From e61d05ca1a9e6b8a83c928ab1f893246629bbd2f Mon Sep 17 00:00:00 2001
From: xiangxistu <52819708+xiangxistu@users.noreply.github.com>
Date: Mon, 8 Aug 2022 11:16:17 +0800
Subject: [fix] the risk for function exit() when open pthread support. (#6229)

* [fix] the risk for function exit() when open pthread support.
* [update] modify annotation from "user data" to "pthread_data".
---
 components/libc/compilers/common/cstdlib.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'components/libc/compilers')

diff --git a/components/libc/compilers/common/cstdlib.c b/components/libc/compilers/common/cstdlib.c
index 9d1667b5d3..3ed5a228c8 100644
--- a/components/libc/compilers/common/cstdlib.c
+++ b/components/libc/compilers/common/cstdlib.c
@@ -21,8 +21,11 @@ void __rt_libc_exit(int status)
     if (self != RT_NULL)
     {
 #ifdef RT_USING_PTHREADS
-        extern void pthread_exit(void *value);
-        pthread_exit((void *)status);
+        if(self->pthread_data != RT_NULL)
+        {
+            extern void pthread_exit(void *value);
+            pthread_exit((void *)status);
+        }
 #else
         LOG_E("thread:%s exit:%d!", self->name, status);
         rt_thread_control(self, RT_THREAD_CTRL_CLOSE, RT_NULL);
-- 
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