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/* $NetBSD: sigtypes.h,v 1.8 2005/12/11 12:25:21 christos Exp $ */
/*
* 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.
* 3. 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
*/
#ifndef _SYS_SIGTYPES_H_
#define _SYS_SIGTYPES_H_
/*
* This header file defines various signal-related types. We also keep
* the macros to manipulate sigset_t here, to encapsulate knowledge of
* its internals.
*/
#include <sys/featuretest.h>
#include <machine/int_types.h>
#include <machine/ansi.h>
#ifdef _EFI_SIZE_T_
typedef _EFI_SIZE_T_ size_t;
#undef _EFI_SIZE_T_
#undef _BSD_SIZE_T_
#endif
#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
defined(_NETBSD_SOURCE)
typedef struct {
__uint32_t __bits[4];
} sigset_t;
/*
* Macro for manipulating signal masks.
*/
#define __sigmask(n) (1 << (((unsigned int)(n) - 1) & 31))
#define __sigword(n) (((unsigned int)(n) - 1) >> 5)
#define __sigaddset(s, n) ((s)->__bits[__sigword(n)] |= __sigmask(n))
#define __sigdelset(s, n) ((s)->__bits[__sigword(n)] &= ~__sigmask(n))
#define __sigismember(s, n) (((s)->__bits[__sigword(n)] & __sigmask(n)) != 0)
#define __sigemptyset(s) ((s)->__bits[0] = 0x00000000, \
(s)->__bits[1] = 0x00000000, \
(s)->__bits[2] = 0x00000000, \
(s)->__bits[3] = 0x00000000)
#define __sigsetequal(s1,s2) ((s1)->__bits[0] == (s2)->__bits[0] && \
(s1)->__bits[1] == (s2)->__bits[1] && \
(s1)->__bits[2] == (s2)->__bits[2] && \
(s1)->__bits[3] == (s2)->__bits[3])
#define __sigfillset(s) ((s)->__bits[0] = 0xffffffff, \
(s)->__bits[1] = 0xffffffff, \
(s)->__bits[2] = 0xffffffff, \
(s)->__bits[3] = 0xffffffff)
#define __sigplusset(s, t) \
do { \
(t)->__bits[0] |= (s)->__bits[0]; \
(t)->__bits[1] |= (s)->__bits[1]; \
(t)->__bits[2] |= (s)->__bits[2]; \
(t)->__bits[3] |= (s)->__bits[3]; \
} while (/* CONSTCOND */ 0)
#define __sigminusset(s, t) \
do { \
(t)->__bits[0] &= ~(s)->__bits[0]; \
(t)->__bits[1] &= ~(s)->__bits[1]; \
(t)->__bits[2] &= ~(s)->__bits[2]; \
(t)->__bits[3] &= ~(s)->__bits[3]; \
} while (/* CONSTCOND */ 0)
#define __sigandset(s, t) \
do { \
(t)->__bits[0] &= (s)->__bits[0]; \
(t)->__bits[1] &= (s)->__bits[1]; \
(t)->__bits[2] &= (s)->__bits[2]; \
(t)->__bits[3] &= (s)->__bits[3]; \
} while (/* CONSTCOND */ 0)
#if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
(_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
typedef struct
#if defined(_NETBSD_SOURCE)
sigaltstack
#endif /* _NETBSD_SOURCE */
{
void *ss_sp; /* signal stack base */
size_t ss_size; /* signal stack length */
int ss_flags; /* SS_DISABLE and/or SS_ONSTACK */
} stack_t;
#endif /* _XOPEN_SOURCE_EXTENDED || XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */
#endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || ... */
#endif /* !_SYS_SIGTYPES_H_ */
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