Merge pull request #4358 from mysterywolf/master

[libc] 优化abort函数

1 files changed, 6 insertions, 5 deletions

diff --git a/components/libc/compilers/dlib/syscalls.c b/components/libc/compilers/dlib/syscalls.c
index 10155948ba..007ea76bd1 100644
--- a/components/libc/compilers/dlib/syscalls.c
+++ b/components/libc/compilers/dlib/syscalls.c
@@ -6,19 +6,20 @@
  * Change Logs:
  * Date           Author       Notes
  * 2021-02-13     Meco Man     implement exit() and abort()
+ * 2021-02-20     Meco Man     add system()
  */
 #include <rtthread.h>
 
-void exit (int status)
+/* for exit() and abort() */
+void __exit (int status)
 {
     extern void __rt_libc_exit(int status);
     __rt_libc_exit(status);
     while(1);
 }
 
-void abort(void)
+int system(const char * string)
 {
-    extern void __rt_libc_abort(void);
-    __rt_libc_abort();
-    while(1);
+    extern int __rt_libc_system(const char *string);
+    return __rt_libc_system(string);
 }