signal.h revision 1.9 
1/*	$NetBSD: signal.h,v 1.9 1998/09/12 00:47:13 mycroft Exp $	*/
2
3/*
4 * Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by the University of
18 *	California, Berkeley and its contributors.
19 * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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 *	@(#)signal.h	7.16 (Berkeley) 3/17/91
36 */
37
38#ifndef _I386_SIGNAL_H_
39#define _I386_SIGNAL_H_
40
41typedef int sig_atomic_t;
42
43#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
44    !defined(_XOPEN_SOURCE)
45/*
46 * Get the "code" values
47 */
48#include <machine/trap.h>
49
50/*
51 * Information pushed on stack when a signal is delivered.
52 * This is used by the kernel to restore state following
53 * execution of the signal handler.  It is also made available
54 * to the handler to allow it to restore state properly if
55 * a non-standard exit is performed.
56 */
57struct	sigcontext {
58	int	sc_gs;
59	int	sc_fs;
60	int	sc_es;
61	int	sc_ds;
62	int	sc_edi;
63	int	sc_esi;
64	int	sc_ebp;
65	int	sc_ebx;
66	int	sc_edx;
67	int	sc_ecx;
68	int	sc_eax;
69	/* XXX */
70	int	sc_eip;
71	int	sc_cs;
72	int	sc_eflags;
73	int	sc_esp;
74	int	sc_ss;
75
76	int	sc_onstack;		/* sigstack state to restore */
77	sigset13_t sc_oldmask;		/* signal mask to restore (old style) */
78
79	int	sc_trapno;		/* XXX should be above */
80	int	sc_err;
81
82	sigset_t sc_mask;		/* signal mask to restore */
83};
84
85#define sc_sp sc_esp
86#define sc_fp sc_ebp
87#define sc_pc sc_eip
88#define sc_ps sc_eflags
89
90#endif	/* !_ANSI_SOURCE && !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
91#endif	/* !_I386_SIGNAL_H_ */
92