1/*	$NetBSD$	*/
2
3/*
4 * Copyright (c) 1997 - 2007 Kungliga Tekniska H��gskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of the Institute nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#include "iprop.h"
37__RCSID("$NetBSD$");
38
39sig_atomic_t exit_flag;
40
41static RETSIGTYPE
42sigterm(int sig)
43{
44    exit_flag = sig;
45}
46
47void
48setup_signal(void)
49{
50#ifdef HAVE_SIGACTION
51    {
52	struct sigaction sa;
53
54	sa.sa_flags = 0;
55	sa.sa_handler = sigterm;
56	sigemptyset(&sa.sa_mask);
57
58	sigaction(SIGINT, &sa, NULL);
59	sigaction(SIGTERM, &sa, NULL);
60	sigaction(SIGXCPU, &sa, NULL);
61
62	sa.sa_handler = SIG_IGN;
63	sigaction(SIGPIPE, &sa, NULL);
64    }
65#else
66    signal(SIGINT, sigterm);
67    signal(SIGTERM, sigterm);
68#ifndef NO_SIGXCPU
69    signal(SIGXCPU, sigterm);
70#endif
71#ifndef NO_SIGPIPE
72    signal(SIGPIPE, SIG_IGN);
73#endif
74#endif
75}
76