simplify multi-threaded errno, eliminate useless function pointer

[musl] / src / thread / pthread_self.c

diff --git a/src/thread/pthread_self.c b/src/thread/pthread_self.c
index 9f885d9..d2493fc 100644 (file)
--- a/src/thread/pthread_self.c
+++ b/src/thread/pthread_self.c
@@ -6,21 +6,16 @@ static struct pthread main_thread;
 static const void *dummy[1] = { 0 };
 weak_alias(dummy, __pthread_tsd_main);
 
-static int *errno_location()
-{
-       return __pthread_self()->errno_ptr;
-}
-
 static int init_main_thread()
 {
        if (__set_thread_area(&main_thread) < 0) return -1;
        main_thread.canceldisable = libc.canceldisable;
        main_thread.tsd = (void **)__pthread_tsd_main;
-       main_thread.self = libc.main_thread = &main_thread;
        main_thread.errno_ptr = __errno_location();
-       libc.errno_location = errno_location;
+       main_thread.self = &main_thread;
        main_thread.tid = main_thread.pid = 
                __syscall(SYS_set_tid_address, &main_thread.tid);
+       libc.main_thread = &main_thread;
        return 0;
 }