xref: /illumos-gate/usr/src/boot/sys/sys/_sigset.h (revision 199767f8)
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  * $FreeBSD$
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