pimd/pim_signals.c

   1 /*
   2  * PIM for Quagga
   3  * Copyright (C) 2008  Everton da Silva Marques
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; see the file COPYING; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  18  */
  19
  20 #include <zebra.h>
  21
  22 #include <signal.h>
  23
  24 #include "sigevent.h"
  25 #include "memory.h"
  26 #include "log.h"
  27 #include "if.h"
  28
  29 #include "pim_signals.h"
  30 #include "pimd.h"
  31
  32 /*
  33  * Signal handlers
  34  */
  35
  36 static void pim_sighup()
  37 {
  38   zlog_info ("SIGHUP received, ignoring");
  39 }
  40
  41 static void pim_sigint()
  42 {
  43   zlog_notice("Terminating on signal SIGINT");
  44   pim_terminate();
  45   exit(1);
  46 }
  47
  48 static void pim_sigterm()
  49 {
  50   zlog_notice("Terminating on signal SIGTERM");
  51   pim_terminate();
  52   exit(1);
  53 }
  54
  55 static void pim_sigusr1()
  56 {
  57   zlog_rotate();
  58 }
  59
  60 struct quagga_signal_t pimd_signals[] =
  61 {
  62   {
  63    .signal = SIGHUP,
  64    .handler = &pim_sighup,
  65    },
  66   {
  67    .signal = SIGUSR1,
  68    .handler = &pim_sigusr1,
  69    },
  70   {
  71    .signal = SIGINT,
  72    .handler = &pim_sigint,
  73    },
  74   {
  75    .signal = SIGTERM,
  76    .handler = &pim_sigterm,
  77    },
  78 };