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