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/* 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. */
#define __USE_MISC
#include "imap4d.h"
RETSIGTYPE
imap4d_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, imap4d_sigchld);
#endif
}
/* Default signal handler to call the imap4d_bye() function */
RETSIGTYPE
imap4d_signal (int signo)
{
syslog (LOG_CRIT, "got signal %s", strsignal (signo));
/* Master process. */
if (!ofile)
{
syslog (LOG_CRIT, "MASTER: exiting on signal");
exit (1); /* abort(); */
}
switch (signo)
{
case SIGALRM:
imap4d_bye (ERR_TIMEOUT);
case SIGPIPE:
exit (0);
default:
imap4d_bye (ERR_SIGNAL);
}
}
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