sl@0: /*-
sl@0:  * 
sl@0:  * Copyright (c) 1983, 1990, 1993
sl@0:  *	The Regents of the University of California.  All rights reserved.
sl@0:  * (c) UNIX System Laboratories, Inc.
sl@0:  * All or some portions of this file are derived from material licensed
sl@0:  * to the University of California by American Telephone and Telegraph
sl@0:  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
sl@0:  * the permission of UNIX System Laboratories, Inc.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 4. Neither the name of the University nor the names of its contributors
sl@0:  *    may be used to endorse or promote products derived from this software
sl@0:  *    without specific prior written permission.
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
sl@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
sl@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sl@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
sl@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
sl@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
sl@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
sl@0:  * SUCH DAMAGE.
sl@0:  * * © * Portions Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
sl@0:  *
sl@0:  *	@(#)fcntl.h	8.3 (Berkeley) 1/21/94
sl@0:  * $FreeBSD: src/sys/sys/fcntl.h,v 1.16 2004/04/07 04:19:49 imp Exp $
sl@0:  */
sl@0: 
sl@0: #ifndef _SYS_FCNTL_H_
sl@0: #define	_SYS_FCNTL_H_
sl@0: 
sl@0: /*
sl@0:  * This file includes the definitions for open and fcntl
sl@0:  * described by POSIX for <fcntl.h>; it also includes
sl@0:  * related kernel definitions.
sl@0:  */
sl@0: 
sl@0: #include <sys/cdefs.h>
sl@0: #include <sys/_types.h>
sl@0: 
sl@0: #ifndef _MODE_T_DECLARED
sl@0: typedef	__mode_t	mode_t;
sl@0: #define	_MODE_T_DECLARED
sl@0: #endif
sl@0: 
sl@0: #ifndef _OFF_T_DECLARED
sl@0: typedef	__off_t		off_t;
sl@0: 
sl@0: #if defined(SYMBIAN_OE_LARGE_FILE_SUPPORT) && !defined(SYMBIAN_OE_NO_LFS)
sl@0: typedef	__off_t		off64_t;
sl@0: #endif /* SYMBIAN_OE_LARGE_FILE_SUPPORT && !SYMBIAN_OE_NO_LFS */
sl@0: 
sl@0: #define	_OFF_T_DECLARED
sl@0: #endif
sl@0: 
sl@0: #ifndef _PID_T_DECLARED
sl@0: typedef	__pid_t		pid_t;
sl@0: #define	_PID_T_DECLARED
sl@0: #endif
sl@0: 
sl@0: /*
sl@0:  * File status flags: these are used by open(2), fcntl(2).
sl@0:  * They are also used (indirectly) in the kernel file structure f_flags,
sl@0:  * which is a superset of the open/fcntl flags.  Open flags and f_flags
sl@0:  * are inter-convertible using OFLAGS(fflags) and FFLAGS(oflags).
sl@0:  * Open/fcntl flags begin with O_; kernel-internal flags begin with F.
sl@0:  */
sl@0: /* open-only flags */
sl@0: #define	O_RDONLY	0x0000		/* open for reading only */
sl@0: #define	O_WRONLY	0x0001		/* open for writing only */
sl@0: #define	O_RDWR		0x0002		/* open for reading and writing */
sl@0: #define	O_ACCMODE	0x0003		/* mask for above modes */
sl@0: 
sl@0: #if defined(SYMBIAN_OE_LARGE_FILE_SUPPORT) && !defined(SYMBIAN_OE_NO_LFS)
sl@0: #define O_LARGEFILE 0x0004
sl@0: #endif /* SYMBIAN_OE_LARGE_FILE_SUPPORT && !SYMBIAN_OE_NO_LFS */
sl@0: 
sl@0: /*
sl@0:  * Kernel encoding of open mode; separate read and write bits that are
sl@0:  * independently testable: 1 greater than the above.
sl@0:  *
sl@0:  * XXX
sl@0:  * FREAD and FWRITE are excluded from the #ifdef _KERNEL so that TIOCFLUSH,
sl@0:  * which was documented to use FREAD/FWRITE, continues to work.
