| 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, 59 Temple Place, Suite 330, Boston, MA 02111 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
|
|---|
|
|---|
