signal.h revision 1817 
1/*
2 * Copyright (c) 1986, 1989, 1991, 1993
3 *	The Regents of the University of California.  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 *	@(#)signal.h	8.1 (Berkeley) 6/11/93
34 * $Id$
35 */
36
37/*
38 * Machine-dependent signal definitions
39 */
40
41typedef int sig_atomic_t;
42
43#ifndef _POSIX_SOURCE
44#include <machine/trap.h>	/* codes for SIGILL, SIGFPE */
45#endif
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#  define sc_sp sc_esp
73#  define sc_fp sc_ebp
74#  define sc_pc sc_eip
75#  define sc_ps sc_efl
76};
77