Support set specifics for any thread.

Author: winlinvip

README.md

@@ -117,6 +117,7 @@ The branch [srs](https://github.com/ossrs/state-threads/tree/srs) was patched an
 - [x] IDE: Support CLion for debugging and learning.
 - [x] Define and use a new jmpbuf, because the structure is different.
 - [x] Check capability for backtrack.
+- [x] Support set specifics for any thread.
 - [ ] System: Support sendmmsg for UDP, [#12](https://github.com/ossrs/state-threads/issues/12).
 
 ## GDB Tools

key.c

@@ -79,7 +79,12 @@ int st_key_getlimit(void)
 int st_thread_setspecific(int key, void *value)
 {
     _st_thread_t *me = _ST_CURRENT_THREAD();
-    
+    return st_thread_setspecific2(me, key, value);
+}
+
+
+int st_thread_setspecific2(_st_thread_t *me, int key, void *value)
+{
     if (key < 0 || key >= key_max) {
         errno = EINVAL;
         return -1;

public.h

@@ -156,6 +156,8 @@ extern int st_sendmsg(st_netfd_t fd, const struct msghdr *msg, int flags, st_uti
 
 extern st_netfd_t st_open(const char *path, int oflags, mode_t mode);
 
+extern int st_thread_setspecific2(st_thread_t thread, int key, void *value);
+
 #ifdef DEBUG
 extern void _st_show_thread_stack(st_thread_t thread, const char *messg);
 extern void _st_iterate_threads(void);

sched.c

@@ -689,7 +689,6 @@ _st_thread_t *st_thread_self(void)
     return _ST_CURRENT_THREAD();
 }
 
-
 #ifdef DEBUG
 /* ARGSUSED */
 void _st_show_thread_stack(_st_thread_t *thread, const char *messg)