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