut};
 
-    let (send, recv) = socketpair(AddressFamily::Unix, SockType::Stream, None, SockFlag::empty())
-        .unwrap();
+    let (send, recv) = socketpair(
+        AddressFamily::Unix,
+        SockType::Stream,
+        None,
+        SockFlag::empty(),
+    )
+    .unwrap();
     setsockopt(recv, PassCred, &true).unwrap();
 
     let (r, w) = pipe().unwrap();
@@ -1134,13 +1419,17 @@ fn test_impl_scm_credentials_and_rights(mut space: Vec<u8>) {
             pid: getpid().as_raw(),
             uid: getuid().as_raw(),
             gid: getgid().as_raw(),
-        }.into();
+        }
+        .into();
         let fds = [r];
         let cmsgs = [
             ControlMessage::ScmCredentials(&cred),
             ControlMessage::ScmRights(&fds),
         ];
-        assert_eq!(sendmsg::<()>(send, &iov, &cmsgs, MsgFlags::empty(), None).unwrap(), 5);
+        assert_eq!(
+            sendmsg::<()>(send, &iov, &cmsgs, MsgFlags::empty(), None).unwrap(),
+            5
+        );
         close(r).unwrap();
         close(send).unwrap();
     }
@@ -1148,7 +1437,9 @@ fn test_impl_scm_credentials_and_rights(mut space: Vec<u8>) {
     {
         let mut buf = [0u8; 5];
         let mut iov = [IoSliceMut::new(&mut buf[..])];
-        let msg = recvmsg::<()>(recv, &mut iov, Some(&mut space), MsgFlags::empty()).unwrap();
+        let msg =
+            recvmsg::<()>(recv, &mut iov, Some(&mut space), MsgFlags::empty())
+                .unwrap();
         let mut received_cred = None;
 
         assert_eq!(msg.cmsgs().count(), 2, "expected 2 cmsgs");
@@ -1172,7 +1463,9 @@ fn test_impl_scm_credentials_and_rights(mut space: Vec<u8>) {
         }
         received_cred.expect("no creds received");
         assert_eq!(msg.bytes, 5);
-        assert!(!msg.flags.intersects(MsgFlags::MSG_TRUNC | MsgFlags::MSG_CTRUNC));
+        assert!(!msg
+            .flags
+            .intersects(MsgFlags::MSG_TRUNC | MsgFlags::MSG_CTRUNC));
         close(recv).unwrap();
     }
 
@@ -1189,22 +1482,32 @@ fn test_impl_scm_credentials_and_rights(mut space: Vec<u8>) {
 // Test creating and using named unix domain sockets
 #[test]
 pub fn test_unixdomain() {
-    use nix::sys::socket::{SockType, SockFlag};
-    use nix::sys::socket::{bind, socket, connect, listen, accept, UnixAddr};
-    use nix::unistd::{read, write, close};
+    use nix::sys::socket::{accept, bind, connect, listen, socket, UnixAddr};
+    use nix::sys::socket::{SockFlag, SockType};
+    use nix::unistd::{close, read, write};
     use std::thread;
 
     let tempdir = tempfile::tempdir().unwrap();
     let sockname = tempdir.path().join("sock");
-    let s1 = socket(AddressFamily::Unix, SockType::Stream,
-                    SockFlag::empty(), None).expect("socket failed");
+    let s1 = socket(
+        AddressFamily::Unix,
+        SockType::Stream,
+        SockFlag::empty(),
+        None,
+    )
+    .expect("socket failed");
     let sockaddr = UnixAddr::new(&sockname).unwrap();
     bind(s1, &sockaddr).expect("bind failed");
     listen(s1, 10).expect("listen failed");
 
     let thr = thread::spawn(move || {
-        let s2 = socket(AddressFamily::Unix, SockType::Stream, SockFlag::empty(), None)
-                 .expect("socket failed");
+        let s2 = socket(
+            AddressFamily::Unix,
+            SockType::Stream,
+            SockFlag::empty(),
+            None,
+        )
+        .expect("socket failed");
         connect(s2, &sockaddr).expect("connect failed");
         write(s2, b"hello").expect("write failed");
         close(s2).unwrap();
@@ -1212,7 +1515,7 @@ pub fn test_unixdomain() {
 
     let s3 = accept(s1).expect("accept failed");
 
-    let mut buf = [0;5];
+    let mut buf = [0; 5];
     read(s3, &mut buf).unwrap();
     close(s3).unwrap();
     close(s1).unwrap();
@@ -1226,14 +1529,23 @@ pub fn test_unixdomain() {
 #[test]
 pub fn test_syscontrol() {
     use nix::errno::Errno;
-    use nix::sys::socket::{socket, SysControlAddr, SockType, SockFlag, SockProtocol};
+    use nix::sys::socket::{
+        socket, SockFlag, SockProtocol, SockType, SysControlAddr,
+    };
 
-    let fd = socket(AddressFamily::System, SockType::Datagram,
-                    SockFlag::empty(), SockProtocol::KextControl)
-             .expect("socket failed");
+    let fd = socket(
+        AddressFamily::System,
+        SockType::Datagram,
+        SockFlag::empty(),
+        SockProtocol::KextControl,
+    )
+    .expect("socket failed");
     SysControlAddr::from_name(fd, "com.apple.net.utun_control", 0)
         .expect("resolving sys_control name failed");
-    assert_eq!(SysControlAddr::from_name(fd, "foo.bar.lol", 0).err(), Some(Errno::ENOENT));
+    assert_eq!(
+        SysControlAddr::from_name(fd, "foo.bar.lol", 0).err(),
+        Some(Errno::ENOENT)
+    );
 
     // requires root privileges
     // connect(fd, &sockaddr).expect("connect failed");
@@ -1248,31 +1560,30 @@ pub fn test_syscontrol() {
     target_os = "netbsd",
     target_os = "openbsd",
 ))]
-fn loopback_address(family: AddressFamily) -> Option<nix::ifaddrs::InterfaceAddress> {
-    use std::io;
-    use std::io::Write;
+fn loopback_address(
+    family: AddressFamily,
+) -> Option<nix::ifaddrs::InterfaceAddress> {
     use nix::ifaddrs::getifaddrs;
     use nix::net::if_::*;
     use nix::sys::socket::SockaddrLike;
+    use std::io;
+    use std::io::Write;
 
-    let addrs = match getifaddrs() {
+    let mut addrs = match getifaddrs() {
         Ok(iter) => iter,
         Err(e) => {
             let stdioerr = io::stderr();
             let mut handle = stdioerr.lock();
             writeln!(handle, "getifaddrs: {:?}", e).unwrap();
             return None;
-        },
+        }
     };
     // return first address matching family
-    for ifaddr in addrs {
-        if ifaddr.flags.contains(InterfaceFlags::IFF_LOOPBACK) &&
-           ifaddr.address.as_ref().and_then(SockaddrLike::family) == Some(family)
-        {
-            return Some(ifaddr)
-        }
-    }
-    None
+    addrs.find(|ifaddr| {
+        ifaddr.flags.contains(InterfaceFlags::IFF_LOOPBACK)
+            && ifaddr.address.as_ref().and_then(SockaddrLike::family)
+                == Some(family)
+    })
 }
 
 #[cfg(any(
@@ -1283,35 +1594,41 @@ fn loopback_address(family: AddressFamily) -> Option<nix::ifaddrs::InterfaceAddr
     target_os = "netbsd",
 ))]
 // qemu doesn't seem to be emulating this correctly in these architectures
-#[cfg_attr(all(
-    qemu,
-    any(
-        target_arch = "mips",
-        target_arch = "mips64",
-        target_arch = "powerpc64",
-    )
-), ignore)]
+#[cfg_attr(
+    all(
+        qemu,
+        any(
+            target_arch = "mips",
+            target_arch = "mips64",
+            target_arch = "powerpc64",
+        )
+    ),
+    ignore
+)]
 #[test]
 pub fn test_recv_ipv4pktinfo() {
+    use nix::net::if_::*;
     use nix::sys::socket::sockopt::Ipv4PacketInfo;
-    use nix::sys::socket::{bind, SockaddrIn, SockFlag, SockType};
+    use nix::sys::socket::{bind, SockFlag, SockType, SockaddrIn};
     use nix::sys::socket::{getsockname, setsockopt, socket};
     use nix::sys::socket::{recvmsg, sendmsg, ControlMessageOwned, MsgFlags};
-    use nix::net::if_::*;
     use std::io::{IoSlice, IoSliceMut};
 
     let lo_ifaddr = loopback_address(AddressFamily::Inet);
     let (lo_name, lo) = match lo_ifaddr {
-        Some(ifaddr) => (ifaddr.interface_name,
-                         ifaddr.address.expect("Expect IPv4 address on interface")),
+        Some(ifaddr) => (
+            ifaddr.interface_name,
+            ifaddr.address.expect("Expect IPv4 address on interface"),
+        ),
         None => return,
     };
     let receive = socket(
-            AddressFamily::Inet,
-            SockType::Datagram,
-            SockFlag::empty(),
-            None,
-        ).expect("receive socket failed");
+        AddressFamily::Inet,
+        SockType::Datagram,
+        SockFlag::empty(),
+        None,
+    )
+    .expect("receive socket failed");
     bind(receive, &lo).expect("bind failed");
     let sa: SockaddrIn = getsockname(receive).expect("getsockname failed");
     setsockopt(receive, Ipv4PacketInfo, &true).expect("setsockopt failed");
@@ -1325,8 +1642,10 @@ pub fn test_recv_ipv4pktinfo() {
             SockType::Datagram,
             SockFlag::empty(),
             None,
-        ).expect("send socket failed");
-        sendmsg(send, &iov, &[], MsgFlags::empty(), Some(&sa)).expect("sendmsg failed");
+        )
+        .expect("send socket failed");
+        sendmsg(send, &iov, &[], MsgFlags::empty(), Some(&sa))
+            .expect("sendmsg failed");
     }
 
     {
@@ -1339,29 +1658,25 @@ pub fn test_recv_ipv4pktinfo() {
             &mut iovec,
             Some(&mut space),
             MsgFlags::empty(),
-        ).expect("recvmsg failed");
-        assert!(
-            !msg.flags
-                .intersects(MsgFlags::MSG_TRUNC | MsgFlags::MSG_CTRUNC)
-        );
+        )
+        .expect("recvmsg failed");
+        assert!(!msg
+            .flags
+            .intersects(MsgFlags::MSG_TRUNC | MsgFlags::MSG_CTRUNC));
 
         let mut cmsgs = msg.cmsgs();
-        if let Some(ControlMessageOwned::Ipv4PacketInfo(pktinfo)) = cmsgs.next() {
+        if let Some(ControlMessageOwned::Ipv4PacketInfo(pktinfo)) = cmsgs.next()
+        {
             let i = if_nametoindex(lo_name.as_bytes()).expect("if_nametoindex");
             assert_eq!(
-                pktinfo.ipi_ifindex as libc::c_uint,
-                i,
+                pktinfo.ipi_ifindex as libc::c_uint, i,
                 "unexpected ifindex (expected {}, got {})",
-                i,
-                pktinfo.ipi_ifindex
+                i, pktinfo.ipi_ifindex
             );
         }
         assert!(cmsgs.next().is_none(), "unexpected additional control msg");
         assert_eq!(msg.bytes, 8);
-        assert_eq!(
-            *iovec[0],
-            [1u8, 2, 3, 4, 5, 6, 7, 8]
-        );
+        assert_eq!(*iovec[0], [1u8, 2, 3, 4, 5, 6, 7, 8]);
     }
 }
 
@@ -1373,27 +1688,32 @@ pub fn test_recv_ipv4pktinfo() {
     target_os = "openbsd",
 ))]
 // qemu doesn't seem to be emulating this correctly in these architectures
-#[cfg_attr(all(
-    qemu,
-    any(
-        target_arch = "mips",
-        target_arch = "mips64",
-        target_arch = "powerpc64",
-    )
-), ignore)]
+#[cfg_attr(
+    all(
+        qemu,
+        any(
+            target_arch = "mips",
+            target_arch = "mips64",
+            target_arch = "powerpc64",
+        )
+    ),
+    ignore
+)]
 #[test]
 pub fn test_recvif() {
     use nix::net::if_::*;
-    use nix::sys::socket::sockopt::{Ipv4RecvIf, Ipv4RecvDstAddr};
-    use nix::sys::socket::{bind, SockaddrIn, SockFlag, SockType};
+    use nix::sys::socket::sockopt::{Ipv4RecvDstAddr, Ipv4RecvIf};
+    use nix::sys::socket::{bind, SockFlag, SockType, SockaddrIn};
     use nix::sys::socket::{getsockname, setsockopt, socket};
     use nix::sys::socket::{recvmsg, sendmsg, ControlMessageOwned, MsgFlags};
     use std::io::{IoSlice, IoSliceMut};
 
     let lo_ifaddr = loopback_address(AddressFamily::Inet);
     let (lo_name, lo) = match lo_ifaddr {
-        Some(ifaddr) => (ifaddr.interface_name,
-                         ifaddr.address.expect("Expect IPv4 address on interface")),
+        Some(ifaddr) => (
+            ifaddr.interface_name,
+            ifaddr.address.expect("Expect IPv4 address on interface"),
+        ),
         None => return,
     };
     let receive = socket(
@@ -1401,11 +1721,14 @@ pub fn test_recvif() {
         SockType::Datagram,
         SockFlag::empty(),
         None,
-    ).expect("receive socket failed");
+    )
+    .expect("receive socket failed");
     bind(receive, &lo).expect("bind failed");
     let sa: SockaddrIn = getsockname(receive).expect("getsockname failed");
-    setsockopt(receive, Ipv4RecvIf, &true).expect("setsockopt IP_RECVIF failed");
-    setsockopt(receive, Ipv4RecvDstAddr, &true).expect("setsockopt IP_RECVDSTADDR failed");
+    setsockopt(receive, Ipv4RecvIf, &true)
+        .expect("setsockopt IP_RECVIF failed");
+    setsockopt(receive, Ipv4RecvDstAddr, &true)
+        .expect("setsockopt IP_RECVDSTADDR failed");
 
     {
         let slice = [1u8, 2, 3, 4, 5, 6, 7, 8];
@@ -1416,8 +1739,10 @@ pub fn test_recvif() {
             SockType::Datagram,
             SockFlag::empty(),
             None,
-        ).expect("send socket failed");
-        sendmsg(send, &iov, &[], MsgFlags::empty(), Some(&sa)).expect("sendmsg failed");
+        )
+        .expect("send socket failed");
+        sendmsg(send, &iov, &[], MsgFlags::empty(), Some(&sa))
+            .expect("sendmsg failed");
     }
 
     {
@@ -1429,11 +1754,11 @@ pub fn test_recvif() {
             &mut iovec,
             Some(&mut space),
             MsgFlags::empty(),
-        ).expect("recvmsg failed");
-        assert!(
-            !msg.flags
-                .intersects(MsgFlags::MSG_TRUNC | MsgFlags::MSG_CTRUNC)
-        );
+        )
+        .expect("recvmsg failed");
+        assert!(!msg
+            .flags
+            .intersects(MsgFlags::MSG_TRUNC | MsgFlags::MSG_CTRUNC));
         assert_eq!(msg.cmsgs().count(), 2, "expected 2 cmsgs");
 
         let mut rx_recvif = false;
@@ -1442,15 +1767,14 @@ pub fn test_recvif() {
             match cmsg {
                 ControlMessageOwned::Ipv4RecvIf(dl) => {
                     rx_recvif = true;
-                    let i = if_nametoindex(lo_name.as_bytes()).expect("if_nametoindex");
+                    let i = if_nametoindex(lo_name.as_bytes())
+                        .expect("if_nametoindex");
                     assert_eq!(
-                        dl.sdl_index as libc::c_uint,
-                        i,
+                        dl.sdl_index as libc::c_uint, i,
                         "unexpected ifindex (expected {}, got {})",
-                        i,
-                        dl.sdl_index
+                        i, dl.sdl_index
                     );
-                },
+                }
                 ControlMessageOwned::Ipv4RecvDstAddr(addr) => {
                     rx_recvdstaddr = true;
                     if let Some(sin) = lo.as_sockaddr_in() {
@@ -1462,17 +1786,184 @@ pub fn test_recvif() {
                     } else {
                         panic!("unexpected Sockaddr");
                     }
-                },
+                }
                 _ => panic!("unexpected additional control msg"),
             }
         }
         assert!(rx_recvif);
         assert!(rx_recvdstaddr);
         assert_eq!(msg.bytes, 8);
-        assert_eq!(
-            *iovec[0],
-            [1u8, 2, 3, 4, 5, 6, 7, 8]
-        );
+        assert_eq!(*iovec[0], [1u8, 2, 3, 4, 5, 6, 7, 8]);
+    }
+}
+
+#[cfg(any(target_os = "android", target_os = "freebsd", target_os = "linux"))]
+#[cfg_attr(qemu, ignore)]
+#[test]
+pub fn test_recvif_ipv4() {
+    use nix::sys::socket::sockopt::Ipv4OrigDstAddr;
+    use nix::sys::socket::{bind, SockFlag, SockType, SockaddrIn};
+    use nix::sys::socket::{getsockname, setsockopt, socket};
+    use nix::sys::socket::{recvmsg, sendmsg, ControlMessageOwned, MsgFlags};
+    use std::io::{IoSlice, IoSliceMut};
+
+    let lo_ifaddr = loopback_address(AddressFamily::Inet);
+    let (_lo_name, lo) = match lo_ifaddr {
+        Some(ifaddr) => (
+            ifaddr.interface_name,
+            ifaddr.address.expect("Expect IPv4 address on interface"),
+        ),
+        None => return,
+    };
+    let receive = socket(
+        AddressFamily::Inet,
+        SockType::Datagram,
+        SockFlag::empty(),
+        None,
+    )
+    .expect("receive socket failed");
+    bind(receive, &lo).expect("bind failed");
+    let sa: SockaddrIn = getsockname(receive).expect("getsockname failed");
+    setsockopt(receive, Ipv4OrigDstAddr, &true)
+        .expect("setsockopt IP_ORIGDSTADDR failed");
+
+    {
+        let slice = [1u8, 2, 3, 4, 5, 6, 7, 8];
+        let iov = [IoSlice::new(&slice)];
+
+        let send = socket(
+            AddressFamily::Inet,
+            SockType::Datagram,
+            SockFlag::empty(),
+            None,
+        )
+        .expect("send socket failed");
+        sendmsg(send, &iov, &[], MsgFlags::empty(), Some(&sa))
+            .expect("sendmsg failed");
+    }
+
+    {
+        let mut buf = [0u8; 8];
+        let mut iovec = [IoSliceMut::new(&mut buf)];
+        let mut space = cmsg_space!(libc::sockaddr_in);
+        let msg = recvmsg::<()>(
+            receive,
+            &mut iovec,
+            Some(&mut space),
+            MsgFlags::empty(),
+        )
+        .expect("recvmsg failed");
+        assert!(!msg
+            .flags
+            .intersects(MsgFlags::MSG_TRUNC | MsgFlags::MSG_CTRUNC));
+        assert_eq!(msg.cmsgs().count(), 1, "expected 1 cmsgs");
+
+        let mut rx_recvorigdstaddr = false;
+        for cmsg in msg.cmsgs() {
+            match cmsg {
+                ControlMessageOwned::Ipv4OrigDstAddr(addr) => {
+                    rx_recvorigdstaddr = true;
+                    if let Some(sin) = lo.as_sockaddr_in() {
+                        assert_eq!(sin.as_ref().sin_addr.s_addr,
+                                   addr.sin_addr.s_addr,
+                                   "unexpected destination address (expected {}, got {})",
+                                   sin.as_ref().sin_addr.s_addr,
+                                   addr.sin_addr.s_addr);
+                    } else {
+                        panic!("unexpected Sockaddr");
+                    }
+                }
+                _ => panic!("unexpected additional control msg"),
+            }
+        }
+        assert!(rx_recvorigdstaddr);
+        assert_eq!(msg.bytes, 8);
+        assert_eq!(*iovec[0], [1u8, 2, 3, 4, 5, 6, 7, 8]);
+    }
+}
+
+#[cfg(any(target_os = "android", target_os = "freebsd", target_os = "linux"))]
+#[cfg_attr(qemu, ignore)]
+#[test]
+pub fn test_recvif_ipv6() {
+    use nix::sys::socket::sockopt::Ipv6OrigDstAddr;
+    use nix::sys::socket::{bind, SockFlag, SockType, SockaddrIn6};
+    use nix::sys::socket::{getsockname, setsockopt, socket};
+    use nix::sys::socket::{recvmsg, sendmsg, ControlMessageOwned, MsgFlags};
+    use std::io::{IoSlice, IoSliceMut};
+
+    let lo_ifaddr = loopback_address(AddressFamily::Inet6);
+    let (_lo_name, lo) = match lo_ifaddr {
+        Some(ifaddr) => (
+            ifaddr.interface_name,
+            ifaddr.address.expect("Expect IPv6 address on interface"),
+        ),
+        None => return,
+    };
+    let receive = socket(
+        AddressFamily::Inet6,
+        SockType::Datagram,
+        SockFlag::empty(),
+        None,
+    )
+    .expect("receive socket failed");
+    bind(receive, &lo).expect("bind failed");
+    let sa: SockaddrIn6 = getsockname(receive).expect("getsockname failed");
+    setsockopt(receive, Ipv6OrigDstAddr, &true)
+        .expect("setsockopt IP_ORIGDSTADDR failed");
+
+    {
+        let slice = [1u8, 2, 3, 4, 5, 6, 7, 8];
+        let iov = [IoSlice::new(&slice)];
+
+        let send = socket(
+            AddressFamily::Inet6,
+            SockType::Datagram,
+            SockFlag::empty(),
+            None,
+        )
+        .expect("send socket failed");
+        sendmsg(send, &iov, &[], MsgFlags::empty(), Some(&sa))
+            .expect("sendmsg failed");
+    }
+
+    {
+        let mut buf = [0u8; 8];
+        let mut iovec = [IoSliceMut::new(&mut buf)];
+        let mut space = cmsg_space!(libc::sockaddr_in6);
+        let msg = recvmsg::<()>(
+            receive,
+            &mut iovec,
+            Some(&mut space),
+            MsgFlags::empty(),
+        )
+        .expect("recvmsg failed");
+        assert!(!msg
+            .flags
+            .intersects(MsgFlags::MSG_TRUNC | MsgFlags::MSG_CTRUNC));
+        assert_eq!(msg.cmsgs().count(), 1, "expected 1 cmsgs");
+
+        let mut rx_recvorigdstaddr = false;
+        for cmsg in msg.cmsgs() {
+            match cmsg {
+                ControlMessageOwned::Ipv6OrigDstAddr(addr) => {
+                    rx_recvorigdstaddr = true;
+                    if let Some(sin) = lo.as_sockaddr_in6() {
+                        assert_eq!(sin.as_ref().sin6_addr.s6_addr,
+                                   addr.sin6_addr.s6_addr,
+                                   "unexpected destination address (expected {:?}, got {:?})",
+                                   sin.as_ref().sin6_addr.s6_addr,
+                                   addr.sin6_addr.s6_addr);
+                    } else {
+                        panic!("unexpected Sockaddr");
+                    }
+                }
+                _ => panic!("unexpected additional control msg"),
+            }
+        }
+        assert!(rx_recvorigdstaddr);
+        assert_eq!(msg.bytes, 8);
+        assert_eq!(*iovec[0], [1u8, 2, 3, 4, 5, 6, 7, 8]);
     }
 }
 
@@ -1486,27 +1977,32 @@ pub fn test_recvif() {
     target_os = "openbsd",
 ))]
 // qemu doesn't seem to be emulating this correctly in these architectures
-#[cfg_attr(all(
-    qemu,
-    any(
-        target_arch = "mips",
-        target_arch = "mips64",
-        target_arch = "powerpc64",
-    )
-), ignore)]
+#[cfg_attr(
+    all(
+        qemu,
+        any(
+            target_arch = "mips",
+            target_arch = "mips64",
+            target_arch = "powerpc64",
+        )
+    ),
+    ignore
+)]
 #[test]
 pub fn test_recv_ipv6pktinfo() {
     use nix::net::if_::*;
     use nix::sys::socket::sockopt::Ipv6RecvPacketInfo;
-    use nix::sys::socket::{bind, SockaddrIn6, SockFlag, SockType};
+    use nix::sys::socket::{bind, SockFlag, SockType, SockaddrIn6};
     use nix::sys::socket::{getsockname, setsockopt, socket};
     use nix::sys::socket::{recvmsg, sendmsg, ControlMessageOwned, MsgFlags};
     use std::io::{IoSlice, IoSliceMut};
 
     let lo_ifaddr = loopback_address(AddressFamily::Inet6);
     let (lo_name, lo) = match lo_ifaddr {
-        Some(ifaddr) => (ifaddr.interface_name,
-                         ifaddr.address.expect("Expect IPv4 address on interface")),
+        Some(ifaddr) => (
+            ifaddr.interface_name,
+            ifaddr.address.expect("Expect IPv6 address on interface"),
+        ),
         None => return,
     };
     let receive = socket(
@@ -1514,7 +2010,8 @@ pub fn test_recv_ipv6pktinfo() {
         SockType::Datagram,
         SockFlag::empty(),
         None,
-    ).expect("receive socket failed");
+    )
+    .expect("receive socket failed");
     bind(receive, &lo).expect("bind failed");
     let sa: SockaddrIn6 = getsockname(receive).expect("getsockname failed");
     setsockopt(receive, Ipv6RecvPacketInfo, &true).expect("setsockopt failed");
@@ -1528,8 +2025,10 @@ pub fn test_recv_ipv6pktinfo() {
             SockType::Datagram,
             SockFlag::empty(),
             None,
-        ).expect("send socket failed");
-        sendmsg(send, &iov, &[], MsgFlags::empty(), Some(&sa)).expect("sendmsg failed");
+        )
+        .expect("send socket failed");
+        sendmsg(send, &iov, &[], MsgFlags::empty(), Some(&sa))
+            .expect("sendmsg failed");
     }
 
