fix integer overflow in elf.h macro SHF_EXCLUDE

[musl] / src / thread / pthread_detach.c

diff --git a/src/thread/pthread_detach.c b/src/thread/pthread_detach.c
index f0eae3e..ed77f74 100644 (file)
--- a/src/thread/pthread_detach.c
+++ b/src/thread/pthread_detach.c
@@ -1,11 +1,17 @@
 #include "pthread_impl.h"
+#include <threads.h>
 
-int pthread_detach(pthread_t t)
+int __pthread_join(pthread_t, void **);
+
+static int __pthread_detach(pthread_t t)
 {
        /* Cannot detach a thread that's already exiting */
-       if (a_xchg(&t->exitlock, 1))
-               return pthread_join(t, 0);
-       t->detached = 1;
-       t->exitlock = 0;
+       if (a_swap(t->exitlock, 1))
+               return __pthread_join(t, 0);
+       t->detached = 2;
+       __unlock(t->exitlock);
        return 0;
 }
+
+weak_alias(__pthread_detach, pthread_detach);
+weak_alias(__pthread_detach, thrd_detach);