FreeBSD/Linux Kernel Cross Reference
sys/sys/_sigset.h
1 /*-
2 * Copyright (c) 1982, 1986, 1989, 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 * (c) UNIX System Laboratories, Inc.
5 * All or some portions of this file are derived from material licensed
6 * to the University of California by American Telephone and Telegraph
7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8 * the permission of UNIX System Laboratories, Inc.
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 8.4 (Berkeley) 5/4/95
35 * $FreeBSD: src/sys/sys/_sigset.h,v 1.36 2005/01/07 02:29:23 imp Exp $
36 */
37
38 #ifndef _SYS__SIGSET_H_
39 #define _SYS__SIGSET_H_
40
41 /*
42 * sigset_t macros.
43 */
44 #define _SIG_WORDS 4
45 #define _SIG_MAXSIG 128
46 #define _SIG_IDX(sig) ((sig) - 1)
47 #define _SIG_WORD(sig) (_SIG_IDX(sig) >> 5)
48 #define _SIG_BIT(sig) (1 << (_SIG_IDX(sig) & 31))
49 #define _SIG_VALID(sig) ((sig) <= _SIG_MAXSIG && (sig) > 0)
50
51 typedef struct __sigset {
52 __uint32_t __bits[_SIG_WORDS];
53 } __sigset_t;
54
55 #if defined(_KERNEL) && defined(COMPAT_43)
56 typedef unsigned int osigset_t;
57 #endif
58
59 #endif /* !_SYS__SIGSET_H_ */
60
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