usr/src/uts/common/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 /*
  27  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  28  * Use is subject to license terms.
  29  */
  30
  31 #ifndef _SYS_WAIT_H
  32 #define _SYS_WAIT_H
  33
  34 #pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.10 */
  35
  36 #include <sys/feature_tests.h>
  37
  38 #include <sys/types.h>
  39
  40 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
  41 #include <sys/resource.h>       /* Added for XSH4.2 */
  42 #include <sys/siginfo.h>
  43 #include <sys/procset.h>
  44 #endif /* !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) ... */
  45
  46 #ifdef  __cplusplus
  47 extern "C" {
  48 #endif
  49
  50 /*
  51  * arguments to wait functions
  52  */
  53
  54 #define WUNTRACED       0004    /* wait for processes stopped by signals */
  55 #define WNOHANG         0100    /* non blocking form of wait    */
  56
  57
  58 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
  59 #define WEXITED         0001    /* wait for processes that have exited  */
  60 #define WTRAPPED        0002    /* wait for processes stopped while tracing */
  61 #define WSTOPPED        WUNTRACED /* backwards compatibility */
  62 #define WCONTINUED      0010    /* wait for processes continued */
  63 #define WNOWAIT         0200    /* non destructive form of wait */
  64 #define WOPTMASK (WEXITED|WTRAPPED|WSTOPPED|WCONTINUED|WNOHANG|WNOWAIT)
  65 #endif /* !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) ... */
  66
  67 /*
  68  * macros for stat return from wait functions
  69  */
  70
  71 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
  72
  73 #define WSTOPFLG                0177
  74 #define WCONTFLG                0177777
  75 #define WCOREFLG                0200
  76 #define WSIGMASK                0177
  77
  78 #define WLOBYTE(stat)           ((int)((stat)&0377))
  79 #define WHIBYTE(stat)           ((int)(((stat)>>8)&0377))
  80 #define WWORD(stat)             ((int)((stat))&0177777)
  81
  82 #define WIFCONTINUED(stat)      (WWORD(stat) == WCONTFLG)
  83 #define WCOREDUMP(stat)         ((stat)&WCOREFLG)
  84
  85 #endif /* !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) ... */
  86
  87 #define WIFEXITED(stat)         ((int)((stat)&0xFF) == 0)
  88 #define WIFSIGNALED(stat)       ((int)((stat)&0xFF) > 0 && \
  89                                     (int)((stat)&0xFF00) == 0)
  90 #define WIFSTOPPED(stat)        ((int)((stat)&0xFF) == 0177 && \
  91                                     (int)((stat)&0xFF00) != 0)
  92 #define WEXITSTATUS(stat)       ((int)(((stat)>>8)&0xFF))
  93 #define WTERMSIG(stat)          ((int)((stat)&0x7F))
  94 #define WSTOPSIG(stat)          ((int)(((stat)>>8)&0xFF))
  95
  96
  97 #if !defined(_KERNEL)
  98 #if defined(__STDC__)
  99
 100 extern pid_t wait(int *);
 101 extern pid_t waitpid(pid_t, int *, int);
 102
 103 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
 104 extern int waitid(idtype_t, id_t, siginfo_t *, int);
 105 /* Marked as LEGACY in SUSv2 and removed in SUSv3 */
 106 #if !defined(_XPG6) || defined(__EXTENSIONS__)
 107 extern pid_t wait3(int *, int, struct rusage *);
 108 #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
 109 #endif /* !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) ... */
 110
 111 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
 112 extern pid_t wait4(pid_t, int *, int, struct rusage *);
 113 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
 114
 115 #else /* __STDC__ */
 116
 117 extern pid_t wait();
 118 extern pid_t waitpid();
 119 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
 120 extern int waitid();
 121 /* Marked as LEGACY in SUSv2 and removed in SUSv3 */
 122 #if !defined(_XPG6) || defined(__EXTENSIONS__)
 123 extern pid_t wait3();
 124 #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
 125 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
 126
 127 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
 128 extern pid_t wait4();
 129 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
 130
 131 #endif  /* __STDC__ */
 132 #endif  /* _KERNEL */
 133
 134 #ifdef  __cplusplus
 135 }
 136 #endif
 137
 138 #endif  /* _SYS_WAIT_H */