15b9bcb121
is an application space macro and the applications are supposed to be free to use it as they please (but cannot). This is consistant with the other BSD's who made this change quite some time ago. More commits to come.
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 /* _KERNEL */
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#endif /* _SYS__POSIX_H_ */
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