#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_ */