github.com/afumu/libc@v0.0.6/musl/src/thread/pthread_detach.c (about)

     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  		return __pthread_join(t, 0);
    10  	return 0;
    11  }
    12  
    13  weak_alias(__pthread_detach, pthread_detach);
    14  weak_alias(__pthread_detach, thrd_detach);