From 5ca410bb4b96956fbd833fb20a474ca44ed81491 Mon Sep 17 00:00:00 2001
From: "Man, Jianting (Meco)" <920369182@qq.com>
Date: Wed, 4 Jan 2023 00:13:36 -0500
Subject: [PATCH] Update signal.h

---
 components/libc/compilers/common/include/sys/signal.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/components/libc/compilers/common/include/sys/signal.h b/components/libc/compilers/common/include/sys/signal.h
index 7cbf235c5c..6e06c8ba14 100644
--- a/components/libc/compilers/common/include/sys/signal.h
+++ b/components/libc/compilers/common/include/sys/signal.h
@@ -215,11 +215,9 @@ int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact)
 #define NSIG    32      /* signal 0 implied */
 #endif /* __ARMCC_VERSION */
 
-#ifndef RT_USING_MUSLLIBC
 /* Some applications take advantage of the fact that <sys/signal.h>
  * and <signal.h> are equivalent in glibc.  Allow for that here.  */
 #include <signal.h>
-#endif /* RT_USING_MUSLLIBC */
 
 #ifndef SIG_ERR
 #define SIG_ERR  ((void (*)(int))-1)