1 /* 2 * Copyright (C) 2008 The Android Open Source Project 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 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 #include <sys/wait.h> 29 #include <stddef.h> 30 31 extern pid_t __wait4 (pid_t pid, int *status, int options, struct rusage *rusage); 32 extern int __waitid(idtype_t which, id_t id, siginfo_t *info, int options, struct rusage *ru); 33 34 pid_t wait( int* status ) 35 { 36 return __wait4( (pid_t)-1, status, 0, NULL ); 37 } 38 39 pid_t wait3(int* status, int options, struct rusage* rusage) 40 { 41 return __wait4( (pid_t)-1, status, options, rusage ); 42 } 43 44 pid_t waitpid(pid_t pid, int* status, int options) 45 { 46 return __wait4( pid, status, options, NULL ); 47 } 48 49 int waitid(idtype_t which, id_t id, siginfo_t *info, int options) 50 { 51 /* the system call takes an option struct rusage that we don't need */ 52 return __waitid(which, id, info, options, NULL); 53 } 54
