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43626ea4 | 1 | /* Define wait system call interface for Emacs. |
429ab54e | 2 | Copyright (C) 1993, 1994, 1995, 2000, 2001, 2002, 2003, 2004, |
8cabe764 | 3 | 2005, 2006, 2007, 2008 Free Software Foundation, Inc. |
43626ea4 RS |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
b9b1cc14 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
43626ea4 | 8 | it under the terms of the GNU General Public License as published by |
b9b1cc14 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
43626ea4 RS |
11 | |
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
b9b1cc14 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
43626ea4 RS |
19 | |
20 | /* Define the structure that the wait system call stores. | |
21 | On many systems, there is a structure defined for this. | |
22 | But on vanilla-ish USG systems there is not. */ | |
23 | ||
d72c1cad DL |
24 | #ifndef EMACS_SYSWAIT_H |
25 | #define EMACS_SYSWAIT_H | |
26 | ||
d72c1cad | 27 | #include <sys/types.h> |
1f0bb0ab | 28 | |
3bddb272 | 29 | #ifdef HAVE_SYS_WAIT_H /* We have sys/wait.h with POSIXoid definitions. */ |
d72c1cad | 30 | #include <sys/wait.h> |
557713d8 RS |
31 | #endif /* !HAVE_SYS_WAIT_H */ |
32 | ||
1f0bb0ab DL |
33 | #ifndef WCOREDUMP /* not POSIX */ |
34 | #define WCOREDUMP(status) ((status) & 0x80) | |
d72c1cad | 35 | #endif |
557713d8 | 36 | #ifndef WEXITSTATUS |
1f0bb0ab | 37 | #define WEXITSTATUS(status) (((status) & 0xff00) >> 8) |
557713d8 RS |
38 | #endif |
39 | #ifndef WIFEXITED | |
1f0bb0ab | 40 | #define WIFEXITED(status) (WTERMSIG(status) == 0) |
557713d8 RS |
41 | #endif |
42 | #ifndef WIFSTOPPED | |
1f0bb0ab | 43 | #define WIFSTOPPED(status) (((status) & 0xff) == 0x7f) |
557713d8 RS |
44 | #endif |
45 | #ifndef WIFSIGNALED | |
1f0bb0ab | 46 | #define WIFSIGNALED(status) (!WIFSTOPPED(status) && !WIFEXITED(status)) |
557713d8 RS |
47 | #endif |
48 | #ifndef WSTOPSIG | |
1f0bb0ab | 49 | #define WSTOPSIG(status) WEXITSTATUS(status) |
557713d8 RS |
50 | #endif |
51 | #ifndef WTERMSIG | |
1f0bb0ab | 52 | #define WTERMSIG(status) ((status) & 0x7f) |
557713d8 | 53 | #endif |
d72c1cad | 54 | |
1f0bb0ab DL |
55 | #undef WRETCODE |
56 | #define WRETCODE(status) WEXITSTATUS (status) | |
d72c1cad | 57 | |
d72c1cad DL |
58 | |
59 | #endif /* EMACS_SYSWAIT_H */ | |
ab5796a9 MB |
60 | |
61 | /* arch-tag: 7e5d9719-ec66-4b6f-89bb-563eea16a899 | |
62 | (do not change this comment) */ |