include/sys/wait.h

   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 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  23 /*        All Rights Reserved   */
  24
  25 /*
  26  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
  27  *
  28  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  29  * Use is subject to license terms.
  30  */
  31
  32 #ifndef _SYS_WAIT_H
  33 #define _SYS_WAIT_H
  34
  35 #include <sys/feature_tests.h>
  36
  37 #include <sys/types.h>
  38
  39 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
  40 #include <sys/resource.h>       /* Added for XSH4.2 */
  41 #include <sys/siginfo.h>
  42 #include <sys/procset.h>
  43 #endif /* !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) ... */
  44
  45 #ifdef  __cplusplus
  46 extern "C" {
  47 #endif
  48
  49 /*
  50  * arguments to wait functions
  51  */
  52
  53 #define WUNTRACED       0004    /* wait for processes stopped by signals */
  54 #define WNOHANG         0100    /* non blocking form of wait    */
  55
  56
  57 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
  58 #define WEXITED         0001    /* wait for processes that have exited  */
  59 #define WTRAPPED        0002    /* wait for processes stopped while tracing */
  60 #define WSTOPPED        WUNTRACED /* backwards compatibility */
  61 #define WCONTINUED      0010    /* wait for processes continued */
  62 #define WNOWAIT         0200    /* non destructive form of wait */
  63 #define WOPTMASK (WEXITED|WTRAPPED|WSTOPPED|WCONTINUED|WNOHANG|WNOWAIT)
  64 #endif /* !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) ... */
  65
  66 /*
  67  * macros for stat return from wait functions
  68  */
  69
  70 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
  71
  72 #define WSTOPFLG                0177
  73 #define WCONTFLG                0177777
  74 #define WCOREFLG                0200
  75 #define WSIGMASK                0177
  76
  77 #define WLOBYTE(stat)           ((int)((stat)&0377))
  78 #define WHIBYTE(stat)           ((int)(((stat)>>8)&0377))
  79 #define WWORD(stat)             ((int)((stat))&0177777)
  80
  81 #define WIFCONTINUED(stat)      (WWORD(stat) == WCONTFLG)
  82 #define WCOREDUMP(stat)         ((stat)&WCOREFLG)
  83
  84 #endif /* !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) ... */
  85
  86 #define WIFEXITED(stat)         ((int)((stat)&0xFF) == 0)
  87 #define WIFSIGNALED(stat)       ((int)((stat)&0xFF) > 0 && \
  88                                     (int)((stat)&0xFF00) == 0)
  89 #define WIFSTOPPED(stat)        ((int)((stat)&0xFF) == 0177 && \
  90                                     (int)((stat)&0xFF00) != 0)
  91 #define WEXITSTATUS(stat)       ((int)(((stat)>>8)&0xFF))
  92 #define WTERMSIG(stat)          ((int)((stat)&0x7F))
  93 #define WSTOPSIG(stat)          ((int)(((stat)>>8)&0xFF))
  94
  95
  96 #if !defined(_KERNEL)
  97
  98 extern pid_t wait(int *);
  99 extern pid_t waitpid(pid_t, int *, int);
 100
 101 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
 102 extern int waitid(idtype_t, id_t, siginfo_t *, int);
 103 /* Marked as LEGACY in SUSv2 and removed in SUSv3 */
 104 #if !defined(_XPG6) || defined(__EXTENSIONS__)
 105 extern pid_t wait3(int *, int, struct rusage *);
 106 #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
 107 #endif /* !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) ... */
 108
 109 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
 110 extern pid_t wait4(pid_t, int *, int, struct rusage *);
 111 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
 112
 113 #endif  /* _KERNEL */
 114
 115 #ifdef  __cplusplus
 116 }
 117 #endif
 118
 119 #endif  /* _SYS_WAIT_H */