src/syssignal.h

/* syssignal.h - System-dependent definitions for signals.

Copyright (C) 1993, 1999, 2001-2014 Free Software Foundation, Inc.

This file is part of GNU Emacs.

GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */

#include <signal.h>

extern void init_signals (bool);
extern void block_child_signal (sigset_t *);
extern void unblock_child_signal (sigset_t const *);
extern void block_tty_out_signal (sigset_t *);
extern void unblock_tty_out_signal (sigset_t const *);

#ifdef HAVE_PTHREAD
#include <pthread.h>
/* If defined, asynchronous signals delivered to a non-main thread are
   forwarded to the main thread.  */
#define FORWARD_SIGNAL_TO_MAIN_THREAD
#endif

#if defined HAVE_TIMER_SETTIME && defined SIGEV_SIGNAL
# define HAVE_ITIMERSPEC
#endif

#if (defined SIGPROF && !defined PROFILING \
     && (defined HAVE_SETITIMER || defined HAVE_ITIMERSPEC))
# define PROFILER_CPU_SUPPORT
#endif

extern sigset_t empty_mask;

typedef void (*signal_handler_t) (int);

extern void emacs_sigaction_init (struct sigaction *, signal_handler_t);
char const *safe_strsignal (int) ATTRIBUTE_CONST;

#if NSIG < NSIG_MINIMUM
# undef NSIG
# define NSIG NSIG_MINIMUM
#endif

#ifndef SA_SIGINFO
# define SA_SIGINFO 0
#endif

#ifndef emacs_raise
# define emacs_raise(sig) raise (sig)
#endif

#ifndef HAVE_STRSIGNAL
# define strsignal(sig) safe_strsignal (sig)
#endif

void deliver_process_signal (int, signal_handler_t);
Commit	Line	Data
	1	/* syssignal.h - System-dependent definitions for signals.
	2
	3	Copyright (C) 1993, 1999, 2001-2014 Free Software Foundation, Inc.
	4
	5	This file is part of GNU Emacs.
	6
	7	GNU Emacs is free software: you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation, either version 3 of the License, or
	10	(at your option) any later version.
	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
	18	along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
	19
	20	#include <signal.h>
	21
	22	extern void init_signals (bool);
	23	extern void block_child_signal (sigset_t *);
	24	extern void unblock_child_signal (sigset_t const *);
	25	extern void block_tty_out_signal (sigset_t *);
	26	extern void unblock_tty_out_signal (sigset_t const *);
	27
	28	#ifdef HAVE_PTHREAD
	29	#include <pthread.h>
	30	/* If defined, asynchronous signals delivered to a non-main thread are
	31	forwarded to the main thread. */
	32	#define FORWARD_SIGNAL_TO_MAIN_THREAD
	33	#endif
	34
	35	#if defined HAVE_TIMER_SETTIME && defined SIGEV_SIGNAL
	36	# define HAVE_ITIMERSPEC
	37	#endif
	38
	39	#if (defined SIGPROF && !defined PROFILING \
	40	&& (defined HAVE_SETITIMER \|\| defined HAVE_ITIMERSPEC))
	41	# define PROFILER_CPU_SUPPORT
	42	#endif
	43
	44	extern sigset_t empty_mask;
	45
	46	typedef void (*signal_handler_t) (int);
	47
	48	extern void emacs_sigaction_init (struct sigaction *, signal_handler_t);
	49	char const *safe_strsignal (int) ATTRIBUTE_CONST;
	50
	51	#if NSIG < NSIG_MINIMUM
	52	# undef NSIG
	53	# define NSIG NSIG_MINIMUM
	54	#endif
	55
	56	#ifndef SA_SIGINFO
	57	# define SA_SIGINFO 0
	58	#endif
	59
	60	#ifndef emacs_raise
	61	# define emacs_raise(sig) raise (sig)
	62	#endif
	63
	64	#ifndef HAVE_STRSIGNAL
	65	# define strsignal(sig) safe_strsignal (sig)
	66	#endif
	67
	68	void deliver_process_signal (int, signal_handler_t);