#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_cas(t->exitlock, 0, INT_MIN + 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);