1/* $NetBSD: signal.h,v 1.29 2008/11/19 18:35:59 ad 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. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * @(#)signal.h 7.16 (Berkeley) 3/17/91
32 */
33
34#ifndef _I386_SIGNAL_H_
35#define _I386_SIGNAL_H_
36
37#include <sys/featuretest.h>
38
39typedef int sig_atomic_t;
40
41#if defined(_NETBSD_SOURCE)
42/*
43 * Get the "code" values
44 */
45#include <machine/trap.h>
46
47#if defined(_KERNEL)
48/*
49 * Information pushed on stack when a signal is delivered.
50 * This is used by the kernel to restore state following
51 * execution of the signal handler. It is also made available
52 * to the handler to allow it to restore state properly if
53 * a non-standard exit is performed.
54 */
55struct sigcontext13 {
56 int sc_gs;
57 int sc_fs;
58 int sc_es;
59 int sc_ds;
60 int sc_edi;
61 int sc_esi;
62 int sc_ebp;
63 int sc_ebx;
64 int sc_edx;
65 int sc_ecx;
66 int sc_eax;
67 /* XXX */
68 int sc_eip;
69 int sc_cs;
70 int sc_eflags;
71 int sc_esp;
72 int sc_ss;
73
74 int sc_onstack; /* sigstack state to restore */
75 int sc_mask; /* signal mask to restore (old style) */
76
77 int sc_trapno; /* XXX should be above */
78 int sc_err;
79};
80
81struct sigcontext {
82 int sc_gs;
83 int sc_fs;
84 int sc_es;
85 int sc_ds;
86 int sc_edi;
87 int sc_esi;
88 int sc_ebp;
89 int sc_ebx;
90 int sc_edx;
91 int sc_ecx;
92 int sc_eax;
93 /* XXX */
94 int sc_eip;
95 int sc_cs;
96 int sc_eflags;
97 int sc_esp;
98 int sc_ss;
99
100 int sc_onstack; /* sigstack state to restore */
101 int __sc_mask13; /* signal mask to restore (old style) */
102
103 int sc_trapno; /* XXX should be above */
104 int sc_err;
105
106 sigset_t sc_mask; /* signal mask to restore (new style) */
107};
108#endif /* _KERNEL */
109
110#endif /* _NETBSD_SOURCE */
111#endif /* !_I386_SIGNAL_H_ */
112