     {
@@ -1542,30 +2041,25 @@ pub fn test_recv_ipv6pktinfo() {
             &mut iovec,
             Some(&mut space),
             MsgFlags::empty(),
-        ).expect("recvmsg failed");
-        assert!(
-            !msg.flags
-                .intersects(MsgFlags::MSG_TRUNC | MsgFlags::MSG_CTRUNC)
-        );
+        )
+        .expect("recvmsg failed");
+        assert!(!msg
+            .flags
+            .intersects(MsgFlags::MSG_TRUNC | MsgFlags::MSG_CTRUNC));
 
         let mut cmsgs = msg.cmsgs();
         if let Some(ControlMessageOwned::Ipv6PacketInfo(pktinfo)) = cmsgs.next()
         {
             let i = if_nametoindex(lo_name.as_bytes()).expect("if_nametoindex");
             assert_eq!(
-                pktinfo.ipi6_ifindex as libc::c_uint,
-                i,
+                pktinfo.ipi6_ifindex as libc::c_uint, i,
                 "unexpected ifindex (expected {}, got {})",
-                i,
-                pktinfo.ipi6_ifindex
+                i, pktinfo.ipi6_ifindex
             );
         }
         assert!(cmsgs.next().is_none(), "unexpected additional control msg");
         assert_eq!(msg.bytes, 8);
-        assert_eq!(
-            *iovec[0],
-            [1u8, 2, 3, 4, 5, 6, 7, 8]
-        );
+        assert_eq!(*iovec[0], [1u8, 2, 3, 4, 5, 6, 7, 8]);
     }
 }
 
@@ -1574,21 +2068,26 @@ pub fn test_recv_ipv6pktinfo() {
 #[test]
 pub fn test_vsock() {
     use nix::errno::Errno;
-    use nix::sys::socket::{AddressFamily, socket, bind, connect, listen,
-                           SockType, SockFlag, VsockAddr};
-    use nix::unistd::{close};
+    use nix::sys::socket::{
+        bind, connect, listen, socket, AddressFamily, SockFlag, SockType,
+        VsockAddr,
+    };
+    use nix::unistd::close;
     use std::thread;
 
     let port: u32 = 3000;
 
-    let s1 = socket(AddressFamily::Vsock,  SockType::Stream,
-                    SockFlag::empty(), None)
-             .expect("socket failed");
+    let s1 = socket(
+        AddressFamily::Vsock,
+        SockType::Stream,
+        SockFlag::empty(),
+        None,
+    )
+    .expect("socket failed");
 
     // VMADDR_CID_HYPERVISOR is reserved, so we expect an EADDRNOTAVAIL error.
     let sockaddr_hv = VsockAddr::new(libc::VMADDR_CID_HYPERVISOR, port);
-    assert_eq!(bind(s1, &sockaddr_hv).err(),
-               Some(Errno::EADDRNOTAVAIL));
+    assert_eq!(bind(s1, &sockaddr_hv).err(), Some(Errno::EADDRNOTAVAIL));
 
     let sockaddr_any = VsockAddr::new(libc::VMADDR_CID_ANY, port);
     assert_eq!(bind(s1, &sockaddr_any), Ok(()));
@@ -1597,9 +2096,13 @@ pub fn test_vsock() {
     let thr = thread::spawn(move || {
         let cid: u32 = libc::VMADDR_CID_HOST;
 
-        let s2 = socket(AddressFamily::Vsock, SockType::Stream,
-                        SockFlag::empty(), None)
-                 .expect("socket failed");
+        let s2 = socket(
+            AddressFamily::Vsock,
+            SockType::Stream,
+            SockFlag::empty(),
+            None,
+        )
+        .expect("socket failed");
 
         let sockaddr_host = VsockAddr::new(cid, port);
 
@@ -1621,8 +2124,8 @@ pub fn test_vsock() {
 #[test]
 fn test_recvmsg_timestampns() {
     use nix::sys::socket::*;
-    use std::io::{IoSlice, IoSliceMut};
     use nix::sys::time::*;
+    use std::io::{IoSlice, IoSliceMut};
     use std::time::*;
 
     // Set up
@@ -1631,7 +2134,9 @@ fn test_recvmsg_timestampns() {
         AddressFamily::Inet,
         SockType::Datagram,
         SockFlag::empty(),
-        None).unwrap();
+        None,
+    )
+    .unwrap();
     setsockopt(in_socket, sockopt::ReceiveTimestampns, &true).unwrap();
     let localhost = SockaddrIn::new(127, 0, 0, 1, 0);
     bind(in_socket, &localhost).unwrap();
@@ -1648,18 +2153,19 @@ fn test_recvmsg_timestampns() {
     let mut cmsgspace = nix::cmsg_space!(TimeSpec);
 
     let mut iov = [IoSliceMut::new(&mut buffer)];
-    let r = recvmsg::<()>(in_socket, &mut iov, Some(&mut cmsgspace), flags).unwrap();
+    let r = recvmsg::<()>(in_socket, &mut iov, Some(&mut cmsgspace), flags)
+        .unwrap();
     let rtime = match r.cmsgs().next() {
         Some(ControlMessageOwned::ScmTimestampns(rtime)) => rtime,
         Some(_) => panic!("Unexpected control message"),
-        None => panic!("No control message")
+        None => panic!("No control message"),
     };
     // Check the final time
     let time1 = SystemTime::now();
     // the packet's received timestamp should lie in-between the two system
     // times, unless the system clock was adjusted in the meantime.
-    let rduration = Duration::new(rtime.tv_sec() as u64,
-    rtime.tv_nsec() as u32);
+    let rduration =
+        Duration::new(rtime.tv_sec() as u64, rtime.tv_nsec() as u32);
     assert!(time0.duration_since(UNIX_EPOCH).unwrap() <= rduration);
     assert!(rduration <= time1.duration_since(UNIX_EPOCH).unwrap());
     // Close socket
@@ -1673,8 +2179,8 @@ fn test_recvmsg_timestampns() {
 #[test]
 fn test_recvmmsg_timestampns() {
     use nix::sys::socket::*;
-    use std::io::{IoSlice, IoSliceMut};
     use nix::sys::time::*;
+    use std::io::{IoSlice, IoSliceMut};
     use std::time::*;
 
     // Set up
@@ -1683,7 +2189,9 @@ fn test_recvmmsg_timestampns() {
         AddressFamily::Inet,
         SockType::Datagram,
         SockFlag::empty(),
-        None).unwrap();
+        None,
+    )
+    .unwrap();
     setsockopt(in_socket, sockopt::ReceiveTimestampns, &true).unwrap();
     let localhost = SockaddrIn::from_str("127.0.0.1:0").unwrap();
     bind(in_socket, &localhost).unwrap();
@@ -1699,24 +2207,23 @@ fn test_recvmmsg_timestampns() {
     let mut buffer = vec![0u8; message.len()];
     let mut cmsgspace = nix::cmsg_space!(TimeSpec);
     let iov = [IoSliceMut::new(&mut buffer)];
-    let mut data = vec![
-        RecvMmsgData {
-            iov,
-            cmsg_buffer: Some(&mut cmsgspace),
-        },
-    ];
-    let r: Vec<RecvMsg<()>> = recvmmsg(in_socket, &mut data, flags, None).unwrap();
+    let mut data = vec![RecvMmsgData {
+        iov,
+        cmsg_buffer: Some(&mut cmsgspace),
+    }];
+    let r: Vec<RecvMsg<()>> =
+        recvmmsg(in_socket, &mut data, flags, None).unwrap();
     let rtime = match r[0].cmsgs().next() {
         Some(ControlMessageOwned::ScmTimestampns(rtime)) => rtime,
         Some(_) => panic!("Unexpected control message"),
-        None => panic!("No control message")
+        None => panic!("No control message"),
     };
     // Check the final time
     let time1 = SystemTime::now();
     // the packet's received timestamp should lie in-between the two system
     // times, unless the system clock was adjusted in the meantime.
-    let rduration = Duration::new(rtime.tv_sec() as u64,
-    rtime.tv_nsec() as u32);
+    let rduration =
+        Duration::new(rtime.tv_sec() as u64, rtime.tv_nsec() as u32);
     assert!(time0.duration_since(UNIX_EPOCH).unwrap() <= rduration);
     assert!(rduration <= time1.duration_since(UNIX_EPOCH).unwrap());
     // Close socket
@@ -1729,10 +2236,10 @@ fn test_recvmmsg_timestampns() {
 #[cfg(any(target_os = "android", target_os = "fuchsia", target_os = "linux"))]
 #[test]
 fn test_recvmsg_rxq_ovfl() {
-    use nix::Error;
+    use nix::sys::socket::sockopt::{RcvBuf, RxqOvfl};
     use nix::sys::socket::*;
+    use nix::Error;
     use std::io::{IoSlice, IoSliceMut};
-    use nix::sys::socket::sockopt::{RxqOvfl, RcvBuf};
 
     let message = [0u8; 2048];
     let bufsize = message.len() * 2;
@@ -1741,12 +2248,16 @@ fn test_recvmsg_rxq_ovfl() {
         AddressFamily::Inet,
         SockType::Datagram,
         SockFlag::empty(),
-        None).unwrap();
+        None,
+    )
+    .unwrap();
     let out_socket = socket(
         AddressFamily::Inet,
         SockType::Datagram,
         SockFlag::empty(),
-        None).unwrap();
+        None,
+    )
+    .unwrap();
 
     let localhost = SockaddrIn::from_str("127.0.0.1:0").unwrap();
     bind(in_socket, &localhost).unwrap();
@@ -1769,7 +2280,8 @@ fn test_recvmsg_rxq_ovfl() {
         // Send the 3 messages (the receiver buffer can only hold 2 messages)
         // to create an overflow.
         for _ in 0..3 {
-            let l = sendmsg(out_socket, &iov, &[], flags, Some(&address)).unwrap();
+            let l =
+                sendmsg(out_socket, &iov, &[], flags, Some(&address)).unwrap();
             assert_eq!(message.len(), l);
         }
 
@@ -1784,16 +2296,23 @@ fn test_recvmsg_rxq_ovfl() {
                 in_socket,
                 &mut iov,
                 Some(&mut cmsgspace),
-                MsgFlags::MSG_DONTWAIT) {
+                MsgFlags::MSG_DONTWAIT,
+            ) {
                 Ok(r) => {
                     drop_counter = match r.cmsgs().next() {
-                        Some(ControlMessageOwned::RxqOvfl(drop_counter)) => drop_counter,
+                        Some(ControlMessageOwned::RxqOvfl(drop_counter)) => {
+                            drop_counter
+                        }
                         Some(_) => panic!("Unexpected control message"),
                         None => 0,
                     };
-                },
-                Err(Error::EAGAIN) => { break; },
-                _ => { panic!("unknown recvmsg() error"); },
+                }
+                Err(Error::EAGAIN) => {
+                    break;
+                }
+                _ => {
+                    panic!("unknown recvmsg() error");
+                }
             }
         }
     }
@@ -1806,13 +2325,10 @@ fn test_recvmsg_rxq_ovfl() {
     nix::unistd::close(out_socket).unwrap();
 }
 
-#[cfg(any(
-    target_os = "linux",
-    target_os = "android",
-))]
+#[cfg(any(target_os = "linux", target_os = "android",))]
 mod linux_errqueue {
-    use nix::sys::socket::*;
     use super::FromStr;
+    use nix::sys::socket::*;
 
     // Send a UDP datagram to a bogus destination address and observe an ICMP error (v4).
     //
@@ -1840,11 +2356,16 @@ mod linux_errqueue {
             // Closure handles protocol-specific testing and returns generic sock_extended_err for
             // protocol-independent test impl.
             |cmsg| {
-                if let ControlMessageOwned::Ipv4RecvErr(ext_err, err_addr) = cmsg {
+                if let ControlMessageOwned::Ipv4RecvErr(ext_err, err_addr) =
+                    cmsg
+                {
                     if let Some(origin) = err_addr {
                         // Validate that our network error originated from 127.0.0.1:0.
                         assert_eq!(origin.sin_family, AddressFamily::Inet as _);
-                        assert_eq!(origin.sin_addr.s_addr, u32::from_be(0x7f000001));
+                        assert_eq!(
+                            origin.sin_addr.s_addr,
+                            u32::from_be(0x7f000001)
+                        );
                         assert_eq!(origin.sin_port, 0);
                     } else {
                         panic!("Expected some error origin");
@@ -1883,10 +2404,15 @@ mod linux_errqueue {
             // Closure handles protocol-specific testing and returns generic sock_extended_err for
             // protocol-independent test impl.
             |cmsg| {
-                if let ControlMessageOwned::Ipv6RecvErr(ext_err, err_addr) = cmsg {
+                if let ControlMessageOwned::Ipv6RecvErr(ext_err, err_addr) =
+                    cmsg
+                {
                     if let Some(origin) = err_addr {
                         // Validate that our network error originated from localhost:0.
-                        assert_eq!(origin.sin6_family, AddressFamily::Inet6 as _);
+                        assert_eq!(
+                            origin.sin6_family,
+                            AddressFamily::Inet6 as _
+                        );
                         assert_eq!(
                             origin.sin6_addr.s6_addr,
                             std::net::Ipv6Addr::LOCALHOST.octets()
@@ -1903,16 +2429,17 @@ mod linux_errqueue {
         )
     }
 
-    fn test_recverr_impl<SA, OPT, TESTF>(sa: &str,
-                                         af: AddressFamily,
-                                         opt: OPT,
-                                         ee_origin: u8,
-                                         ee_type: u8,
-                                         ee_code: u8,
-                                         testf: TESTF)
-        where
-            OPT: SetSockOpt<Val = bool>,
-            TESTF: FnOnce(&ControlMessageOwned) -> libc::sock_extended_err,
+    fn test_recverr_impl<SA, OPT, TESTF>(
+        sa: &str,
+        af: AddressFamily,
+        opt: OPT,
+        ee_origin: u8,
+        ee_type: u8,
+        ee_code: u8,
+        testf: TESTF,
+    ) where
+        OPT: SetSockOpt<Val = bool>,
+        TESTF: FnOnce(&ControlMessageOwned) -> libc::sock_extended_err,
     {
         use nix::errno::Errno;
         use std::io::IoSliceMut;
@@ -1920,9 +2447,15 @@ mod linux_errqueue {
         const MESSAGE_CONTENTS: &str = "ABCDEF";
         let std_sa = std::net::SocketAddr::from_str(sa).unwrap();
         let sock_addr = SockaddrStorage::from(std_sa);
-        let sock = socket(af, SockType::Datagram, SockFlag::SOCK_CLOEXEC, None).unwrap();
+        let sock = socket(af, SockType::Datagram, SockFlag::SOCK_CLOEXEC, None)
+            .unwrap();
         setsockopt(sock, opt, &true).unwrap();
-        if let Err(e) = sendto(sock, MESSAGE_CONTENTS.as_bytes(), &sock_addr, MsgFlags::empty()) {
+        if let Err(e) = sendto(
+            sock,
+            MESSAGE_CONTENTS.as_bytes(),
+            &sock_addr,
+            MsgFlags::empty(),
+        ) {
             assert_eq!(e, Errno::EADDRNOTAVAIL);
             println!("{:?} not available, skipping test.", af);
             return;
@@ -1932,7 +2465,13 @@ mod linux_errqueue {
         let mut iovec = [IoSliceMut::new(&mut buf)];
         let mut cspace = cmsg_space!(libc::sock_extended_err, SA);
 
-        let msg = recvmsg(sock, &mut iovec, Some(&mut cspace), MsgFlags::MSG_ERRQUEUE).unwrap();
+        let msg = recvmsg(
+            sock,
+            &mut iovec,
+            Some(&mut cspace),
+            MsgFlags::MSG_ERRQUEUE,
+        )
+        .unwrap();
         // The sent message / destination associated with the error is returned:
         assert_eq!(msg.bytes, MESSAGE_CONTENTS.as_bytes().len());
         // recvmsg(2): "The original destination address of the datagram that caused the error is
@@ -1969,10 +2508,10 @@ mod linux_errqueue {
 pub fn test_txtime() {
     use nix::sys::socket::{
         bind, recvmsg, sendmsg, setsockopt, socket, sockopt, ControlMessage,
-        MsgFlags, SockaddrIn, SockFlag, SockType,
+        MsgFlags, SockFlag, SockType, SockaddrIn,
     };
     use nix::sys::time::TimeValLike;
-    use nix::time::{ClockId, clock_gettime};
+    use nix::time::{clock_gettime, ClockId};
 
     require_kernel_version!(test_txtime, ">= 5.8");
 
@@ -2009,7 +2548,8 @@ pub fn test_txtime() {
     let txtime = (now + delay).num_nanoseconds() as u64;
 
     let cmsg = ControlMessage::TxTime(&txtime);
-    sendmsg(ssock, &iov1, &[cmsg], MsgFlags::empty(), Some(&sock_addr)).unwrap();
+    sendmsg(ssock, &iov1, &[cmsg], MsgFlags::empty(), Some(&sock_addr))
+        .unwrap();
 
     let mut rbuf = [0u8; 2048];
     let mut iov2 = [std::io::IoSliceMut::new(&mut rbuf)];
diff --git a/bash-5.1/vendor/nix/test/sys/test_sockopt.rs b/bash-5.1/vendor/nix/test/sys/test_sockopt.rs
index 4f75e1784683bd9edeb14680314800b0c82cb733..2ddbf77b83ff766aad92c8f5b5f7b1409761772d 100644
--- a/bash-5.1/vendor/nix/test/sys/test_sockopt.rs
+++ b/bash-5.1/vendor/nix/test/sys/test_sockopt.rs
@@ -1,22 +1,27 @@
-use rand::{thread_rng, Rng};
-use nix::sys::socket::{socket, sockopt, getsockopt, setsockopt, AddressFamily, SockType, SockFlag, SockProtocol};
 #[cfg(any(target_os = "android", target_os = "linux"))]
 use crate::*;
+use nix::sys::socket::{
+    getsockopt, setsockopt, socket, sockopt, AddressFamily, SockFlag,
+    SockProtocol, SockType,
+};
+use rand::{thread_rng, Rng};
 
 // NB: FreeBSD supports LOCAL_PEERCRED for SOCK_SEQPACKET, but OSX does not.
-#[cfg(any(
-        target_os = "dragonfly",
-        target_os = "freebsd",
-))]
+#[cfg(any(target_os = "dragonfly", target_os = "freebsd",))]
 #[test]
 pub fn test_local_peercred_seqpacket() {
     use nix::{
+        sys::socket::socketpair,
         unistd::{Gid, Uid},
-        sys::socket::socketpair
     };
 
-    let (fd1, _fd2) = socketpair(AddressFamily::Unix, SockType::SeqPacket, None,
-                                SockFlag::empty()).unwrap();
+    let (fd1, _fd2) = socketpair(
+        AddressFamily::Unix,
+        SockType::SeqPacket,
+        None,
+        SockFlag::empty(),
+    )
+    .unwrap();
     let xucred = getsockopt(fd1, sockopt::LocalPeerCred).unwrap();
     assert_eq!(xucred.version(), 0);
     assert_eq!(Uid::from_raw(xucred.uid()), Uid::current());
@@ -24,20 +29,25 @@ pub fn test_local_peercred_seqpacket() {
 }
 
 #[cfg(any(
-        target_os = "dragonfly",
-        target_os = "freebsd",
-        target_os = "macos",
-        target_os = "ios"
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "macos",
+    target_os = "ios"
 ))]
 #[test]
 pub fn test_local_peercred_stream() {
     use nix::{
+        sys::socket::socketpair,
         unistd::{Gid, Uid},
-        sys::socket::socketpair
     };
 
-    let (fd1, _fd2) = socketpair(AddressFamily::Unix, SockType::Stream, None,
-                                SockFlag::empty()).unwrap();
+    let (fd1, _fd2) = socketpair(
+        AddressFamily::Unix,
+        SockType::Stream,
+        None,
+        SockFlag::empty(),
+    )
+    .unwrap();
     let xucred = getsockopt(fd1, sockopt::LocalPeerCred).unwrap();
     assert_eq!(xucred.version(), 0);
     assert_eq!(Uid::from_raw(xucred.uid()), Uid::current());
@@ -51,7 +61,13 @@ fn is_so_mark_functional() {
 
     require_capability!("is_so_mark_functional", CAP_NET_ADMIN);
 
-    let s = socket(AddressFamily::Inet, SockType::Stream, SockFlag::empty(), None).unwrap();
+    let s = socket(
+        AddressFamily::Inet,
+        SockType::Stream,
+        SockFlag::empty(),
+        None,
+    )
+    .unwrap();
     setsockopt(s, sockopt::Mark, &1337).unwrap();
     let mark = getsockopt(s, sockopt::Mark).unwrap();
     assert_eq!(mark, 1337);
@@ -59,8 +75,13 @@ fn is_so_mark_functional() {
 
 #[test]
 fn test_so_buf() {
-    let fd = socket(AddressFamily::Inet, SockType::Datagram, SockFlag::empty(), SockProtocol::Udp)
-             .unwrap();
+    let fd = socket(
+        AddressFamily::Inet,
+        SockType::Datagram,
+        SockFlag::empty(),
+        SockProtocol::Udp,
+    )
+    .unwrap();
     let bufsize: usize = thread_rng().gen_range(4096..131_072);
     setsockopt(fd, sockopt::SndBuf, &bufsize).unwrap();
     let actual = getsockopt(fd, sockopt::SndBuf).unwrap();
@@ -72,16 +93,21 @@ fn test_so_buf() {
 
 #[test]
 fn test_so_tcp_maxseg() {
-    use std::net::SocketAddrV4;
-    use std::str::FromStr;
     use nix::sys::socket::{accept, bind, connect, listen, SockaddrIn};
     use nix::unistd::{close, write};
+    use std::net::SocketAddrV4;
+    use std::str::FromStr;
 
     let std_sa = SocketAddrV4::from_str("127.0.0.1:4001").unwrap();
     let sock_addr = SockaddrIn::from(std_sa);
 
-    let rsock = socket(AddressFamily::Inet, SockType::Stream, SockFlag::empty(), SockProtocol::Tcp)
-                .unwrap();
+    let rsock = socket(
+        AddressFamily::Inet,
+        SockType::Stream,
+        SockFlag::empty(),
+        SockProtocol::Tcp,
+    )
+    .unwrap();
     bind(rsock, &sock_addr).unwrap();
     listen(rsock, 10).unwrap();
     let initial = getsockopt(rsock, sockopt::TcpMaxSeg).unwrap();
@@ -99,8 +125,13 @@ fn test_so_tcp_maxseg() {
     }
 
     // Connect and check the MSS that was advertised
-    let ssock = socket(AddressFamily::Inet, SockType::Stream, SockFlag::empty(), SockProtocol::Tcp)
-                .unwrap();
+    let ssock = socket(
+        AddressFamily::Inet,
+        SockType::Stream,
+        SockFlag::empty(),
+        SockProtocol::Tcp,
+    )
+    .unwrap();
     connect(ssock, &sock_addr).unwrap();
     let rsess = accept(rsock).unwrap();
     write(rsess, b"hello").unwrap();
@@ -132,17 +163,25 @@ fn test_so_tcp_maxseg() {
 fn test_tcp_congestion() {
     use std::ffi::OsString;
 
-    let fd = socket(AddressFamily::Inet, SockType::Stream, SockFlag::empty(), None).unwrap();
+    let fd = socket(
+        AddressFamily::Inet,
+        SockType::Stream,
+        SockFlag::empty(),
+        None,
+    )
+    .unwrap();
 
     let val = getsockopt(fd, sockopt::TcpCongestion).unwrap();
     setsockopt(fd, sockopt::TcpCongestion, &val).unwrap();
 
-    setsockopt(fd, sockopt::TcpCongestion, &OsString::from("tcp_congestion_does_not_exist")).unwrap_err();
+    setsockopt(
+        fd,
+        sockopt::TcpCongestion,
+        &OsString::from("tcp_congestion_does_not_exist"),
+    )
+    .unwrap_err();
 
-    assert_eq!(
-        getsockopt(fd, sockopt::TcpCongestion).unwrap(),
-        val
-    );
+    assert_eq!(getsockopt(fd, sockopt::TcpCongestion).unwrap(), val);
 }
 
 #[test]
@@ -150,28 +189,39 @@ fn test_tcp_congestion() {
 fn test_bindtodevice() {
     skip_if_not_root!("test_bindtodevice");
 
-    let fd = socket(AddressFamily::Inet, SockType::Stream, SockFlag::empty(), None).unwrap();
+    let fd = socket(
+        AddressFamily::Inet,
+        SockType::Stream,
+        SockFlag::empty(),
+        None,
+    )
+    .unwrap();
 
     let val = getsockopt(fd, sockopt::BindToDevice).unwrap();
     setsockopt(fd, sockopt::BindToDevice, &val).unwrap();
 
-    assert_eq!(
-        getsockopt(fd, sockopt::BindToDevice).unwrap(),
-        val
-    );
+    assert_eq!(getsockopt(fd, sockopt::BindToDevice).unwrap(), val);
 }
 
 #[test]
 fn test_so_tcp_keepalive() {
-    let fd = socket(AddressFamily::Inet, SockType::Stream, SockFlag::empty(), SockProtocol::Tcp).unwrap();
+    let fd = socket(
+        AddressFamily::Inet,
+        SockType::Stream,
+        SockFlag::empty(),
+        SockProtocol::Tcp,
+    )
+    .unwrap();
     setsockopt(fd, sockopt::KeepAlive, &true).unwrap();
     assert!(getsockopt(fd, sockopt::KeepAlive).unwrap());
 
