signal.h revision 1.1 
1/*
2 * Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. 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 *	from: @(#)signal.h	7.16 (Berkeley) 3/17/91
34 *	$Id: signal.h,v 1.1 1993/09/19 18:57:48 brezak Exp $
35 */
36
37#ifndef _MACHINE_SIGNAL_H_
38#define _MACHINE_SIGNAL_H_
39
40typedef int sig_atomic_t;
41
42/*
43 * Get the "code" values
44 */
45#include <machine/trap.h>
46
47/*
48 * Information pushed on stack when a signal is delivered.
49 * This is used by the kernel to restore state following
50 * execution of the signal handler.  It is also made available
51 * to the handler to allow it to restore state properly if
52 * a non-standard exit is performed.
53 */
54struct	sigcontext {
55	int	sc_onstack;		/* sigstack state to restore */
56	int	sc_mask;		/* signal mask to restore */
57	int	sc_esp;			/* machine state */
58        int     sc_ebp;
59        int     sc_isp;
60        int     sc_eip;
61        int     sc_efl;
62        int     sc_es;
63        int     sc_ds;
64        int     sc_cs;
65        int     sc_ss;
66        int     sc_edi;
67        int     sc_esi;
68        int     sc_ebx;
69        int     sc_edx;
70        int     sc_ecx;
71        int     sc_eax;
72};
73
74#define sc_sp sc_esp
75#define sc_fp sc_ebp
76#define sc_pc sc_eip
77#define sc_ps sc_efl
78
79#endif	/* _MACHINE_SIGNAL_H_ */
80