1/* $OpenBSD: signal.h,v 1.2 2017/03/12 17:57:12 kettenis Exp $ */
2/*
3 * Copyright (c) 1992, 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * Ralph Campbell.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)signal.h 8.1 (Berkeley) 6/10/93
34 */
35
36#ifndef _MACHINE_SIGNAL_H_
37#define _MACHINE_SIGNAL_H_
38
39#include <sys/cdefs.h>
40
41typedef int sig_atomic_t;
42
43#if __BSD_VISIBLE || __XPG_VISIBLE >= 420
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_unused;
53 int sc_mask; /* signal mask to restore */
54
55 unsigned long sc_sp;
56 unsigned long sc_lr;
57 unsigned long sc_elr;
58 unsigned long sc_spsr;
59 unsigned long sc_x[30];
60
61 long sc_cookie;
62};
63#endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
64#endif /* !_MACHINE_SIGNAL_H_ */