1/*	$OpenBSD: signal.h,v 1.7 2016/05/10 18:39:47 deraadt Exp $	*/
2/*	$NetBSD: signal.h,v 1.12 2005/12/11 12:18:58 christos Exp $	*/
3
4/*
5 * Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California.
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 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 *	@(#)signal.h	7.16 (Berkeley) 3/17/91
33 */
34
35#ifndef _SH_SIGNAL_H_
36#define	_SH_SIGNAL_H_
37
38#include <sys/cdefs.h>
39
40typedef int sig_atomic_t;
41
42#if __BSD_VISIBLE || __XPG_VISIBLE >= 420
43
44/*
45 * Information pushed on stack when a signal is delivered.
46 * This is used by the kernel to restore state following
47 * execution of the signal handler.  It is also made available
48 * to the handler to allow it to restore state properly if
49 * a non-standard exit is performed.
50 */
51struct sigcontext {
52	int	sc_reg[21];
53	int	sc_fpreg[34];
54
55	long	sc_cookie;
56
57	int	sc_expevt;	/* XXX should be above */
58	int	sc_err;
59
60	int	sc_mask;	/* signal mask to restore */
61};
62
63#endif	/* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
64#endif	/* !_SH_SIGNAL_H_ */
65