1#include "pthread_impl.h"
2#include <threads.h>
3
4static 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#ifdef __LITEOS_A__
15	int ret = __syscall(SYS_pthread_set_detach, t->tid);
16	if (ret) {
17		a_swap(&t->detach_state, DT_JOINABLE);
18	}
19	if (ret == ESRCH) {
20		ret = 0;
21	}
22	return ret;
23#else
24	return 0;
25#endif
26}
27
28weak_alias(__pthread_detach, pthread_detach);
29weak_alias(__pthread_detach, thrd_detach);
30