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

   1 #include "pthread_impl.h"
   2 #include <threads.h>
   3
   4 int __pthread_join(pthread_t, void **);
   5
   6 static int __pthread_detach(pthread_t t)
   7 {
   8         /* If the cas fails, detach state is either already-detached
   9          * or exiting/exited, and pthread_join will trap or cleanup. */
  10         if (a_cas(&t->detach_state, DT_JOINABLE, DT_DYNAMIC) != DT_JOINABLE)
  11                 return __pthread_join(t, 0);
  12         return 0;
  13 }
  14
  15 weak_alias(__pthread_detach, pthread_detach);
  16 weak_alias(__pthread_detach, thrd_detach);