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   $QuaggaId: $Format:%an, %ai, %h$ $
  21 */
  22
  23 #include <zebra.h>
  24
  25 #include <signal.h>
  26
  27 #include "sigevent.h"
  28 #include "memory.h"
  29 #include "log.h"
  30 #include "if.h"
  31
  32 #include "pim_signals.h"
  33 #include "pimd.h"
  34
  35 /*
  36  * Signal handlers
  37  */
  38
  39 static void pim_sighup()
  40 {
  41   zlog_info ("SIGHUP received, ignoring");
  42 }
  43
  44 static void pim_sigint()
  45 {
  46   zlog_notice("Terminating on signal SIGINT");
  47   pim_terminate();
  48   exit(1);
  49 }
  50
  51 static void pim_sigterm()
  52 {
  53   zlog_notice("Terminating on signal SIGTERM");
  54   pim_terminate();
  55   exit(1);
  56 }
  57
  58 static void pim_sigusr1()
  59 {
  60   zlog_info ("SIGUSR1 received");
  61   zlog_rotate (NULL);
  62 }
  63
  64 static struct quagga_signal_t pimd_signals[] =
  65 {
  66   {
  67    .signal = SIGHUP,
  68    .handler = &pim_sighup,
  69    },
  70   {
  71    .signal = SIGUSR1,
  72    .handler = &pim_sigusr1,
  73    },
  74   {
  75    .signal = SIGINT,
  76    .handler = &pim_sigint,
  77    },
  78   {
  79    .signal = SIGTERM,
  80    .handler = &pim_sigterm,
  81    },
  82 };
  83
  84 void pim_signals_init()
  85 {
  86   signal_init(master, array_size(pimd_signals), pimd_signals);
  87 }
  88