98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
#ifndef _SYS__POSIX_H_
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#define _SYS__POSIX_H_
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/*-
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* Copyright (c) 1998 HD Associates, Inc.
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* All rights reserved.
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* contact: dufault@hda.com
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* This is a stand alone header file to set up for feature specification
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* defined to take place before the inclusion of any standard header.
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* It should only handle pre-processor defines.
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*
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* See section B.2.7 of 1003.1b-1993
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*
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*/
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#ifdef KERNEL
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#if !defined(KLD_MODULE)
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#include "opt_posix.h"
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#endif
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/* Only kern_mib.c uses _POSIX_VERSION. Introduce a kernel
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* one to avoid other pieces of the kernel getting dependant
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* on that.
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* XXX Complain if you think this dumb.
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*/
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/* Make P1003 structures visible for the kernel if
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* the P1003_1B option is in effect.
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*/
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#ifdef P1003_1B
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#define _P1003_1B_VISIBLE
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#ifndef _KPOSIX_VERSION
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#define _KPOSIX_VERSION 199309L
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#endif
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#endif
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#ifndef _KPOSIX_VERSION
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#define _KPOSIX_VERSION 199009L
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#endif
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#define _P1003_1B_VISIBLE_HISTORICALLY
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#else
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/* Default to existing user space version.
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*/
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#ifndef _POSIX_VERSION
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#define _POSIX_VERSION 199009L
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#endif
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/* Test for visibility of P1003.1B features:
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* If _POSIX_SOURCE and POSIX_C_SOURCE are completely undefined
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* they show up.
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*
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* If they specify a version including P1003.1B then they show up.
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*
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* (Two macros are added to permit hiding new extensions while
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* keeping historic BSD features - that is not done now)
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*
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*/
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#if (!defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE)) || \
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(_POSIX_VERSION >= 199309L && defined(_POSIX_C_SOURCE) && \
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_POSIX_C_SOURCE >= 199309L)
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#define _P1003_1B_VISIBLE
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#define _P1003_1B_VISIBLE_HISTORICALLY
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#endif
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#endif /* not KERNEL */
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#endif /* _SYS__POSIX_H_ */
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