[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 Quagga; see the file COPYING.  If not, write to the Free
 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, 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
c49b3069	1	/*
	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	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with Quagga; see the file COPYING. If not, write to the Free
	20	* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
	21	* 02111-1307, USA.
	22	*/
	23
	24	#ifndef _QUAGGA_SIGNAL_H
	25	#define _QUAGGA_SIGNAL_H
05c447dd	26
c49b3069	27	#include <thread.h>
	28
	29	#define QUAGGA_SIGNAL_TIMER_INTERVAL 2L
c49b3069	30
	31	struct quagga_signal_t
	32	{
	33	int signal; /* signal number */
	34	void (handler) (void); / handler to call */
	35
	36	volatile sig_atomic_t caught; /* private member */
	37	};
	38
	39	/* initialise sigevent system
	40	* takes:
	41	* - pointer to valid struct thread_master
	42	* - number of elements in passed in signals array
	43	* - array of quagga_signal_t's describing signals to handle
	44	* and handlers to use for each signal
	45	*/
8cc4198f	46	extern void signal_init (struct thread_master *m, int sigc,
c49b3069	47	struct quagga_signal_t *signals);
c49b3069	48
05c447dd	49	/* check whether there are signals to handle, process any found */
8cc4198f	50	extern int quagga_sigevent_process (void);
05c447dd	51
c49b3069	52	#endif /* _QUAGGA_SIGNAL_H */