signal.h (9c79794016d679440487dea61b3b986397c9ecbb) signal.h (6cda32c0719e5810f8b3d4cea0790002d44f80a4)
1/*-
1/*
2 * Copyright (c) 1986, 1989, 1991, 1993
3 * The Regents of the University of California. 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 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
2 * Copyright (c) 1986, 1989, 1991, 1993
3 * The Regents of the University of California. 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 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)signal.h 8.1 (Berkeley) 6/11/93
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)signal.h 8.1 (Berkeley) 6/11/93
30 * $FreeBSD$
31 */
32
34 */
35
33#ifndef _MACHINE_SIGNAL_H_
34#define _MACHINE_SIGNAL_H_
35
36#include <sys/cdefs.h>
37#include <sys/_sigset.h>
38
39/*
40 * Machine-dependent signal definitions
41 */
42
43typedef int sig_atomic_t;
44
36/*
37 * Machine-dependent signal definitions
38 */
39
40typedef int sig_atomic_t;
41
45#if __BSD_VISIBLE
42#ifndef _POSIX_SOURCE
46#include <machine/trap.h> /* codes for SIGILL, SIGFPE */
43#include <machine/trap.h> /* codes for SIGILL, SIGFPE */
44#endif
47
48/*
45
46/*
49 * Only the kernel should need these old type definitions.
50 */
51#if defined(_KERNEL) && defined(COMPAT_43)
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 */
47 * Information pushed on stack when a signal is delivered.
48 * This is used by the kernel to restore state following
49 * execution of the signal handler. It is also made available
50 * to the handler to allow it to restore state properly if
51 * a non-standard exit is performed.
52 */
59struct osigcontext {
60 int sc_onstack; /* sigstack state to restore */
61 osigset_t sc_mask; /* signal mask to restore */
62 int sc_esp; /* machine state follows: */
63 int sc_ebp;
64 int sc_isp;
65 int sc_eip;
66 int sc_efl;
67 int sc_es;
68 int sc_ds;
69 int sc_cs;
70 int sc_ss;
71 int sc_edi;
72 int sc_esi;
73 int sc_ebx;
74 int sc_edx;
75 int sc_ecx;
76 int sc_eax;
77 int sc_gs;
78 int sc_fs;
79 int sc_trapno;
80 int sc_err;
53struct sigcontext {
54 int sc_onstack; /* sigstack state to restore */
55 int sc_mask; /* signal mask to restore */
56 int sc_sp; /* sp to restore */
57 int sc_fp; /* fp to restore */
58 int sc_ap; /* ap to restore */
59 int sc_pc; /* pc to restore */
60 int sc_ps; /* psl to restore */
81};
61};
82#endif
83
84/*
85 * The sequence of the fields/registers in struct sigcontext should match
86 * those in mcontext_t.
87 */
88struct sigcontext {
89 struct __sigset sc_mask; /* signal mask to restore */
90 int sc_onstack; /* sigstack state to restore */
91 int sc_gs; /* machine state (struct trapframe) */
92 int sc_fs;
93 int sc_es;
94 int sc_ds;
95 int sc_edi;
96 int sc_esi;
97 int sc_ebp;
98 int sc_isp;
99 int sc_ebx;
100 int sc_edx;
101 int sc_ecx;
102 int sc_eax;
103 int sc_trapno;
104 int sc_err;
105 int sc_eip;
106 int sc_cs;
107 int sc_efl;
108 int sc_esp;
109 int sc_ss;
110 int sc_len; /* sizeof(mcontext_t) */
111 /*
112 * XXX - See <machine/ucontext.h> and <machine/npx.h> for
113 * the following fields.
114 */
115 int sc_fpformat;
116 int sc_ownedfp;
117 int sc_spare1[1];
118 int sc_fpstate[128] __aligned(16);
119
120 int sc_fsbase;
121 int sc_gsbase;
122
123 int sc_spare2[6];
124};
125
126#define sc_sp sc_esp
127#define sc_fp sc_ebp
128#define sc_pc sc_eip
129#define sc_ps sc_efl
130#define sc_eflags sc_efl
131
132#endif /* __BSD_VISIBLE */
133
134#endif /* !_MACHINE_SIGNAL_H_ */