xref: /aosp_15_r20/external/musl/src/thread/pthread_detach.c (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453)
1 #include "pthread_impl.h"
2 #include <threads.h>
3 
__pthread_detach(pthread_t t)4 static int __pthread_detach(pthread_t t)
5 {
6 	/* If the cas fails, detach state is either already-detached
7 	 * or exiting/exited, and pthread_join will trap or cleanup. */
8 	if (a_cas(&t->detach_state, DT_JOINABLE, DT_DETACHED) != DT_JOINABLE) {
9 		int cs;
10 		__pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
11 		__pthread_join(t, 0);
12 		__pthread_setcancelstate(cs, 0);
13 	}
14 	return 0;
15 }
16 
17 weak_alias(__pthread_detach, pthread_detach);
18 weak_alias(__pthread_detach, thrd_detach);
19