1 /*
2 * Copyright (C) 2000 Jason Evans <jasone@freebsd.org>.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice(s), this list of conditions and the following disclaimer as
10 * the first lines of this file unmodified other than the possible
11 * addition of one or more copyright notices.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice(s), this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
27 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * $FreeBSD: stable/9/lib/libkse/thread/thr_waitpid.c 174689 2007-12-16 23:29:57Z deischen $
30 */
31
32 #include <sys/types.h>
33 #include <sys/wait.h>
34 #include <pthread.h>
35 #include "thr_private.h"
36
37 extern int __waitpid(pid_t, int *, int);
38
39 pid_t _waitpid(pid_t wpid, int *status, int options);
40
41 __weak_reference(_waitpid, waitpid);
42
43 pid_t
_waitpid(pid_t wpid,int * status,int options)44 _waitpid(pid_t wpid, int *status, int options)
45 {
46 struct pthread *curthread = _get_curthread();
47 pid_t ret;
48
49 _thr_cancel_enter(curthread);
50 ret = __waitpid(wpid, status, options);
51 _thr_cancel_leave(curthread, 1);
52
53 return (ret);
54 }
55