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/* Copyright (C) 1992 Free Software Foundation, Inc.
Written by James Clark (jjc@jclark.com)
This file is part of groff.
groff 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.
groff 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 groff; see the file COPYING. If not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Unfortunately vendors seem to have problems writing a <signal.h>
that is correct for C++, so we implement all signal handling in C. */
#include <sys/types.h>
#include <signal.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifndef RETSIGTYPE
#define RETSIGTYPE void
#endif
extern void cleanup();
static RETSIGTYPE handle_fatal_signal(signum)
int signum;
{
signal(signum, SIG_DFL);
cleanup();
kill(getpid(), signum);
}
void catch_fatal_signals()
{
#ifdef SIGHUP
signal(SIGHUP, handle_fatal_signal);
#endif
signal(SIGINT, handle_fatal_signal);
signal(SIGTERM, handle_fatal_signal);
}
#ifndef HAVE_RENAME
void ignore_fatal_signals()
{
#ifdef SIGHUP
signal(SIGHUP, SIG_IGN);
#endif
signal(SIGINT, SIG_IGN);
signal(SIGTERM, SIG_IGN);
}
#endif /* not HAVE_RENAME */
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