-    #[cfg(any(target_os = "android",
-              target_os = "dragonfly",
-              target_os = "freebsd",
-              target_os = "linux",
-              target_os = "nacl"))] {
+    #[cfg(any(
+        target_os = "android",
+        target_os = "dragonfly",
+        target_os = "freebsd",
+        target_os = "linux"
+    ))]
+    {
         let x = getsockopt(fd, sockopt::TcpKeepIdle).unwrap();
         setsockopt(fd, sockopt::TcpKeepIdle, &(x + 1)).unwrap();
         assert_eq!(getsockopt(fd, sockopt::TcpKeepIdle).unwrap(), x + 1);
@@ -189,10 +239,22 @@ fn test_so_tcp_keepalive() {
 #[test]
 #[cfg(any(target_os = "android", target_os = "freebsd", target_os = "linux"))]
 fn test_ttl_opts() {
-    let fd4 = socket(AddressFamily::Inet, SockType::Datagram, SockFlag::empty(), None).unwrap();
+    let fd4 = socket(
+        AddressFamily::Inet,
+        SockType::Datagram,
+        SockFlag::empty(),
+        None,
+    )
+    .unwrap();
     setsockopt(fd4, sockopt::Ipv4Ttl, &1)
         .expect("setting ipv4ttl on an inet socket should succeed");
-    let fd6 = socket(AddressFamily::Inet6, SockType::Datagram, SockFlag::empty(), None).unwrap();
+    let fd6 = socket(
+        AddressFamily::Inet6,
+        SockType::Datagram,
+        SockFlag::empty(),
+        None,
+    )
+    .unwrap();
     setsockopt(fd6, sockopt::Ipv6Ttl, &1)
         .expect("setting ipv6ttl on an inet6 socket should succeed");
 }
@@ -200,38 +262,68 @@ fn test_ttl_opts() {
 #[test]
 #[cfg(any(target_os = "ios", target_os = "macos"))]
 fn test_dontfrag_opts() {
-    let fd4 = socket(AddressFamily::Inet, SockType::Stream, SockFlag::empty(), SockProtocol::Tcp).unwrap();
+    let fd4 = socket(
+        AddressFamily::Inet,
+        SockType::Stream,
+        SockFlag::empty(),
+        SockProtocol::Tcp,
+    )
+    .unwrap();
     setsockopt(fd4, sockopt::IpDontFrag, &true)
         .expect("setting IP_DONTFRAG on an inet stream socket should succeed");
-    setsockopt(fd4, sockopt::IpDontFrag, &false)
-        .expect("unsetting IP_DONTFRAG on an inet stream socket should succeed");
-    let fd4d = socket(AddressFamily::Inet, SockType::Datagram, SockFlag::empty(), None).unwrap();
-    setsockopt(fd4d, sockopt::IpDontFrag, &true)
-        .expect("setting IP_DONTFRAG on an inet datagram socket should succeed");
-    setsockopt(fd4d, sockopt::IpDontFrag, &false)
-        .expect("unsetting IP_DONTFRAG on an inet datagram socket should succeed");
+    setsockopt(fd4, sockopt::IpDontFrag, &false).expect(
+        "unsetting IP_DONTFRAG on an inet stream socket should succeed",
+    );
+    let fd4d = socket(
+        AddressFamily::Inet,
+        SockType::Datagram,
+        SockFlag::empty(),
+        None,
+    )
+    .unwrap();
+    setsockopt(fd4d, sockopt::IpDontFrag, &true).expect(
+        "setting IP_DONTFRAG on an inet datagram socket should succeed",
+    );
+    setsockopt(fd4d, sockopt::IpDontFrag, &false).expect(
+        "unsetting IP_DONTFRAG on an inet datagram socket should succeed",
+    );
 }
 
 #[test]
 #[cfg(any(
-        target_os = "android",
-        target_os = "ios",
-        target_os = "linux",
-        target_os = "macos",
-    )
-)]
+    target_os = "android",
+    target_os = "ios",
+    target_os = "linux",
+    target_os = "macos",
+))]
 // Disable the test under emulation because it fails in Cirrus-CI.  Lack
 // of QEMU support is suspected.
 #[cfg_attr(qemu, ignore)]
 fn test_v6dontfrag_opts() {
-    let fd6 = socket(AddressFamily::Inet6, SockType::Stream, SockFlag::empty(), SockProtocol::Tcp).unwrap();
-    setsockopt(fd6, sockopt::Ipv6DontFrag, &true)
-        .expect("setting IPV6_DONTFRAG on an inet6 stream socket should succeed");
-    setsockopt(fd6, sockopt::Ipv6DontFrag, &false)
-        .expect("unsetting IPV6_DONTFRAG on an inet6 stream socket should succeed");
-    let fd6d = socket(AddressFamily::Inet6, SockType::Datagram, SockFlag::empty(), None).unwrap();
-    setsockopt(fd6d, sockopt::Ipv6DontFrag, &true)
-        .expect("setting IPV6_DONTFRAG on an inet6 datagram socket should succeed");
-    setsockopt(fd6d, sockopt::Ipv6DontFrag, &false)
-        .expect("unsetting IPV6_DONTFRAG on an inet6 datagram socket should succeed");
+    let fd6 = socket(
+        AddressFamily::Inet6,
+        SockType::Stream,
+        SockFlag::empty(),
+        SockProtocol::Tcp,
+    )
+    .unwrap();
+    setsockopt(fd6, sockopt::Ipv6DontFrag, &true).expect(
+        "setting IPV6_DONTFRAG on an inet6 stream socket should succeed",
+    );
+    setsockopt(fd6, sockopt::Ipv6DontFrag, &false).expect(
+        "unsetting IPV6_DONTFRAG on an inet6 stream socket should succeed",
+    );
+    let fd6d = socket(
+        AddressFamily::Inet6,
+        SockType::Datagram,
+        SockFlag::empty(),
+        None,
+    )
+    .unwrap();
+    setsockopt(fd6d, sockopt::Ipv6DontFrag, &true).expect(
+        "setting IPV6_DONTFRAG on an inet6 datagram socket should succeed",
+    );
+    setsockopt(fd6d, sockopt::Ipv6DontFrag, &false).expect(
+        "unsetting IPV6_DONTFRAG on an inet6 datagram socket should succeed",
+    );
 }
diff --git a/bash-5.1/vendor/nix/test/sys/test_sysinfo.rs b/bash-5.1/vendor/nix/test/sys/test_sysinfo.rs
index 73e6586f6223e637dd94b0b6ded6008dd4ce48f2..2897366effc905dde51ca2fc686d55f73233f026 100644
--- a/bash-5.1/vendor/nix/test/sys/test_sysinfo.rs
+++ b/bash-5.1/vendor/nix/test/sys/test_sysinfo.rs
@@ -9,10 +9,12 @@ fn sysinfo_works() {
     assert!(l5 >= 0.0);
     assert!(l15 >= 0.0);
 
-    info.uptime();  // just test Duration construction
+    info.uptime(); // just test Duration construction
 
-    assert!(info.swap_free() <= info.swap_total(),
-            "more swap available than installed (free: {}, total: {})",
-            info.swap_free(),
-            info.swap_total());
+    assert!(
+        info.swap_free() <= info.swap_total(),
+        "more swap available than installed (free: {}, total: {})",
+        info.swap_free(),
+        info.swap_total()
+    );
 }
diff --git a/bash-5.1/vendor/nix/test/sys/test_termios.rs b/bash-5.1/vendor/nix/test/sys/test_termios.rs
index 4a8615437e22d7db175cf6b10373cbcea516a568..aaf00084fa050bbf346c7ab53ff959dd1164f0af 100644
--- a/bash-5.1/vendor/nix/test/sys/test_termios.rs
+++ b/bash-5.1/vendor/nix/test/sys/test_termios.rs
@@ -1,11 +1,11 @@
 use std::os::unix::prelude::*;
 use tempfile::tempfile;
 
-use nix::fcntl;
 use nix::errno::Errno;
+use nix::fcntl;
 use nix::pty::openpty;
-use nix::sys::termios::{self, LocalFlags, OutputFlags, tcgetattr};
-use nix::unistd::{read, write, close};
+use nix::sys::termios::{self, tcgetattr, LocalFlags, OutputFlags};
+use nix::unistd::{close, read, write};
 
 /// Helper function analogous to `std::io::Write::write_all`, but for `RawFd`s
 fn write_all(f: RawFd, buf: &[u8]) {
@@ -22,7 +22,7 @@ fn test_tcgetattr_pty() {
     let _m = crate::PTSNAME_MTX.lock();
 
     let pty = openpty(None, None).expect("openpty failed");
-    assert!(termios::tcgetattr(pty.slave).is_ok());
+    termios::tcgetattr(pty.slave).unwrap();
     close(pty.master).expect("closing the master failed");
     close(pty.slave).expect("closing the slave failed");
 }
@@ -31,15 +31,16 @@ fn test_tcgetattr_pty() {
 #[test]
 fn test_tcgetattr_enotty() {
     let file = tempfile().unwrap();
-    assert_eq!(termios::tcgetattr(file.as_raw_fd()).err(),
-               Some(Errno::ENOTTY));
+    assert_eq!(
+        termios::tcgetattr(file.as_raw_fd()).err(),
+        Some(Errno::ENOTTY)
+    );
 }
 
 // Test tcgetattr on an invalid file descriptor
 #[test]
 fn test_tcgetattr_ebadf() {
-    assert_eq!(termios::tcgetattr(-1).err(),
-               Some(Errno::EBADF));
+    assert_eq!(termios::tcgetattr(-1).err(), Some(Errno::EBADF));
 }
 
 // Test modifying output flags
@@ -60,11 +61,15 @@ fn test_output_flags() {
     };
 
     // Make sure postprocessing '\r' isn't specified by default or this test is useless.
-    assert!(!termios.output_flags.contains(OutputFlags::OPOST | OutputFlags::OCRNL));
+    assert!(!termios
+        .output_flags
+        .contains(OutputFlags::OPOST | OutputFlags::OCRNL));
 
     // Specify that '\r' characters should be transformed to '\n'
     // OPOST is specified to enable post-processing
-    termios.output_flags.insert(OutputFlags::OPOST | OutputFlags::OCRNL);
+    termios
+        .output_flags
+        .insert(OutputFlags::OPOST | OutputFlags::OCRNL);
 
     // Open a pty
     let pty = openpty(None, &termios).unwrap();
@@ -114,7 +119,8 @@ fn test_local_flags() {
 
     // Set the master is in nonblocking mode or reading will never return.
     let flags = fcntl::fcntl(pty.master, fcntl::F_GETFL).unwrap();
-    let new_flags = fcntl::OFlag::from_bits_truncate(flags) | fcntl::OFlag::O_NONBLOCK;
+    let new_flags =
+        fcntl::OFlag::from_bits_truncate(flags) | fcntl::OFlag::O_NONBLOCK;
     fcntl::fcntl(pty.master, fcntl::F_SETFL(new_flags)).unwrap();
 
     // Write into the master
diff --git a/bash-5.1/vendor/nix/test/sys/test_timerfd.rs b/bash-5.1/vendor/nix/test/sys/test_timerfd.rs
index 24fb2ac002e1da959a377956d04aedf13c2df4ef..927cc70d1d10b5bb040b24ef6a8256f6b5c387d2 100644
--- a/bash-5.1/vendor/nix/test/sys/test_timerfd.rs
+++ b/bash-5.1/vendor/nix/test/sys/test_timerfd.rs
@@ -1,10 +1,13 @@
 use nix::sys::time::{TimeSpec, TimeValLike};
-use nix::sys::timerfd::{ClockId, Expiration, TimerFd, TimerFlags, TimerSetTimeFlags};
+use nix::sys::timerfd::{
+    ClockId, Expiration, TimerFd, TimerFlags, TimerSetTimeFlags,
+};
 use std::time::Instant;
 
 #[test]
 pub fn test_timerfd_oneshot() {
-    let timer = TimerFd::new(ClockId::CLOCK_MONOTONIC, TimerFlags::empty()).unwrap();
+    let timer =
+        TimerFd::new(ClockId::CLOCK_MONOTONIC, TimerFlags::empty()).unwrap();
 
     let before = Instant::now();
 
@@ -23,12 +26,16 @@ pub fn test_timerfd_oneshot() {
 
 #[test]
 pub fn test_timerfd_interval() {
-    let timer = TimerFd::new(ClockId::CLOCK_MONOTONIC, TimerFlags::empty()).unwrap();
+    let timer =
+        TimerFd::new(ClockId::CLOCK_MONOTONIC, TimerFlags::empty()).unwrap();
 
     let before = Instant::now();
     timer
         .set(
-            Expiration::IntervalDelayed(TimeSpec::seconds(1), TimeSpec::seconds(2)),
+            Expiration::IntervalDelayed(
+                TimeSpec::seconds(1),
+                TimeSpec::seconds(2),
+            ),
             TimerSetTimeFlags::empty(),
         )
         .unwrap();
@@ -46,7 +53,8 @@ pub fn test_timerfd_interval() {
 
 #[test]
 pub fn test_timerfd_unset() {
-    let timer = TimerFd::new(ClockId::CLOCK_MONOTONIC, TimerFlags::empty()).unwrap();
+    let timer =
+        TimerFd::new(ClockId::CLOCK_MONOTONIC, TimerFlags::empty()).unwrap();
 
     timer
         .set(
diff --git a/bash-5.1/vendor/nix/test/sys/test_uio.rs b/bash-5.1/vendor/nix/test/sys/test_uio.rs
index 7dd12a21b0d7c20af79e4f5784963ddc870b600a..0f4b8a65680cc01205b7a991d080e3796f37f061 100644
--- a/bash-5.1/vendor/nix/test/sys/test_uio.rs
+++ b/bash-5.1/vendor/nix/test/sys/test_uio.rs
@@ -1,18 +1,18 @@
 use nix::sys::uio::*;
 use nix::unistd::*;
-use rand::{thread_rng, Rng};
 use rand::distributions::Alphanumeric;
-use std::{cmp, iter};
-use std::fs::{OpenOptions};
+use rand::{thread_rng, Rng};
+use std::fs::OpenOptions;
 use std::io::IoSlice;
 use std::os::unix::io::AsRawFd;
+use std::{cmp, iter};
 
 #[cfg(not(target_os = "redox"))]
 use std::io::IoSliceMut;
 
+use tempfile::tempdir;
 #[cfg(not(target_os = "redox"))]
 use tempfile::tempfile;
-use tempfile::tempdir;
 
 #[test]
 fn test_writev() {
@@ -31,41 +31,38 @@ fn test_writev() {
     let mut consumed = 0;
     while consumed < to_write.len() {
         let left = to_write.len() - consumed;
-        let slice_len = if left <= 64 { left } else { thread_rng().gen_range(64..cmp::min(256, left)) };
-        let b = &to_write[consumed..consumed+slice_len];
+        let slice_len = if left <= 64 {
+            left
+        } else {
+            thread_rng().gen_range(64..cmp::min(256, left))
+        };
+        let b = &to_write[consumed..consumed + slice_len];
         iovecs.push(IoSlice::new(b));
         consumed += slice_len;
     }
     let pipe_res = pipe();
-    assert!(pipe_res.is_ok());
-    let (reader, writer) = pipe_res.ok().unwrap();
+    let (reader, writer) = pipe_res.expect("Couldn't create pipe");
     // FileDesc will close its filedesc (reader).
     let mut read_buf: Vec<u8> = iter::repeat(0u8).take(128 * 16).collect();
     // Blocking io, should write all data.
     let write_res = writev(writer, &iovecs);
-    // Successful write
-    assert!(write_res.is_ok());
-    let written = write_res.ok().unwrap();
+    let written = write_res.expect("couldn't write");
     // Check whether we written all data
     assert_eq!(to_write.len(), written);
     let read_res = read(reader, &mut read_buf[..]);
-    // Successful read
-    assert!(read_res.is_ok());
-    let read = read_res.ok().unwrap() as usize;
+    let read = read_res.expect("couldn't read");
     // Check we have read as much as we written
     assert_eq!(read, written);
     // Check equality of written and read data
     assert_eq!(&to_write, &read_buf);
-    let close_res = close(writer);
-    assert!(close_res.is_ok());
-    let close_res = close(reader);
-    assert!(close_res.is_ok());
+    close(writer).expect("closed writer");
+    close(reader).expect("closed reader");
 }
 
 #[test]
 #[cfg(not(target_os = "redox"))]
 fn test_readv() {
-    let s:String = thread_rng()
+    let s: String = thread_rng()
         .sample_iter(&Alphanumeric)
         .map(char::from)
         .take(128)
@@ -75,7 +72,11 @@ fn test_readv() {
     let mut allocated = 0;
     while allocated < to_write.len() {
         let left = to_write.len() - allocated;
-        let vec_len = if left <= 64 { left } else { thread_rng().gen_range(64..cmp::min(256, left)) };
+        let vec_len = if left <= 64 {
+            left
+        } else {
+            thread_rng().gen_range(64..cmp::min(256, left))
+        };
         let v: Vec<u8> = iter::repeat(0u8).take(vec_len).collect();
         storage.push(v);
         allocated += vec_len;
@@ -84,16 +85,10 @@ fn test_readv() {
     for v in &mut storage {
         iovecs.push(IoSliceMut::new(&mut v[..]));
     }
-    let pipe_res = pipe();
-    assert!(pipe_res.is_ok());
-    let (reader, writer) = pipe_res.ok().unwrap();
+    let (reader, writer) = pipe().expect("couldn't create pipe");
     // Blocking io, should write all data.
-    let write_res = write(writer, &to_write);
-    // Successful write
-    assert!(write_res.is_ok());
-    let read_res = readv(reader, &mut iovecs[..]);
-    assert!(read_res.is_ok());
-    let read = read_res.ok().unwrap();
+    write(writer, &to_write).expect("write failed");
+    let read = readv(reader, &mut iovecs[..]).expect("read failed");
     // Check whether we've read all data
     assert_eq!(to_write.len(), read);
     // Cccumulate data from iovecs
@@ -105,10 +100,8 @@ fn test_readv() {
     assert_eq!(read_buf.len(), to_write.len());
     // Check equality of written and read data
     assert_eq!(&read_buf, &to_write);
-    let close_res = close(reader);
-    assert!(close_res.is_ok());
-    let close_res = close(writer);
-    assert!(close_res.is_ok());
+    close(reader).expect("couldn't close reader");
+    close(writer).expect("couldn't close writer");
 }
 
 #[test]
@@ -117,12 +110,12 @@ fn test_pwrite() {
     use std::io::Read;
 
     let mut file = tempfile().unwrap();
-    let buf = [1u8;8];
+    let buf = [1u8; 8];
     assert_eq!(Ok(8), pwrite(file.as_raw_fd(), &buf, 8));
     let mut file_content = Vec::new();
     file.read_to_end(&mut file_content).unwrap();
-    let mut expected = vec![0u8;8];
-    expected.extend(vec![1;8]);
+    let mut expected = vec![0u8; 8];
+    expected.extend(vec![1; 8]);
     assert_eq!(file_content, expected);
 }
 
@@ -133,24 +126,29 @@ fn test_pread() {
     let tempdir = tempdir().unwrap();
 
     let path = tempdir.path().join("pread_test_file");
-    let mut file = OpenOptions::new().write(true).read(true).create(true)
-                                    .truncate(true).open(path).unwrap();
+    let mut file = OpenOptions::new()
+        .write(true)
+        .read(true)
+        .create(true)
+        .truncate(true)
+        .open(path)
+        .unwrap();
     let file_content: Vec<u8> = (0..64).collect();
     file.write_all(&file_content).unwrap();
 
-    let mut buf = [0u8;16];
+    let mut buf = [0u8; 16];
     assert_eq!(Ok(16), pread(file.as_raw_fd(), &mut buf, 16));
     let expected: Vec<_> = (16..32).collect();
     assert_eq!(&buf[..], &expected[..]);
 }
 
 #[test]
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
 fn test_pwritev() {
     use std::io::Read;
 
     let to_write: Vec<u8> = (0..128).collect();
-    let expected: Vec<u8> = [vec![0;100], to_write.clone()].concat();
+    let expected: Vec<u8> = [vec![0; 100], to_write.clone()].concat();
 
     let iovecs = [
         IoSlice::new(&to_write[0..17]),
@@ -162,8 +160,13 @@ fn test_pwritev() {
 
     // pwritev them into a temporary file
     let path = tempdir.path().join("pwritev_test_file");
-    let mut file = OpenOptions::new().write(true).read(true).create(true)
-                                    .truncate(true).open(path).unwrap();
+    let mut file = OpenOptions::new()
+        .write(true)
+        .read(true)
+        .create(true)
+        .truncate(true)
+        .open(path)
+        .unwrap();
 
     let written = pwritev(file.as_raw_fd(), &iovecs, 100).ok().unwrap();
     assert_eq!(written, to_write.len());
@@ -175,7 +178,7 @@ fn test_pwritev() {
 }
 
 #[test]
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
 fn test_preadv() {
     use std::io::Write;
 
@@ -186,20 +189,23 @@ fn test_preadv() {
 
     let path = tempdir.path().join("preadv_test_file");
 
-    let mut file = OpenOptions::new().read(true).write(true).create(true)
-                                    .truncate(true).open(path).unwrap();
+    let mut file = OpenOptions::new()
+        .read(true)
+        .write(true)
+        .create(true)
+        .truncate(true)
+        .open(path)
+        .unwrap();
     file.write_all(&to_write).unwrap();
 
-    let mut buffers: Vec<Vec<u8>> = vec![
-        vec![0; 24],
-        vec![0; 1],
-        vec![0; 75],
-    ];
+    let mut buffers: Vec<Vec<u8>> = vec![vec![0; 24], vec![0; 1], vec![0; 75]];
 
     {
         // Borrow the buffers into IoVecs and preadv into them
-        let mut iovecs: Vec<_> = buffers.iter_mut().map(
-            |buf| IoSliceMut::new(&mut buf[..])).collect();
+        let mut iovecs: Vec<_> = buffers
+            .iter_mut()
+            .map(|buf| IoSliceMut::new(&mut buf[..]))
+            .collect();
         assert_eq!(Ok(100), preadv(file.as_raw_fd(), &mut iovecs, 100));
     }
 
@@ -208,14 +214,15 @@ fn test_preadv() {
 }
 
 #[test]
-#[cfg(all(target_os = "linux", not(target_env = "uclibc")))] // uclibc doesn't implement process_vm_readv
+#[cfg(all(target_os = "linux", not(target_env = "uclibc")))]
+// uclibc doesn't implement process_vm_readv
 // qemu-user doesn't implement process_vm_readv/writev on most arches
 #[cfg_attr(qemu, ignore)]
 fn test_process_vm_readv() {
-    use nix::unistd::ForkResult::*;
+    use crate::*;
     use nix::sys::signal::*;
     use nix::sys::wait::*;
-    use crate::*;
+    use nix::unistd::ForkResult::*;
 
     require_capability!("test_process_vm_readv", CAP_SYS_PTRACE);
     let _m = crate::FORK_MTX.lock();
@@ -225,7 +232,7 @@ fn test_process_vm_readv() {
     let mut vector = vec![1u8, 2, 3, 4, 5];
 
     let (r, w) = pipe().unwrap();
-    match unsafe{fork()}.expect("Error: Fork Failed") {
+    match unsafe { fork() }.expect("Error: Fork Failed") {
         Parent { child } => {
             close(w).unwrap();
             // wait for child
@@ -236,16 +243,18 @@ fn test_process_vm_readv() {
             let remote_iov = RemoteIoVec { base: ptr, len: 5 };
             let mut buf = vec![0u8; 5];
 
-            let ret = process_vm_readv(child,
-                                       &mut [IoSliceMut::new(&mut buf)],
-                                       &[remote_iov]);
+            let ret = process_vm_readv(
+                child,
+                &mut [IoSliceMut::new(&mut buf)],
+                &[remote_iov],
+            );
 
             kill(child, SIGTERM).unwrap();
             waitpid(child, None).unwrap();
 
             assert_eq!(Ok(5), ret);
             assert_eq!(20u8, buf.iter().sum());
-        },
+        }
         Child => {
             let _ = close(r);
             for i in &mut vector {
@@ -253,7 +262,9 @@ fn test_process_vm_readv() {
             }
             let _ = write(w, b"\0");
             let _ = close(w);
-            loop { let _ = pause(); }
-        },
+            loop {
+                pause();
+            }
+        }
     }
 }
diff --git a/bash-5.1/vendor/nix/test/sys/test_wait.rs b/bash-5.1/vendor/nix/test/sys/test_wait.rs
index 90d9fcf51c673b0f279c92faabd85878309bb807..d472f1ec19b8817ce93ef1c483e72d34fbf1a637 100644
--- a/bash-5.1/vendor/nix/test/sys/test_wait.rs
+++ b/bash-5.1/vendor/nix/test/sys/test_wait.rs
@@ -1,25 +1,28 @@
+use libc::_exit;
 use nix::errno::Errno;
-use nix::unistd::*;
-use nix::unistd::ForkResult::*;
 use nix::sys::signal::*;
 use nix::sys::wait::*;
-use libc::_exit;
+use nix::unistd::ForkResult::*;
+use nix::unistd::*;
 
 #[test]
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
 fn test_wait_signal() {
     let _m = crate::FORK_MTX.lock();
 
     // Safe: The child only calls `pause` and/or `_exit`, which are async-signal-safe.
-    match unsafe{fork()}.expect("Error: Fork Failed") {
-      Child => {
-          pause();
-          unsafe { _exit(123) }
-      },
-      Parent { child } => {
-          kill(child, Some(SIGKILL)).expect("Error: Kill Failed");
-          assert_eq!(waitpid(child, None), Ok(WaitStatus::Signaled(child, SIGKILL, false)));
-      },
+    match unsafe { fork() }.expect("Error: Fork Failed") {
+        Child => {
+            pause();
+            unsafe { _exit(123) }
+        }
+        Parent { child } => {
+            kill(child, Some(SIGKILL)).expect("Error: Kill Failed");
+            assert_eq!(
+                waitpid(child, None),
+                Ok(WaitStatus::Signaled(child, SIGKILL, false))
+            );
+        }
     }
 }
 
@@ -27,7 +30,7 @@ fn test_wait_signal() {
 #[cfg(any(
     target_os = "android",
     target_os = "freebsd",
-    target_os = "haiku",
+    //target_os = "haiku",
     all(target_os = "linux", not(target_env = "uclibc")),
 ))]
 #[cfg(not(any(target_arch = "mips", target_arch = "mips64")))]
@@ -35,18 +38,18 @@ fn test_waitid_signal() {
     let _m = crate::FORK_MTX.lock();
 
     // Safe: The child only calls `pause` and/or `_exit`, which are async-signal-safe.
-    match unsafe{fork()}.expect("Error: Fork Failed") {
-      Child => {
-          pause();
-          unsafe { _exit(123) }
-      },
-      Parent { child } => {
-          kill(child, Some(SIGKILL)).expect("Error: Kill Failed");
-          assert_eq!(
-              waitid(Id::Pid(child), WaitPidFlag::WEXITED),
-              Ok(WaitStatus::Signaled(child, SIGKILL, false)),
-          );
-      },
+    match unsafe { fork() }.expect("Error: Fork Failed") {
+        Child => {
+            pause();
+            unsafe { _exit(123) }
+        }
+        Parent { child } => {
+            kill(child, Some(SIGKILL)).expect("Error: Kill Failed");
+            assert_eq!(
+                waitid(Id::Pid(child), WaitPidFlag::WEXITED),
+                Ok(WaitStatus::Signaled(child, SIGKILL, false)),
+            );
+        }
     }
 }
 
@@ -55,14 +58,17 @@ fn test_wait_exit() {
     let _m = crate::FORK_MTX.lock();
 
