1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* Copyright (c) 1988 AT&T */ 30 /* All Rights Reserved */ 31 32 33 #include "synonyms.h" 34 #include <sys/types.h> 35 #include <unistd.h> 36 #include <wait.h> 37 38 pid_t 39 _waitpid(pid_t pid, int *stat_loc, int options) 40 { 41 idtype_t idtype; 42 id_t id; 43 siginfo_t info; 44 int error; 45 46 if (pid > 0) { 47 idtype = P_PID; 48 id = pid; 49 } else if (pid < -1) { 50 idtype = P_PGID; 51 id = -pid; 52 } else if (pid == -1) { 53 idtype = P_ALL; 54 id = 0; 55 } else { 56 idtype = P_PGID; 57 id = getpgid(0); 58 } 59 60 options |= (WEXITED|WTRAPPED); 61 62 if ((error = waitid(idtype, id, &info, options)) < 0) 63 return (error); 64 65 if (stat_loc) { 66 67 int stat = (info.si_status & 0377); 68 69 switch (info.si_code) { 70 case CLD_EXITED: 71 stat <<= 8; 72 break; 73 case CLD_DUMPED: 74 stat |= WCOREFLG; 75 break; 76 case CLD_KILLED: 77 break; 78 case CLD_TRAPPED: 79 case CLD_STOPPED: 80 stat <<= 8; 81 stat |= WSTOPFLG; 82 break; 83 case CLD_CONTINUED: 84 stat = WCONTFLG; 85 break; 86 } 87 88 *stat_loc = stat; 89 } 90 91 return (info.si_pid); 92 } 93 94 pid_t 95 _wait(int *stat_loc) 96 { 97 return (waitpid(-1, stat_loc, 0)); 98 } 99