Update copyright year to 2014 by running admin/update-copyright.
[bpt/emacs.git] / src / syssignal.h
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9ab9afa9 1/* syssignal.h - System-dependent definitions for signals.
99cf43f9 2
ba318903 3Copyright (C) 1993, 1999, 2001-2014 Free Software Foundation, Inc.
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4
5This file is part of GNU Emacs.
6
b9b1cc14 7GNU Emacs is free software: you can redistribute it and/or modify
9ab9afa9 8it under the terms of the GNU General Public License as published by
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9the Free Software Foundation, either version 3 of the License, or
10(at your option) any later version.
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11
12GNU Emacs is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
b9b1cc14 18along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
9ab9afa9 19
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20#include <signal.h>
21
4d7e6e51 22extern void init_signals (bool);
2b98b088 23
ae9e757a 24#ifdef HAVE_PTHREAD
333f1b6f 25#include <pthread.h>
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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
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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))
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37# define PROFILER_CPU_SUPPORT
38#endif
39
1fa53021 40extern sigset_t empty_mask;
9ab9afa9 41
9af30bdf 42typedef void (*signal_handler_t) (int);
ae877222 43
2fe28299 44extern void emacs_sigaction_init (struct sigaction *, signal_handler_t);
c622b48f 45char const *safe_strsignal (int) ATTRIBUTE_CONST;
2fe28299 46
68c45bf0 47#if NSIG < NSIG_MINIMUM
2fe28299 48# undef NSIG
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49# define NSIG NSIG_MINIMUM
50#endif
51
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52#ifndef SA_SIGINFO
53# define SA_SIGINFO 0
54#endif
55
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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 64void deliver_process_signal (int, signal_handler_t);