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
26
27#include <thread.h>
28
29#define QUAGGA_SIGNAL_TIMER_INTERVAL 2L
30
31struct 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 */
46extern void signal_init (struct thread_master *m, int sigc,
47                         struct quagga_signal_t *signals);
48
49/* check whether there are signals to handle, process any found */
50extern int quagga_sigevent_process (void);
51
52#endif /* _QUAGGA_SIGNAL_H */
53