HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 9ab9afa9 | 1 | /* syssignal.h - System-dependent definitions for signals. |
| 99cf43f9 GM |
2 | |
| 3 | Copyright (C) 1993, 1999, 2001-2012 Free Software Foundation, Inc. | |
| 9ab9afa9 JB |
4 | |
| 5 | This file is part of GNU Emacs. | |
| 6 | ||
| b9b1cc14 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
| 9ab9afa9 | 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. | |
| 9ab9afa9 JB |
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/>. */ |
| 9ab9afa9 | 19 | |
| 2fe28299 | 20 | #include <signal.h> |
| 4d7e6e51 | 21 | #include <stdbool.h> |
| 2fe28299 | 22 | |
| 4d7e6e51 | 23 | extern void init_signals (bool); |
| 2b98b088 | 24 | |
| ae9e757a | 25 | #ifdef HAVE_PTHREAD |
| 333f1b6f | 26 | #include <pthread.h> |
| f8240abd YM |
27 | /* If defined, asynchronous signals delivered to a non-main thread are |
| 28 | forwarded to the main thread. */ | |
| 29 | #define FORWARD_SIGNAL_TO_MAIN_THREAD | |
| 30 | #endif | |
| 31 | ||
| 1fa53021 | 32 | extern sigset_t empty_mask; |
| 9ab9afa9 | 33 | |
| 9af30bdf | 34 | typedef void (*signal_handler_t) (int); |
| ae877222 | 35 | |
| 2fe28299 PE |
36 | extern void emacs_sigaction_init (struct sigaction *, signal_handler_t); |
| 37 | ||
| 68c45bf0 | 38 | #if NSIG < NSIG_MINIMUM |
| 2fe28299 | 39 | # undef NSIG |
| 68c45bf0 PE |
40 | # define NSIG NSIG_MINIMUM |
| 41 | #endif | |
| 42 | ||
| 4d7e6e51 PE |
43 | #ifndef emacs_raise |
| 44 | # define emacs_raise(sig) raise (sig) | |
| 45 | #endif | |
| 46 | ||
| 9ab9afa9 JB |
47 | /* On bsd, [man says] kill does not accept a negative number to kill a pgrp. |
| 48 | Must do that using the killpg call. */ | |
| 6df54671 | 49 | #ifdef BSD_SYSTEM |
| 9ab9afa9 JB |
50 | #define EMACS_KILLPG(gid, signo) (killpg ( (gid), (signo))) |
| 51 | #else | |
| 57d65592 | 52 | #ifdef WINDOWSNT |
| f405affb | 53 | #define EMACS_KILLPG(gid, signo) (kill (gid, signo)) |
| 57d65592 | 54 | #else |
| 9ab9afa9 JB |
55 | #define EMACS_KILLPG(gid, signo) (kill (-(gid), (signo))) |
| 56 | #endif | |
| 57d65592 | 57 | #endif |
| 9ab9afa9 JB |
58 | |
| 59 | /* Define SIGCHLD as an alias for SIGCLD. There are many conditionals | |
| 60 | testing SIGCHLD. */ | |
| 9ab9afa9 JB |
61 | #ifdef SIGCLD |
| 62 | #ifndef SIGCHLD | |
| 63 | #define SIGCHLD SIGCLD | |
| 985a35a3 JB |
64 | #endif /* SIGCHLD */ |
| 65 | #endif /* ! defined (SIGCLD) */ | |
| 68c45bf0 PE |
66 | |
| 67 | #ifndef HAVE_STRSIGNAL | |
| 68 | /* strsignal is in sysdep.c */ | |
| 361358ea | 69 | char *strsignal (int); |
| 68c45bf0 | 70 | #endif |
| ab5796a9 | 71 | |
| 4d7e6e51 | 72 | void deliver_process_signal (int, signal_handler_t); |