sortix-mirror/libc/pthread/pthread_detach.c

32 lines
1.1 KiB
C

/*
* Copyright (c) 2014 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* pthread/pthread_detach.c
* Detach a thread.
*/
#include <assert.h>
#include <pthread.h>
int pthread_detach(pthread_t thread)
{
if ( pthread_mutex_trylock(&thread->detach_lock) != 0 )
return pthread_join(thread, NULL);
assert(thread->detach_state == PTHREAD_CREATE_JOINABLE);
thread->detach_state = PTHREAD_CREATE_DETACHED;
pthread_mutex_unlock(&thread->detach_lock);
return 0;
}