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 1997 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * Portions of this source code were derived from Berkeley 4.3 BSD 32 * under license from the Regents of the University of California. 33 */ 34 35 #ifndef _SYS_WAIT_H 36 #define _SYS_WAIT_H 37 38 #pragma ident "%Z%%M% %I% %E% SMI" 39 40 #include <sys/isa_defs.h> 41 #include <sys/resource.h> 42 43 #ifdef __cplusplus 44 extern "C" { 45 #endif 46 47 /* 48 * This wait.h is a combination of SunOS's wait.h and SysV wait.h 49 * The structure 'union wait' is taken from SunOS, while the 50 * rest of the #define's are from SysV. 51 */ 52 53 /* 54 * Structure of the information in the first word returned by both 55 * wait and wait3. If w_stopval==WSTOPPED, then the second structure 56 * describes the information returned, else the first. See WUNTRACED below. 57 */ 58 union wait { 59 int w_status; /* used in syscall */ 60 /* 61 * Terminated process status. 62 */ 63 struct { 64 #if defined(_BIT_FIELDS_LTOH) 65 unsigned short w_Termsig:7; /* termination signal */ 66 unsigned short w_Coredump:1; /* core dump indicator */ 67 unsigned short w_Retcode:8; /* exit code if w_termsig==0 */ 68 #else 69 unsigned short w_Fill1:16; /* high 16 bits unused */ 70 unsigned short w_Retcode:8; /* exit code if w_termsig==0 */ 71 unsigned short w_Coredump:1; /* core dump indicator */ 72 unsigned short w_Termsig:7; /* termination signal */ 73 #endif 74 } w_T; 75 /* 76 * Stopped process status. Returned 77 * only for traced children unless requested 78 * with the WUNTRACED option bit. 79 */ 80 struct { 81 #if defined(_BIT_FIELDS_LTOH) 82 unsigned short w_Stopval:8; /* == W_STOPPED if stopped */ 83 unsigned short w_Stopsig:8; /* signal that stopped us */ 84 #else 85 unsigned short w_Fill2:16; /* high 16 bits unused */ 86 unsigned short w_Stopsig:8; /* signal that stopped us */ 87 unsigned short w_Stopval:8; /* == W_STOPPED if stopped */ 88 #endif 89 } w_S; 90 }; 91 #define w_termsig w_T.w_Termsig 92 #define w_coredump w_T.w_Coredump 93 #define w_retcode w_T.w_Retcode 94 #define w_stopval w_S.w_Stopval 95 #define w_stopsig w_S.w_Stopsig 96 97 /* ----- begin SysV wait.h ----- */ 98 99 #include <sys/types.h> 100 #ifdef BUS_OBJERR /* Namespace conflict */ 101 #undef BUS_OBJERR 102 #endif 103 #include <sys/siginfo.h> 104 #include <sys/procset.h> 105 106 /* 107 * arguments to wait functions 108 */ 109 110 #define WEXITED 0001 /* wait for processes that have exite */ 111 #define WTRAPPED 0002 /* wait for processes stopped while tracing */ 112 #define N_WSTOPPED 0004 /* wait for processes stopped by signals */ 113 #define WCONTINUED 0010 /* wait for processes continued */ 114 115 #define WUNTRACED N_WSTOPPED /* for POSIX */ 116 117 #define WNOHANG 0100 /* non blocking form of wait */ 118 #define WNOWAIT 0200 /* non destructive form of wait */ 119 120 #define WOPTMASK (WEXITED|WTRAPPED|WSTOPPED|WCONTINUED|WNOHANG|WNOWAIT) 121 122 /* 123 * macros for stat return from wait functions 124 */ 125 126 #define WSTOPFLG 0177 127 #define WSTOPPED WSTOPFLG 128 /* This is for source compatibility w/ SunOS */ 129 #define WCONTFLG 0177777 130 #define WCOREFLG 0200 131 #define WSIGMASK 0177 132 133 #define WLOBYTE(stat) ((int)((stat)&0377)) 134 #define WHIBYTE(stat) ((int)(((stat)>>8)&0377)) 135 #define WWORD(stat) ((int)((stat))&0177777) 136 137 #define WIFEXITED(stat) (WLOBYTE(stat) == 0) 138 #define WIFSIGNALED(stat) (WLOBYTE(stat) > 0 && WHIBYTE(stat) == 0) 139 #define WIFSTOPPED(stat) (WLOBYTE(stat) == WSTOPFLG&&WHIBYTE(stat) != 0) 140 #define WIFCONTINUED(stat) (WWORD(stat) == WCONTFLG) 141 142 #define WEXITSTATUS(stat) WHIBYTE(stat) 143 #define WTERMSIG(stat) (WLOBYTE(stat)&WSIGMASK) 144 #define WSTOPSIG(stat) WHIBYTE(stat) 145 #define WCOREDUMP(stat) ((stat)&WCOREFLG) 146 147 148 149 #if !defined(_KERNEL) 150 #if defined(__STDC__) 151 152 extern pid_t wait(int *); 153 extern pid_t waitpid(pid_t, int *, int); 154 extern int waitid(idtype_t, id_t, siginfo_t *, int); 155 extern pid_t wait4(pid_t, int *, int, struct rusage *); 156 extern pid_t wait3(int *, int, struct rusage *); 157 158 #else 159 160 extern pid_t wait(); 161 extern pid_t waitpid(); 162 extern int waitid(); 163 164 #endif /* __STDC__ */ 165 #endif /* _KERNEL */ 166 167 #ifdef __cplusplus 168 } 169 #endif 170 171 #endif /* _SYS_WAIT_H */ 172