1 /* $OpenBSD: signal.h,v 1.2 1999/01/27 04:10:03 imp Exp $ */
2
3 /*
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 * Copyright (c) 1992, 1993
7 * The Regents of the University of California. All rights reserved.
8 *
9 * This code is derived from software contributed to Berkeley by
10 * Ralph Campbell.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)signal.h 8.1 (Berkeley) 6/10/93
37 * JNPR: signal.h,v 1.4 2007/01/08 04:58:37 katta
38 * $FreeBSD$
39 */
40
41 #ifndef _MACHINE_SIGNAL_H_
42 #define _MACHINE_SIGNAL_H_
43
44 #include <sys/cdefs.h>
45 #include <sys/_sigset.h>
46
47 /*
48 * Machine-dependent signal definitions
49 */
50
51 typedef int sig_atomic_t;
52
53 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
54 /*
55 * Information pushed on stack when a signal is delivered.
56 * This is used by the kernel to restore state following
57 * execution of the signal handler. It is also made available
58 * to the handler to allow it to restore state properly if
59 * a non-standard exit is performed.
60 */
61
62 struct sigcontext {
63 /*
64 * The fields following 'sc_mask' must match the definition
65 * of struct __mcontext. That way we can support
66 * struct sigcontext and ucontext_t at the same
67 * time.
68 */
69 __sigset_t sc_mask; /* signal mask to restore */
70 int sc_onstack; /* sigstack state to restore */
71 __register_t sc_pc; /* pc at time of signal */
72 __register_t sc_regs[32]; /* processor regs 0 to 31 */
73 __register_t sr; /* status register */
74 __register_t mullo, mulhi; /* mullo and mulhi registers... */
75 int sc_fpused; /* fp has been used */
76 f_register_t sc_fpregs[33]; /* fp regs 0 to 31 and csr */
77 __register_t sc_fpc_eir; /* fp exception instruction reg */
78 void *sc_tls; /* pointer to TLS area */
79 int __spare__[8]; /* XXX reserved */
80 };
81
82 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
83
84 #endif /* !_MACHINE_SIGNAL_H_ */
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