     // Safe: Child only calls `_exit`, which is async-signal-safe.
-    match unsafe{fork()}.expect("Error: Fork Failed") {
-      Child => unsafe { _exit(12); },
-      Parent { child } => {
-          assert_eq!(waitpid(child, None), Ok(WaitStatus::Exited(child, 12)));
-      },
+    match unsafe { fork() }.expect("Error: Fork Failed") {
+        Child => unsafe {
+            _exit(12);
+        },
+        Parent { child } => {
+            assert_eq!(waitpid(child, None), Ok(WaitStatus::Exited(child, 12)));
+        }
     }
 }
 
+#[cfg(not(target_os = "haiku"))]
 #[test]
 #[cfg(any(
     target_os = "android",
@@ -75,22 +81,30 @@ fn test_waitid_exit() {
     let _m = crate::FORK_MTX.lock();
 
     // Safe: Child only calls `_exit`, which is async-signal-safe.
-    match unsafe{fork()}.expect("Error: Fork Failed") {
-      Child => unsafe { _exit(12); },
-      Parent { child } => {
-          assert_eq!(
-              waitid(Id::Pid(child), WaitPidFlag::WEXITED),
-              Ok(WaitStatus::Exited(child, 12)),
-          );
-      }
+    match unsafe { fork() }.expect("Error: Fork Failed") {
+        Child => unsafe {
+            _exit(12);
+        },
+        Parent { child } => {
+            assert_eq!(
+                waitid(Id::Pid(child), WaitPidFlag::WEXITED),
+                Ok(WaitStatus::Exited(child, 12)),
+            );
+        }
     }
 }
 
 #[test]
 fn test_waitstatus_from_raw() {
     let pid = Pid::from_raw(1);
-    assert_eq!(WaitStatus::from_raw(pid, 0x0002), Ok(WaitStatus::Signaled(pid, Signal::SIGINT, false)));
-    assert_eq!(WaitStatus::from_raw(pid, 0x0200), Ok(WaitStatus::Exited(pid, 2)));
+    assert_eq!(
+        WaitStatus::from_raw(pid, 0x0002),
+        Ok(WaitStatus::Signaled(pid, Signal::SIGINT, false))
+    );
+    assert_eq!(
+        WaitStatus::from_raw(pid, 0x0200),
+        Ok(WaitStatus::Exited(pid, 2))
+    );
     assert_eq!(WaitStatus::from_raw(pid, 0x7f7f), Err(Errno::EINVAL));
 }
 
@@ -98,7 +112,7 @@ fn test_waitstatus_from_raw() {
 fn test_waitstatus_pid() {
     let _m = crate::FORK_MTX.lock();
 
-    match unsafe{fork()}.unwrap() {
+    match unsafe { fork() }.unwrap() {
         Child => unsafe { _exit(0) },
         Parent { child } => {
             let status = waitpid(child, None).unwrap();
@@ -130,13 +144,13 @@ fn test_waitid_pid() {
 // FIXME: qemu-user doesn't implement ptrace on most arches
 #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
 mod ptrace {
-    use nix::sys::ptrace::{self, Options, Event};
+    use crate::*;
+    use libc::_exit;
+    use nix::sys::ptrace::{self, Event, Options};
     use nix::sys::signal::*;
     use nix::sys::wait::*;
-    use nix::unistd::*;
     use nix::unistd::ForkResult::*;
-    use libc::_exit;
-    use crate::*;
+    use nix::unistd::*;
 
     fn ptrace_child() -> ! {
         ptrace::traceme().unwrap();
@@ -148,18 +162,32 @@ mod ptrace {
 
     fn ptrace_wait_parent(child: Pid) {
         // Wait for the raised SIGTRAP
-        assert_eq!(waitpid(child, None), Ok(WaitStatus::Stopped(child, SIGTRAP)));
+        assert_eq!(
+            waitpid(child, None),
+            Ok(WaitStatus::Stopped(child, SIGTRAP))
+        );
         // We want to test a syscall stop and a PTRACE_EVENT stop
-        assert!(ptrace::setoptions(child, Options::PTRACE_O_TRACESYSGOOD | Options::PTRACE_O_TRACEEXIT).is_ok());
+        ptrace::setoptions(
+            child,
+            Options::PTRACE_O_TRACESYSGOOD | Options::PTRACE_O_TRACEEXIT,
+        )
+        .expect("setoptions failed");
 
         // First, stop on the next system call, which will be exit()
-        assert!(ptrace::syscall(child, None).is_ok());
+        ptrace::syscall(child, None).expect("syscall failed");
         assert_eq!(waitpid(child, None), Ok(WaitStatus::PtraceSyscall(child)));
         // Then get the ptrace event for the process exiting
-        assert!(ptrace::cont(child, None).is_ok());
-        assert_eq!(waitpid(child, None), Ok(WaitStatus::PtraceEvent(child, SIGTRAP, Event::PTRACE_EVENT_EXIT as i32)));
+        ptrace::cont(child, None).expect("cont failed");
+        assert_eq!(
+            waitpid(child, None),
+            Ok(WaitStatus::PtraceEvent(
+                child,
+                SIGTRAP,
+                Event::PTRACE_EVENT_EXIT as i32
+            ))
+        );
         // Finally get the normal wait() result, now that the process has exited
-        assert!(ptrace::cont(child, None).is_ok());
+        ptrace::cont(child, None).expect("cont failed");
         assert_eq!(waitpid(child, None), Ok(WaitStatus::Exited(child, 0)));
     }
 
@@ -174,22 +202,30 @@ mod ptrace {
             Ok(WaitStatus::PtraceEvent(child, SIGTRAP, 0)),
         );
         // We want to test a syscall stop and a PTRACE_EVENT stop
-        assert!(ptrace::setoptions(child, Options::PTRACE_O_TRACESYSGOOD | Options::PTRACE_O_TRACEEXIT).is_ok());
+        ptrace::setoptions(
+            child,
+            Options::PTRACE_O_TRACESYSGOOD | Options::PTRACE_O_TRACEEXIT,
+        )
+        .expect("setopts failed");
 
         // First, stop on the next system call, which will be exit()
-        assert!(ptrace::syscall(child, None).is_ok());
+        ptrace::syscall(child, None).expect("syscall failed");
         assert_eq!(
             waitid(Id::Pid(child), WaitPidFlag::WEXITED),
             Ok(WaitStatus::PtraceSyscall(child)),
         );
         // Then get the ptrace event for the process exiting
-        assert!(ptrace::cont(child, None).is_ok());
+        ptrace::cont(child, None).expect("cont failed");
         assert_eq!(
             waitid(Id::Pid(child), WaitPidFlag::WEXITED),
-            Ok(WaitStatus::PtraceEvent(child, SIGTRAP, Event::PTRACE_EVENT_EXIT as i32)),
+            Ok(WaitStatus::PtraceEvent(
+                child,
+                SIGTRAP,
+                Event::PTRACE_EVENT_EXIT as i32
+            )),
         );
         // Finally get the normal wait() result, now that the process has exited
-        assert!(ptrace::cont(child, None).is_ok());
+        ptrace::cont(child, None).expect("cont failed");
         assert_eq!(
             waitid(Id::Pid(child), WaitPidFlag::WEXITED),
             Ok(WaitStatus::Exited(child, 0)),
@@ -201,7 +237,7 @@ mod ptrace {
         require_capability!("test_wait_ptrace", CAP_SYS_PTRACE);
         let _m = crate::FORK_MTX.lock();
 
-        match unsafe{fork()}.expect("Error: Fork Failed") {
+        match unsafe { fork() }.expect("Error: Fork Failed") {
             Child => ptrace_child(),
             Parent { child } => ptrace_wait_parent(child),
         }
@@ -213,7 +249,7 @@ mod ptrace {
         require_capability!("test_waitid_ptrace", CAP_SYS_PTRACE);
         let _m = crate::FORK_MTX.lock();
 
-        match unsafe{fork()}.expect("Error: Fork Failed") {
+        match unsafe { fork() }.expect("Error: Fork Failed") {
             Child => ptrace_child(),
             Parent { child } => ptrace_waitid_parent(child),
         }
diff --git a/bash-5.1/vendor/nix/test/test.rs b/bash-5.1/vendor/nix/test/test.rs
index 3cac48f77f5086625acdbeb988b741372701ce66..f725ef97a0807ca4fc7ccdf2db4654c20ab9f683 100644
--- a/bash-5.1/vendor/nix/test/test.rs
+++ b/bash-5.1/vendor/nix/test/test.rs
@@ -1,6 +1,6 @@
 #[macro_use]
 extern crate cfg_if;
-#[cfg_attr(not(target_os = "redox"), macro_use)]
+#[cfg_attr(not(any(target_os = "redox", target_os = "haiku")), macro_use)]
 extern crate nix;
 #[macro_use]
 extern crate lazy_static;
@@ -10,38 +10,46 @@ mod sys;
 #[cfg(not(target_os = "redox"))]
 mod test_dir;
 mod test_fcntl;
-#[cfg(any(target_os = "android",
-          target_os = "linux"))]
+#[cfg(any(target_os = "android", target_os = "linux"))]
 mod test_kmod;
-#[cfg(target_os = "freebsd")]
-mod test_nmount;
-#[cfg(any(target_os = "dragonfly",
-          target_os = "freebsd",
-          target_os = "fushsia",
-          target_os = "linux",
-          target_os = "netbsd"))]
+#[cfg(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "fushsia",
+    target_os = "linux",
+    target_os = "netbsd"
+))]
 mod test_mq;
 #[cfg(not(target_os = "redox"))]
 mod test_net;
 mod test_nix_path;
-mod test_resource;
+#[cfg(target_os = "freebsd")]
+mod test_nmount;
 mod test_poll;
-#[cfg(not(any(target_os = "redox", target_os = "fuchsia")))]
+#[cfg(not(any(
+    target_os = "redox",
+    target_os = "fuchsia",
+    target_os = "haiku"
+)))]
 mod test_pty;
-#[cfg(any(target_os = "android",
-          target_os = "dragonfly",
-          target_os = "linux"))]
+mod test_resource;
+#[cfg(any(
+    target_os = "android",
+    target_os = "dragonfly",
+    target_os = "linux"
+))]
 mod test_sched;
-#[cfg(any(target_os = "android",
-          target_os = "dragonfly",
-          target_os = "freebsd",
-          target_os = "ios",
-          target_os = "linux",
-          target_os = "macos"))]
+#[cfg(any(
+    target_os = "android",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "ios",
+    target_os = "linux",
+    target_os = "macos"
+))]
 mod test_sendfile;
 mod test_stat;
 mod test_time;
-mod test_unistd;
 #[cfg(all(
     any(
         target_os = "freebsd",
@@ -53,15 +61,15 @@ mod test_unistd;
     feature = "signal"
 ))]
 mod test_timer;
+mod test_unistd;
 
+use nix::unistd::{chdir, getcwd, read};
+use parking_lot::{Mutex, RwLock, RwLockWriteGuard};
 use std::os::unix::io::RawFd;
 use std::path::PathBuf;
-use parking_lot::{Mutex, RwLock, RwLockWriteGuard};
-use nix::unistd::{chdir, getcwd, read};
-
 
 /// Helper function analogous to `std::io::Read::read_exact`, but for `RawFD`s
-fn read_exact(f: RawFd, buf: &mut  [u8]) {
+fn read_exact(f: RawFd, buf: &mut [u8]) {
     let mut len = 0;
     while len < buf.len() {
         // get_mut would be better than split_at_mut, but it requires nightly
@@ -92,13 +100,13 @@ lazy_static! {
 /// RAII object that restores a test's original directory on drop
 struct DirRestore<'a> {
     d: PathBuf,
-    _g: RwLockWriteGuard<'a, ()>
+    _g: RwLockWriteGuard<'a, ()>,
 }
 
 impl<'a> DirRestore<'a> {
     fn new() -> Self {
         let guard = crate::CWD_LOCK.write();
-        DirRestore{
+        DirRestore {
             _g: guard,
             d: getcwd().unwrap(),
         }
diff --git a/bash-5.1/vendor/nix/test/test_dir.rs b/bash-5.1/vendor/nix/test/test_dir.rs
index 2940b6eafb351b27da004a431972b41d9031966c..f66299210e0eb83b10fbbe158cc12cd1dd5baa38 100644
--- a/bash-5.1/vendor/nix/test/test_dir.rs
+++ b/bash-5.1/vendor/nix/test/test_dir.rs
@@ -4,7 +4,6 @@ use nix::sys::stat::Mode;
 use std::fs::File;
 use tempfile::tempdir;
 
-
 #[cfg(test)]
 fn flags() -> OFlag {
     #[cfg(target_os = "illumos")]
@@ -17,11 +16,11 @@ fn flags() -> OFlag {
 }
 
 #[test]
-#[allow(clippy::unnecessary_sort_by)]   // False positive
+#[allow(clippy::unnecessary_sort_by)] // False positive
 fn read() {
     let tmp = tempdir().unwrap();
     File::create(&tmp.path().join("foo")).unwrap();
-    ::std::os::unix::fs::symlink("foo", tmp.path().join("bar")).unwrap();
+    std::os::unix::fs::symlink("foo", tmp.path().join("bar")).unwrap();
     let mut dir = Dir::open(tmp.path(), flags(), Mode::empty()).unwrap();
     let mut entries: Vec<_> = dir.iter().map(|e| e.unwrap()).collect();
     entries.sort_by(|a, b| a.file_name().cmp(b.file_name()));
@@ -43,13 +42,23 @@ fn read() {
 fn rewind() {
     let tmp = tempdir().unwrap();
     let mut dir = Dir::open(tmp.path(), flags(), Mode::empty()).unwrap();
-    let entries1: Vec<_> = dir.iter().map(|e| e.unwrap().file_name().to_owned()).collect();
-    let entries2: Vec<_> = dir.iter().map(|e| e.unwrap().file_name().to_owned()).collect();
-    let entries3: Vec<_> = dir.into_iter().map(|e| e.unwrap().file_name().to_owned()).collect();
+    let entries1: Vec<_> = dir
+        .iter()
+        .map(|e| e.unwrap().file_name().to_owned())
+        .collect();
+    let entries2: Vec<_> = dir
+        .iter()
+        .map(|e| e.unwrap().file_name().to_owned())
+        .collect();
+    let entries3: Vec<_> = dir
+        .into_iter()
+        .map(|e| e.unwrap().file_name().to_owned())
+        .collect();
     assert_eq!(entries1, entries2);
     assert_eq!(entries2, entries3);
 }
 
+#[cfg(not(target_os = "haiku"))]
 #[test]
 fn ebadf() {
     assert_eq!(Dir::from_fd(-1).unwrap_err(), nix::Error::EBADF);
diff --git a/bash-5.1/vendor/nix/test/test_fcntl.rs b/bash-5.1/vendor/nix/test/test_fcntl.rs
index ebfc43e25fc254864ccbf7ba278129ede36d452b..f4adee21fc431c39bb70cdc0b5be8f12a68df6ca 100644
--- a/bash-5.1/vendor/nix/test/test_fcntl.rs
+++ b/bash-5.1/vendor/nix/test/test_fcntl.rs
@@ -1,7 +1,7 @@
 #[cfg(not(target_os = "redox"))]
 use nix::errno::*;
 #[cfg(not(target_os = "redox"))]
-use nix::fcntl::{open, OFlag, readlink};
+use nix::fcntl::{open, readlink, OFlag};
 #[cfg(not(target_os = "redox"))]
 use nix::fcntl::{openat, readlinkat, renameat};
 #[cfg(all(
@@ -14,19 +14,19 @@ use nix::fcntl::{openat, readlinkat, renameat};
         target_arch = "s390x"
     )
 ))]
-use nix::fcntl::{RenameFlags, renameat2};
+use nix::fcntl::{renameat2, RenameFlags};
 #[cfg(not(target_os = "redox"))]
 use nix::sys::stat::Mode;
 #[cfg(not(target_os = "redox"))]
 use nix::unistd::{close, read};
 #[cfg(not(target_os = "redox"))]
-use tempfile::{self, NamedTempFile};
-#[cfg(not(target_os = "redox"))]
 use std::fs::File;
 #[cfg(not(target_os = "redox"))]
 use std::io::prelude::*;
 #[cfg(not(target_os = "redox"))]
 use std::os::unix::fs;
+#[cfg(not(target_os = "redox"))]
+use tempfile::{self, NamedTempFile};
 
 #[test]
 #[cfg(not(target_os = "redox"))]
@@ -38,13 +38,16 @@ fn test_openat() {
     let mut tmp = NamedTempFile::new().unwrap();
     tmp.write_all(CONTENTS).unwrap();
 
-    let dirfd = open(tmp.path().parent().unwrap(),
-                     OFlag::empty(),
-                     Mode::empty()).unwrap();
-    let fd = openat(dirfd,
-                    tmp.path().file_name().unwrap(),
-                    OFlag::O_RDONLY,
-                    Mode::empty()).unwrap();
+    let dirfd =
+        open(tmp.path().parent().unwrap(), OFlag::empty(), Mode::empty())
+            .unwrap();
+    let fd = openat(
+        dirfd,
+        tmp.path().file_name().unwrap(),
+        OFlag::O_RDONLY,
+        Mode::empty(),
+    )
+    .unwrap();
 
     let mut buf = [0u8; 1024];
     assert_eq!(4, read(fd, &mut buf).unwrap());
@@ -58,14 +61,18 @@ fn test_openat() {
 #[cfg(not(target_os = "redox"))]
 fn test_renameat() {
     let old_dir = tempfile::tempdir().unwrap();
-    let old_dirfd = open(old_dir.path(), OFlag::empty(), Mode::empty()).unwrap();
+    let old_dirfd =
+        open(old_dir.path(), OFlag::empty(), Mode::empty()).unwrap();
     let old_path = old_dir.path().join("old");
     File::create(&old_path).unwrap();
     let new_dir = tempfile::tempdir().unwrap();
-    let new_dirfd = open(new_dir.path(), OFlag::empty(), Mode::empty()).unwrap();
+    let new_dirfd =
+        open(new_dir.path(), OFlag::empty(), Mode::empty()).unwrap();
     renameat(Some(old_dirfd), "old", Some(new_dirfd), "new").unwrap();
-    assert_eq!(renameat(Some(old_dirfd), "old", Some(new_dirfd), "new").unwrap_err(),
-               Errno::ENOENT);
+    assert_eq!(
+        renameat(Some(old_dirfd), "old", Some(new_dirfd), "new").unwrap_err(),
+        Errno::ENOENT
+    );
     close(old_dirfd).unwrap();
     close(new_dirfd).unwrap();
     assert!(new_dir.path().join("new").exists());
@@ -84,11 +91,13 @@ fn test_renameat() {
 ))]
 fn test_renameat2_behaves_like_renameat_with_no_flags() {
     let old_dir = tempfile::tempdir().unwrap();
-    let old_dirfd = open(old_dir.path(), OFlag::empty(), Mode::empty()).unwrap();
+    let old_dirfd =
+        open(old_dir.path(), OFlag::empty(), Mode::empty()).unwrap();
     let old_path = old_dir.path().join("old");
     File::create(&old_path).unwrap();
     let new_dir = tempfile::tempdir().unwrap();
-    let new_dirfd = open(new_dir.path(), OFlag::empty(), Mode::empty()).unwrap();
+    let new_dirfd =
+        open(new_dir.path(), OFlag::empty(), Mode::empty()).unwrap();
     renameat2(
         Some(old_dirfd),
         "old",
@@ -126,14 +135,16 @@ fn test_renameat2_behaves_like_renameat_with_no_flags() {
 ))]
 fn test_renameat2_exchange() {
     let old_dir = tempfile::tempdir().unwrap();
-    let old_dirfd = open(old_dir.path(), OFlag::empty(), Mode::empty()).unwrap();
+    let old_dirfd =
+        open(old_dir.path(), OFlag::empty(), Mode::empty()).unwrap();
     let old_path = old_dir.path().join("old");
     {
         let mut old_f = File::create(&old_path).unwrap();
         old_f.write_all(b"old").unwrap();
     }
     let new_dir = tempfile::tempdir().unwrap();
-    let new_dirfd = open(new_dir.path(), OFlag::empty(), Mode::empty()).unwrap();
+    let new_dirfd =
+        open(new_dir.path(), OFlag::empty(), Mode::empty()).unwrap();
     let new_path = new_dir.path().join("new");
     {
         let mut new_f = File::create(&new_path).unwrap();
@@ -172,11 +183,13 @@ fn test_renameat2_exchange() {
 ))]
 fn test_renameat2_noreplace() {
     let old_dir = tempfile::tempdir().unwrap();
-    let old_dirfd = open(old_dir.path(), OFlag::empty(), Mode::empty()).unwrap();
+    let old_dirfd =
+        open(old_dir.path(), OFlag::empty(), Mode::empty()).unwrap();
     let old_path = old_dir.path().join("old");
     File::create(&old_path).unwrap();
     let new_dir = tempfile::tempdir().unwrap();
-    let new_dirfd = open(new_dir.path(), OFlag::empty(), Mode::empty()).unwrap();
+    let new_dirfd =
+        open(new_dir.path(), OFlag::empty(), Mode::empty()).unwrap();
     let new_path = new_dir.path().join("new");
     File::create(&new_path).unwrap();
     assert_eq!(
@@ -196,7 +209,6 @@ fn test_renameat2_noreplace() {
     assert!(old_dir.path().join("old").exists());
 }
 
-
 #[test]
 #[cfg(not(target_os = "redox"))]
 fn test_readlink() {
@@ -205,22 +217,22 @@ fn test_readlink() {
     let dst = tempdir.path().join("b");
     println!("a: {:?}, b: {:?}", &src, &dst);
     fs::symlink(&src.as_path(), &dst.as_path()).unwrap();
-    let dirfd = open(tempdir.path(),
-                     OFlag::empty(),
-                     Mode::empty()).unwrap();
+    let dirfd = open(tempdir.path(), OFlag::empty(), Mode::empty()).unwrap();
     let expected_dir = src.to_str().unwrap();
 
     assert_eq!(readlink(&dst).unwrap().to_str().unwrap(), expected_dir);
-    assert_eq!(readlinkat(dirfd, "b").unwrap().to_str().unwrap(), expected_dir);
-
+    assert_eq!(
+        readlinkat(dirfd, "b").unwrap().to_str().unwrap(),
+        expected_dir
+    );
 }
 
 #[cfg(any(target_os = "linux", target_os = "android"))]
 mod linux_android {
+    use libc::loff_t;
     use std::io::prelude::*;
     use std::io::{IoSlice, SeekFrom};
     use std::os::unix::prelude::*;
-    use libc::loff_t;
 
     use nix::fcntl::*;
     use nix::unistd::{close, pipe, read, write};
@@ -275,8 +287,15 @@ mod linux_android {
 
         let (rd, wr) = pipe().unwrap();
         let mut offset: loff_t = 5;
-        let res = splice(tmp.as_raw_fd(), Some(&mut offset),
-            wr, None, 2, SpliceFFlags::empty()).unwrap();
+        let res = splice(
+            tmp.as_raw_fd(),
+            Some(&mut offset),
+            wr,
+            None,
+            2,
+            SpliceFFlags::empty(),
+        )
+        .unwrap();
 
         assert_eq!(2, res);
 
@@ -321,10 +340,7 @@ mod linux_android {
 
         let buf1 = b"abcdef";
         let buf2 = b"defghi";
-        let iovecs = vec![
-            IoSlice::new(&buf1[0..3]),
-            IoSlice::new(&buf2[0..3])
-        ];
+        let iovecs = vec![IoSlice::new(&buf1[0..3]), IoSlice::new(&buf2[0..3])];
 
         let res = vmsplice(wr, &iovecs[..], SpliceFFlags::empty()).unwrap();
 
@@ -359,7 +375,7 @@ mod linux_android {
 
     #[test]
     #[cfg(all(target_os = "linux", not(target_env = "musl")))]
-    #[cfg_attr(target_env = "uclibc", ignore)]  // uclibc doesn't support OFD locks, but the test should still compile
+    #[cfg_attr(target_env = "uclibc", ignore)] // uclibc doesn't support OFD locks, but the test should still compile
     fn test_ofd_write_lock() {
         use nix::sys::stat::fstat;
         use std::mem;
@@ -377,7 +393,7 @@ mod linux_android {
         let inode = fstat(fd).expect("fstat failed").st_ino as usize;
 
         let mut flock: libc::flock = unsafe {
-            mem::zeroed()  // required for Linux/mips
+            mem::zeroed() // required for Linux/mips
         };
         flock.l_type = libc::F_WRLCK as libc::c_short;
         flock.l_whence = libc::SEEK_SET as libc::c_short;
@@ -397,7 +413,7 @@ mod linux_android {
 
     #[test]
     #[cfg(all(target_os = "linux", not(target_env = "musl")))]
-    #[cfg_attr(target_env = "uclibc", ignore)]  // uclibc doesn't support OFD locks, but the test should still compile
+    #[cfg_attr(target_env = "uclibc", ignore)] // uclibc doesn't support OFD locks, but the test should still compile
     fn test_ofd_read_lock() {
         use nix::sys::stat::fstat;
         use std::mem;
@@ -415,7 +431,7 @@ mod linux_android {
         let inode = fstat(fd).expect("fstat failed").st_ino as usize;
 
         let mut flock: libc::flock = unsafe {
-            mem::zeroed()  // required for Linux/mips
+            mem::zeroed() // required for Linux/mips
         };
         flock.l_type = libc::F_RDLCK as libc::c_short;
         flock.l_whence = libc::SEEK_SET as libc::c_short;
@@ -435,10 +451,7 @@ mod linux_android {
 
     #[cfg(all(target_os = "linux", not(target_env = "musl")))]
     fn lock_info(inode: usize) -> Option<(String, String)> {
-        use std::{
-            fs::File,
-            io::BufReader
-        };
+        use std::{fs::File, io::BufReader};
 
         let file = File::open("/proc/locks").expect("open /proc/locks failed");
         let buf = BufReader::new(file);
@@ -458,52 +471,63 @@ mod linux_android {
     }
 }
 
-#[cfg(any(target_os = "linux",
-          target_os = "android",
-          target_os = "emscripten",
-          target_os = "fuchsia",
-          any(target_os = "wasi", target_env = "wasi"),
-          target_env = "uclibc",
-          target_os = "freebsd"))]
+#[cfg(any(
+    target_os = "linux",
+    target_os = "android",
+    target_os = "emscripten",
+    target_os = "fuchsia",
+    target_os = "wasi",
+    target_env = "uclibc",
+    target_os = "freebsd"
+))]
 mod test_posix_fadvise {
 
