xref: /freebsd-10.1-release/sys/sys/_sigset.h

/*
 * Copyright (c) 1982, 1986, 1989, 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
 * (c) UNIX System Laboratories, Inc.
 * All or some portions of this file are derived from material licensed
 * to the University of California by American Telephone and Telegraph
 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
 * the permission of UNIX System Laboratories, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)signal.h	8.4 (Berkeley) 5/4/95
 * $FreeBSD: head/sys/sys/_sigset.h 127976 2004-04-07 04:19:52Z imp $
 */

#ifndef _SYS__SIGSET_H_
#define	_SYS__SIGSET_H_

/*
 * sigset_t macros.
 */
#define	_SIG_WORDS	4
#define	_SIG_MAXSIG	128
#define	_SIG_IDX(sig)	((sig) - 1)
#define	_SIG_WORD(sig)	(_SIG_IDX(sig) >> 5)
#define	_SIG_BIT(sig)	(1 << (_SIG_IDX(sig) & 31))
#define	_SIG_VALID(sig)	((sig) <= _SIG_MAXSIG && (sig) > 0)

typedef struct __sigset {
	__uint32_t __bits[_SIG_WORDS];
} __sigset_t;

#if defined(_KERNEL) && defined(COMPAT_43)
typedef unsigned int osigset_t;
#endif

#endif /* !_SYS__SIGSET_H_ */