1 /* Copyright (C) 1992, 2001 Free Software Foundation, Inc.
2 Written by James Clark (jjc@jclark.com)
4 This file is part of groff.
6 groff is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2, or (at your option) any later
11 groff is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License along
17 with groff; see the file COPYING. If not, write to the Free Software
18 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
20 /* Unfortunately vendors seem to have problems writing a <signal.h>
21 that is correct for C++, so we implement all signal handling in C. */
27 #include <sys/types.h>
34 #define RETSIGTYPE void
37 extern void cleanup();
39 static RETSIGTYPE handle_fatal_signal(signum)
42 signal(signum, SIG_DFL);
44 kill(getpid(), signum);
47 void catch_fatal_signals()
50 signal(SIGHUP, handle_fatal_signal);
52 signal(SIGINT, handle_fatal_signal);
53 signal(SIGTERM, handle_fatal_signal);
58 void ignore_fatal_signals()
61 signal(SIGHUP, SIG_IGN);
63 signal(SIGINT, SIG_IGN);
64 signal(SIGTERM, SIG_IGN);
67 #endif /* not HAVE_RENAME */