-    use tempfile::NamedTempFile;
-    use std::os::unix::io::{RawFd, AsRawFd};
     use nix::errno::Errno;
     use nix::fcntl::*;
     use nix::unistd::pipe;
+    use std::os::unix::io::{AsRawFd, RawFd};
+    use tempfile::NamedTempFile;
 
     #[test]
     fn test_success() {
         let tmp = NamedTempFile::new().unwrap();
         let fd = tmp.as_raw_fd();
-        let res = posix_fadvise(fd, 0, 100, PosixFadviseAdvice::POSIX_FADV_WILLNEED);
-
-        assert!(res.is_ok());
+        posix_fadvise(fd, 0, 100, PosixFadviseAdvice::POSIX_FADV_WILLNEED)
+            .expect("posix_fadvise failed");
     }
 
     #[test]
     fn test_errno() {
         let (rd, _wr) = pipe().unwrap();
-        let res = posix_fadvise(rd as RawFd, 0, 100, PosixFadviseAdvice::POSIX_FADV_WILLNEED);
+        let res = posix_fadvise(
+            rd as RawFd,
+            0,
+            100,
+            PosixFadviseAdvice::POSIX_FADV_WILLNEED,
+        );
         assert_eq!(res, Err(Errno::ESPIPE));
     }
 }
 
-#[cfg(any(target_os = "linux",
-          target_os = "android",
-          target_os = "dragonfly",
-          target_os = "emscripten",
-          target_os = "fuchsia",
-          any(target_os = "wasi", target_env = "wasi"),
-          target_os = "freebsd"))]
+#[cfg(any(
+    target_os = "linux",
+    target_os = "android",
+    target_os = "dragonfly",
+    target_os = "emscripten",
+    target_os = "fuchsia",
+    target_os = "wasi",
+    target_os = "freebsd"
+))]
 mod test_posix_fallocate {
 
-    use tempfile::NamedTempFile;
-    use std::{io::Read, os::unix::io::{RawFd, AsRawFd}};
     use nix::errno::Errno;
     use nix::fcntl::*;
     use nix::unistd::pipe;
+    use std::{
+        io::Read,
+        os::unix::io::{AsRawFd, RawFd},
+    };
+    use tempfile::NamedTempFile;
 
     #[test]
     fn success() {
@@ -535,11 +559,7 @@ mod test_posix_fallocate {
         let err = posix_fallocate(rd as RawFd, 0, 100).unwrap_err();
         match err {
             Errno::EINVAL | Errno::ENODEV | Errno::ESPIPE | Errno::EBADF => (),
-            errno =>
-                panic!(
-                    "unexpected errno {}",
-                    errno,
-                ),
+            errno => panic!("unexpected errno {}", errno,),
         }
     }
 }
diff --git a/bash-5.1/vendor/nix/test/test_kmod/mod.rs b/bash-5.1/vendor/nix/test/test_kmod/mod.rs
index 8eef5384a36e258d4970f98a67ecb055448c6222..5ebc2423db7edb66fa81d2d3ca2b13a5f4e96100 100644
--- a/bash-5.1/vendor/nix/test/test_kmod/mod.rs
+++ b/bash-5.1/vendor/nix/test/test_kmod/mod.rs
@@ -1,22 +1,25 @@
+use crate::*;
 use std::fs::copy;
 use std::path::PathBuf;
 use std::process::Command;
 use tempfile::{tempdir, TempDir};
-use crate::*;
 
 fn compile_kernel_module() -> (PathBuf, String, TempDir) {
     let _m = crate::FORK_MTX.lock();
 
-    let tmp_dir = tempdir().expect("unable to create temporary build directory");
+    let tmp_dir =
+        tempdir().expect("unable to create temporary build directory");
 
     copy(
         "test/test_kmod/hello_mod/hello.c",
         &tmp_dir.path().join("hello.c"),
-    ).expect("unable to copy hello.c to temporary build directory");
+    )
+    .expect("unable to copy hello.c to temporary build directory");
     copy(
         "test/test_kmod/hello_mod/Makefile",
         &tmp_dir.path().join("Makefile"),
-    ).expect("unable to copy Makefile to temporary build directory");
+    )
+    .expect("unable to copy Makefile to temporary build directory");
 
     let status = Command::new("make")
         .current_dir(tmp_dir.path())
@@ -51,12 +54,16 @@ fn test_finit_and_delete_module() {
     delete_module(
         &CString::new(kmod_name).unwrap(),
         DeleteModuleFlags::empty(),
-    ).expect("unable to unload kernel module");
+    )
+    .expect("unable to unload kernel module");
 }
 
 #[test]
 fn test_finit_and_delete_module_with_params() {
-    require_capability!("test_finit_and_delete_module_with_params", CAP_SYS_MODULE);
+    require_capability!(
+        "test_finit_and_delete_module_with_params",
+        CAP_SYS_MODULE
+    );
     let _m0 = crate::KMOD_MTX.lock();
     let _m1 = crate::CWD_LOCK.read();
 
@@ -67,12 +74,14 @@ fn test_finit_and_delete_module_with_params() {
         &f,
         &CString::new("who=Rust number=2018").unwrap(),
         ModuleInitFlags::empty(),
-    ).expect("unable to load kernel module");
+    )
+    .expect("unable to load kernel module");
 
     delete_module(
         &CString::new(kmod_name).unwrap(),
         DeleteModuleFlags::empty(),
-    ).expect("unable to unload kernel module");
+    )
+    .expect("unable to unload kernel module");
 }
 
 #[test]
@@ -87,17 +96,22 @@ fn test_init_and_delete_module() {
     let mut contents: Vec<u8> = Vec::new();
     f.read_to_end(&mut contents)
         .expect("unable to read kernel module content to buffer");
-    init_module(&contents, &CString::new("").unwrap()).expect("unable to load kernel module");
+    init_module(&contents, &CString::new("").unwrap())
+        .expect("unable to load kernel module");
 
     delete_module(
         &CString::new(kmod_name).unwrap(),
         DeleteModuleFlags::empty(),
-    ).expect("unable to unload kernel module");
+    )
+    .expect("unable to unload kernel module");
 }
 
 #[test]
 fn test_init_and_delete_module_with_params() {
-    require_capability!("test_init_and_delete_module_with_params", CAP_SYS_MODULE);
+    require_capability!(
+        "test_init_and_delete_module_with_params",
+        CAP_SYS_MODULE
+    );
     let _m0 = crate::KMOD_MTX.lock();
     let _m1 = crate::CWD_LOCK.read();
 
@@ -113,7 +127,8 @@ fn test_init_and_delete_module_with_params() {
     delete_module(
         &CString::new(kmod_name).unwrap(),
         DeleteModuleFlags::empty(),
-    ).expect("unable to unload kernel module");
+    )
+    .expect("unable to unload kernel module");
 }
 
 #[test]
@@ -125,14 +140,18 @@ fn test_finit_module_invalid() {
     let kmod_path = "/dev/zero";
 
     let f = File::open(kmod_path).expect("unable to open kernel module");
-    let result = finit_module(&f, &CString::new("").unwrap(), ModuleInitFlags::empty());
+    let result =
+        finit_module(&f, &CString::new("").unwrap(), ModuleInitFlags::empty());
 
     assert_eq!(result.unwrap_err(), Errno::EINVAL);
 }
 
 #[test]
 fn test_finit_module_twice_and_delete_module() {
-    require_capability!("test_finit_module_twice_and_delete_module", CAP_SYS_MODULE);
+    require_capability!(
+        "test_finit_module_twice_and_delete_module",
+        CAP_SYS_MODULE
+    );
     let _m0 = crate::KMOD_MTX.lock();
     let _m1 = crate::CWD_LOCK.read();
 
@@ -142,14 +161,16 @@ fn test_finit_module_twice_and_delete_module() {
     finit_module(&f, &CString::new("").unwrap(), ModuleInitFlags::empty())
         .expect("unable to load kernel module");
 
-    let result = finit_module(&f, &CString::new("").unwrap(), ModuleInitFlags::empty());
+    let result =
+        finit_module(&f, &CString::new("").unwrap(), ModuleInitFlags::empty());
 
     assert_eq!(result.unwrap_err(), Errno::EEXIST);
 
     delete_module(
         &CString::new(kmod_name).unwrap(),
         DeleteModuleFlags::empty(),
-    ).expect("unable to unload kernel module");
+    )
+    .expect("unable to unload kernel module");
 }
 
 #[test]
@@ -158,7 +179,10 @@ fn test_delete_module_not_loaded() {
     let _m0 = crate::KMOD_MTX.lock();
     let _m1 = crate::CWD_LOCK.read();
 
-    let result = delete_module(&CString::new("hello").unwrap(), DeleteModuleFlags::empty());
+    let result = delete_module(
+        &CString::new("hello").unwrap(),
+        DeleteModuleFlags::empty(),
+    );
 
     assert_eq!(result.unwrap_err(), Errno::ENOENT);
 }
diff --git a/bash-5.1/vendor/nix/test/test_mount.rs b/bash-5.1/vendor/nix/test/test_mount.rs
index 1ddfcfe932e02a234395e5b43111df70ed3fd939..febcadfbca07db11ee59409d8019a05fc11b9626 100644
--- a/bash-5.1/vendor/nix/test/test_mount.rs
+++ b/bash-5.1/vendor/nix/test/test_mount.rs
@@ -27,16 +27,18 @@ exit 23";
     const EXPECTED_STATUS: i32 = 23;
 
     const NONE: Option<&'static [u8]> = None;
-    #[allow(clippy::bind_instead_of_map)]   // False positive
+    #[allow(clippy::bind_instead_of_map)] // False positive
     pub fn test_mount_tmpfs_without_flags_allows_rwx() {
         let tempdir = tempfile::tempdir().unwrap();
 
-        mount(NONE,
-              tempdir.path(),
-              Some(b"tmpfs".as_ref()),
-              MsFlags::empty(),
-              NONE)
-            .unwrap_or_else(|e| panic!("mount failed: {}", e));
+        mount(
+            NONE,
+            tempdir.path(),
+            Some(b"tmpfs".as_ref()),
+            MsFlags::empty(),
+            NONE,
+        )
+        .unwrap_or_else(|e| panic!("mount failed: {}", e));
 
         let test_path = tempdir.path().join("test");
 
@@ -46,8 +48,10 @@ exit 23";
             .write(true)
             .mode((Mode::S_IRWXU | Mode::S_IRWXG | Mode::S_IRWXO).bits())
             .open(&test_path)
-            .or_else(|e|
-                if Errno::from_i32(e.raw_os_error().unwrap()) == Errno::EOVERFLOW {
+            .or_else(|e| {
+                if Errno::from_i32(e.raw_os_error().unwrap())
+                    == Errno::EOVERFLOW
+                {
                     // Skip tests on certain Linux kernels which have a bug
                     // regarding tmpfs in namespaces.
                     // Ubuntu 14.04 and 16.04 are known to be affected; 16.10 is
@@ -56,13 +60,16 @@ exit 23";
                     // https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1659087
                     let stderr = io::stderr();
                     let mut handle = stderr.lock();
-                    writeln!(handle, "Buggy Linux kernel detected.  Skipping test.")
+                    writeln!(
+                        handle,
+                        "Buggy Linux kernel detected.  Skipping test."
+                    )
                     .unwrap();
                     process::exit(0);
-               } else {
-                   panic!("open failed: {}", e);
-               }
-            )
+                } else {
+                    panic!("open failed: {}", e);
+                }
+            })
             .and_then(|mut f| f.write(SCRIPT_CONTENTS))
             .unwrap_or_else(|e| panic!("write failed: {}", e));
 
@@ -74,42 +81,55 @@ exit 23";
         assert_eq!(buf, SCRIPT_CONTENTS);
 
         // Verify execute.
-        assert_eq!(EXPECTED_STATUS,
-                   Command::new(&test_path)
-                       .status()
-                       .unwrap_or_else(|e| panic!("exec failed: {}", e))
-                       .code()
-                       .unwrap_or_else(|| panic!("child killed by signal")));
-
-        umount(tempdir.path()).unwrap_or_else(|e| panic!("umount failed: {}", e));
+        assert_eq!(
+            EXPECTED_STATUS,
+            Command::new(&test_path)
+                .status()
+                .unwrap_or_else(|e| panic!("exec failed: {}", e))
+                .code()
+                .unwrap_or_else(|| panic!("child killed by signal"))
+        );
+
+        umount(tempdir.path())
+            .unwrap_or_else(|e| panic!("umount failed: {}", e));
     }
 
     pub fn test_mount_rdonly_disallows_write() {
         let tempdir = tempfile::tempdir().unwrap();
 
-        mount(NONE,
-              tempdir.path(),
-              Some(b"tmpfs".as_ref()),
-              MsFlags::MS_RDONLY,
-              NONE)
-            .unwrap_or_else(|e| panic!("mount failed: {}", e));
+        mount(
+            NONE,
+            tempdir.path(),
+            Some(b"tmpfs".as_ref()),
+            MsFlags::MS_RDONLY,
+            NONE,
+        )
+        .unwrap_or_else(|e| panic!("mount failed: {}", e));
 
         // EROFS: Read-only file system
-        assert_eq!(EROFS as i32,
-                   File::create(tempdir.path().join("test")).unwrap_err().raw_os_error().unwrap());
-
-        umount(tempdir.path()).unwrap_or_else(|e| panic!("umount failed: {}", e));
+        assert_eq!(
+            EROFS as i32,
+            File::create(tempdir.path().join("test"))
+                .unwrap_err()
+                .raw_os_error()
+                .unwrap()
+        );
+
+        umount(tempdir.path())
+            .unwrap_or_else(|e| panic!("umount failed: {}", e));
     }
 
     pub fn test_mount_noexec_disallows_exec() {
         let tempdir = tempfile::tempdir().unwrap();
 
-        mount(NONE,
-              tempdir.path(),
-              Some(b"tmpfs".as_ref()),
-              MsFlags::MS_NOEXEC,
-              NONE)
-            .unwrap_or_else(|e| panic!("mount failed: {}", e));
+        mount(
+            NONE,
+            tempdir.path(),
+            Some(b"tmpfs".as_ref()),
+            MsFlags::MS_NOEXEC,
+            NONE,
+        )
+        .unwrap_or_else(|e| panic!("mount failed: {}", e));
 
         let test_path = tempdir.path().join("test");
 
@@ -122,21 +142,30 @@ exit 23";
             .unwrap_or_else(|e| panic!("write failed: {}", e));
 
         // Verify that we cannot execute despite a+x permissions being set.
-        let mode = stat::Mode::from_bits_truncate(fs::metadata(&test_path)
-                                                      .map(|md| md.permissions().mode())
-                                                      .unwrap_or_else(|e| {
-                                                          panic!("metadata failed: {}", e)
-                                                      }));
-
-        assert!(mode.contains(Mode::S_IXUSR | Mode::S_IXGRP | Mode::S_IXOTH),
-                "{:?} did not have execute permissions",
-                &test_path);
+        let mode = stat::Mode::from_bits_truncate(
+            fs::metadata(&test_path)
+                .map(|md| md.permissions().mode())
+                .unwrap_or_else(|e| panic!("metadata failed: {}", e)),
+        );
+
+        assert!(
+            mode.contains(Mode::S_IXUSR | Mode::S_IXGRP | Mode::S_IXOTH),
+            "{:?} did not have execute permissions",
+            &test_path
+        );
 
         // EACCES: Permission denied
-        assert_eq!(EACCES as i32,
-                   Command::new(&test_path).status().unwrap_err().raw_os_error().unwrap());
-
-        umount(tempdir.path()).unwrap_or_else(|e| panic!("umount failed: {}", e));
+        assert_eq!(
+            EACCES as i32,
+            Command::new(&test_path)
+                .status()
+                .unwrap_err()
+                .raw_os_error()
+                .unwrap()
+        );
+
+        umount(tempdir.path())
+            .unwrap_or_else(|e| panic!("umount failed: {}", e));
     }
 
     pub fn test_mount_bind() {
@@ -146,12 +175,14 @@ exit 23";
         {
             let mount_point = tempfile::tempdir().unwrap();
 
-            mount(Some(tempdir.path()),
-                  mount_point.path(),
-                  NONE,
-                  MsFlags::MS_BIND,
-                  NONE)
-                .unwrap_or_else(|e| panic!("mount failed: {}", e));
+            mount(
+                Some(tempdir.path()),
+                mount_point.path(),
+                NONE,
+                MsFlags::MS_BIND,
+                NONE,
+            )
+            .unwrap_or_else(|e| panic!("mount failed: {}", e));
 
             fs::OpenOptions::new()
                 .create(true)
@@ -161,7 +192,8 @@ exit 23";
                 .and_then(|mut f| f.write(SCRIPT_CONTENTS))
                 .unwrap_or_else(|e| panic!("write failed: {}", e));
 
-            umount(mount_point.path()).unwrap_or_else(|e| panic!("umount failed: {}", e));
+            umount(mount_point.path())
+                .unwrap_or_else(|e| panic!("umount failed: {}", e));
         }
 
         // Verify the file written in the mount shows up in source directory, even
@@ -199,7 +231,6 @@ exit 23";
     }
 }
 
-
 // Test runner
 
 /// Mimic normal test output (hackishly).
@@ -220,16 +251,20 @@ macro_rules! run_tests {
 
 #[cfg(target_os = "linux")]
 fn main() {
-    use test_mount::{setup_namespaces, test_mount_tmpfs_without_flags_allows_rwx,
-                     test_mount_rdonly_disallows_write, test_mount_noexec_disallows_exec,
-                     test_mount_bind};
+    use test_mount::{
+        setup_namespaces, test_mount_bind, test_mount_noexec_disallows_exec,
+        test_mount_rdonly_disallows_write,
+        test_mount_tmpfs_without_flags_allows_rwx,
+    };
     skip_if_cirrus!("Fails for an unknown reason Cirrus CI.  Bug #1351");
     setup_namespaces();
 
-    run_tests!(test_mount_tmpfs_without_flags_allows_rwx,
-               test_mount_rdonly_disallows_write,
-               test_mount_noexec_disallows_exec,
-               test_mount_bind);
+    run_tests!(
+        test_mount_tmpfs_without_flags_allows_rwx,
+        test_mount_rdonly_disallows_write,
+        test_mount_noexec_disallows_exec,
+        test_mount_bind
+    );
 }
 
 #[cfg(not(target_os = "linux"))]
diff --git a/bash-5.1/vendor/nix/test/test_mq.rs b/bash-5.1/vendor/nix/test/test_mq.rs
index 8aff840ddc57ae2989334916130eb34e1cc84f6f..7b48e7ac78f067c2e7f876f3087543cf7c029e2b 100644
--- a/bash-5.1/vendor/nix/test/test_mq.rs
+++ b/bash-5.1/vendor/nix/test/test_mq.rs
@@ -3,8 +3,8 @@ use std::ffi::CString;
 use std::str;
 
 use nix::errno::Errno;
-use nix::mqueue::{mq_open, mq_close, mq_send, mq_receive, mq_attr_member_t};
-use nix::mqueue::{MqAttr, MQ_OFlag};
+use nix::mqueue::{mq_attr_member_t, mq_close, mq_open, mq_receive, mq_send};
+use nix::mqueue::{MQ_OFlag, MqAttr};
 use nix::sys::stat::Mode;
 
 // Defined as a macro such that the error source is reported as the caller's location.
@@ -29,8 +29,8 @@ macro_rules! assert_attr_eq {
 #[test]
 fn test_mq_send_and_receive() {
     const MSG_SIZE: mq_attr_member_t = 32;
-    let attr =  MqAttr::new(0, 10, MSG_SIZE, 0);
-    let mq_name= &CString::new(b"/a_nix_test_queue".as_ref()).unwrap();
+    let attr = MqAttr::new(0, 10, MSG_SIZE, 0);
+    let mq_name = &CString::new(b"/a_nix_test_queue".as_ref()).unwrap();
 
     let oflag0 = MQ_OFlag::O_CREAT | MQ_OFlag::O_WRONLY;
     let mode = Mode::S_IWUSR | Mode::S_IRUSR | Mode::S_IRGRP | Mode::S_IROTH;
@@ -55,12 +55,11 @@ fn test_mq_send_and_receive() {
     assert_eq!(msg_to_send, str::from_utf8(&buf[0..len]).unwrap());
 }
 
-
 #[test]
 fn test_mq_getattr() {
     use nix::mqueue::mq_getattr;
     const MSG_SIZE: mq_attr_member_t = 32;
-    let initial_attr =  MqAttr::new(0, 10, MSG_SIZE, 0);
+    let initial_attr = MqAttr::new(0, 10, MSG_SIZE, 0);
     let mq_name = &CString::new(b"/attr_test_get_attr".as_ref()).unwrap();
     let oflag = MQ_OFlag::O_CREAT | MQ_OFlag::O_WRONLY;
     let mode = Mode::S_IWUSR | Mode::S_IRUSR | Mode::S_IRGRP | Mode::S_IROTH;
@@ -78,15 +77,14 @@ fn test_mq_getattr() {
 
 // FIXME: Fix failures for mips in QEMU
 #[test]
-#[cfg_attr(all(
-        qemu,
-        any(target_arch = "mips", target_arch = "mips64")
-    ), ignore
+#[cfg_attr(
+    all(qemu, any(target_arch = "mips", target_arch = "mips64")),
+    ignore
 )]
 fn test_mq_setattr() {
     use nix::mqueue::{mq_getattr, mq_setattr};
     const MSG_SIZE: mq_attr_member_t = 32;
-    let initial_attr =  MqAttr::new(0, 10, MSG_SIZE, 0);
+    let initial_attr = MqAttr::new(0, 10, MSG_SIZE, 0);
     let mq_name = &CString::new(b"/attr_test_get_attr".as_ref()).unwrap();
     let oflag = MQ_OFlag::O_CREAT | MQ_OFlag::O_WRONLY;
     let mode = Mode::S_IWUSR | Mode::S_IRUSR | Mode::S_IRGRP | Mode::S_IROTH;
@@ -109,7 +107,12 @@ fn test_mq_setattr() {
         assert_ne!(new_attr_get, new_attr);
     }
 
-    let new_attr_non_blocking = MqAttr::new(MQ_OFlag::O_NONBLOCK.bits() as mq_attr_member_t, 10, MSG_SIZE, 0);
+    let new_attr_non_blocking = MqAttr::new(
+        MQ_OFlag::O_NONBLOCK.bits() as mq_attr_member_t,
+        10,
+        MSG_SIZE,
+        0,
+    );
     mq_setattr(&mqd, &new_attr_non_blocking).unwrap();
     let new_attr_get = mq_getattr(&mqd).unwrap();
 
@@ -124,15 +127,14 @@ fn test_mq_setattr() {
 
 // FIXME: Fix failures for mips in QEMU
 #[test]
-#[cfg_attr(all(
-        qemu,
-        any(target_arch = "mips", target_arch = "mips64")
-    ), ignore
+#[cfg_attr(
+    all(qemu, any(target_arch = "mips", target_arch = "mips64")),
+    ignore
 )]
 fn test_mq_set_nonblocking() {
-    use nix::mqueue::{mq_getattr, mq_set_nonblock, mq_remove_nonblock};
+    use nix::mqueue::{mq_getattr, mq_remove_nonblock, mq_set_nonblock};
     const MSG_SIZE: mq_attr_member_t = 32;
-    let initial_attr =  MqAttr::new(0, 10, MSG_SIZE, 0);
+    let initial_attr = MqAttr::new(0, 10, MSG_SIZE, 0);
     let mq_name = &CString::new(b"/attr_test_get_attr".as_ref()).unwrap();
     let oflag = MQ_OFlag::O_CREAT | MQ_OFlag::O_WRONLY;
     let mode = Mode::S_IWUSR | Mode::S_IRUSR | Mode::S_IRGRP | Mode::S_IROTH;
@@ -156,10 +158,11 @@ fn test_mq_set_nonblocking() {
 fn test_mq_unlink() {
     use nix::mqueue::mq_unlink;
     const MSG_SIZE: mq_attr_member_t = 32;
-    let initial_attr =  MqAttr::new(0, 10, MSG_SIZE, 0);
+    let initial_attr = MqAttr::new(0, 10, MSG_SIZE, 0);
     let mq_name_opened = &CString::new(b"/mq_unlink_test".as_ref()).unwrap();
     #[cfg(not(any(target_os = "dragonfly", target_os = "netbsd")))]
-    let mq_name_not_opened = &CString::new(b"/mq_unlink_test".as_ref()).unwrap();
+    let mq_name_not_opened =
+        &CString::new(b"/mq_unlink_test".as_ref()).unwrap();
     let oflag = MQ_OFlag::O_CREAT | MQ_OFlag::O_WRONLY;
     let mode = Mode::S_IWUSR | Mode::S_IRUSR | Mode::S_IRGRP | Mode::S_IROTH;
     let r = mq_open(mq_name_opened, oflag, mode, Some(&initial_attr));
@@ -170,7 +173,7 @@ fn test_mq_unlink() {
     let mqd = r.unwrap();
 
     let res_unlink = mq_unlink(mq_name_opened);
-    assert_eq!(res_unlink, Ok(()) );
+    assert_eq!(res_unlink, Ok(()));
 
     // NetBSD (and others which inherit its implementation) defer removing the message
     // queue name until all references are closed, whereas Linux and others remove the
@@ -178,10 +181,10 @@ fn test_mq_unlink() {
     #[cfg(not(any(target_os = "dragonfly", target_os = "netbsd")))]
     {
         let res_unlink_not_opened = mq_unlink(mq_name_not_opened);
-        assert_eq!(res_unlink_not_opened, Err(Errno::ENOENT) );
+        assert_eq!(res_unlink_not_opened, Err(Errno::ENOENT));
     }
 
     mq_close(mqd).unwrap();
     let res_unlink_after_close = mq_unlink(mq_name_opened);
-    assert_eq!(res_unlink_after_close, Err(Errno::ENOENT) );
+    assert_eq!(res_unlink_after_close, Err(Errno::ENOENT));
 }
diff --git a/bash-5.1/vendor/nix/test/test_net.rs b/bash-5.1/vendor/nix/test/test_net.rs
index 40ecd6bb754fae5eb0a55d650ec64f37dc93c3d7..c44655a4c9b6368069c9c7e3d8dac32a0d0581d7 100644
--- a/bash-5.1/vendor/nix/test/test_net.rs
+++ b/bash-5.1/vendor/nix/test/test_net.rs
@@ -3,10 +3,17 @@ use nix::net::if_::*;
 #[cfg(any(target_os = "android", target_os = "linux"))]
 const LOOPBACK: &[u8] = b"lo";
 
