1 _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_ */