3 files changed, 40 insertions, 11 deletions
diff --git a/components/libc/compilers/common/readme.md b/components/libc/compilers/common/readme.md
index 99797d933c..81bb005d0a 100644
--- a/components/libc/compilers/common/readme.md
+++ b/components/libc/compilers/common/readme.md
@@ -1,8 +1,8 @@
 ## Attentions
 
-1. This folder is "common" for armlibc newlibc and dlib. It's not "common" for minilibc.
+1. This folder is "common" for armlibc newlibc and dlib.
 
-2. If you want to add new .c files, please do not forget to fix SConscript file too. eg:
+2. If you want to add new `.c` files, please do not forget to fix SConscript file too. eg:
 
 ```python
 if GetDepend('RT_USING_POSIX') == False:
diff --git a/components/libc/compilers/common/stdlib.c b/components/libc/compilers/common/stdlib.c
index 9f801ab966..48a86098cd 100644
--- a/components/libc/compilers/common/stdlib.c
+++ b/components/libc/compilers/common/stdlib.c
@@ -14,18 +14,10 @@ void __rt_libc_exit(int status)
 {
     rt_thread_t self = rt_thread_self();
 
-#ifdef RT_USING_MODULE
-    if (dlmodule_self())
-    {
-        dlmodule_exit(status);
-    }
-#endif
-
     if (self != RT_NULL)
     {
         rt_kprintf("thread:%s exit:%d!\n", self->name, status);
-        rt_thread_suspend(self);
-        rt_schedule();
+        rt_thread_control(self, RT_THREAD_CTRL_CLOSE, RT_NULL);
     }
 }
 
diff --git a/components/libc/compilers/common/unistd.c b/components/libc/compilers/common/unistd.c
index 48e6beee4e..0966242e55 100644
--- a/components/libc/compilers/common/unistd.c
+++ b/components/libc/compilers/common/unistd.c
@@ -49,3 +49,40 @@ int usleep(useconds_t usec)
     return 0;
 }
 RTM_EXPORT(usleep);
+
+pid_t getpid(void)
+{
+    /*TODO*/
+    return 0;
+}
+RTM_EXPORT(getpid);
+
+pid_t getppid(void)
+{
+    return 0;
+}
+RTM_EXPORT(getppid);
+
+uid_t getuid(void)
+{
+    return 0; /*ROOT*/
+}
+RTM_EXPORT(getuid);
+
+uid_t geteuid(void)
+{
+    return 0; /*ROOT*/
+}
+RTM_EXPORT(geteuid);
+
+gid_t getgid(void)
+{
+    return 0; /*ROOT*/
+}
+RTM_EXPORT(getgid);
+
+gid_t getegid(void)
+{
+    return 0; /*ROOT*/
+}
+RTM_EXPORT(getegid);