1 /* $OpenBSD: freebsd_signal.h,v 1.3 2003/06/02 23:28:00 millert Exp $ */
2 /* $NetBSD: signal.h,v 1.42 1998/12/21 10:35:00 drochner Exp $ */
3
4 /*
5 * Copyright (c) 1982, 1986, 1989, 1991, 1993
6 * The Regents of the University of California. All rights reserved.
7 * (c) UNIX System Laboratories, Inc.
8 * All or some portions of this file are derived from material licensed
9 * to the University of California by American Telephone and Telegraph
10 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
11 * the permission of UNIX System Laboratories, Inc.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * @(#)signal.h 8.4 (Berkeley) 5/4/95
38 */
39
40 #ifndef _FREEBSD_SYS_SIGNAL_H_
41 #define _FREEBSD_SYS_SIGNAL_H_
42
43 typedef struct {
44 u_int32_t __bits[4];
45 } freebsd_sigset_t;
46
47 union freebsd_sigval {
48 /* Members as suggested by Annex C of POSIX 1003.1b. */
49 int freebsd_sigval_int;
50 void *freebsd_sigval_ptr;
51 };
52
53 typedef struct __freebsd_siginfo {
54 int freebsd_si_signo; /* signal number */
55 int freebsd_si_errno; /* errno association */
56 /*
57 * Cause of signal, one of the SI_ macros or signal-specific
58 * values, i.e. one of the FPE_... values for SIGFPE. This
59 * value is equivalent to the second argument to an old-style
60 * FreeBSD signal handler.
61 */
62 int freebsd_si_code; /* signal code */
63 int freebsd_si_pid; /* sending process */
64 unsigned int freebsd_si_uid; /* sender's ruid */
65 int freebsd_si_status; /* exit value */
66 void *freebsd_si_addr; /* faulting instruction */
67 union freebsd_sigval freebsd_si_value; /* signal value */
68 long freebsd_si_band; /* band event for SIGPOLL */
69 int __spare__[7]; /* gimme some slack */
70 } freebsd_siginfo_t;
71
72 /*
73 * Signal vector "template" used in sigaction call.
74 */
75 struct freebsd_sigaction {
76 union {
77 void (*__freebsd_sa_handler)(int);
78 void (*__freebsd_sa_sigaction)(int, struct __freebsd_siginfo *, void *);
79 } __freebsd_sigaction_u; /* signal handler */
80 int freebsd_sa_flags; /* see signal options below */
81 freebsd_sigset_t freebsd_sa_mask; /* signal mask to apply */
82 };
83 #define freebsd_sa_handler __freebsd_sigaction_u.__freebsd_sa_handler
84 #define freebsd_sa_sigaction __freebsd_sigaction_u.__freebsd_sa_sigaction
85
86 #endif /* !_FREEBSD_SYS_SIGNAL_H_ */