58 lines
2.0 KiB
C
58 lines
2.0 KiB
C
/*
|
|
* Copyright (c) 2003 Daniel Eischen <deischen@freebsd.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Neither the name of the author nor the names of any co-contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <errno.h>
|
|
#include <stdlib.h>
|
|
#include <pthread.h>
|
|
#include <sys/queue.h>
|
|
#include "thr_private.h"
|
|
|
|
__weak_reference(_pthread_atfork, pthread_atfork);
|
|
|
|
int
|
|
_pthread_atfork(void (*prepare)(void), void (*parent)(void),
|
|
void (*child)(void))
|
|
{
|
|
struct pthread *curthread;
|
|
struct pthread_atfork *af;
|
|
|
|
_thr_check_init();
|
|
|
|
if ((af = malloc(sizeof(struct pthread_atfork))) == NULL)
|
|
return (ENOMEM);
|
|
|
|
curthread = _get_curthread();
|
|
af->prepare = prepare;
|
|
af->parent = parent;
|
|
af->child = child;
|
|
THR_UMUTEX_LOCK(curthread, &_thr_atfork_lock);
|
|
TAILQ_INSERT_TAIL(&_thr_atfork_list, af, qe);
|
|
THR_UMUTEX_UNLOCK(curthread, &_thr_atfork_lock);
|
|
return (0);
|
|
}
|