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: #define Q_SIGC(sig) (sizeof(sig)/sizeof(sig[0]))
31:
32: struct quagga_signal_t
33: {
34: int signal; /* signal number */
35: void (*handler) (void); /* handler to call */
36:
37: volatile sig_atomic_t caught; /* private member */
38: };
39:
40: /* initialise sigevent system
41: * takes:
42: * - pointer to valid struct thread_master
43: * - number of elements in passed in signals array
44: * - array of quagga_signal_t's describing signals to handle
45: * and handlers to use for each signal
46: */
47: extern void signal_init (struct thread_master *m, int sigc,
48: struct quagga_signal_t *signals);
49:
50: /* check whether there are signals to handle, process any found */
51: extern int quagga_sigevent_process (void);
52:
53: #endif /* _QUAGGA_SIGNAL_H */
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