projects / thirdparty / bash.git / blame
| Commit | Line | Data |
|---|---|---|
| d166f048 JA |
1 | /* posixwait.h -- job control definitions from POSIX 1003.1 */ |
| 2 | ||
| 3 | /* Copyright (C) 1997 Free Software Foundation, Inc. | |
| 4 | ||
| 5 | This file is part of GNU Bash, the Bourne Again SHell. | |
| 6 | ||
| 7 | Bash is free software; you can redistribute it and/or modify it under | |
| 8 | the terms of the GNU General Public License as published by the Free | |
| 9 | Software Foundation; either version 2, or (at your option) any later | |
| 10 | version. | |
| 11 | ||
| 12 | Bash is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 | for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License along | |
| 18 | with Bash; see the file COPYING. If not, write to the Free Software | |
| 19 | Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
| 20 | ||
| 21 | #if !defined (_POSIXWAIT_H_) | |
| 22 | # define _POSIXWAIT_H_ | |
| 23 | ||
| 24 | /* If _POSIX_VERSION is not defined, we assume that <sys/wait.h> defines | |
| 25 | a `union wait' and various macros used to manipulate it. Look in | |
| 26 | unionwait.h for the things we expect to find. */ | |
| 27 | #if defined (HAVE_SYS_WAIT_H) | |
| 28 | # include <sys/wait.h> | |
| 29 | #else /* !HAVE_SYS_WAIT_H */ | |
| 30 | # if !defined (_POSIX_VERSION) | |
| 31 | # include "unionwait.h" | |
| 32 | # endif | |
| 33 | #endif /* !HAVE_SYS_WAIT_H */ | |
| 34 | ||
| 35 | /* How to get the status of a job. For Posix, this is just an | |
| 36 | int, but for other systems we have to crack the union wait. */ | |
| 37 | #if !defined (_POSIX_VERSION) | |
| 38 | typedef union wait WAIT; | |
| 39 | # define WSTATUS(t) (t.w_status) | |
| 40 | #else /* _POSIX_VERSION */ | |
| 41 | typedef int WAIT; | |
| 42 | # define WSTATUS(t) (t) | |
| 43 | #endif /* _POSIX_VERSION */ | |
| 44 | ||
| 45 | /* Make sure that parameters to wait3 are defined. */ | |
| 46 | #if !defined (WNOHANG) | |
| 47 | # define WNOHANG 1 | |
| 48 | # define WUNTRACED 2 | |
| 49 | #endif /* WNOHANG */ | |
| 50 | ||
| 51 | /* More Posix P1003.1 definitions. In the POSIX versions, the parameter is | |
| 52 | passed as an `int', in the non-POSIX version, as `union wait'. */ | |
| 53 | #if defined (_POSIX_VERSION) | |
| 54 | ||
| 55 | # if !defined (WSTOPSIG) | |
| 56 | # define WSTOPSIG(s) ((s) >> 8) | |
| 57 | # endif /* !WSTOPSIG */ | |
| 58 | ||
| 59 | # if !defined (WTERMSIG) | |
| 60 | # define WTERMSIG(s) ((s) & 0177) | |
| 61 | # endif /* !WTERMSIG */ | |
| 62 | ||
| 63 | # if !defined (WEXITSTATUS) | |
| 64 | # define WEXITSTATUS(s) ((s) >> 8) | |
| 65 | # endif /* !WEXITSTATUS */ | |
| 66 | ||
| 67 | # if !defined (WIFSTOPPED) | |
| 68 | # define WIFSTOPPED(s) (((s) & 0177) == 0177) | |
| 69 | # endif /* !WIFSTOPPED */ | |
| 70 | ||
| 71 | # if !defined (WIFEXITED) | |
| 72 | # define WIFEXITED(s) (((s) & 0377) == 0) | |
| 73 | # endif /* !WIFEXITED */ | |
| 74 | ||
| 75 | # if !defined (WIFSIGNALED) | |
| 76 | # define WIFSIGNALED(s) (!WIFSTOPPED(s) && !WIFEXITED(s)) | |
| 77 | # endif /* !WIFSIGNALED */ | |
| 78 | ||
| 79 | # if !defined (WIFCORED) | |
| 80 | # define WIFCORED(s) ((s) & 0200) | |
| 81 | # endif /* !WIFCORED */ | |
| 82 | ||
| 83 | #else /* !_POSIX_VERSION */ | |
| 84 | ||
| 85 | # if !defined (WSTOPSIG) | |
| 86 | # define WSTOPSIG(s) ((s).w_stopsig) | |
| 87 | # endif /* !WSTOPSIG */ | |
| 88 | ||
| 89 | # if !defined (WTERMSIG) | |
| 90 | # define WTERMSIG(s) ((s).w_termsig) | |
| 91 | # endif /* !WTERMSIG */ | |
| 92 | ||
| 93 | # if !defined (WEXITSTATUS) | |
| 94 | # define WEXITSTATUS(s) ((s).w_retcode) | |
| 95 | # endif /* !WEXITSTATUS */ | |
| 96 | ||
| 97 | # if !defined (WIFCORED) | |
| 98 | # define WIFCORED(s) ((s).w_coredump) | |
| 99 | # endif /* !WIFCORED */ | |
| 100 | ||
| 101 | #endif /* !_POSIX_VERSION */ | |
| 102 | ||
| 103 | #endif /* !_POSIXWAIT_H_ */ |