diff --git a/utshell-0.5/r_input/src/lib.rs b/utshell-0.5/r_input/src/lib.rs
index 3b044649cbc82c7746800698755e61ede6a11724..317b024bc6e6d99ad9b5818fd650c3880e83af72 100644
--- a/utshell-0.5/r_input/src/lib.rs
+++ b/utshell-0.5/r_input/src/lib.rs
@@ -142,4 +142,24 @@ pub struct BASH_INPUT {
     pub location: INPUT_STREAM,
     pub getter: Option<sh_cget_func_t>,
     pub ungetter: Option<sh_cunget_func_t>,
+}
+
+#[macro_export]
+macro_rules! CHECK_TERMSIG {
+    () => {
+        if terminating_signal != 0 {
+            termsig_handler(terminating_signal);
+        }
+    };
+}
+#[macro_export]
+macro_rules! QUIT {
+    () => {
+        if terminating_signal != 0 {
+            termsig_handler(terminating_signal);
+        }
+        if interrupt_state != 0 {
+            throw_to_top_level();
+        }
+    };
 }
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