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
  16   along with this program; see the file COPYING; if not, write to the
  17   Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  18   MA 02110-1301 USA
  19 */
  20
  21 #include <zebra.h>
  22
  23 #include <signal.h>
  24
  25 #include "sigevent.h"
  26 #include "memory.h"
  27 #include "log.h"
  28 #include "if.h"
  29
  30 #include "pim_signals.h"
  31 #include "pimd.h"
  32
  33 /*
  34  * Signal handlers
  35  */
  36
  37 static void pim_sighup()
  38 {
  39   zlog_info ("SIGHUP received, ignoring");
  40 }
  41
  42 static void pim_sigint()
  43 {
  44   zlog_notice("Terminating on signal SIGINT");
  45   pim_terminate();
  46   exit(1);
  47 }
  48
  49 static void pim_sigterm()
  50 {
  51   zlog_notice("Terminating on signal SIGTERM");
  52   pim_terminate();
  53   exit(1);
  54 }
  55
  56 static void pim_sigusr1()
  57 {
  58   zlog_rotate (NULL);
  59 }
  60
  61 static struct quagga_signal_t pimd_signals[] =
  62 {
  63   {
  64    .signal = SIGHUP,
  65    .handler = &pim_sighup,
  66    },
  67   {
  68    .signal = SIGUSR1,
  69    .handler = &pim_sigusr1,
  70    },
  71   {
  72    .signal = SIGINT,
  73    .handler = &pim_sigint,
  74    },
  75   {
  76    .signal = SIGTERM,
  77    .handler = &pim_sigterm,
  78    },
  79 };
  80
  81 void pim_signals_init()
  82 {
  83   signal_init(master, array_size(pimd_signals), pimd_signals);
  84 }
  85