/*-
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* 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
* 4. 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.
*
* @(#)unistd.h 8.2 (Berkeley) 1/7/94
* $FreeBSD$
*/
#ifndef _SYS_UNISTD_H_
#define _SYS_UNISTD_H_
/*
* POSIX options and option groups we unconditionally do or don't
* implement. Those options which are implemented (or not) entirely
* in user mode are defined in <unistd.h>. Please keep this list in
* alphabetical order.
*
* Anything which is defined as zero below **must** have an
* implementation for the corresponding sysconf() which is able to
* determine conclusively whether or not the feature is supported.
* Anything which is defined as other than -1 below **must** have
* complete headers, types, and function declarations as specified by
* the POSIX standard; however, if the relevant sysconf() function
* returns -1, the functions may be stubbed out.
*/
#define _POSIX_ASYNCHRONOUS_IO 0
#define _POSIX_IPV6 0
#if __XSI_VISIBLE
#endif
/*
* as described in POSIX 1003.1, because the feature does not work for
* part of the POSIX 1003.1 specification. XXX revisit for 1003.1-2001
* as this is now mandatory.
*/
#ifdef _NOT_AVAILABLE
#endif
/* Define the POSIX.1 version we target for compliance. */
/* access function */
/* whence values for lseek(2) */
#ifndef SEEK_SET
#endif
#if __BSD_VISIBLE
#endif
#ifndef _POSIX_SOURCE
/* whence values for lseek(2); renamed by POSIX 1003.1 */
#endif
/* configurable pathname variables */
#if __POSIX_VISIBLE >= 199309
#endif
#if __POSIX_VISIBLE >= 200112
#endif
#if __BSD_VISIBLE
#endif
#if __BSD_VISIBLE
/*
* rfork() options.
*
* XXX currently, some operations without RFPROC set are not supported.
*/
#endif /* __BSD_VISIBLE */
#endif /* !_SYS_UNISTD_H_ */