-#[cfg(not(any(target_os = "android", target_os = "linux")))]
+#[cfg(not(any(
+    target_os = "android",
+    target_os = "linux",
+    target_os = "haiku"
+)))]
 const LOOPBACK: &[u8] = b"lo0";
 
+#[cfg(target_os = "haiku")]
+const LOOPBACK: &[u8] = b"loop";
+
 #[test]
 fn test_if_nametoindex() {
-    assert!(if_nametoindex(LOOPBACK).is_ok());
+    if_nametoindex(LOOPBACK).expect("assertion failed");
 }
diff --git a/bash-5.1/vendor/nix/test/test_nix_path.rs b/bash-5.1/vendor/nix/test/test_nix_path.rs
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..8b137891791fe96927ad78e64b0aad7bded08bdc 100644
--- a/bash-5.1/vendor/nix/test/test_nix_path.rs
+++ b/bash-5.1/vendor/nix/test/test_nix_path.rs
@@ -0,0 +1 @@
+
diff --git a/bash-5.1/vendor/nix/test/test_nmount.rs b/bash-5.1/vendor/nix/test/test_nmount.rs
index 4c74ecf627330c781efcd0d0ddd601abc626da01..dec806a55fb1a69541b3d246faacaf2821304c40 100644
--- a/bash-5.1/vendor/nix/test/test_nmount.rs
+++ b/bash-5.1/vendor/nix/test/test_nmount.rs
@@ -1,13 +1,9 @@
 use crate::*;
 use nix::{
     errno::Errno,
-    mount::{MntFlags, Nmount, unmount}
-};
-use std::{
-    ffi::CString,
-    fs::File,
-    path::Path
+    mount::{unmount, MntFlags, Nmount},
 };
+use std::{ffi::CString, fs::File, path::Path};
 use tempfile::tempdir;
 
 #[test]
@@ -24,14 +20,15 @@ fn ok() {
         .str_opt(&fstype, &nullfs)
         .str_opt_owned("fspath", mountpoint.path().to_str().unwrap())
         .str_opt_owned("target", target.path().to_str().unwrap())
-        .nmount(MntFlags::empty()).unwrap();
-    
+        .nmount(MntFlags::empty())
+        .unwrap();
+
     // Now check that the sentry is visible through the mountpoint
     let exists = Path::exists(&mountpoint.path().join("sentry"));
 
     // Cleanup the mountpoint before asserting
     unmount(mountpoint.path(), MntFlags::empty()).unwrap();
-    
+
     assert!(exists);
 }
 
@@ -44,8 +41,9 @@ fn bad_fstype() {
     let e = Nmount::new()
         .str_opt_owned("fspath", mountpoint.path().to_str().unwrap())
         .str_opt_owned("target", target.path().to_str().unwrap())
-        .nmount(MntFlags::empty()).unwrap_err();
-    
+        .nmount(MntFlags::empty())
+        .unwrap_err();
+
     assert_eq!(e.error(), Errno::EINVAL);
     assert_eq!(e.errmsg(), Some("Invalid fstype"));
 }
diff --git a/bash-5.1/vendor/nix/test/test_poll.rs b/bash-5.1/vendor/nix/test/test_poll.rs
index e4b369f3f2a0201aa984624e0831bae85a5d5268..53964e26bbcc5fc0589f853c216630505f329596 100644
--- a/bash-5.1/vendor/nix/test/test_poll.rs
+++ b/bash-5.1/vendor/nix/test/test_poll.rs
@@ -1,7 +1,7 @@
 use nix::{
     errno::Errno,
-    poll::{PollFlags, poll, PollFd},
-    unistd::{write, pipe}
+    poll::{poll, PollFd, PollFlags},
+    unistd::{pipe, write},
 };
 
 macro_rules! loop_while_eintr {
@@ -10,10 +10,10 @@ macro_rules! loop_while_eintr {
             match $poll_expr {
                 Ok(nfds) => break nfds,
                 Err(Errno::EINTR) => (),
-                Err(e) => panic!("{}", e)
+                Err(e) => panic!("{}", e),
             }
         }
-    }
+    };
 }
 
 #[test]
@@ -37,10 +37,12 @@ fn test_poll() {
 // ppoll(2) is the same as poll except for how it handles timeouts and signals.
 // Repeating the test for poll(2) should be sufficient to check that our
 // bindings are correct.
-#[cfg(any(target_os = "android",
-          target_os = "dragonfly",
-          target_os = "freebsd",
-          target_os = "linux"))]
+#[cfg(any(
+    target_os = "android",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "linux"
+))]
 #[test]
 fn test_ppoll() {
     use nix::poll::ppoll;
@@ -53,14 +55,14 @@ fn test_ppoll() {
 
     // Poll an idle pipe.  Should timeout
     let sigset = SigSet::empty();
-    let nfds = loop_while_eintr!(ppoll(&mut fds, Some(timeout), sigset));
+    let nfds = loop_while_eintr!(ppoll(&mut fds, Some(timeout), Some(sigset)));
     assert_eq!(nfds, 0);
     assert!(!fds[0].revents().unwrap().contains(PollFlags::POLLIN));
 
     write(w, b".").unwrap();
 
     // Poll a readable pipe.  Should return an event.
-    let nfds = ppoll(&mut fds, Some(timeout), SigSet::empty()).unwrap();
+    let nfds = ppoll(&mut fds, Some(timeout), None).unwrap();
     assert_eq!(nfds, 1);
     assert!(fds[0].revents().unwrap().contains(PollFlags::POLLIN));
 }
diff --git a/bash-5.1/vendor/nix/test/test_pty.rs b/bash-5.1/vendor/nix/test/test_pty.rs
index 1a7cab81a041c734b76c3e2234cbb6013a739656..5c27e2d632de8a7d66ce74ad8ffd6758c17bee90 100644
--- a/bash-5.1/vendor/nix/test/test_pty.rs
+++ b/bash-5.1/vendor/nix/test/test_pty.rs
@@ -1,15 +1,15 @@
 use std::fs::File;
 use std::io::{Read, Write};
-use std::path::Path;
 use std::os::unix::prelude::*;
+use std::path::Path;
 use tempfile::tempfile;
 
 use libc::{_exit, STDOUT_FILENO};
-use nix::fcntl::{OFlag, open};
+use nix::fcntl::{open, OFlag};
 use nix::pty::*;
 use nix::sys::stat;
 use nix::sys::termios::*;
-use nix::unistd::{write, close, pause};
+use nix::unistd::{close, pause, write};
 
 /// Regression test for Issue #659
 /// This is the correct way to explicitly close a `PtyMaster`
@@ -36,7 +36,7 @@ fn test_ptsname_equivalence() {
     assert!(master_fd.as_raw_fd() > 0);
 
     // Get the name of the slave
-    let slave_name = unsafe { ptsname(&master_fd) }.unwrap() ;
+    let slave_name = unsafe { ptsname(&master_fd) }.unwrap();
     let slave_name_r = ptsname_r(&master_fd).unwrap();
     assert_eq!(slave_name, slave_name_r);
 }
@@ -58,7 +58,7 @@ fn test_ptsname_copy() {
     assert_eq!(slave_name1, slave_name2);
     // Also make sure that the string was actually copied and they point to different parts of
     // memory.
-    assert!(slave_name1.as_ptr() != slave_name2.as_ptr());
+    assert_ne!(slave_name1.as_ptr(), slave_name2.as_ptr());
 }
 
 /// Test data copying of `ptsname_r`
@@ -73,7 +73,7 @@ fn test_ptsname_r_copy() {
     let slave_name1 = ptsname_r(&master_fd).unwrap();
     let slave_name2 = ptsname_r(&master_fd).unwrap();
     assert_eq!(slave_name1, slave_name2);
-    assert!(slave_name1.as_ptr() != slave_name2.as_ptr());
+    assert_ne!(slave_name1.as_ptr(), slave_name2.as_ptr());
 }
 
 /// Test that `ptsname` returns different names for different devices
@@ -93,7 +93,7 @@ fn test_ptsname_unique() {
     // Get the name of the slave
     let slave_name1 = unsafe { ptsname(&master1_fd) }.unwrap();
     let slave_name2 = unsafe { ptsname(&master2_fd) }.unwrap();
-    assert!(slave_name1 != slave_name2);
+    assert_ne!(slave_name1, slave_name2);
 }
 
 /// Common setup for testing PTTY pairs
@@ -111,7 +111,9 @@ fn open_ptty_pair() -> (PtyMaster, File) {
     let slave_name = unsafe { ptsname(&master) }.expect("ptsname failed");
 
     // Open the slave device
-    let slave_fd = open(Path::new(&slave_name), OFlag::O_RDWR, stat::Mode::empty()).unwrap();
+    let slave_fd =
+        open(Path::new(&slave_name), OFlag::O_RDWR, stat::Mode::empty())
+            .unwrap();
 
     #[cfg(target_os = "illumos")]
     // TODO: rewrite using ioctl!
@@ -279,9 +281,9 @@ fn test_openpty_with_termios() {
 
 #[test]
 fn test_forkpty() {
-    use nix::unistd::ForkResult::*;
     use nix::sys::signal::*;
     use nix::sys::wait::wait;
+    use nix::unistd::ForkResult::*;
     // forkpty calls openpty which uses ptname(3) internally.
     let _m0 = crate::PTSNAME_MTX.lock();
     // forkpty spawns a child process
@@ -289,15 +291,15 @@ fn test_forkpty() {
 
     let string = "naninani\n";
     let echoed_string = "naninani\r\n";
-    let pty = unsafe {
-        forkpty(None, None).unwrap()
-    };
+    let pty = unsafe { forkpty(None, None).unwrap() };
     match pty.fork_result {
         Child => {
             write(STDOUT_FILENO, string.as_bytes()).unwrap();
-            pause();  // we need the child to stay alive until the parent calls read
-            unsafe { _exit(0); }
-        },
+            pause(); // we need the child to stay alive until the parent calls read
+            unsafe {
+                _exit(0);
+            }
+        }
         Parent { child } => {
             let mut buf = [0u8; 10];
             assert!(child.as_raw() > 0);
@@ -306,6 +308,6 @@ fn test_forkpty() {
             wait().unwrap(); // keep other tests using generic wait from getting our child
             assert_eq!(&buf, echoed_string.as_bytes());
             close(pty.master).unwrap();
-        },
+        }
     }
 }
diff --git a/bash-5.1/vendor/nix/test/test_ptymaster_drop.rs b/bash-5.1/vendor/nix/test/test_ptymaster_drop.rs
index a68f81ee1e24f59c387587c389d4a33245da34ca..ffbaa5697771ad20419a8e78f72c8546cc4e93df 100644
--- a/bash-5.1/vendor/nix/test/test_ptymaster_drop.rs
+++ b/bash-5.1/vendor/nix/test/test_ptymaster_drop.rs
@@ -15,6 +15,6 @@ mod t {
     fn test_double_close() {
         let m = posix_openpt(OFlag::O_RDWR).unwrap();
         close(m.as_raw_fd()).unwrap();
-        drop(m);            // should panic here
+        drop(m); // should panic here
     }
 }
diff --git a/bash-5.1/vendor/nix/test/test_resource.rs b/bash-5.1/vendor/nix/test/test_resource.rs
index c89d601e278970dca93a7851cfb8679f4d9ece59..2ab581ba2940326f6a37d8abcef2eb59cb173db7 100644
--- a/bash-5.1/vendor/nix/test/test_resource.rs
+++ b/bash-5.1/vendor/nix/test/test_resource.rs
@@ -1,4 +1,9 @@
-#[cfg(not(any(target_os = "redox", target_os = "fuchsia", target_os = "illumos")))]
+#[cfg(not(any(
+    target_os = "redox",
+    target_os = "fuchsia",
+    target_os = "illumos",
+    target_os = "haiku"
+)))]
 use nix::sys::resource::{getrlimit, setrlimit, Resource};
 
 /// Tests the RLIMIT_NOFILE functionality of getrlimit(), where the resource RLIMIT_NOFILE refers
@@ -10,9 +15,15 @@ use nix::sys::resource::{getrlimit, setrlimit, Resource};
 /// to put the new soft limit in effect, and then getrlimit() once more to ensure the limits have
 /// been updated.
 #[test]
-#[cfg(not(any(target_os = "redox", target_os = "fuchsia", target_os = "illumos")))]
+#[cfg(not(any(
+    target_os = "redox",
+    target_os = "fuchsia",
+    target_os = "illumos",
+    target_os = "haiku"
+)))]
 pub fn test_resource_limits_nofile() {
-    let (mut soft_limit, hard_limit) = getrlimit(Resource::RLIMIT_NOFILE).unwrap();
+    let (mut soft_limit, hard_limit) =
+        getrlimit(Resource::RLIMIT_NOFILE).unwrap();
 
     soft_limit -= 1;
     assert_ne!(soft_limit, hard_limit);
diff --git a/bash-5.1/vendor/nix/test/test_sched.rs b/bash-5.1/vendor/nix/test/test_sched.rs
index 922196a3dba73b96a97b32e9227f1103b3b6ed09..ebf346db16d2d3d382762fb4cf2edd0dbf6c87ef 100644
--- a/bash-5.1/vendor/nix/test/test_sched.rs
+++ b/bash-5.1/vendor/nix/test/test_sched.rs
@@ -24,7 +24,10 @@ fn test_sched_affinity() {
     let updated_affinity = sched_getaffinity(Pid::from_raw(0)).unwrap();
     for field in 0..CpuSet::count() {
         // Should be set only for the CPU we set previously
-        assert_eq!(updated_affinity.is_set(field).unwrap(), field==last_valid_cpu)
+        assert_eq!(
+            updated_affinity.is_set(field).unwrap(),
+            field == last_valid_cpu
+        )
     }
 
     // Finally, reset the initial CPU set
diff --git a/bash-5.1/vendor/nix/test/test_sendfile.rs b/bash-5.1/vendor/nix/test/test_sendfile.rs
index e56ff12faf7623990fd8c8ed0064e79900a42e9c..f73a3b56c38b5a93361a3f911a4f7967eb06afef 100644
--- a/bash-5.1/vendor/nix/test/test_sendfile.rs
+++ b/bash-5.1/vendor/nix/test/test_sendfile.rs
@@ -62,7 +62,8 @@ fn test_sendfile64_linux() {
 #[test]
 fn test_sendfile_freebsd() {
     // Declare the content
-    let header_strings = vec!["HTTP/1.1 200 OK\n", "Content-Type: text/plain\n", "\n"];
+    let header_strings =
+        vec!["HTTP/1.1 200 OK\n", "Content-Type: text/plain\n", "\n"];
     let body = "Xabcdef123456";
     let body_offset = 1;
     let trailer_strings = vec!["\n", "Served by Make Believe\n"];
@@ -72,8 +73,10 @@ fn test_sendfile_freebsd() {
     tmp.write_all(body.as_bytes()).unwrap();
 
     // Prepare headers and trailers for sendfile
-    let headers: Vec<&[u8]> = header_strings.iter().map(|s| s.as_bytes()).collect();
-    let trailers: Vec<&[u8]> = trailer_strings.iter().map(|s| s.as_bytes()).collect();
+    let headers: Vec<&[u8]> =
+        header_strings.iter().map(|s| s.as_bytes()).collect();
+    let trailers: Vec<&[u8]> =
+        trailer_strings.iter().map(|s| s.as_bytes()).collect();
 
     // Prepare socket pair
     let (mut rd, wr) = UnixStream::pair().unwrap();
@@ -93,8 +96,9 @@ fn test_sendfile_freebsd() {
     wr.shutdown(Shutdown::Both).unwrap();
 
     // Prepare the expected result
-    let expected_string =
-        header_strings.concat() + &body[body_offset..] + &trailer_strings.concat();
+    let expected_string = header_strings.concat()
+        + &body[body_offset..]
+        + &trailer_strings.concat();
 
     // Verify the message that was sent
     assert_eq!(bytes_written as usize, expected_string.as_bytes().len());
@@ -109,7 +113,8 @@ fn test_sendfile_freebsd() {
 #[test]
 fn test_sendfile_dragonfly() {
     // Declare the content
-    let header_strings = vec!["HTTP/1.1 200 OK\n", "Content-Type: text/plain\n", "\n"];
+    let header_strings =
+        vec!["HTTP/1.1 200 OK\n", "Content-Type: text/plain\n", "\n"];
     let body = "Xabcdef123456";
     let body_offset = 1;
     let trailer_strings = vec!["\n", "Served by Make Believe\n"];
@@ -119,8 +124,10 @@ fn test_sendfile_dragonfly() {
     tmp.write_all(body.as_bytes()).unwrap();
 
     // Prepare headers and trailers for sendfile
-    let headers: Vec<&[u8]> = header_strings.iter().map(|s| s.as_bytes()).collect();
-    let trailers: Vec<&[u8]> = trailer_strings.iter().map(|s| s.as_bytes()).collect();
+    let headers: Vec<&[u8]> =
+        header_strings.iter().map(|s| s.as_bytes()).collect();
+    let trailers: Vec<&[u8]> =
+        trailer_strings.iter().map(|s| s.as_bytes()).collect();
 
     // Prepare socket pair
     let (mut rd, wr) = UnixStream::pair().unwrap();
@@ -138,8 +145,9 @@ fn test_sendfile_dragonfly() {
     wr.shutdown(Shutdown::Both).unwrap();
 
     // Prepare the expected result
-    let expected_string =
-        header_strings.concat() + &body[body_offset..] + &trailer_strings.concat();
+    let expected_string = header_strings.concat()
+        + &body[body_offset..]
+        + &trailer_strings.concat();
 
     // Verify the message that was sent
     assert_eq!(bytes_written as usize, expected_string.as_bytes().len());
@@ -154,7 +162,8 @@ fn test_sendfile_dragonfly() {
 #[test]
 fn test_sendfile_darwin() {
     // Declare the content
-    let header_strings = vec!["HTTP/1.1 200 OK\n", "Content-Type: text/plain\n", "\n"];
+    let header_strings =
+        vec!["HTTP/1.1 200 OK\n", "Content-Type: text/plain\n", "\n"];
     let body = "Xabcdef123456";
     let body_offset = 1;
     let trailer_strings = vec!["\n", "Served by Make Believe\n"];
@@ -164,8 +173,10 @@ fn test_sendfile_darwin() {
     tmp.write_all(body.as_bytes()).unwrap();
 
     // Prepare headers and trailers for sendfile
-    let headers: Vec<&[u8]> = header_strings.iter().map(|s| s.as_bytes()).collect();
-    let trailers: Vec<&[u8]> = trailer_strings.iter().map(|s| s.as_bytes()).collect();
+    let headers: Vec<&[u8]> =
+        header_strings.iter().map(|s| s.as_bytes()).collect();
+    let trailers: Vec<&[u8]> =
+        trailer_strings.iter().map(|s| s.as_bytes()).collect();
 
     // Prepare socket pair
     let (mut rd, wr) = UnixStream::pair().unwrap();
@@ -183,8 +194,9 @@ fn test_sendfile_darwin() {
     wr.shutdown(Shutdown::Both).unwrap();
 
     // Prepare the expected result
-    let expected_string =
-        header_strings.concat() + &body[body_offset..] + &trailer_strings.concat();
+    let expected_string = header_strings.concat()
+        + &body[body_offset..]
+        + &trailer_strings.concat();
 
     // Verify the message that was sent
     assert_eq!(bytes_written as usize, expected_string.as_bytes().len());
diff --git a/bash-5.1/vendor/nix/test/test_stat.rs b/bash-5.1/vendor/nix/test/test_stat.rs
index 8baa6555b690b16b6db637ee5f1617f588271e71..55f15c0771d0f24114fe30c9feebc4d07271e066 100644
--- a/bash-5.1/vendor/nix/test/test_stat.rs
+++ b/bash-5.1/vendor/nix/test/test_stat.rs
@@ -1,42 +1,51 @@
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
 use std::fs;
 use std::fs::File;
 #[cfg(not(target_os = "redox"))]
-use std::os::unix::fs::{symlink, PermissionsExt};
+use std::os::unix::fs::symlink;
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
+use std::os::unix::fs::PermissionsExt;
 use std::os::unix::prelude::AsRawFd;
 #[cfg(not(target_os = "redox"))]
-use std::time::{Duration, UNIX_EPOCH};
-#[cfg(not(target_os = "redox"))]
 use std::path::Path;
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
+use std::time::{Duration, UNIX_EPOCH};
 
-#[cfg(not(any(target_os = "netbsd", target_os = "redox")))]
-use libc::{S_IFMT, S_IFLNK};
 use libc::mode_t;
+#[cfg(not(any(target_os = "netbsd", target_os = "redox")))]
+use libc::{S_IFLNK, S_IFMT};
 
-#[cfg(not(target_os = "redox"))]
-use nix::fcntl;
 #[cfg(not(target_os = "redox"))]
 use nix::errno::Errno;
 #[cfg(not(target_os = "redox"))]
-use nix::sys::stat::{self, futimens, utimes};
-use nix::sys::stat::{fchmod, stat};
-#[cfg(not(target_os = "redox"))]
-use nix::sys::stat::{fchmodat, utimensat, mkdirat};
-#[cfg(any(target_os = "linux",
-          target_os = "haiku",
-          target_os = "ios",
-          target_os = "macos",
-          target_os = "freebsd",
-          target_os = "netbsd"))]
+use nix::fcntl;
+#[cfg(any(
+    target_os = "linux",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "freebsd",
+    target_os = "netbsd"
+))]
 use nix::sys::stat::lutimes;
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
+use nix::sys::stat::utimensat;
 #[cfg(not(target_os = "redox"))]
-use nix::sys::stat::{FchmodatFlags, UtimensatFlags};
+use nix::sys::stat::FchmodatFlags;
 use nix::sys::stat::Mode;
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
+use nix::sys::stat::UtimensatFlags;
+#[cfg(not(target_os = "redox"))]
+use nix::sys::stat::{self};
+use nix::sys::stat::{fchmod, stat};
+#[cfg(not(target_os = "redox"))]
+use nix::sys::stat::{fchmodat, mkdirat};
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
+use nix::sys::stat::{futimens, utimes};
 
 #[cfg(not(any(target_os = "netbsd", target_os = "redox")))]
 use nix::sys::stat::FileStat;
 
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
 use nix::sys::time::{TimeSpec, TimeVal, TimeValLike};
 #[cfg(not(target_os = "redox"))]
 use nix::unistd::chdir;
@@ -47,32 +56,35 @@ use nix::Result;
 #[cfg(not(any(target_os = "netbsd", target_os = "redox")))]
 fn assert_stat_results(stat_result: Result<FileStat>) {
     let stats = stat_result.expect("stat call failed");
-    assert!(stats.st_dev > 0);      // must be positive integer, exact number machine dependent
-    assert!(stats.st_ino > 0);      // inode is positive integer, exact number machine dependent
-    assert!(stats.st_mode > 0);     // must be positive integer
-    assert_eq!(stats.st_nlink, 1);   // there links created, must be 1
-    assert_eq!(stats.st_size, 0);    // size is 0 because we did not write anything to the file
-    assert!(stats.st_blksize > 0);  // must be positive integer, exact number machine dependent
-    assert!(stats.st_blocks <= 16);  // Up to 16 blocks can be allocated for a blank file
+    assert!(stats.st_dev > 0); // must be positive integer, exact number machine dependent
+    assert!(stats.st_ino > 0); // inode is positive integer, exact number machine dependent
+    assert!(stats.st_mode > 0); // must be positive integer
+    assert_eq!(stats.st_nlink, 1); // there links created, must be 1
+    assert_eq!(stats.st_size, 0); // size is 0 because we did not write anything to the file
+    assert!(stats.st_blksize > 0); // must be positive integer, exact number machine dependent
+    assert!(stats.st_blocks <= 16); // Up to 16 blocks can be allocated for a blank file
 }
 
 #[cfg(not(any(target_os = "netbsd", target_os = "redox")))]
 // (Android's st_blocks is ulonglong which is always non-negative.)
 #[cfg_attr(target_os = "android", allow(unused_comparisons))]
-#[allow(clippy::absurd_extreme_comparisons)]    // Not absurd on all OSes
+#[allow(clippy::absurd_extreme_comparisons)] // Not absurd on all OSes
 fn assert_lstat_results(stat_result: Result<FileStat>) {
     let stats = stat_result.expect("stat call failed");
-    assert!(stats.st_dev > 0);      // must be positive integer, exact number machine dependent
-    assert!(stats.st_ino > 0);      // inode is positive integer, exact number machine dependent
-    assert!(stats.st_mode > 0);     // must be positive integer
+    assert!(stats.st_dev > 0); // must be positive integer, exact number machine dependent
+    assert!(stats.st_ino > 0); // inode is positive integer, exact number machine dependent
+    assert!(stats.st_mode > 0); // must be positive integer
 
     // st_mode is c_uint (u32 on Android) while S_IFMT is mode_t
     // (u16 on Android), and that will be a compile error.
     // On other platforms they are the same (either both are u16 or u32).
-    assert_eq!((stats.st_mode as usize) & (S_IFMT as usize), S_IFLNK as usize); // should be a link
-    assert_eq!(stats.st_nlink, 1);   // there links created, must be 1
-    assert!(stats.st_size > 0);    // size is > 0 because it points to another file
-    assert!(stats.st_blksize > 0);  // must be positive integer, exact number machine dependent
+    assert_eq!(
+        (stats.st_mode as usize) & (S_IFMT as usize),
+        S_IFLNK as usize
+    ); // should be a link
+    assert_eq!(stats.st_nlink, 1); // there links created, must be 1
+    assert!(stats.st_size > 0); // size is > 0 because it points to another file
+    assert!(stats.st_blksize > 0); // must be positive integer, exact number machine dependent
 
     // st_blocks depends on whether the machine's file system uses fast
     // or slow symlinks, so just make sure it's not negative
@@ -101,13 +113,11 @@ fn test_fstatat() {
     let tempdir = tempfile::tempdir().unwrap();
     let filename = tempdir.path().join("foo.txt");
     File::create(&filename).unwrap();
-    let dirfd = fcntl::open(tempdir.path(),
-                            fcntl::OFlag::empty(),
-                            stat::Mode::empty());
+    let dirfd =
+        fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty());
 
