1/*	$OpenBSD: signal.h,v 1.2 1999/01/27 04:10:03 imp Exp $	*/
2
3/*
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 * Copyright (c) 1992, 1993
7 *	The Regents of the University of California.  All rights reserved.
8 *
9 * This code is derived from software contributed to Berkeley by
10 * Ralph Campbell.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in the
19 *    documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 *	@(#)signal.h	8.1 (Berkeley) 6/10/93
37 *	JNPR: signal.h,v 1.4 2007/01/08 04:58:37 katta
38 * $FreeBSD$
39 */
40
41#ifndef _MACHINE_SIGNAL_H_
42#define	_MACHINE_SIGNAL_H_
43
44#include <sys/cdefs.h>
45#include <sys/_sigset.h>
46
47/*
48 * Machine-dependent signal definitions
49 */
50
51typedef int sig_atomic_t;
52
53#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
54/*
55 * Information pushed on stack when a signal is delivered.
56 * This is used by the kernel to restore state following
57 * execution of the signal handler.  It is also made available
58 * to the handler to allow it to restore state properly if
59 * a non-standard exit is performed.
60 */
61
62struct	sigcontext {
63	/*
64	 * The fields following 'sc_mask' must match the definition
65	 * of struct __mcontext. That way we can support
66	 * struct sigcontext and ucontext_t at the same
67	 * time.
68	 */
69	__sigset_t	sc_mask;	/* signal mask to restore */
70	int		sc_onstack;	/* sigstack state to restore */
71	__register_t	sc_pc;		/* pc at time of signal */
72	__register_t	sc_regs[32];	/* processor regs 0 to 31 */
73	__register_t	sr;		/* status register */
74	__register_t	mullo, mulhi;	/* mullo and mulhi registers... */
75	int		sc_fpused;	/* fp has been used */
76	f_register_t	sc_fpregs[33];	/* fp regs 0 to 31 and csr */
77	__register_t	sc_fpc_eir;	/* fp exception instruction reg */
78	void		*sc_tls;	/* pointer to TLS area */
79	int		__spare__[8];	/* XXX reserved */
80};
81
82#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
83
84#endif	/* !_MACHINE_SIGNAL_H_ */
85