src/thread/pthread_detach.c

#include "pthread_impl.h"
#include <threads.h>

int __pthread_join(pthread_t, void **);

static int __pthread_detach(pthread_t t)
{
	/* Cannot detach a thread that's already exiting */
	if (a_cas(t->exitlock, 0, INT_MIN + 1))
		return __pthread_join(t, 0);
	t->detached = 2;
	UNLOCK(t->exitlock);
	return 0;
}

weak_alias(__pthread_detach, pthread_detach);
weak_alias(__pthread_detach, thrd_detach);