/*

 * Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:

 *

 */

 /**

  @file

  @publishedAll

  @released

 */

 #ifndef	_FCNTL_

 #define	_FCNTL_

 #ifdef __cplusplus

 extern "C" {

 #endif

 #include <_ansi.h>

 #define	_FOPEN		(-1)	/* from sys/file.h, kernel use only */

 #define	_FREAD		0x0001	/* read enabled */

 #define	_FWRITE		0x0002	/* write enabled */

 #define	_FNDELAY	0x0004	/* non blocking I/O (4.2 style) */

 #define	_FAPPEND	0x0008	/* append (writes guaranteed at the end) */

 #define	_FMARK		0x0010	/* internal; mark during gc() */

 #define	_FDEFER		0x0020	/* internal; defer for next gc pass */

 #define	_FASYNC		0x0040	/* signal pgrp when data ready */

 #define	_FSHLOCK	0x0080	/* BSD flock() shared lock present */

 #define	_FEXLOCK	0x0100	/* BSD flock() exclusive lock present */

 #define	_FCREAT		0x0200	/* open with file create */

 #define	_FTRUNC		0x0400	/* open with truncation */

 #define	_FEXCL		0x0800	/* error on open if file exists */

 #define	_FNBIO		0x1000	/* non blocking I/O (sys5 style) */

 #define	_FSYNC		0x2000	/* do all writes synchronously */

 #define	_FNONBLOCK	0x4000	/* non blocking I/O (POSIX style) */

 #define	_FNOCTTY	0x8000	/* don't assign a ctty on this open */

 #define _FBUFFERED  0x10000 /* buffer at the interface to the file system */

 #define	O_ACCMODE	(O_RDONLY|O_WRONLY|O_RDWR)

 /**

 Flag values for open(2) and fcntl(2)

 The kernel adds 1 to the open modes to turn it into some

 combination of FREAD and FWRITE.

 */

 #define	O_RDONLY	0		/* +1 == FREAD */

 #define	O_WRONLY	1		/* +1 == FWRITE */

 #define	O_RDWR		2		/* +1 == FREAD|FWRITE */

 #define	O_APPEND	_FAPPEND

 #define	O_CREAT		_FCREAT

 #define	O_TRUNC		_FTRUNC

 #define	O_EXCL		_FEXCL

 /*	O_SYNC		_FSYNC		not posix, defined below */

 /*	O_NDELAY	_FNDELAY 	set in include/fcntl.h */

 /*	O_NDELAY	_FNBIO 		set in 5include/fcntl.h */

 #define	O_NONBLOCK	_FNONBLOCK

 #define	O_NOCTTY	_FNOCTTY

 #define _FBINARY        0x10000

 #define _FTEXT          0x20000

 #define O_BINARY	_FBINARY

 #define O_TEXT		_FTEXT

 #define O_BUFFERED  _FBUFFERED

 #ifndef	_POSIX_SOURCE

 #define	O_SYNC		_FSYNC

 /**

 Flags that work for fcntl(fd, F_SETFL, FXXXX)

 */

 #define	FAPPEND		_FAPPEND

 #define	FSYNC		_FSYNC

 #define	FASYNC		_FASYNC

 #define	FNBIO		_FNBIO

 #define	FNONBIO		_FNONBLOCK	/* XXX fix to be NONBLOCK everywhere */

 #define	FNDELAY		_FNDELAY

 /**

 Flags that are disallowed for fcntl's (FCNTLCANT);

 used for opens, internal state, or locking.

