2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * See files README, COPYING and CREDITS in the root of the source
23 * tree for related information and legal notices. It is expected
24 * that future projects/authors will amend these files as needed.
28 * posix.c: Thread-related code common to POSIX systems
30 * Known contributors to this file:
31 * Markus Armbruster, 2006
38 #include "empthread.h"
40 #include "prototypes.h"
42 static void panic(int sig);
45 empth_init_signals(void)
50 sigemptyset(&act.sa_mask);
51 act.sa_handler = panic;
52 sigaction(SIGBUS, &act, NULL);
53 sigaction(SIGSEGV, &act, NULL);
54 sigaction(SIGILL, &act, NULL);
55 sigaction(SIGFPE, &act, NULL);
56 act.sa_handler = SIG_IGN;
57 sigaction(SIGPIPE, &act, NULL);
60 /* we're going down. try to close the files at least */
67 sigemptyset(&act.sa_mask);
68 act.sa_handler = SIG_DFL;
69 sigaction(SIGBUS, &act, NULL);
70 sigaction(SIGSEGV, &act, NULL);
71 sigaction(SIGILL, &act, NULL);
72 sigaction(SIGFPE, &act, NULL);
75 * This code calls functions that are not safe to call from a
76 * signal handler! That could probably be rectified with some
77 * effort. However, we're already in a bad state. Is it wise to
78 * flush that state to disk, possibly overwriting good state?
79 * FIXME make the code safe as far as practical
81 logerror("server received fatal signal %d", sig);
85 /* End of unsafe code */
87 if (CANT_HAPPEN(sig != SIGBUS && sig != SIGSEGV
88 && sig != SIGILL && sig != SIGFPE))