HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 43626ea4 | 1 | /* Define wait system call interface for Emacs. |
| ba318903 | 2 | Copyright (C) 1993-1995, 2000-2014 Free Software Foundation, Inc. |
| 43626ea4 RS |
3 | |
| 4 | This file is part of GNU Emacs. | |
| 5 | ||
| b9b1cc14 | 6 | GNU Emacs is free software: you can redistribute it and/or modify |
| 43626ea4 | 7 | it under the terms of the GNU General Public License as published by |
| b9b1cc14 GM |
8 | the Free Software Foundation, either version 3 of the License, or |
| 9 | (at your option) any later version. | |
| 43626ea4 RS |
10 | |
| 11 | GNU Emacs is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| b9b1cc14 | 17 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 43626ea4 RS |
18 | |
| 19 | /* Define the structure that the wait system call stores. | |
| 20 | On many systems, there is a structure defined for this. | |
| 21 | But on vanilla-ish USG systems there is not. */ | |
| 22 | ||
| d72c1cad DL |
23 | #ifndef EMACS_SYSWAIT_H |
| 24 | #define EMACS_SYSWAIT_H | |
| 25 | ||
| d72c1cad | 26 | #include <sys/types.h> |
| 1f0bb0ab | 27 | |
| c91c771d | 28 | #ifdef HAVE_SYS_WAIT_H /* We have sys/wait.h with POSIXish definitions. */ |
| d72c1cad | 29 | #include <sys/wait.h> |
| 557713d8 RS |
30 | #endif /* !HAVE_SYS_WAIT_H */ |
| 31 | ||
| d355cad6 PE |
32 | #ifndef WCONTINUED |
| 33 | #define WCONTINUED 8 | |
| 34 | #endif | |
| 35 | ||
| 1f0bb0ab DL |
36 | #ifndef WCOREDUMP /* not POSIX */ |
| 37 | #define WCOREDUMP(status) ((status) & 0x80) | |
| d72c1cad | 38 | #endif |
| 557713d8 | 39 | #ifndef WEXITSTATUS |
| 1f0bb0ab | 40 | #define WEXITSTATUS(status) (((status) & 0xff00) >> 8) |
| 557713d8 RS |
41 | #endif |
| 42 | #ifndef WIFEXITED | |
| 1f0bb0ab | 43 | #define WIFEXITED(status) (WTERMSIG(status) == 0) |
| 557713d8 RS |
44 | #endif |
| 45 | #ifndef WIFSTOPPED | |
| 1f0bb0ab | 46 | #define WIFSTOPPED(status) (((status) & 0xff) == 0x7f) |
| 557713d8 RS |
47 | #endif |
| 48 | #ifndef WIFSIGNALED | |
| 1f0bb0ab | 49 | #define WIFSIGNALED(status) (!WIFSTOPPED(status) && !WIFEXITED(status)) |
| 557713d8 RS |
50 | #endif |
| 51 | #ifndef WSTOPSIG | |
| 1f0bb0ab | 52 | #define WSTOPSIG(status) WEXITSTATUS(status) |
| 557713d8 RS |
53 | #endif |
| 54 | #ifndef WTERMSIG | |
| 1f0bb0ab | 55 | #define WTERMSIG(status) ((status) & 0x7f) |
| 557713d8 | 56 | #endif |
| d72c1cad | 57 | |
| afea8a8a | 58 | /* Defined in sysdep.c. */ |
| bb5f74ee PE |
59 | extern void wait_for_termination (pid_t, int *, bool); |
| 60 | extern pid_t child_status_changed (pid_t, int *, int); | |
| afea8a8a | 61 | |
| d72c1cad | 62 | #endif /* EMACS_SYSWAIT_H */ |