183d2307dSDag-Erling Smørgrav /* 2d95e11bfSDag-Erling Smørgrav * Copyright (c) 2000 Ben Lindstrom. All rights reserved. 3d95e11bfSDag-Erling Smørgrav * 483d2307dSDag-Erling Smørgrav * Redistribution and use in source and binary forms, with or without 583d2307dSDag-Erling Smørgrav * modification, are permitted provided that the following conditions 683d2307dSDag-Erling Smørgrav * are met: 783d2307dSDag-Erling Smørgrav * 1. Redistributions of source code must retain the above copyright 883d2307dSDag-Erling Smørgrav * notice, this list of conditions and the following disclaimer. 983d2307dSDag-Erling Smørgrav * 2. Redistributions in binary form must reproduce the above copyright 1083d2307dSDag-Erling Smørgrav * notice, this list of conditions and the following disclaimer in the 1183d2307dSDag-Erling Smørgrav * documentation and/or other materials provided with the distribution. 1283d2307dSDag-Erling Smørgrav * 1383d2307dSDag-Erling Smørgrav * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1483d2307dSDag-Erling Smørgrav * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1583d2307dSDag-Erling Smørgrav * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1683d2307dSDag-Erling Smørgrav * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 1783d2307dSDag-Erling Smørgrav * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 1883d2307dSDag-Erling Smørgrav * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 1983d2307dSDag-Erling Smørgrav * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2083d2307dSDag-Erling Smørgrav * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2183d2307dSDag-Erling Smørgrav * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2283d2307dSDag-Erling Smørgrav * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2383d2307dSDag-Erling Smørgrav */ 2483d2307dSDag-Erling Smørgrav 2583d2307dSDag-Erling Smørgrav #include "includes.h" 2683d2307dSDag-Erling Smørgrav 27d95e11bfSDag-Erling Smørgrav RCSID("$Id: bsd-waitpid.c,v 1.5 2003/06/01 03:23:57 mouring Exp $"); 2883d2307dSDag-Erling Smørgrav 2983d2307dSDag-Erling Smørgrav #ifndef HAVE_WAITPID 3083d2307dSDag-Erling Smørgrav #include <errno.h> 3183d2307dSDag-Erling Smørgrav #include <sys/wait.h> 3283d2307dSDag-Erling Smørgrav #include "bsd-waitpid.h" 3383d2307dSDag-Erling Smørgrav 3483d2307dSDag-Erling Smørgrav pid_t 3583d2307dSDag-Erling Smørgrav waitpid(int pid, int *stat_loc, int options) 3683d2307dSDag-Erling Smørgrav { 3783d2307dSDag-Erling Smørgrav union wait statusp; 3883d2307dSDag-Erling Smørgrav pid_t wait_pid; 3983d2307dSDag-Erling Smørgrav 4083d2307dSDag-Erling Smørgrav if (pid <= 0) { 4183d2307dSDag-Erling Smørgrav if (pid != -1) { 4283d2307dSDag-Erling Smørgrav errno = EINVAL; 43d95e11bfSDag-Erling Smørgrav return (-1); 4483d2307dSDag-Erling Smørgrav } 45d95e11bfSDag-Erling Smørgrav /* wait4() wants pid=0 for indiscriminate wait. */ 46d95e11bfSDag-Erling Smørgrav pid = 0; 4783d2307dSDag-Erling Smørgrav } 4883d2307dSDag-Erling Smørgrav wait_pid = wait4(pid, &statusp, options, NULL); 4983d2307dSDag-Erling Smørgrav if (stat_loc) 5083d2307dSDag-Erling Smørgrav *stat_loc = (int) statusp.w_status; 5183d2307dSDag-Erling Smørgrav 52d95e11bfSDag-Erling Smørgrav return (wait_pid); 5383d2307dSDag-Erling Smørgrav } 5483d2307dSDag-Erling Smørgrav 5583d2307dSDag-Erling Smørgrav #endif /* !HAVE_WAITPID */ 56