signal.h revision 51792 
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 * $FreeBSD: head/sys/amd64/include/signal.h 51792 1999-09-29 15:06:27Z marcel $
35 */
36
37#ifndef _MACHINE_SIGNAL_H_
38#define	_MACHINE_SIGNAL_H_
39
40/*
41 * Machine-dependent signal definitions
42 */
43
44typedef int sig_atomic_t;
45
46#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
47
48#include <machine/trap.h>	/* codes for SIGILL, SIGFPE */
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 */
57typedef unsigned int osigset_t;
58
59struct	osigcontext {
60	int		sc_onstack;	/* sigstack state to restore */
61	osigset_t	sc_mask;	/* signal mask to restore */
62	int		sc_esp;		/* machine state */
63	int		sc_ebp;
64	int		sc_isp;
65	int		sc_eip;
66	int		sc_efl;
67	int		sc_es;
68	int		sc_ds;
69	int		sc_cs;
70	int		sc_ss;
71	int		sc_edi;
72	int		sc_esi;
73	int		sc_ebx;
74	int		sc_edx;
75	int		sc_ecx;
76	int		sc_eax;
77	int		sc_gs;
78	int		sc_fs;
79#define sc_sp		sc_esp
80#define sc_fp		sc_ebp
81#define sc_pc		sc_eip
82#define sc_ps		sc_efl
83#define sc_eflags	sc_efl
84	int		sc_trapno;
85	int		sc_err;
86};
87
88#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
89
90#endif /* !_MACHINE_SIGNAL_H_ */
91