/* GNU mailutils - a suite of utilities for electronic mail
   Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.

   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, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */


#include "pop3d.h"

RETSIGTYPE
pop3d_sigchld (int signo)
{
  pid_t pid;
  int status;

  while ( (pid = waitpid(-1, &status, WNOHANG)) > 0)
      --children;
#ifndef HAVE_SIGACTION
  /* On some system, signal implements the unreliable semantic and
     has to be rearm.  */
  signal (signo, pop3d_sigchld);
#endif
}

/* Default signal handler to call the pop3d_abquit() function */

RETSIGTYPE
pop3d_signal (int signo)
{
  syslog (LOG_CRIT, "got signal %s", strsignal(signo));
  /* Master process.  */
  if (!ofile)
    {
       syslog (LOG_CRIT, "MASTER: exiting on signal");
       exit (EXIT_FAILURE); /* abort(); */
    }

  if (signo == SIGALRM)
    pop3d_abquit (ERR_TIMEOUT);
  pop3d_abquit (ERR_SIGNAL);
}