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Annotation of embedaddon/quagga/lib/sigevent.h, revision 1.1.1.1

1.1       misho       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 */