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 29 #include <sys/wait.h> 30 #include <stddef.h> 31 32 extern "C" int __waitid(idtype_t which, id_t id, siginfo_t* info, int options, struct rusage* ru); 33 34 pid_t wait(int* status) { 35 return wait4(-1, status, 0, NULL); 36 } 37 38 pid_t wait3(int* status, int options, struct rusage* rusage) { 39 return wait4(-1, status, options, rusage); 40 } 41 42 pid_t waitpid(pid_t pid, int* status, int options) { 43 return wait4(pid, status, options, NULL); 44 } 45 46 int waitid(idtype_t which, id_t id, siginfo_t* info, int options) { 47 /* the system call takes an option struct rusage that we don't need */ 48 return __waitid(which, id, info, options, NULL); 49 } 50 51 // TODO: remove this backward compatibility hack (for jb-mr1 strace binaries). 52 extern "C" pid_t __wait4(pid_t pid, int* status, int options, struct rusage* rusage) { 53 return wait4(pid, status, options, rusage); 54 } 55