diff --git a/interfaces/innerkits/dump_catcher/lite_perf.cpp b/interfaces/innerkits/dump_catcher/lite_perf.cpp
index 28030d788d2b7bffb9b393857d97eb7129a95bcc..3ff21a945c6d74f3b6477a075b0d0fcb92f261b4 100644
--- a/interfaces/innerkits/dump_catcher/lite_perf.cpp
+++ b/interfaces/innerkits/dump_catcher/lite_perf.cpp
@@ -358,6 +358,11 @@ bool LitePerf::Impl::ExecDumpPipe(const int (&pipefd)[2], const LitePerfParam& l
     }
     close(pipefd[PIPE_WRITE]);
 
+    if (DFX_InheritCapabilities() != 0) {
+        DFXLOGE("Failed to inherit Capabilities from parent.");
+        return false;
+    }
+
     DFXLOGI("execl processdump -liteperf.");
     execl(PROCESSDUMP_PATH, "processdump", "-liteperf", nullptr);
     DFXLOGE("Failed to execl processdump -liteperf, errno(%{public}d)", errno);
diff --git a/interfaces/innerkits/signal_handler/dfx_dumprequest.c b/interfaces/innerkits/signal_handler/dfx_dumprequest.c
index a95c74b91a59070b4897838ff7a67eec97141c2c..be28a8955b2f5776b49738e025877d27e1967a4e 100644
--- a/interfaces/innerkits/signal_handler/dfx_dumprequest.c
+++ b/interfaces/innerkits/signal_handler/dfx_dumprequest.c
@@ -150,7 +150,7 @@ static void FillCrashExceptionAndReport(const int err)
     ReportException(&exception);
 }
 
-static int32_t InheritCapabilities(void)
+int32_t DFX_InheritCapabilities(void)
 {
     struct __user_cap_header_struct capHeader;
     (void)memset_s(&capHeader, sizeof(capHeader), 0, sizeof(capHeader));
@@ -272,7 +272,7 @@ static int DFX_ExecDump(void)
     }
     syscall(SYS_close, pipefd[1]);
 
-    if (InheritCapabilities() != 0) {
+    if (DFX_InheritCapabilities() != 0) {
         DFXLOGE("Failed to inherit Capabilities from parent.");
         FillCrashExceptionAndReport(CRASH_SIGNAL_EINHERITCAP);
         return INHERIT_CAP_FAIL;
diff --git a/interfaces/innerkits/signal_handler/dfx_signal_handler.c b/interfaces/innerkits/signal_handler/dfx_signal_handler.c
index bde299d24222098d54593de8c2e7698543f4e7b0..85806a8e75824ccc4da8e4315c839660e33b5700 100644
--- a/interfaces/innerkits/signal_handler/dfx_signal_handler.c
+++ b/interfaces/innerkits/signal_handler/dfx_signal_handler.c
@@ -74,13 +74,6 @@
 #define NSIG 64
 #endif
 
-#ifndef F_SETPIPE_SZ
-#define F_SETPIPE_SZ 1031
-#endif
-
-#define NUMBER_SIXTYFOUR 64
-#define INHERITABLE_OFFSET 32
-
 void __attribute__((constructor)) InitHandler(void)
 {
     DFX_InstallSignalHandler();
@@ -95,13 +88,6 @@ static BOOL g_hasInit = FALSE;
 static int g_prevHandledSignal = SIGDUMP;
 static struct sigaction g_oldSigactionList[NSIG] = {};
 static char g_appRunningId[MAX_APP_RUNNING_UNIQUE_ID_LEN];
-enum DumpPreparationStage {
-    CREATE_PIPE_FAIL = 1,
-    SET_PIPE_LEN_FAIL,
-    WRITE_PIPE_FAIL,
-    INHERIT_CAP_FAIL,
-    EXEC_FAIL,
-};
 
 const char* GetLastFatalMessage(void) __attribute__((weak));
 fatal_msg_t *get_fatal_message(void) __attribute__((weak));
diff --git a/interfaces/innerkits/signal_handler/include/dfx_dumprequest.h b/interfaces/innerkits/signal_handler/include/dfx_dumprequest.h
index 0e19989f0948333f65a4ae9ba98c21a37046333c..d3d92dee67c5ab436e2046500ac02439ebb66374 100644
--- a/interfaces/innerkits/signal_handler/include/dfx_dumprequest.h
+++ b/interfaces/innerkits/signal_handler/include/dfx_dumprequest.h
@@ -23,6 +23,8 @@ extern "C" {
 
 void DfxDumpRequest(int signo, struct ProcessDumpRequest *request);
 
+int32_t DFX_InheritCapabilities(void);
+
 bool DFX_SetDumpableState(void);
 void DFX_RestoreDumpableState(void);
 
diff --git a/interfaces/innerkits/signal_handler/libdfx_signalhandler.map b/interfaces/innerkits/signal_handler/libdfx_signalhandler.map
index 9d8a0e24b20a0de321986d07c3f4ed59a5e09d8b..ac990f1df2a271f94af5877e66131c4254600480 100644
--- a/interfaces/innerkits/signal_handler/libdfx_signalhandler.map
+++ b/interfaces/innerkits/signal_handler/libdfx_signalhandler.map
@@ -10,6 +10,7 @@
         DFX_SetCrashLogConfig;
         DFX_SetDumpableState;
         DFX_RestoreDumpableState;
+        DFX_InheritCapabilities;
     };
   local:
     *;