Misc cleanups and CVS surgery. Move a number of header and source files
[dragonfly.git] / sys / cpu / i386 / include / sigframe.h
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1/*-
2 * Copyright (c) 1999 Marcel Moolenaar
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 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: src/sys/i386/include/sigframe.h,v 1.5 1999/12/04 10:40:24 marcel Exp $
88181b08 29 * $DragonFly: src/sys/cpu/i386/include/sigframe.h,v 1.5 2006/11/07 17:51:21 dillon Exp $
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30 */
31
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32#ifndef _CPU_SIGFRAME_H_
33#define _CPU_SIGFRAME_H_
984263bc 34
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35#ifndef _MACHINE_TYPES_H_
36#include <machine/types.h>
37#endif
38#ifndef _SYS_SIGNAL_H_
39#include <sys/signal.h>
40#endif
41#ifndef _SYS_UCONTEXT_H_
42#include <sys/ucontext.h>
43#endif
44
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45/*
46 * Signal frames, arguments passed to application signal handlers.
47 */
48
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49struct sigframe {
50 /*
51 * The first four members may be used by applications.
52 *
53 * NOTE: The 4th argument is undocumented, ill commented
54 * on and seems to be somewhat BSD "standard". Handlers
55 * installed with sigvec may be using it.
56 */
57 register_t sf_signum;
58 register_t sf_siginfo; /* code or pointer to sf_si */
59 register_t sf_ucontext; /* points to sf_uc */
60 register_t sf_addr; /* undocumented 4th arg */
61
62 union {
63 __siginfohandler_t *sf_action;
64 __sighandler_t *sf_handler;
65 } sf_ahu;
66 ucontext_t sf_uc; /* = *sf_ucontext */
67 siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case) */
68};
69
88181b08 70#endif /* !_CPU_SIGFRAME_H_ */