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 #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
28 weak_alias(__pthread_detach, pthread_detach);
29 weak_alias(__pthread_detach, thrd_detach);
30