sl@0:  */
sl@0: #if __BSD_VISIBLE
sl@0: #define	FREAD		0x0001
sl@0: #define	FWRITE		0x0002
sl@0: #endif
sl@0: #define	O_NONBLOCK	0x0004		/* no delay */
sl@0: #define	O_APPEND	0x0008		/* set append mode */
sl@0: #if __BSD_VISIBLE
sl@0: #define	O_SHLOCK	0x0010		/* open with shared file lock */
sl@0: #define	O_EXLOCK	0x0020		/* open with exclusive file lock */
sl@0: #define	O_ASYNC		0x0040		/* signal pgrp when data ready */
sl@0: #define	O_FSYNC		0x0080		/* synchronous writes */
sl@0: #endif
sl@0: #define	O_SYNC		0x0080		/* POSIX synonym for O_FSYNC */
sl@0: #if __BSD_VISIBLE
sl@0: #define	O_NOFOLLOW	0x0100		/* don't follow symlinks */
sl@0: #endif
sl@0: #define	O_CREAT		0x0200		/* create if nonexistent */
sl@0: #define	O_TRUNC		0x0400		/* truncate to zero length */
sl@0: #define	O_EXCL		0x0800		/* error if already exists */
sl@0: #ifdef _KERNEL
sl@0: #define	FHASLOCK	0x4000		/* descriptor holds advisory lock */
sl@0: #endif
sl@0: 
sl@0: /* Defined by POSIX 1003.1; BSD default, but must be distinct from O_RDONLY. */
sl@0: #define	O_NOCTTY	0x8000		/* don't assign controlling terminal */
sl@0: 
sl@0: #if __BSD_VISIBLE
sl@0: /* Attempt to bypass buffer cache */
sl@0: #define O_DIRECT	0x00010000
sl@0: #endif
sl@0: 
sl@0: //Copied from MRT1.0 fcntl.h header
sl@0: #define _FBUFFERED  0x10000 /* buffer at the interface to the file system */
sl@0: #define _FBINARY        0x10000
sl@0: #define _FTEXT          0x20000
sl@0: #define O_BINARY	_FBINARY
sl@0: #define O_TEXT		_FTEXT
sl@0: #define O_BUFFERED  _FBUFFERED
sl@0: 
sl@0: /*
sl@0:  * XXX missing O_DSYNC, O_RSYNC.
sl@0:  */
sl@0: 
sl@0: #ifdef _KERNEL
sl@0: /* convert from open() flags to/from fflags; convert O_RD/WR to FREAD/FWRITE */
sl@0: #define	FFLAGS(oflags)	((oflags) + 1)
sl@0: #define	OFLAGS(fflags)	((fflags) - 1)
sl@0: 
sl@0: /* bits to save after open */
sl@0: #define	FMASK		(FREAD|FWRITE|FAPPEND|FASYNC|FFSYNC|FNONBLOCK|O_DIRECT)
sl@0: /* bits settable by fcntl(F_SETFL, ...) */
sl@0: #define	FCNTLFLAGS	(FAPPEND|FASYNC|FFSYNC|FNONBLOCK|FPOSIXSHM|O_DIRECT)
sl@0: #endif
sl@0: 
sl@0: /*
sl@0:  * The O_* flags used to have only F* names, which were used in the kernel
sl@0:  * and by fcntl.  We retain the F* names for the kernel f_flag field
sl@0:  * and for backward compatibility for fcntl.  These flags are deprecated.
sl@0:  */
sl@0: #if __BSD_VISIBLE
sl@0: #define	FAPPEND		O_APPEND	/* kernel/compat */
sl@0: #define	FASYNC		O_ASYNC		/* kernel/compat */
sl@0: #define	FFSYNC		O_FSYNC		/* kernel */
sl@0: #define	FNONBLOCK	O_NONBLOCK	/* kernel */
sl@0: #define	FNDELAY		O_NONBLOCK	/* compat */
sl@0: #define	O_NDELAY	O_NONBLOCK	/* compat */
sl@0: #endif
sl@0: 
sl@0: /*
sl@0:  * We are out of bits in f_flag (which is a short).  However,
sl@0:  * the flag bits not set in FMASK are only meaningful in the
sl@0:  * initial open syscall.  Those bits can thus be given a
sl@0:  * different meaning for fcntl(2).
sl@0:  */
sl@0: #if __BSD_VISIBLE
sl@0: 
sl@0: /*
sl@0:  * Set by shm_open(3) to get automatic MAP_ASYNC behavior
sl@0:  * for POSIX shared memory objects (which are otherwise
sl@0:  * implemented as plain files).
