_sigset.h

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00001 /*-
00002  * Copyright (c) 1982, 1986, 1989, 1991, 1993
00003  *      The Regents of the University of California.  All rights reserved.
00004  * (c) UNIX System Laboratories, Inc.
00005  * All or some portions of this file are derived from material licensed
00006  * to the University of California by American Telephone and Telegraph
00007  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
00008  * the permission of UNIX System Laboratories, Inc.
00009  *
00010  * Redistribution and use in source and binary forms, with or without
00011  * modification, are permitted provided that the following conditions
00012  * are met:
00013  * 1. Redistributions of source code must retain the above copyright
00014  *    notice, this list of conditions and the following disclaimer.
00015  * 2. Redistributions in binary form must reproduce the above copyright
00016  *    notice, this list of conditions and the following disclaimer in the
00017  *    documentation and/or other materials provided with the distribution.
00018  * 4. Neither the name of the University nor the names of its contributors
00019  *    may be used to endorse or promote products derived from this software
00020  *    without specific prior written permission.
00021  *
00022  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
00023  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00024  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00025  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
00026  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00027  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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00029  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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00031  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00032  * SUCH DAMAGE.
00033  *
00034  *      @(#)signal.h    8.4 (Berkeley) 5/4/95
00035  * $FreeBSD: src/sys/sys/_sigset.h,v 1.36 2005/01/07 02:29:23 imp Exp $
00036  */
00037 
00038 #ifndef _SYS__SIGSET_H_
00039 #define _SYS__SIGSET_H_
00040 
00041 /*
00042  * sigset_t macros.
00043  */
00044 #define _SIG_WORDS      4
00045 #define _SIG_MAXSIG     128
00046 #define _SIG_IDX(sig)   ((sig) - 1)
00047 #define _SIG_WORD(sig)  (_SIG_IDX(sig) >> 5)
00048 #define _SIG_BIT(sig)   (1 << (_SIG_IDX(sig) & 31))
00049 #define _SIG_VALID(sig) ((sig) <= _SIG_MAXSIG && (sig) > 0)
00050 
00051 typedef struct __sigset {
00052         __uint32_t __bits[_SIG_WORDS];
00053 } __sigset_t;
00054 
00055 #if defined(_KERNEL) && defined(COMPAT_43)
00056 typedef unsigned int osigset_t;
00057 #endif
00058 
00059 #endif /* !_SYS__SIGSET_H_ */

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