diff options
Diffstat (limited to 'lib/libkse/thread/thr_atfork.c')
| -rw-r--r-- | lib/libkse/thread/thr_atfork.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/lib/libkse/thread/thr_atfork.c b/lib/libkse/thread/thr_atfork.c new file mode 100644 index 0000000..638f27b --- /dev/null +++ b/lib/libkse/thread/thr_atfork.c @@ -0,0 +1,58 @@ +/* + * 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 "namespace.h" +#include <errno.h> +#include <stdlib.h> +#include <pthread.h> +#include <sys/queue.h> +#include "un-namespace.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_atfork *af; + + if (_thr_initial == NULL) + _libpthread_init(NULL); + + if ((af = malloc(sizeof(struct pthread_atfork))) == NULL) + return (ENOMEM); + + af->prepare = prepare; + af->parent = parent; + af->child = child; + _pthread_mutex_lock(&_thr_atfork_mutex); + TAILQ_INSERT_TAIL(&_thr_atfork_list, af, qe); + _pthread_mutex_unlock(&_thr_atfork_mutex); + return (0); +} + |
