diff options
Diffstat (limited to 'lib/libpthread/uthread/uthread_atfork.c')
| -rw-r--r-- | lib/libpthread/uthread/uthread_atfork.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/lib/libpthread/uthread/uthread_atfork.c b/lib/libpthread/uthread/uthread_atfork.c new file mode 100644 index 00000000000..10e6f6be25b --- /dev/null +++ b/lib/libpthread/uthread/uthread_atfork.c @@ -0,0 +1,58 @@ +/* $OpenBSD: uthread_atfork.c,v 1.3 2005/10/30 03:37:34 brad Exp $ */ + +/* + * 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: /repoman/r/ncvs/src/lib/libc_r/uthread/uthread_atfork.c,v 1.1 2004/12/10 03:36:45 grog Exp $ + */ + +#include <errno.h> +#include <stdlib.h> +#ifdef _THREAD_SAFE +#include <pthread.h> +#include <sys/queue.h> +#include "pthread_private.h" + +int +pthread_atfork(void (*prepare)(void), void (*parent)(void), + void (*child)(void)) +{ + struct pthread_atfork *af; + + if (_thread_initial == NULL) + _thread_init(); + + if ((af = malloc(sizeof(struct pthread_atfork))) == NULL) + return (ENOMEM); + + af->prepare = prepare; + af->parent = parent; + af->child = child; + pthread_mutex_lock(&_atfork_mutex); + TAILQ_INSERT_TAIL(&_atfork_list, af, qe); + pthread_mutex_unlock(&_atfork_mutex); + return (0); +} +#endif |