#ifndef _SYS__POSIX_H_ | |
#define _SYS__POSIX_H_ | |
/*- | |
* Copyright (c) 1998 HD Associates, Inc. | |
* All rights reserved. | |
* contact: dufault@hda.com | |
* | |
* 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. | |
* | |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. | |
* | |
* $Id: _posix.h,v 1.1.1.1 2006/05/30 06:13:04 hhzhou Exp $ | |
*/ | |
/* | |
* This is a stand alone header file to set up for feature specification | |
* defined to take place before the inclusion of any standard header. | |
* It should only handle pre-processor defines. | |
* | |
* See section B.2.7 of 1003.1b-1993 | |
* | |
*/ | |
#ifdef KERNEL | |
#if !defined(ACTUALLY_LKM_NOT_KERNEL) && !defined(KLD_MODULE) | |
#include "opt_posix.h" | |
#endif | |
/* Only kern_mib.c uses _POSIX_VERSION. Introduce a kernel | |
* one to avoid other pieces of the kernel getting dependant | |
* on that. | |
* XXX Complain if you think this dumb. | |
*/ | |
/* Make P1003 structures visible for the kernel if | |
* the P1003_1B option is in effect. | |
*/ | |
#ifdef P1003_1B | |
#define _P1003_1B_VISIBLE | |
#ifndef _KPOSIX_VERSION | |
#define _KPOSIX_VERSION 199309L | |
#endif | |
#endif | |
#ifndef _KPOSIX_VERSION | |
#define _KPOSIX_VERSION 199009L | |
#endif | |
#define _P1003_1B_VISIBLE_HISTORICALLY | |
#else | |
/* Default to existing user space version. | |
*/ | |
#ifndef _POSIX_VERSION | |
#define _POSIX_VERSION 199009L | |
#endif | |
/* Test for visibility of P1003.1B features: | |
* If _POSIX_SOURCE and POSIX_C_SOURCE are completely undefined | |
* they show up. | |
* | |
* If they specify a version including P1003.1B then they show up. | |
* | |
* (Two macros are added to permit hiding new extensions while | |
* keeping historic BSD features - that is not done now) | |
* | |
*/ | |
#if (!defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE)) || \ | |
(_POSIX_VERSION >= 199309L && defined(_POSIX_C_SOURCE) && \ | |
_POSIX_C_SOURCE >= 199309L) | |
#define _P1003_1B_VISIBLE | |
#define _P1003_1B_VISIBLE_HISTORICALLY | |
#endif | |
#endif /* not KERNEL */ | |
#endif /* _SYS__POSIX_H_ */ |