add proper fuxed-based locking for stdio

[musl] / src / thread / pthread_self.c

diff --git a/src/thread/pthread_self.c b/src/thread/pthread_self.c
index 83efa9e..9f885d9 100644 (file)
--- a/src/thread/pthread_self.c
+++ b/src/thread/pthread_self.c
@@ -6,7 +6,6 @@ static struct pthread main_thread;
 static const void *dummy[1] = { 0 };
 weak_alias(dummy, __pthread_tsd_main);
 
-#undef errno
 static int *errno_location()
 {
        return __pthread_self()->errno_ptr;
@@ -14,14 +13,14 @@ static int *errno_location()
 
 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 = &main_thread;
-       if (__set_thread_area(&main_thread) < 0)
-               return -1;
+       main_thread.self = libc.main_thread = &main_thread;
        main_thread.errno_ptr = __errno_location();
        libc.errno_location = errno_location;
        main_thread.tid = main_thread.pid = 
-               syscall(SYS_set_tid_address, &main_thread.tid);
+               __syscall(SYS_set_tid_address, &main_thread.tid);
        return 0;
 }
 
@@ -36,3 +35,5 @@ pthread_t pthread_self()
        }
        return __pthread_self();
 }
+
+weak_alias(pthread_self, __pthread_self_init);