/*-

  * 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

  *    documentation and/or other materials provided with the distribution.

  * 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.

  * © Portions copyright (c) 2007 Symbian Software Ltd. All rights reserved.

  *	@(#)unistd.h	8.2 (Berkeley) 1/7/94

  * $FreeBSD: src/sys/sys/unistd.h,v 1.41 2005/01/07 02:29:24 imp Exp $

  */

 #ifndef _SYS_UNISTD_H_

 #define	_SYS_UNISTD_H_

 #include <sys/cdefs.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_ADVISORY_INFO		-1

 #define	_POSIX_ASYNCHRONOUS_IO		0

 #define	_POSIX_CHOWN_RESTRICTED		1

 #define	_POSIX_CLOCK_SELECTION		-1

 #define	_POSIX_CPUTIME			-1

 #define	_POSIX_FSYNC			200112L

 #define	_POSIX_IPV6			0

 #define	_POSIX_JOB_CONTROL		1

 #define	_POSIX_MAPPED_FILES		200112L

 #define	_POSIX_MEMLOCK			-1

 #define	_POSIX_MEMLOCK_RANGE		200112L

 #define	_POSIX_MEMORY_PROTECTION	200112L

 #define	_POSIX_MESSAGE_PASSING		-1

 #define	_POSIX_MONOTONIC_CLOCK		-1

 #define	_POSIX_NO_TRUNC			1

 #define	_POSIX_PRIORITIZED_IO		-1

 #define	_POSIX_PRIORITY_SCHEDULING	200112L

 #define	_POSIX_RAW_SOCKETS		200112L

 #define	_POSIX_REALTIME_SIGNALS		-1

 #define	_POSIX_SEMAPHORES		-1

 #define	_POSIX_SHARED_MEMORY_OBJECTS	200112L

 #define	_POSIX_SPORADIC_SERVER		-1

 #define	_POSIX_SYNCHRONIZED_IO		-1

 #define	_POSIX_TIMEOUTS			-1

 #define	_POSIX_TYPED_MEMORY_OBJECTS	-1

 #define	_POSIX_VDISABLE			0xff

 #if __XSI_VISIBLE

 #define	_XOPEN_SHM			1

 #define	_XOPEN_STREAMS			-1

 #endif

 /*

  * Although we have saved user/group IDs, we do not use them in setuid

  * as described in POSIX 1003.1, because the feature does not work for

  * root.  We use the saved IDs in seteuid/setegid, which are not currently

  * part of the POSIX 1003.1 specification.  XXX revisit for 1003.1-2001

  * as this is now mandatory.

  */

 #ifdef	_NOT_AVAILABLE

 #define	_POSIX_SAVED_IDS	1 /* saved set-user-ID and set-group-ID */

 #endif

 /* Define the POSIX.1 version we target for compliance. */

 #define	_POSIX_VERSION		200112L

 /* access function */

 #define	F_OK		0	/* test for existence of file */

 #define	X_OK		0x01	/* test for execute or search permission */

 #define	W_OK		0x02	/* test for write permission */

 #define	R_OK		0x04	/* test for read permission */

 /* whence values for lseek(2) */

 #ifndef SEEK_SET

 #define	SEEK_SET	0	/* set file offset to offset */

 #define	SEEK_CUR	1	/* set file offset to current plus offset */

 #define	SEEK_END	2	/* set file offset to EOF plus offset */

 #endif

 #ifndef _POSIX_SOURCE

 /* whence values for lseek(2); renamed by POSIX 1003.1 */

 #define	L_SET		SEEK_SET

 #define	L_INCR		SEEK_CUR

 #define	L_XTND		SEEK_END

 #endif

 /* configurable pathname variables */

 #define	_PC_LINK_MAX		 1

 #define	_PC_MAX_CANON		 2

 #define	_PC_MAX_INPUT		 3

 #define	_PC_NAME_MAX		 4

 #define	_PC_PATH_MAX		 5

 #define	_PC_PIPE_BUF		 6

 #define	_PC_CHOWN_RESTRICTED	 7

 #define	_PC_NO_TRUNC		 8

 #define	_PC_VDISABLE		 9

 /*

 #if __POSIX_VISIBLE >= 199309

 #define	_PC_ASYNC_IO		53

 #define	_PC_PRIO_IO		54

 #define	_PC_SYNC_IO		55

 #endif

 #if __POSIX_VISIBLE >= 200112

 #define	_PC_ALLOC_SIZE_MIN	10

 #define	_PC_FILESIZEBITS	12

 #define	_PC_REC_INCR_XFER_SIZE	14

 #define	_PC_REC_MAX_XFER_SIZE	15

 #define	_PC_REC_MIN_XFER_SIZE	16

 #define	_PC_REC_XFER_ALIGN	17

 #define	_PC_SYMLINK_MAX		18

 #endif

 #if __BSD_VISIBLE

 #define	_PC_ACL_EXTENDED	59

 #define	_PC_ACL_PATH_MAX	60

 #define	_PC_CAP_PRESENT		61

 #define	_PC_INF_PRESENT		62

 #define	_PC_MAC_PRESENT		63

 #endif

 */

 #if __BSD_VISIBLE

 /*

  * rfork() options.

  *

  * XXX currently, some operations without RFPROC set are not supported.

  */

 #define	RFNAMEG		(1<<0)	/* UNIMPL new plan9 `name space' */

 #define	RFENVG		(1<<1)	/* UNIMPL copy plan9 `env space' */

 #define	RFFDG		(1<<2)	/* copy fd table */

 #define	RFNOTEG		(1<<3)	/* UNIMPL create new plan9 `note group' */

 #define	RFPROC		(1<<4)	/* change child (else changes curproc) */

 #define	RFMEM		(1<<5)	/* share `address space' */

 #define	RFNOWAIT	(1<<6)	/* give child to init */

 #define	RFCNAMEG	(1<<10)	/* UNIMPL zero plan9 `name space' */

 #define	RFCENVG		(1<<11)	/* UNIMPL zero plan9 `env space' */

 #define	RFCFDG		(1<<12)	/* close all fds, zero fd table */

 #define	RFTHREAD	(1<<13)	/* enable kernel thread support */

 #define	RFSIGSHARE	(1<<14)	/* share signal handlers */

 #define	RFLINUXTHPN	(1<<16)	/* do linux clone exit parent notification */

 #define	RFSTOPPED	(1<<17)	/* leave child in a stopped state */

 #define	RFHIGHPID	(1<<18)	/* use a pid higher then 10 (idleproc) */

 #define	RFPPWAIT	(1<<31)	/* parent sleeps until child exits (vfork) */

 #define	RFKERNELONLY	(RFSTOPPED | RFHIGHPID | RFPPWAIT)

 #endif /* __BSD_VISIBLE */

 #endif /* !_SYS_UNISTD_H_ */