1 /* $OpenBSD: signal.h,v 1.6 2006/01/08 14:20:17 millert Exp $ */
2 /* $NetBSD: signal.h,v 1.6 1996/01/08 13:51:43 mycroft Exp $ */
3
4 /*
5 * Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * @(#)signal.h 7.16 (Berkeley) 3/17/91
33 */
34
35 #ifndef _I386_SIGNAL_H_
36 #define _I386_SIGNAL_H_
37
38 #include <sys/cdefs.h>
39
40 typedef int sig_atomic_t;
41
42 #if __BSD_VISIBLE
43 /*
44 * Get the "code" values
45 */
46 #include <machine/trap.h>
47 #endif
48
49 #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
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 */
57 struct 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 int sc_mask; /* signal mask to restore */
78
79 int sc_trapno; /* XXX should be above */
80 int sc_err;
81 };
82
83 #define sc_sp sc_esp
84 #define sc_fp sc_ebp
85 #define sc_pc sc_eip
86 #define sc_ps sc_eflags
87
88 #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
89 #endif /* !_I386_SIGNAL_H_ */