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9ab9afa9 | 1 | /* syssignal.h - System-dependent definitions for signals. |
99cf43f9 | 2 | |
ba318903 | 3 | Copyright (C) 1993, 1999, 2001-2014 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 PE |
20 | #include <signal.h> |
21 | ||
4d7e6e51 | 22 | extern void init_signals (bool); |
2b98b088 | 23 | |
ae9e757a | 24 | #ifdef HAVE_PTHREAD |
333f1b6f | 25 | #include <pthread.h> |
f8240abd YM |
26 | /* If defined, asynchronous signals delivered to a non-main thread are |
27 | forwarded to the main thread. */ | |
28 | #define FORWARD_SIGNAL_TO_MAIN_THREAD | |
29 | #endif | |
30 | ||
2b794d69 PE |
31 | #if defined HAVE_TIMER_SETTIME && defined SIGEV_SIGNAL |
32 | # define HAVE_ITIMERSPEC | |
33 | #endif | |
34 | ||
35 | #if (defined SIGPROF && !defined PROFILING \ | |
36 | && (defined HAVE_SETITIMER || defined HAVE_ITIMERSPEC)) | |
d89460ed PE |
37 | # define PROFILER_CPU_SUPPORT |
38 | #endif | |
39 | ||
1fa53021 | 40 | extern sigset_t empty_mask; |
9ab9afa9 | 41 | |
9af30bdf | 42 | typedef void (*signal_handler_t) (int); |
ae877222 | 43 | |
2fe28299 | 44 | extern void emacs_sigaction_init (struct sigaction *, signal_handler_t); |
c622b48f | 45 | char const *safe_strsignal (int) ATTRIBUTE_CONST; |
2fe28299 | 46 | |
68c45bf0 | 47 | #if NSIG < NSIG_MINIMUM |
2fe28299 | 48 | # undef NSIG |
68c45bf0 PE |
49 | # define NSIG NSIG_MINIMUM |
50 | #endif | |
51 | ||
f019a684 PE |
52 | #ifndef SA_SIGINFO |
53 | # define SA_SIGINFO 0 | |
54 | #endif | |
55 | ||
4d7e6e51 PE |
56 | #ifndef emacs_raise |
57 | # define emacs_raise(sig) raise (sig) | |
58 | #endif | |
59 | ||
68c45bf0 | 60 | #ifndef HAVE_STRSIGNAL |
aa1ba90e | 61 | # define strsignal(sig) safe_strsignal (sig) |
68c45bf0 | 62 | #endif |
ab5796a9 | 63 | |
4d7e6e51 | 64 | void deliver_process_signal (int, signal_handler_t); |