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signal_handler.c

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/***************************************************************************
                              signal_handler.c
                             -------------------
    begin                : Thu Dec 6 2001
    copyright            : (C) 2001-2002 by Christian Hoenig & Gunter Ohrner
    email                : pdepp@CustomCDROM.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include "common.h"

#include <signal.h>

#include "signal_handler.h"

#include "server.h"


void sgnlSigInt(int id)
{
  caught_signal = id;
  //running is a global variable, wich keeps the main loop running, here we stop it
  running = false;
}

void sgnlSigHup(int id)
{
  caught_signal = id;
  //running is a global variable, wich keeps the main loop running, here we stop it
  running = false;
}

void sgnlSigTerm(int id)
{
  caught_signal = id;
  //running is a global variable, wich keeps the main loop running, here we stop it
  running = false;
}

void sgnlSigUsr1(int id)
{
  caught_signal = id;
  ;
}

#ifndef NDEBUG

void sgnlSigRecord(int id)
{
  caught_signal = id;
}
#else

# define sgnlSigRecord SIG_IGN
#endif



//initializes the signalhandler
void sgnlInit()
{
  /* #ifndef NDEBUG
  int i;

  for(i = 1; i < 36; ++i)
  {
    signal( i , sgnlSigRecord );
  }
  #endif */

  caught_signal = 0;


  //define the signalhandler for the different signals
  signal( SIGINT  , sgnlSigInt );
  signal( SIGHUP  , sgnlSigHup );
  signal( SIGTERM , sgnlSigTerm );
  //for logfile shuffling
  signal( SIGUSR1 , sgnlSigUsr1 );

  //I ignore those signals:
  signal( SIGPIPE , sgnlSigRecord );
  signal( SIGUSR2 , sgnlSigRecord );
}

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