-    let result = stat::fstatat(dirfd.unwrap(),
-                               &filename,
-                               fcntl::AtFlags::empty());
+    let result =
+        stat::fstatat(dirfd.unwrap(), &filename, fcntl::AtFlags::empty());
     assert_stat_results(result);
 }
 
@@ -167,12 +177,15 @@ fn test_fchmodat() {
     let fullpath = tempdir.path().join(filename);
     File::create(&fullpath).unwrap();
 
-    let dirfd = fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty()).unwrap();
+    let dirfd =
+        fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty())
+            .unwrap();
 
     let mut mode1 = Mode::empty();
     mode1.insert(Mode::S_IRUSR);
     mode1.insert(Mode::S_IWUSR);
-    fchmodat(Some(dirfd), filename, mode1, FchmodatFlags::FollowSymlink).unwrap();
+    fchmodat(Some(dirfd), filename, mode1, FchmodatFlags::FollowSymlink)
+        .unwrap();
 
     let file_stat1 = stat(&fullpath).unwrap();
     assert_eq!(file_stat1.st_mode as mode_t & 0o7777, mode1.bits());
@@ -191,34 +204,42 @@ fn test_fchmodat() {
 ///
 /// The atime and mtime are expressed with a resolution of seconds because some file systems
 /// (like macOS's HFS+) do not have higher granularity.
-#[cfg(not(target_os = "redox"))]
-fn assert_times_eq(exp_atime_sec: u64, exp_mtime_sec: u64, attr: &fs::Metadata) {
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
+fn assert_times_eq(
+    exp_atime_sec: u64,
+    exp_mtime_sec: u64,
+    attr: &fs::Metadata,
+) {
     assert_eq!(
         Duration::new(exp_atime_sec, 0),
-        attr.accessed().unwrap().duration_since(UNIX_EPOCH).unwrap());
+        attr.accessed().unwrap().duration_since(UNIX_EPOCH).unwrap()
+    );
     assert_eq!(
         Duration::new(exp_mtime_sec, 0),
-        attr.modified().unwrap().duration_since(UNIX_EPOCH).unwrap());
+        attr.modified().unwrap().duration_since(UNIX_EPOCH).unwrap()
+    );
 }
 
 #[test]
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
 fn test_utimes() {
     let tempdir = tempfile::tempdir().unwrap();
     let fullpath = tempdir.path().join("file");
     drop(File::create(&fullpath).unwrap());
 
-    utimes(&fullpath, &TimeVal::seconds(9990), &TimeVal::seconds(5550)).unwrap();
+    utimes(&fullpath, &TimeVal::seconds(9990), &TimeVal::seconds(5550))
+        .unwrap();
     assert_times_eq(9990, 5550, &fs::metadata(&fullpath).unwrap());
 }
 
 #[test]
-#[cfg(any(target_os = "linux",
-          target_os = "haiku",
-          target_os = "ios",
-          target_os = "macos",
-          target_os = "freebsd",
-          target_os = "netbsd"))]
+#[cfg(any(
+    target_os = "linux",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "freebsd",
+    target_os = "netbsd"
+))]
 fn test_lutimes() {
     let tempdir = tempfile::tempdir().unwrap();
     let target = tempdir.path().join("target");
@@ -227,31 +248,39 @@ fn test_lutimes() {
     symlink(&target, &fullpath).unwrap();
 
     let exp_target_metadata = fs::symlink_metadata(&target).unwrap();
-    lutimes(&fullpath, &TimeVal::seconds(4560), &TimeVal::seconds(1230)).unwrap();
+    lutimes(&fullpath, &TimeVal::seconds(4560), &TimeVal::seconds(1230))
+        .unwrap();
     assert_times_eq(4560, 1230, &fs::symlink_metadata(&fullpath).unwrap());
 
     let target_metadata = fs::symlink_metadata(&target).unwrap();
-    assert_eq!(exp_target_metadata.accessed().unwrap(), target_metadata.accessed().unwrap(),
-               "atime of symlink target was unexpectedly modified");
-    assert_eq!(exp_target_metadata.modified().unwrap(), target_metadata.modified().unwrap(),
-               "mtime of symlink target was unexpectedly modified");
+    assert_eq!(
+        exp_target_metadata.accessed().unwrap(),
+        target_metadata.accessed().unwrap(),
+        "atime of symlink target was unexpectedly modified"
+    );
+    assert_eq!(
+        exp_target_metadata.modified().unwrap(),
+        target_metadata.modified().unwrap(),
+        "mtime of symlink target was unexpectedly modified"
+    );
 }
 
 #[test]
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
 fn test_futimens() {
     let tempdir = tempfile::tempdir().unwrap();
     let fullpath = tempdir.path().join("file");
     drop(File::create(&fullpath).unwrap());
 
-    let fd = fcntl::open(&fullpath, fcntl::OFlag::empty(), stat::Mode::empty()).unwrap();
+    let fd = fcntl::open(&fullpath, fcntl::OFlag::empty(), stat::Mode::empty())
+        .unwrap();
 
     futimens(fd, &TimeSpec::seconds(10), &TimeSpec::seconds(20)).unwrap();
     assert_times_eq(10, 20, &fs::metadata(&fullpath).unwrap());
 }
 
 #[test]
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
 fn test_utimensat() {
     let _dr = crate::DirRestore::new();
     let tempdir = tempfile::tempdir().unwrap();
@@ -259,16 +288,30 @@ fn test_utimensat() {
     let fullpath = tempdir.path().join(filename);
     drop(File::create(&fullpath).unwrap());
 
-    let dirfd = fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty()).unwrap();
+    let dirfd =
+        fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty())
+            .unwrap();
 
-    utimensat(Some(dirfd), filename, &TimeSpec::seconds(12345), &TimeSpec::seconds(678),
-              UtimensatFlags::FollowSymlink).unwrap();
+    utimensat(
+        Some(dirfd),
+        filename,
+        &TimeSpec::seconds(12345),
+        &TimeSpec::seconds(678),
+        UtimensatFlags::FollowSymlink,
+    )
+    .unwrap();
     assert_times_eq(12345, 678, &fs::metadata(&fullpath).unwrap());
 
     chdir(tempdir.path()).unwrap();
 
-    utimensat(None, filename, &TimeSpec::seconds(500), &TimeSpec::seconds(800),
-              UtimensatFlags::FollowSymlink).unwrap();
+    utimensat(
+        None,
+        filename,
+        &TimeSpec::seconds(500),
+        &TimeSpec::seconds(800),
+        UtimensatFlags::FollowSymlink,
+    )
+    .unwrap();
     assert_times_eq(500, 800, &fs::metadata(&fullpath).unwrap());
 }
 
@@ -277,20 +320,27 @@ fn test_utimensat() {
 fn test_mkdirat_success_path() {
     let tempdir = tempfile::tempdir().unwrap();
     let filename = "example_subdir";
-    let dirfd = fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty()).unwrap();
-    assert!((mkdirat(dirfd, filename, Mode::S_IRWXU)).is_ok());
+    let dirfd =
+        fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty())
+            .unwrap();
+    mkdirat(dirfd, filename, Mode::S_IRWXU).expect("mkdirat failed");
     assert!(Path::exists(&tempdir.path().join(filename)));
 }
 
 #[test]
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
 fn test_mkdirat_success_mode() {
-    let expected_bits = stat::SFlag::S_IFDIR.bits() | stat::Mode::S_IRWXU.bits();
+    let expected_bits =
+        stat::SFlag::S_IFDIR.bits() | stat::Mode::S_IRWXU.bits();
     let tempdir = tempfile::tempdir().unwrap();
     let filename = "example_subdir";
-    let dirfd = fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty()).unwrap();
-    assert!((mkdirat(dirfd, filename, Mode::S_IRWXU)).is_ok());
-    let permissions = fs::metadata(tempdir.path().join(filename)).unwrap().permissions();
+    let dirfd =
+        fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty())
+            .unwrap();
+    mkdirat(dirfd, filename, Mode::S_IRWXU).expect("mkdirat failed");
+    let permissions = fs::metadata(tempdir.path().join(filename))
+        .unwrap()
+        .permissions();
     let mode = permissions.mode();
     assert_eq!(mode as mode_t, expected_bits)
 }
@@ -299,20 +349,27 @@ fn test_mkdirat_success_mode() {
 #[cfg(not(target_os = "redox"))]
 fn test_mkdirat_fail() {
     let tempdir = tempfile::tempdir().unwrap();
-    let not_dir_filename= "example_not_dir";
+    let not_dir_filename = "example_not_dir";
     let filename = "example_subdir_dir";
-    let dirfd = fcntl::open(&tempdir.path().join(not_dir_filename), fcntl::OFlag::O_CREAT,
-                            stat::Mode::empty()).unwrap();
+    let dirfd = fcntl::open(
+        &tempdir.path().join(not_dir_filename),
+        fcntl::OFlag::O_CREAT,
+        stat::Mode::empty(),
+    )
+    .unwrap();
     let result = mkdirat(dirfd, filename, Mode::S_IRWXU).unwrap_err();
     assert_eq!(result, Errno::ENOTDIR);
 }
 
 #[test]
-#[cfg(not(any(target_os = "dragonfly",
-              target_os = "freebsd",
-              target_os = "ios",
-              target_os = "macos",
-              target_os = "redox")))]
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "haiku",
+    target_os = "redox"
+)))]
 fn test_mknod() {
     use stat::{lstat, mknod, SFlag};
 
@@ -321,17 +378,20 @@ fn test_mknod() {
     let target = tempdir.path().join(file_name);
     mknod(&target, SFlag::S_IFREG, Mode::S_IRWXU, 0).unwrap();
     let mode = lstat(&target).unwrap().st_mode as mode_t;
-    assert!(mode & libc::S_IFREG == libc::S_IFREG);
-    assert!(mode & libc::S_IRWXU == libc::S_IRWXU);
+    assert_eq!(mode & libc::S_IFREG, libc::S_IFREG);
+    assert_eq!(mode & libc::S_IRWXU, libc::S_IRWXU);
 }
 
 #[test]
-#[cfg(not(any(target_os = "dragonfly",
-              target_os = "freebsd",
-              target_os = "illumos",
-              target_os = "ios",
-              target_os = "macos",
-              target_os = "redox")))]
+#[cfg(not(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "illumos",
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "haiku",
+    target_os = "redox"
+)))]
 fn test_mknodat() {
     use fcntl::{AtFlags, OFlag};
     use nix::dir::Dir;
@@ -339,7 +399,8 @@ fn test_mknodat() {
 
     let file_name = "test_file";
     let tempdir = tempfile::tempdir().unwrap();
-    let target_dir = Dir::open(tempdir.path(), OFlag::O_DIRECTORY, Mode::S_IRWXU).unwrap();
+    let target_dir =
+        Dir::open(tempdir.path(), OFlag::O_DIRECTORY, Mode::S_IRWXU).unwrap();
     mknodat(
         target_dir.as_raw_fd(),
         file_name,
@@ -355,6 +416,6 @@ fn test_mknodat() {
     )
     .unwrap()
     .st_mode as mode_t;
-    assert!(mode & libc::S_IFREG == libc::S_IFREG);
-    assert!(mode & libc::S_IRWXU == libc::S_IRWXU);
+    assert_eq!(mode & libc::S_IFREG, libc::S_IFREG);
+    assert_eq!(mode & libc::S_IRWXU, libc::S_IRWXU);
 }
diff --git a/bash-5.1/vendor/nix/test/test_time.rs b/bash-5.1/vendor/nix/test/test_time.rs
index dc307e57b3abf44eef794a6224aeceb19c81ca92..5f76e61a2da55169bf718c7ca3ac6cb0b32c04cf 100644
--- a/bash-5.1/vendor/nix/test/test_time.rs
+++ b/bash-5.1/vendor/nix/test/test_time.rs
@@ -11,12 +11,12 @@ use nix::time::{clock_gettime, ClockId};
 #[cfg(not(target_os = "redox"))]
 #[test]
 pub fn test_clock_getres() {
-    assert!(nix::time::clock_getres(ClockId::CLOCK_REALTIME).is_ok());
+    nix::time::clock_getres(ClockId::CLOCK_REALTIME).expect("assertion failed");
 }
 
 #[test]
 pub fn test_clock_gettime() {
-    assert!(clock_gettime(ClockId::CLOCK_REALTIME).is_ok());
+    clock_gettime(ClockId::CLOCK_REALTIME).expect("assertion failed");
 }
 
 #[cfg(any(
@@ -29,18 +29,18 @@ pub fn test_clock_gettime() {
 #[test]
 pub fn test_clock_getcpuclockid() {
     let clock_id = clock_getcpuclockid(nix::unistd::Pid::this()).unwrap();
-    assert!(clock_gettime(clock_id).is_ok());
+    clock_gettime(clock_id).unwrap();
 }
 
 #[cfg(not(target_os = "redox"))]
 #[test]
 pub fn test_clock_id_res() {
-    assert!(ClockId::CLOCK_REALTIME.res().is_ok());
+    ClockId::CLOCK_REALTIME.res().unwrap();
 }
 
 #[test]
 pub fn test_clock_id_now() {
-    assert!(ClockId::CLOCK_REALTIME.now().is_ok());
+    ClockId::CLOCK_REALTIME.now().unwrap();
 }
 
 #[cfg(any(
@@ -52,7 +52,8 @@ pub fn test_clock_id_now() {
 ))]
 #[test]
 pub fn test_clock_id_pid_cpu_clock_id() {
-    assert!(ClockId::pid_cpu_clock_id(nix::unistd::Pid::this())
+    ClockId::pid_cpu_clock_id(nix::unistd::Pid::this())
         .map(ClockId::now)
-        .is_ok());
+        .unwrap()
+        .unwrap();
 }
diff --git a/bash-5.1/vendor/nix/test/test_timer.rs b/bash-5.1/vendor/nix/test/test_timer.rs
index d07d9633d0ab391bfb5b6428abec8cf7f0486c44..ffd146867bd1d119c32918830c5d9a2995b8e8aa 100644
--- a/bash-5.1/vendor/nix/test/test_timer.rs
+++ b/bash-5.1/vendor/nix/test/test_timer.rs
@@ -1,5 +1,6 @@
 use nix::sys::signal::{
-    sigaction, SaFlags, SigAction, SigEvent, SigHandler, SigSet, SigevNotify, Signal,
+    sigaction, SaFlags, SigAction, SigEvent, SigHandler, SigSet, SigevNotify,
+    Signal,
 };
 use nix::sys::timer::{Expiration, Timer, TimerSetTimeFlags};
 use nix::time::ClockId;
@@ -32,9 +33,12 @@ fn alarm_fires() {
     // Create a handler for the test signal, `SIG`. The handler is responsible
     // for flipping `ALARM_CALLED`.
     let handler = SigHandler::Handler(handle_sigalarm);
-    let signal_action = SigAction::new(handler, SaFlags::SA_RESTART, SigSet::empty());
-    let old_handler =
-        unsafe { sigaction(SIG, &signal_action).expect("unable to set signal handler for alarm") };
+    let signal_action =
+        SigAction::new(handler, SaFlags::SA_RESTART, SigSet::empty());
+    let old_handler = unsafe {
+        sigaction(SIG, &signal_action)
+            .expect("unable to set signal handler for alarm")
+    };
 
     // Create the timer. We use the monotonic clock here, though any would do
     // really. The timer is set to fire every 250 milliseconds with no delay for
@@ -44,7 +48,8 @@ fn alarm_fires() {
         signal: SIG,
         si_value: 0,
     });
-    let mut timer = Timer::new(clockid, sigevent).expect("failed to create timer");
+    let mut timer =
+        Timer::new(clockid, sigevent).expect("failed to create timer");
     let expiration = Expiration::Interval(TIMER_PERIOD.into());
     let flags = TimerSetTimeFlags::empty();
     timer.set(expiration, flags).expect("could not set timer");
@@ -60,12 +65,10 @@ fn alarm_fires() {
     // represents a delay to the next expiration. We're only interested in the
     // timer still being extant.
     match timer.get() {
-        Ok(Some(exp)) => {
-            assert!(matches!(
-                exp,
-                Expiration::Interval(..) | Expiration::IntervalDelayed(..)
-            ))
-        }
+        Ok(Some(exp)) => assert!(matches!(
+            exp,
+            Expiration::Interval(..) | Expiration::IntervalDelayed(..)
+        )),
         _ => panic!("timer lost its expiration"),
     }
 
diff --git a/bash-5.1/vendor/nix/test/test_unistd.rs b/bash-5.1/vendor/nix/test/test_unistd.rs
index 0f56b929d30eb36ac3a00dad802a187689b23f9f..eee10103ad6b0808298a899892cebecf6932c70a 100644
--- a/bash-5.1/vendor/nix/test/test_unistd.rs
+++ b/bash-5.1/vendor/nix/test/test_unistd.rs
@@ -1,15 +1,24 @@
-#[cfg(not(target_os = "redox"))]
-use nix::fcntl::{self, open, readlink};
+use libc::{_exit, mode_t, off_t};
+use nix::errno::Errno;
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
+use nix::fcntl::readlink;
 use nix::fcntl::OFlag;
-use nix::unistd::*;
-use nix::unistd::ForkResult::*;
 #[cfg(not(target_os = "redox"))]
-use nix::sys::signal::{SaFlags, SigAction, SigHandler, SigSet, Signal, sigaction};
-use nix::sys::wait::*;
+use nix::fcntl::{self, open};
+#[cfg(not(any(
+    target_os = "redox",
+    target_os = "fuchsia",
+    target_os = "haiku"
+)))]
+use nix::pty::{grantpt, posix_openpt, ptsname, unlockpt};
+#[cfg(not(target_os = "redox"))]
+use nix::sys::signal::{
+    sigaction, SaFlags, SigAction, SigHandler, SigSet, Signal,
+};
 use nix::sys::stat::{self, Mode, SFlag};
-#[cfg(not(any(target_os = "redox", target_os = "fuchsia")))]
-use nix::pty::{posix_openpt, grantpt, unlockpt, ptsname};
-use nix::errno::Errno;
+use nix::sys::wait::*;
+use nix::unistd::ForkResult::*;
+use nix::unistd::*;
 use std::env;
 #[cfg(not(any(target_os = "fuchsia", target_os = "redox")))]
 use std::ffi::CString;
@@ -18,10 +27,13 @@ use std::fs::DirBuilder;
 use std::fs::{self, File};
 use std::io::Write;
 use std::os::unix::prelude::*;
-#[cfg(not(any(target_os = "fuchsia", target_os = "redox")))]
+#[cfg(not(any(
+    target_os = "fuchsia",
+    target_os = "redox",
+    target_os = "haiku"
+)))]
 use std::path::Path;
 use tempfile::{tempdir, tempfile};
-use libc::{_exit, mode_t, off_t};
 
 use crate::*;
 
@@ -31,7 +43,7 @@ fn test_fork_and_waitpid() {
     let _m = crate::FORK_MTX.lock();
 
     // Safe: Child only calls `_exit`, which is signal-safe
-    match unsafe{fork()}.expect("Error: Fork Failed") {
+    match unsafe { fork() }.expect("Error: Fork Failed") {
         Child => unsafe { _exit(0) },
         Parent { child } => {
             // assert that child was created and pid > 0
@@ -40,16 +52,17 @@ fn test_fork_and_waitpid() {
             let wait_status = waitpid(child, None);
             match wait_status {
                 // assert that waitpid returned correct status and the pid is the one of the child
-                Ok(WaitStatus::Exited(pid_t, _)) =>  assert_eq!(pid_t, child),
+                Ok(WaitStatus::Exited(pid_t, _)) => assert_eq!(pid_t, child),
 
                 // panic, must never happen
-                s @ Ok(_) => panic!("Child exited {:?}, should never happen", s),
+                s @ Ok(_) => {
+                    panic!("Child exited {:?}, should never happen", s)
+                }
 
                 // panic, waitpid should never fail
-                Err(s) => panic!("Error: waitpid returned Err({:?}", s)
+                Err(s) => panic!("Error: waitpid returned Err({:?}", s),
             }
-
-        },
+        }
     }
 }
 
@@ -59,14 +72,14 @@ fn test_wait() {
     let _m = crate::FORK_MTX.lock();
 
     // Safe: Child only calls `_exit`, which is signal-safe
-    match unsafe{fork()}.expect("Error: Fork Failed") {
+    match unsafe { fork() }.expect("Error: Fork Failed") {
         Child => unsafe { _exit(0) },
         Parent { child } => {
             let wait_status = wait();
 
             // just assert that (any) one child returns with WaitStatus::Exited
             assert_eq!(wait_status, Ok(WaitStatus::Exited(child, 0)));
-        },
+        }
     }
 }
 
@@ -80,15 +93,15 @@ fn test_mkstemp() {
         Ok((fd, path)) => {
             close(fd).unwrap();
             unlink(path.as_path()).unwrap();
-        },
-        Err(e) => panic!("mkstemp failed: {}", e)
+        }
+        Err(e) => panic!("mkstemp failed: {}", e),
     }
 }
 
 #[test]
 fn test_mkstemp_directory() {
     // mkstemp should fail if a directory is given
-    assert!(mkstemp(&env::temp_dir()).is_err());
+    mkstemp(&env::temp_dir()).expect_err("assertion failed");
 }
 
 #[test]
@@ -101,20 +114,24 @@ fn test_mkfifo() {
 
     let stats = stat::stat(&mkfifo_fifo).unwrap();
     let typ = stat::SFlag::from_bits_truncate(stats.st_mode as mode_t);
-    assert!(typ == SFlag::S_IFIFO);
+    assert_eq!(typ, SFlag::S_IFIFO);
 }
 
 #[test]
 #[cfg(not(target_os = "redox"))]
 fn test_mkfifo_directory() {
     // mkfifo should fail if a directory is given
-    assert!(mkfifo(&env::temp_dir(), Mode::S_IRUSR).is_err());
+    mkfifo(&env::temp_dir(), Mode::S_IRUSR).expect_err("assertion failed");
 }
 
 #[test]
 #[cfg(not(any(
-    target_os = "macos", target_os = "ios",
-    target_os = "android", target_os = "redox")))]
+    target_os = "macos",
+    target_os = "ios",
+    target_os = "android",
+    target_os = "redox",
+    target_os = "haiku"
+)))]
 fn test_mkfifoat_none() {
     let _m = crate::CWD_LOCK.read();
 
@@ -130,8 +147,12 @@ fn test_mkfifoat_none() {
 
 #[test]
 #[cfg(not(any(
-    target_os = "macos", target_os = "ios",
-    target_os = "android", target_os = "redox")))]
+    target_os = "macos",
+    target_os = "ios",
+    target_os = "android",
+    target_os = "redox",
+    target_os = "haiku"
+)))]
 fn test_mkfifoat() {
     use nix::fcntl;
 
@@ -141,26 +162,36 @@ fn test_mkfifoat() {
 
     mkfifoat(Some(dirfd), mkfifoat_name, Mode::S_IRUSR).unwrap();
 
-    let stats = stat::fstatat(dirfd, mkfifoat_name, fcntl::AtFlags::empty()).unwrap();
+    let stats =
+        stat::fstatat(dirfd, mkfifoat_name, fcntl::AtFlags::empty()).unwrap();
     let typ = stat::SFlag::from_bits_truncate(stats.st_mode);
     assert_eq!(typ, SFlag::S_IFIFO);
 }
 
 #[test]
 #[cfg(not(any(
-    target_os = "macos", target_os = "ios",
-    target_os = "android", target_os = "redox")))]
+    target_os = "macos",
+    target_os = "ios",
+    target_os = "android",
+    target_os = "redox",
+    target_os = "haiku"
+)))]
 fn test_mkfifoat_directory_none() {
     let _m = crate::CWD_LOCK.read();
 
     // mkfifoat should fail if a directory is given
-    assert!(mkfifoat(None, &env::temp_dir(), Mode::S_IRUSR).is_err());
+    mkfifoat(None, &env::temp_dir(), Mode::S_IRUSR)
+        .expect_err("assertion failed");
 }
 
 #[test]
 #[cfg(not(any(
-    target_os = "macos", target_os = "ios",
-    target_os = "android", target_os = "redox")))]
+    target_os = "macos",
+    target_os = "ios",
+    target_os = "android",
+    target_os = "redox",
+    target_os = "haiku"
+)))]
 fn test_mkfifoat_directory() {
     // mkfifoat should fail if a directory is given
     let tempdir = tempdir().unwrap();
@@ -168,7 +199,8 @@ fn test_mkfifoat_directory() {
     let mkfifoat_dir = "mkfifoat_dir";
     stat::mkdirat(dirfd, mkfifoat_dir, Mode::S_IRUSR).unwrap();
 
-    assert!(mkfifoat(Some(dirfd), mkfifoat_dir, Mode::S_IRUSR).is_err());
+    mkfifoat(Some(dirfd), mkfifoat_dir, Mode::S_IRUSR)
+        .expect_err("assertion failed");
 }
 
 #[test]
@@ -201,7 +233,13 @@ mod linux_android {
 
 #[test]
 // `getgroups()` and `setgroups()` do not behave as expected on Apple platforms
-#[cfg(not(any(target_os = "ios", target_os = "macos", target_os = "redox", target_os = "fuchsia")))]
+#[cfg(not(any(
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "redox",
+    target_os = "fuchsia",
+    target_os = "haiku"
+)))]
 fn test_setgroups() {
     // Skip this test when not run as root as `setgroups()` requires root.
     skip_if_not_root!("test_setgroups");
@@ -224,11 +262,14 @@ fn test_setgroups() {
 
 #[test]
 // `getgroups()` and `setgroups()` do not behave as expected on Apple platforms
-#[cfg(not(any(target_os = "ios",
-              target_os = "macos",
-              target_os = "redox",
-              target_os = "fuchsia",
-              target_os = "illumos")))]
+#[cfg(not(any(
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "redox",
+    target_os = "fuchsia",
+    target_os = "haiku",
+    target_os = "illumos"
+)))]
 fn test_initgroups() {
     // Skip this test when not run as root as `initgroups()` and `setgroups()`
     // require root.
@@ -259,7 +300,7 @@ fn test_initgroups() {
 }
 
 #[cfg(not(any(target_os = "fuchsia", target_os = "redox")))]
-macro_rules! execve_test_factory(
+macro_rules! execve_test_factory (
     ($test_name:ident, $syscall:ident, $exe: expr $(, $pathname:expr, $flags:expr)*) => (
 
     #[cfg(test)]
@@ -359,7 +400,7 @@ macro_rules! execve_test_factory(
     )
 );
 
