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: releng/10.2/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 37extern int __waitpid(pid_t, int *, int); 38 39pid_t _waitpid(pid_t wpid, int *status, int options); 40 41__weak_reference(_waitpid, waitpid); 42 43pid_t 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