 */

 #define	FREAD		_FREAD

 #define	FWRITE		_FWRITE

 #define	FMARK		_FMARK

 #define	FDEFER		_FDEFER

 #define	FSHLOCK		_FSHLOCK

 #define	FEXLOCK		_FEXLOCK

 /**

 The rest of the flags, used only for opens

 */

 #define	FOPEN		_FOPEN

 #define	FCREAT		_FCREAT

 #define	FTRUNC		_FTRUNC

 #define	FEXCL		_FEXCL

 #define	FNOCTTY		_FNOCTTY

 #define FBUFFERED   _FBUFFERED

 #endif	/* !_POSIX_SOURCE */

 /**

 XXX close on exec request; must match UF_EXCLOSE in user.h 

 */

 #define	FD_CLOEXEC	1	/* posix */

 /** 

 fcntl(2) requests 

 */

 #define	F_DUPFD		0	/* Duplicate fildes */

 #define	F_GETFD		1	/* Get fildes flags (close on exec) */

 #define	F_SETFD		2	/* Set fildes flags (close on exec) */

 #define	F_GETFL		3	/* Get file flags */

 #define	F_SETFL		4	/* Set file flags */

 #ifndef	_POSIX_SOURCE

 #define	F_GETOWN 	5	/* Get owner - for ASYNC */

 #define	F_SETOWN 	6	/* Set owner - for ASYNC */

 #endif	/* !_POSIX_SOURCE */

 #define	F_GETLK  	7	/* Get record-locking information */

 #define	F_SETLK  	8	/* Set or Clear a record-lock (Non-Blocking) */

 #define	F_SETLKW 	9	/* Set or Clear a record-lock (Blocking) */

 #ifndef	_POSIX_SOURCE

 #define	F_RGETLK 	10	/* Test a remote lock to see if it is blocked */

 #define	F_RSETLK 	11	/* Set or unlock a remote lock */

 #define	F_CNVT 		12	/* Convert a fhandle to an open fd */

 #define	F_RSETLKW 	13	/* Set or Clear remote record-lock(Blocking) */

 #endif	/* !_POSIX_SOURCE */

 /** 

 fcntl(2) flags (l_type field of flock structure) 

 */

 #define	F_RDLCK		1	/* read lock */

 #define	F_WRLCK		2	/* write lock */

 #define	F_UNLCK		3	/* remove lock(s) */

 #ifndef	_POSIX_SOURCE

 #define	F_UNLKSYS	4	/* remove remote locks for a given system */

 #endif	/* !_POSIX_SOURCE */

 /*#include <sys/stdtypes.h>*/

 /** 

 file segment locking set data type - information passed to system by user 

 */

 struct flock {

 	short	l_type;		/* F_RDLCK, F_WRLCK, or F_UNLCK */

 	short	l_whence;	/* flag to choose starting offset */

 	long	l_start;	/* relative offset, in bytes */

 	long	l_len;		/* length, in bytes; 0 means lock to EOF */

 	short	l_pid;		/* returned with F_GETLK */

 	short	l_xxx;		/* reserved for future use */

 };

 #ifndef	_POSIX_SOURCE

 /** 

 extended file segment locking set data type 

 */

 struct eflock {

 	short	l_type;		/* F_RDLCK, F_WRLCK, or F_UNLCK */

 	short	l_whence;	/* flag to choose starting offset */

 	long	l_start;	/* relative offset, in bytes */

 	long	l_len;		/* length, in bytes; 0 means lock to EOF */

 	short	l_pid;		/* returned with F_GETLK */

 	short	l_xxx;		/* reserved for future use */

 	long	l_rpid;		/* Remote process id wanting this lock */

 	long	l_rsys;		/* Remote system id wanting this lock */

 };

 #endif	/* !_POSIX_SOURCE */

 #include <sys/types.h>

 #include <sys/stat.h>		/* sigh. for the mode bits for open/creat */

 #define creat(n,m)	open(n,O_WRONLY|O_CREAT|O_TRUNC,m)

 IMPORT_C int open	(const char *, int, ...);

 IMPORT_C int wopen	(const wchar_t *, int, ...);

 extern int fcntl	(int, int, ...);

 #ifdef __cplusplus

 }

 #endif

 #endif	/* !_FCNTL_ */