-cfg_if!{
+cfg_if! {
     if #[cfg(target_os = "android")] {
         execve_test_factory!(test_execve, execve, CString::new("/system/bin/sh").unwrap().as_c_str());
         execve_test_factory!(test_fexecve, fexecve, File::open("/system/bin/sh").unwrap().into_raw_fd());
@@ -384,7 +425,7 @@ cfg_if!{
 #[cfg(any(target_os = "haiku", target_os = "linux", target_os = "openbsd"))]
 execve_test_factory!(test_execvpe, execvpe, &CString::new("sh").unwrap());
 
-cfg_if!{
+cfg_if! {
     if #[cfg(target_os = "android")] {
         use nix::fcntl::AtFlags;
         execve_test_factory!(test_execveat_empty, execveat,
@@ -417,10 +458,10 @@ fn test_fchdir() {
     let tmpdir_path = tmpdir.path().canonicalize().unwrap();
     let tmpdir_fd = File::open(&tmpdir_path).unwrap().into_raw_fd();
 
-    assert!(fchdir(tmpdir_fd).is_ok());
+    fchdir(tmpdir_fd).expect("assertion failed");
     assert_eq!(getcwd().unwrap(), tmpdir_path);
 
-    assert!(close(tmpdir_fd).is_ok());
+    close(tmpdir_fd).expect("assertion failed");
 }
 
 #[test]
@@ -430,7 +471,7 @@ fn test_getcwd() {
 
     let tmpdir = tempdir().unwrap();
     let tmpdir_path = tmpdir.path().canonicalize().unwrap();
-    assert!(chdir(&tmpdir_path).is_ok());
+    chdir(&tmpdir_path).expect("assertion failed");
     assert_eq!(getcwd().unwrap(), tmpdir_path);
 
     // make path 500 chars longer so that buffer doubling in getcwd
@@ -441,9 +482,10 @@ fn test_getcwd() {
     for _ in 0..5 {
         let newdir = "a".repeat(100);
         inner_tmp_dir.push(newdir);
-        assert!(mkdir(inner_tmp_dir.as_path(), Mode::S_IRWXU).is_ok());
+        mkdir(inner_tmp_dir.as_path(), Mode::S_IRWXU)
+            .expect("assertion failed");
     }
-    assert!(chdir(inner_tmp_dir.as_path()).is_ok());
+    chdir(inner_tmp_dir.as_path()).expect("assertion failed");
     assert_eq!(getcwd().unwrap(), inner_tmp_dir.as_path());
 }
 
@@ -498,7 +540,8 @@ fn test_fchownat() {
 
     let dirfd = open(tempdir.path(), OFlag::empty(), Mode::empty()).unwrap();
 
-    fchownat(Some(dirfd), "file", uid, gid, FchownatFlags::FollowSymlink).unwrap();
+    fchownat(Some(dirfd), "file", uid, gid, FchownatFlags::FollowSymlink)
+        .unwrap();
 
     chdir(tempdir.path()).unwrap();
     fchownat(None, "file", uid, gid, FchownatFlags::FollowSymlink).unwrap();
@@ -541,7 +584,7 @@ fn test_lseek64() {
     close(tmpfd).unwrap();
 }
 
-cfg_if!{
+cfg_if! {
     if #[cfg(any(target_os = "android", target_os = "linux"))] {
         macro_rules! require_acct{
             () => {
@@ -555,7 +598,7 @@ cfg_if!{
                 skip_if_jailed!("test_acct");
             }
         }
-    } else if #[cfg(not(any(target_os = "redox", target_os = "fuchsia")))] {
+    } else if #[cfg(not(any(target_os = "redox", target_os = "fuchsia", target_os = "haiku")))] {
         macro_rules! require_acct{
             () => {
                 skip_if_not_root!("test_acct");
@@ -565,11 +608,15 @@ cfg_if!{
 }
 
 #[test]
-#[cfg(not(any(target_os = "redox", target_os = "fuchsia")))]
+#[cfg(not(any(
+    target_os = "redox",
+    target_os = "fuchsia",
+    target_os = "haiku"
+)))]
 fn test_acct() {
-    use tempfile::NamedTempFile;
     use std::process::Command;
     use std::{thread, time};
+    use tempfile::NamedTempFile;
 
     let _m = crate::FORK_MTX.lock();
     require_acct!();
@@ -580,9 +627,11 @@ fn test_acct() {
     acct::enable(path).unwrap();
 
     loop {
-        Command::new("echo").arg("Hello world");
+        Command::new("echo").arg("Hello world").output().unwrap();
         let len = fs::metadata(path).unwrap().len();
-        if len > 0 { break; }
+        if len > 0 {
+            break;
+        }
         thread::sleep(time::Duration::from_millis(10));
     }
     acct::disable().unwrap();
@@ -593,21 +642,36 @@ fn test_fpathconf_limited() {
     let f = tempfile().unwrap();
     // AFAIK, PATH_MAX is limited on all platforms, so it makes a good test
     let path_max = fpathconf(f.as_raw_fd(), PathconfVar::PATH_MAX);
-    assert!(path_max.expect("fpathconf failed").expect("PATH_MAX is unlimited") > 0);
+    assert!(
+        path_max
+            .expect("fpathconf failed")
+            .expect("PATH_MAX is unlimited")
+            > 0
+    );
 }
 
 #[test]
 fn test_pathconf_limited() {
     // AFAIK, PATH_MAX is limited on all platforms, so it makes a good test
     let path_max = pathconf("/", PathconfVar::PATH_MAX);
-    assert!(path_max.expect("pathconf failed").expect("PATH_MAX is unlimited") > 0);
+    assert!(
+        path_max
+            .expect("pathconf failed")
+            .expect("PATH_MAX is unlimited")
+            > 0
+    );
 }
 
 #[test]
 fn test_sysconf_limited() {
     // AFAIK, OPEN_MAX is limited on all platforms, so it makes a good test
     let open_max = sysconf(SysconfVar::OPEN_MAX);
-    assert!(open_max.expect("sysconf failed").expect("OPEN_MAX is unlimited") > 0);
+    assert!(
+        open_max
+            .expect("sysconf failed")
+            .expect("OPEN_MAX is unlimited")
+            > 0
+    );
 }
 
 #[cfg(target_os = "freebsd")]
@@ -620,31 +684,34 @@ fn test_sysconf_unsupported() {
     assert!(open_max.expect("sysconf failed").is_none())
 }
 
-
-#[cfg(any(target_os = "android",
-          target_os = "dragonfly",
-          target_os = "freebsd",
-          target_os = "linux",
-          target_os = "openbsd"))]
+#[cfg(any(
+    target_os = "android",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "linux",
+    target_os = "openbsd"
+))]
 #[test]
 fn test_getresuid() {
     let resuids = getresuid().unwrap();
-    assert!(resuids.real.as_raw() != libc::uid_t::max_value());
-    assert!(resuids.effective.as_raw() != libc::uid_t::max_value());
-    assert!(resuids.saved.as_raw() != libc::uid_t::max_value());
+    assert_ne!(resuids.real.as_raw(), libc::uid_t::MAX);
+    assert_ne!(resuids.effective.as_raw(), libc::uid_t::MAX);
+    assert_ne!(resuids.saved.as_raw(), libc::uid_t::MAX);
 }
 
-#[cfg(any(target_os = "android",
-          target_os = "dragonfly",
-          target_os = "freebsd",
-          target_os = "linux",
-          target_os = "openbsd"))]
+#[cfg(any(
+    target_os = "android",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "linux",
+    target_os = "openbsd"
+))]
 #[test]
 fn test_getresgid() {
     let resgids = getresgid().unwrap();
-    assert!(resgids.real.as_raw() != libc::gid_t::max_value());
-    assert!(resgids.effective.as_raw() != libc::gid_t::max_value());
-    assert!(resgids.saved.as_raw() != libc::gid_t::max_value());
+    assert_ne!(resgids.real.as_raw(), libc::gid_t::MAX);
+    assert_ne!(resgids.effective.as_raw(), libc::gid_t::MAX);
+    assert_ne!(resgids.saved.as_raw(), libc::gid_t::MAX);
 }
 
 // Test that we can create a pair of pipes.  No need to verify that they pass
@@ -652,25 +719,31 @@ fn test_getresgid() {
 #[test]
 fn test_pipe() {
     let (fd0, fd1) = pipe().unwrap();
-    let m0 = stat::SFlag::from_bits_truncate(stat::fstat(fd0).unwrap().st_mode as mode_t);
+    let m0 = stat::SFlag::from_bits_truncate(
+        stat::fstat(fd0).unwrap().st_mode as mode_t,
+    );
     // S_IFIFO means it's a pipe
     assert_eq!(m0, SFlag::S_IFIFO);
-    let m1 = stat::SFlag::from_bits_truncate(stat::fstat(fd1).unwrap().st_mode as mode_t);
+    let m1 = stat::SFlag::from_bits_truncate(
+        stat::fstat(fd1).unwrap().st_mode as mode_t,
+    );
     assert_eq!(m1, SFlag::S_IFIFO);
 }
 
 // pipe2(2) is the same as pipe(2), except it allows setting some flags.  Check
 // that we can set a flag.
-#[cfg(any(target_os = "android",
-          target_os = "dragonfly",
-          target_os = "emscripten",
-          target_os = "freebsd",
-          target_os = "illumos",
-          target_os = "linux",
-          target_os = "netbsd",
-          target_os = "openbsd",
-          target_os = "redox",
-          target_os = "solaris"))]
+#[cfg(any(
+    target_os = "android",
+    target_os = "dragonfly",
+    target_os = "emscripten",
+    target_os = "freebsd",
+    target_os = "illumos",
+    target_os = "linux",
+    target_os = "netbsd",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "solaris"
+))]
 #[test]
 fn test_pipe2() {
     use nix::fcntl::{fcntl, FcntlArg, FdFlag};
@@ -725,8 +798,13 @@ static mut ALARM_CALLED: bool = false;
 
 // Used in `test_alarm`.
 #[cfg(not(target_os = "redox"))]
-pub extern fn alarm_signal_handler(raw_signal: libc::c_int) {
-    assert_eq!(raw_signal, libc::SIGALRM, "unexpected signal: {}", raw_signal);
+pub extern "C" fn alarm_signal_handler(raw_signal: libc::c_int) {
+    assert_eq!(
+        raw_signal,
+        libc::SIGALRM,
+        "unexpected signal: {}",
+        raw_signal
+    );
     unsafe { ALARM_CALLED = true };
 }
 
@@ -734,15 +812,16 @@ pub extern fn alarm_signal_handler(raw_signal: libc::c_int) {
 #[cfg(not(target_os = "redox"))]
 fn test_alarm() {
     use std::{
-        time::{Duration, Instant,},
-        thread
+        thread,
+        time::{Duration, Instant},
     };
 
     // Maybe other tests that fork interfere with this one?
     let _m = crate::SIGNAL_MTX.lock();
 
     let handler = SigHandler::Handler(alarm_signal_handler);
-    let signal_action = SigAction::new(handler, SaFlags::SA_RESTART, SigSet::empty());
+    let signal_action =
+        SigAction::new(handler, SaFlags::SA_RESTART, SigSet::empty());
     let old_handler = unsafe {
         sigaction(Signal::SIGALRM, &signal_action)
             .expect("unable to set signal handler for alarm")
@@ -759,7 +838,7 @@ fn test_alarm() {
     let starttime = Instant::now();
     loop {
         thread::sleep(Duration::from_millis(100));
-        if unsafe { ALARM_CALLED} {
+        if unsafe { ALARM_CALLED } {
             break;
         }
         if starttime.elapsed() > Duration::from_secs(3) {
@@ -786,7 +865,7 @@ fn test_canceling_alarm() {
 }
 
 #[test]
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
 fn test_symlinkat() {
     let _m = crate::CWD_LOCK.read();
 
@@ -814,7 +893,7 @@ fn test_symlinkat() {
 }
 
 #[test]
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
 fn test_linkat_file() {
     let tempdir = tempdir().unwrap();
     let oldfilename = "foo.txt";
@@ -827,15 +906,24 @@ fn test_linkat_file() {
     File::create(&oldfilepath).unwrap();
 
     // Get file descriptor for base directory
-    let dirfd = fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty()).unwrap();
+    let dirfd =
+        fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty())
+            .unwrap();
 
     // Attempt hard link file at relative path
-    linkat(Some(dirfd), oldfilename, Some(dirfd), newfilename, LinkatFlags::SymlinkFollow).unwrap();
+    linkat(
+        Some(dirfd),
+        oldfilename,
+        Some(dirfd),
+        newfilename,
+        LinkatFlags::SymlinkFollow,
+    )
+    .unwrap();
     assert!(newfilepath.exists());
 }
 
 #[test]
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
 fn test_linkat_olddirfd_none() {
     let _dr = crate::DirRestore::new();
 
@@ -851,16 +939,28 @@ fn test_linkat_olddirfd_none() {
     File::create(&oldfilepath).unwrap();
 
     // Get file descriptor for base directory of new file
-    let dirfd = fcntl::open(tempdir_newfile.path(), fcntl::OFlag::empty(), stat::Mode::empty()).unwrap();
+    let dirfd = fcntl::open(
+        tempdir_newfile.path(),
+        fcntl::OFlag::empty(),
+        stat::Mode::empty(),
+    )
+    .unwrap();
 
     // Attempt hard link file using curent working directory as relative path for old file path
     chdir(tempdir_oldfile.path()).unwrap();
-    linkat(None, oldfilename, Some(dirfd), newfilename, LinkatFlags::SymlinkFollow).unwrap();
+    linkat(
+        None,
+        oldfilename,
+        Some(dirfd),
+        newfilename,
+        LinkatFlags::SymlinkFollow,
+    )
+    .unwrap();
     assert!(newfilepath.exists());
 }
 
 #[test]
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
 fn test_linkat_newdirfd_none() {
     let _dr = crate::DirRestore::new();
 
@@ -876,16 +976,33 @@ fn test_linkat_newdirfd_none() {
     File::create(&oldfilepath).unwrap();
 
     // Get file descriptor for base directory of old file
-    let dirfd = fcntl::open(tempdir_oldfile.path(), fcntl::OFlag::empty(), stat::Mode::empty()).unwrap();
+    let dirfd = fcntl::open(
+        tempdir_oldfile.path(),
+        fcntl::OFlag::empty(),
+        stat::Mode::empty(),
+    )
+    .unwrap();
 
     // Attempt hard link file using current working directory as relative path for new file path
     chdir(tempdir_newfile.path()).unwrap();
-    linkat(Some(dirfd), oldfilename, None, newfilename, LinkatFlags::SymlinkFollow).unwrap();
+    linkat(
+        Some(dirfd),
+        oldfilename,
+        None,
+        newfilename,
+        LinkatFlags::SymlinkFollow,
+    )
+    .unwrap();
     assert!(newfilepath.exists());
 }
 
 #[test]
-#[cfg(not(any(target_os = "ios", target_os = "macos", target_os = "redox")))]
+#[cfg(not(any(
+    target_os = "ios",
+    target_os = "macos",
+    target_os = "redox",
+    target_os = "haiku"
+)))]
 fn test_linkat_no_follow_symlink() {
     let _m = crate::CWD_LOCK.read();
 
@@ -906,23 +1023,29 @@ fn test_linkat_no_follow_symlink() {
     symlinkat(&oldfilepath, None, &symoldfilepath).unwrap();
 
     // Get file descriptor for base directory
-    let dirfd = fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty()).unwrap();
+    let dirfd =
+        fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty())
+            .unwrap();
 
     // Attempt link symlink of file at relative path
-    linkat(Some(dirfd), symoldfilename, Some(dirfd), newfilename, LinkatFlags::NoSymlinkFollow).unwrap();
+    linkat(
+        Some(dirfd),
+        symoldfilename,
+        Some(dirfd),
+        newfilename,
+        LinkatFlags::NoSymlinkFollow,
+    )
+    .unwrap();
 
     // Assert newfile is actually a symlink to oldfile.
     assert_eq!(
-        readlink(&newfilepath)
-            .unwrap()
-            .to_str()
-            .unwrap(),
+        readlink(&newfilepath).unwrap().to_str().unwrap(),
         oldfilepath.to_str().unwrap()
     );
 }
 
 #[test]
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "haiku")))]
 fn test_linkat_follow_symlink() {
     let _m = crate::CWD_LOCK.read();
 
@@ -943,15 +1066,26 @@ fn test_linkat_follow_symlink() {
     symlinkat(&oldfilepath, None, &symoldfilepath).unwrap();
 
     // Get file descriptor for base directory
-    let dirfd = fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty()).unwrap();
+    let dirfd =
+        fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty())
+            .unwrap();
 
     // Attempt link target of symlink of file at relative path
-    linkat(Some(dirfd), symoldfilename, Some(dirfd), newfilename, LinkatFlags::SymlinkFollow).unwrap();
+    linkat(
+        Some(dirfd),
+        symoldfilename,
+        Some(dirfd),
+        newfilename,
+        LinkatFlags::SymlinkFollow,
+    )
+    .unwrap();
 
     let newfilestat = stat::stat(&newfilepath).unwrap();
 
     // Check the file type of the new link
-    assert_eq!((stat::SFlag::from_bits_truncate(newfilestat.st_mode as mode_t) & SFlag::S_IFMT),
+    assert_eq!(
+        (stat::SFlag::from_bits_truncate(newfilestat.st_mode as mode_t)
+            & SFlag::S_IFMT),
         SFlag::S_IFREG
     );
 
@@ -970,12 +1104,15 @@ fn test_unlinkat_dir_noremovedir() {
     DirBuilder::new().recursive(true).create(&dirpath).unwrap();
 
     // Get file descriptor for base directory
-    let dirfd = fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty()).unwrap();
+    let dirfd =
+        fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty())
+            .unwrap();
 
     // Attempt unlink dir at relative path without proper flag
-    let err_result = unlinkat(Some(dirfd), dirname, UnlinkatFlags::NoRemoveDir).unwrap_err();
+    let err_result =
+        unlinkat(Some(dirfd), dirname, UnlinkatFlags::NoRemoveDir).unwrap_err();
     assert!(err_result == Errno::EISDIR || err_result == Errno::EPERM);
- }
+}
 
 #[test]
 #[cfg(not(target_os = "redox"))]
@@ -988,12 +1125,14 @@ fn test_unlinkat_dir_removedir() {
     DirBuilder::new().recursive(true).create(&dirpath).unwrap();
 
     // Get file descriptor for base directory
-    let dirfd = fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty()).unwrap();
+    let dirfd =
+        fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty())
+            .unwrap();
 
     // Attempt unlink dir at relative path with proper flag
     unlinkat(Some(dirfd), dirname, UnlinkatFlags::RemoveDir).unwrap();
     assert!(!dirpath.exists());
- }
+}
 
 #[test]
 #[cfg(not(target_os = "redox"))]
@@ -1006,34 +1145,47 @@ fn test_unlinkat_file() {
     File::create(&filepath).unwrap();
 
     // Get file descriptor for base directory
-    let dirfd = fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty()).unwrap();
+    let dirfd =
+        fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty())
+            .unwrap();
 
     // Attempt unlink file at relative path
     unlinkat(Some(dirfd), filename, UnlinkatFlags::NoRemoveDir).unwrap();
     assert!(!filepath.exists());
- }
+}
 
 #[test]
 fn test_access_not_existing() {
     let tempdir = tempdir().unwrap();
     let dir = tempdir.path().join("does_not_exist.txt");
-    assert_eq!(access(&dir, AccessFlags::F_OK).err().unwrap(),
-               Errno::ENOENT);
+    assert_eq!(
+        access(&dir, AccessFlags::F_OK).err().unwrap(),
+        Errno::ENOENT
+    );
 }
 
 #[test]
 fn test_access_file_exists() {
     let tempdir = tempdir().unwrap();
-    let path  = tempdir.path().join("does_exist.txt");
+    let path = tempdir.path().join("does_exist.txt");
     let _file = File::create(path.clone()).unwrap();
-    assert!(access(&path, AccessFlags::R_OK | AccessFlags::W_OK).is_ok());
+    access(&path, AccessFlags::R_OK | AccessFlags::W_OK)
+        .expect("assertion failed");
 }
 
+//Clippy false positive https://github.com/rust-lang/rust-clippy/issues/9111
+#[allow(clippy::needless_borrow)]
 #[cfg(not(target_os = "redox"))]
 #[test]
 fn test_user_into_passwd() {
     // get the UID of the "nobody" user
-    let nobody = User::from_name("nobody").unwrap().unwrap();
+    #[cfg(not(target_os = "haiku"))]
+    let test_username = "nobody";
+    // "nobody" unavailable on haiku
+    #[cfg(target_os = "haiku")]
+    let test_username = "user";
+
+    let nobody = User::from_name(test_username).unwrap().unwrap();
     let pwd: libc::passwd = nobody.into();
     let _: User = (&pwd).into();
 }
@@ -1052,8 +1204,7 @@ fn test_setfsuid() {
     // create a temporary file with permissions '-rw-r-----'
     let file = tempfile::NamedTempFile::new_in("/var/tmp").unwrap();
     let temp_path = file.into_temp_path();
-    dbg!(&temp_path);
-    let temp_path_2 = (&temp_path).to_path_buf();
+    let temp_path_2 = temp_path.to_path_buf();
     let mut permissions = fs::metadata(&temp_path).unwrap().permissions();
     permissions.set_mode(0o640);
 
@@ -1063,8 +1214,8 @@ fn test_setfsuid() {
         let fuid = setfsuid(nobody.uid);
         // trying to open the temporary file should fail with EACCES
         let res = fs::File::open(&temp_path);
-        assert!(res.is_err());
-        assert_eq!(res.err().unwrap().kind(), io::ErrorKind::PermissionDenied);
+        let err = res.expect_err("assertion failed");
+        assert_eq!(err.kind(), io::ErrorKind::PermissionDenied);
 
         // assert fuid actually changes
         let prev_fuid = setfsuid(Uid::from_raw(-1i32 as u32));
@@ -1078,7 +1229,11 @@ fn test_setfsuid() {
 }
 
 #[test]
-#[cfg(not(any(target_os = "redox", target_os = "fuchsia")))]
+#[cfg(not(any(
+    target_os = "redox",
+    target_os = "fuchsia",
+    target_os = "haiku"
+)))]
 fn test_ttyname() {
     let fd = posix_openpt(OFlag::O_RDWR).expect("posix_openpt failed");
     assert!(fd.as_raw_fd() > 0);
@@ -1089,11 +1244,8 @@ fn test_ttyname() {
     grantpt(&fd).expect("grantpt failed");
     unlockpt(&fd).expect("unlockpt failed");
     let sname = unsafe { ptsname(&fd) }.expect("ptsname failed");
-    let fds = open(
-        Path::new(&sname),
-        OFlag::O_RDWR,
-        stat::Mode::empty(),
-    ).expect("open failed");
+    let fds = open(Path::new(&sname), OFlag::O_RDWR, stat::Mode::empty())
+        .expect("open failed");
     assert!(fds > 0);
 
     let name = ttyname(fds).expect("ttyname failed");
@@ -1109,7 +1261,11 @@ fn test_ttyname_not_pty() {
 }
 
 #[test]
-#[cfg(not(any(target_os = "redox", target_os = "fuchsia")))]
+#[cfg(not(any(
+    target_os = "redox",
+    target_os = "fuchsia",
+    target_os = "haiku"
+)))]
 fn test_ttyname_invalid_fd() {
     assert_eq!(ttyname(-1), Err(Errno::EBADF));
 }
@@ -1150,5 +1306,73 @@ fn test_getpeereid() {
 ))]
 fn test_getpeereid_invalid_fd() {
     // getpeereid is not POSIX, so error codes are inconsistent between different Unices.
-    assert!(getpeereid(-1).is_err());
+    getpeereid(-1).expect_err("assertion failed");
+}
+
+#[test]
+#[cfg(not(any(target_os = "illumos", target_os = "redox")))]
+fn test_faccessat_none_not_existing() {
+    use nix::fcntl::AtFlags;
+    let tempdir = tempfile::tempdir().unwrap();
+    let dir = tempdir.path().join("does_not_exist.txt");
+    assert_eq!(
+        faccessat(None, &dir, AccessFlags::F_OK, AtFlags::empty())
+            .err()
+            .unwrap(),
+        Errno::ENOENT
+    );
+}
+
+#[test]
+#[cfg(not(any(target_os = "illumos", target_os = "redox")))]
+fn test_faccessat_not_existing() {
+    use nix::fcntl::AtFlags;
+    let tempdir = tempfile::tempdir().unwrap();
+    let dirfd = open(tempdir.path(), OFlag::empty(), Mode::empty()).unwrap();
+    let not_exist_file = "does_not_exist.txt";
+    assert_eq!(
+        faccessat(
+            Some(dirfd),
+            not_exist_file,
+            AccessFlags::F_OK,
+            AtFlags::empty(),
+        )
+        .err()
+        .unwrap(),
+        Errno::ENOENT
+    );
+}
+
+#[test]
+#[cfg(not(any(target_os = "illumos", target_os = "redox")))]
+fn test_faccessat_none_file_exists() {
+    use nix::fcntl::AtFlags;
+    let tempdir = tempfile::tempdir().unwrap();
+    let path = tempdir.path().join("does_exist.txt");
+    let _file = File::create(path.clone()).unwrap();
+    assert!(faccessat(
+        None,
+        &path,
+        AccessFlags::R_OK | AccessFlags::W_OK,
+        AtFlags::empty(),
+    )
+    .is_ok());
+}
+
+#[test]
+#[cfg(not(any(target_os = "illumos", target_os = "redox")))]
+fn test_faccessat_file_exists() {
+    use nix::fcntl::AtFlags;
+    let tempdir = tempfile::tempdir().unwrap();
+    let dirfd = open(tempdir.path(), OFlag::empty(), Mode::empty()).unwrap();
+    let exist_file = "does_exist.txt";
+    let path = tempdir.path().join(exist_file);
+    let _file = File::create(path.clone()).unwrap();
+    assert!(faccessat(
+        Some(dirfd),
+        &path,
+        AccessFlags::R_OK | AccessFlags::W_OK,
+        AtFlags::empty(),
+    )
+    .is_ok());
 }
diff --git a/record.txt b/record.txt
index 81f4a14befaebf57c11dba4bc6b7c1ed4d73972b..1b97a4d04d607caa81225895826ec2bd5de0c666 100644
--- a/record.txt
+++ b/record.txt
@@ -45,3 +45,4 @@
 67
 68
 69
+70