nsz Git - musl/blob - src/thread/pthread_detach.c

   1 #include "pthread_impl.h"
   2 #include <threads.h>
   3
   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);