[mirror_frr.git] / lib / sigevent.h

/*
 * Quagga Signal handling header.
 *
 * Copyright (C) 2004 Paul Jakma.
 *
 * This file is part of Quagga.
 *
 * Quagga 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 2, or (at your option) any
 * later version.
 *
 * Quagga 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 this program; see the file COPYING; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef _QUAGGA_SIGNAL_H
#define _QUAGGA_SIGNAL_H

#include <thread.h>

#define QUAGGA_SIGNAL_TIMER_INTERVAL 2L

struct quagga_signal_t {
	int signal;	    /* signal number    */
	void (*handler)(void); /* handler to call  */

	volatile sig_atomic_t caught; /* private member   */
};

/* initialise sigevent system
 * takes:
 * - pointer to valid struct thread_master
 * - number of elements in passed in signals array
 * - array of quagga_signal_t's describing signals to handle
 *   and handlers to use for each signal
 */
extern void signal_init(struct thread_master *m, int sigc,
			struct quagga_signal_t *signals);

/* check whether there are signals to handle, process any found */
extern int quagga_sigevent_process(void);

#endif /* _QUAGGA_SIGNAL_H */
Commit	Line	Data
d62a17ae	1	/*
c49b3069	2	* Quagga Signal handling header.
	3	*
	4	* Copyright (C) 2004 Paul Jakma.
	5	*
	6	* This file is part of Quagga.
	7	*
	8	* Quagga is free software; you can redistribute it and/or modify it
	9	* under the terms of the GNU General Public License as published by the
	10	* Free Software Foundation; either version 2, or (at your option) any
	11	* later version.
	12	*
	13	* Quagga is distributed in the hope that it will be useful, but
	14	* WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	16	* General Public License for more details.
	17	*
896014f4 DL	18	* You should have received a copy of the GNU General Public License along
	19	* with this program; see the file COPYING; if not, write to the Free Software
	20	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
c49b3069	21	*/
	22
	23	#ifndef _QUAGGA_SIGNAL_H
	24	#define _QUAGGA_SIGNAL_H
05c447dd	25
c49b3069	26	#include <thread.h>
	27
	28	#define QUAGGA_SIGNAL_TIMER_INTERVAL 2L
c49b3069	29
d62a17ae	30	struct quagga_signal_t {
	31	int signal; /* signal number */
	32	void (handler)(void); / handler to call */
c49b3069	33
d62a17ae	34	volatile sig_atomic_t caught; /* private member */
c49b3069	35	};
	36
	37	/* initialise sigevent system
	38	* takes:
	39	* - pointer to valid struct thread_master
	40	* - number of elements in passed in signals array
	41	* - array of quagga_signal_t's describing signals to handle
	42	* and handlers to use for each signal
	43	*/
d62a17ae	44	extern void signal_init(struct thread_master *m, int sigc,
d62a17ae	45	struct quagga_signal_t *signals);
c49b3069	46
05c447dd	47	/* check whether there are signals to handle, process any found */
d62a17ae	48	extern int quagga_sigevent_process(void);
05c447dd	49
c49b3069	50	#endif /* _QUAGGA_SIGNAL_H */