sl@0:  */
sl@0: #define	FPOSIXSHM	O_NOFOLLOW
sl@0: #endif
sl@0: 
sl@0: /*SYMBIAN Flag for tmpfile removal*/
sl@0: #ifdef __SYMBIAN32__
sl@0: #define O_TMPFILE 	0x10000000		/* flag for cleanup of tmpfiles*/
sl@0: #endif //__SYMBIAN32__
sl@0: /*SYMBIAN Flag for shm_open()*/
sl@0: #ifdef __SYMBIAN32__
sl@0: #define O_SHMFLG 	0x01000000		/* flag for shm_open()*/
sl@0: #endif //__SYMBIAN32__
sl@0: /*
sl@0:  * Constants used for fcntl(2)
sl@0:  */
sl@0: 
sl@0: /* command values */
sl@0: #define	F_DUPFD		0		/* duplicate file descriptor */
sl@0: #define	F_GETFD		1		/* get file descriptor flags */
sl@0: #define	F_SETFD		2		/* set file descriptor flags */
sl@0: #define	F_GETFL		3		/* get file status flags */
sl@0: #define	F_SETFL		4		/* set file status flags */
sl@0: #if __BSD_VISIBLE || __XSI_VISIBLE || __POSIX_VISIBLE >= 200112
sl@0: #define	F_GETOWN	5		/* get SIGIO/SIGURG proc/pgrp */
sl@0: #define F_SETOWN	6		/* set SIGIO/SIGURG proc/pgrp */
sl@0: #endif
sl@0: #define	F_GETLK		7		/* get record locking information */
sl@0: #define	F_SETLK		8		/* set record locking information */
sl@0: #define	F_SETLKW	9		/* F_SETLK; wait if blocked */
sl@0: 
sl@0: #if defined(SYMBIAN_OE_LARGE_FILE_SUPPORT) && !defined(SYMBIAN_OE_NO_LFS)
sl@0: #define F_GETLK64	F_GETLK
sl@0: #define F_SETLK64	F_SETLK
sl@0: #define F_SETLKW64	F_SETLKW
sl@0: #endif /* SYMBIAN_OE_LARGE_FILE_SUPPORT && !SYMBIAN_OE_NO_LFS */
sl@0: 
sl@0: /* file descriptor flags (F_GETFD, F_SETFD) */
sl@0: #define	FD_CLOEXEC	1		/* close-on-exec flag */
sl@0: 
sl@0: /* record locking flags (F_GETLK, F_SETLK, F_SETLKW) */
sl@0: #define	F_RDLCK		1		/* shared or read lock */
sl@0: #define	F_UNLCK		2		/* unlock */
sl@0: #define	F_WRLCK		3		/* exclusive or write lock */
sl@0: #ifdef _KERNEL
sl@0: #define	F_WAIT		0x010		/* Wait until lock is granted */
sl@0: #define	F_FLOCK		0x020	 	/* Use flock(2) semantics for lock */
sl@0: #define	F_POSIX		0x040	 	/* Use POSIX semantics for lock */
sl@0: #endif
sl@0: 
sl@0: /*
sl@0:  * Advisory file segment locking data type -
sl@0:  * information passed to system by user
sl@0:  */
sl@0: struct flock {
sl@0: 	off_t	l_start;	/* starting offset */
sl@0: 	off_t	l_len;		/* len = 0 means until end of file */
sl@0: 	pid_t	l_pid;		/* lock owner */
sl@0: 	short	l_type;		/* lock type: read/write, etc. */
sl@0: 	short	l_whence;	/* type of l_start */
sl@0: };
sl@0: 
sl@0: #if defined(SYMBIAN_OE_LARGE_FILE_SUPPORT) && !defined(SYMBIAN_OE_NO_LFS)
sl@0: #define flock64	flock
sl@0: #endif /* SYMBIAN_OE_LARGE_FILE_SUPPORT && !SYMBIAN_OE_NO_LFS */
sl@0: 
sl@0: 
sl@0: #if __BSD_VISIBLE
sl@0: /* lock operations for flock(2) */
sl@0: #define	LOCK_SH		0x01		/* shared file lock */
sl@0: #define	LOCK_EX		0x02		/* exclusive file lock */
sl@0: #define	LOCK_NB		0x04		/* don't block when locking */
sl@0: #define	LOCK_UN		0x08		/* unlock file */
sl@0: #endif
sl@0: 
sl@0: /*
sl@0:  * XXX missing posix_fadvise() and posix_fallocate(), and POSIX_FADV_* macros.
sl@0:  */
sl@0: 
sl@0: #ifndef _KERNEL
sl@0: __BEGIN_DECLS
sl@0: IMPORT_C int	open(const char *, int, ...);
sl@0: IMPORT_C int	creat(const char *, mode_t);
sl@0: IMPORT_C int	fcntl(int, int, ...);
sl@0: 
sl@0: #if defined(SYMBIAN_OE_LARGE_FILE_SUPPORT) && !defined(SYMBIAN_OE_NO_LFS)
sl@0: #define open64	open
sl@0: #define creat64	creat
sl@0: #endif /* SYMBIAN_OE_LARGE_FILE_SUPPORT && !SYMBIAN_OE_NO_LFS */
sl@0: 
sl@0: #if __BSD_VISIBLE
sl@0: int	flock(int, int);
sl@0: #endif
sl@0: __END_DECLS
sl@0: #endif
sl@0: 
sl@0: #endif /* !_SYS_FCNTL_H_ */