williamr@2: /*
williamr@2: * Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
williamr@2: * All rights reserved.
williamr@2: * This component and the accompanying materials are made available
williamr@4: * under the terms of "Eclipse Public License v1.0"
williamr@2: * which accompanies this distribution, and is available
williamr@4: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
williamr@2: *
williamr@2: * Initial Contributors:
williamr@2: * Nokia Corporation - initial contribution.
williamr@2: *
williamr@2: * Contributors:
williamr@2: *
williamr@2: * Description:
williamr@2: *
williamr@2: */
williamr@2: 
williamr@2: 
williamr@2: 
williamr@2: /**
williamr@2:  @file
williamr@2:  @publishedAll
williamr@2:  @released
williamr@2: */
williamr@2: 
williamr@2: #ifndef	_FCNTL_
williamr@2: #define	_FCNTL_
williamr@2: 
williamr@2: #ifdef __cplusplus
williamr@2: extern "C" {
williamr@2: #endif
williamr@2: 
williamr@2: #include <_ansi.h>
williamr@2: #define	_FOPEN		(-1)	/* from sys/file.h, kernel use only */
williamr@2: #define	_FREAD		0x0001	/* read enabled */
williamr@2: #define	_FWRITE		0x0002	/* write enabled */
williamr@2: #define	_FNDELAY	0x0004	/* non blocking I/O (4.2 style) */
williamr@2: #define	_FAPPEND	0x0008	/* append (writes guaranteed at the end) */
williamr@2: #define	_FMARK		0x0010	/* internal; mark during gc() */
williamr@2: #define	_FDEFER		0x0020	/* internal; defer for next gc pass */
williamr@2: #define	_FASYNC		0x0040	/* signal pgrp when data ready */
williamr@2: #define	_FSHLOCK	0x0080	/* BSD flock() shared lock present */
williamr@2: #define	_FEXLOCK	0x0100	/* BSD flock() exclusive lock present */
williamr@2: #define	_FCREAT		0x0200	/* open with file create */
williamr@2: #define	_FTRUNC		0x0400	/* open with truncation */
williamr@2: #define	_FEXCL		0x0800	/* error on open if file exists */
williamr@2: #define	_FNBIO		0x1000	/* non blocking I/O (sys5 style) */
williamr@2: #define	_FSYNC		0x2000	/* do all writes synchronously */
williamr@2: #define	_FNONBLOCK	0x4000	/* non blocking I/O (POSIX style) */
williamr@2: #define	_FNOCTTY	0x8000	/* don't assign a ctty on this open */
williamr@2: 
williamr@2: #define _FBUFFERED  0x10000 /* buffer at the interface to the file system */
williamr@2: 
williamr@2: #define	O_ACCMODE	(O_RDONLY|O_WRONLY|O_RDWR)
williamr@2: 
williamr@2: /**
williamr@2: Flag values for open(2) and fcntl(2)
williamr@2: The kernel adds 1 to the open modes to turn it into some
williamr@2: combination of FREAD and FWRITE.
williamr@2: */
williamr@2: #define	O_RDONLY	0		/* +1 == FREAD */
williamr@2: #define	O_WRONLY	1		/* +1 == FWRITE */
williamr@2: #define	O_RDWR		2		/* +1 == FREAD|FWRITE */
williamr@2: #define	O_APPEND	_FAPPEND
williamr@2: #define	O_CREAT		_FCREAT
williamr@2: #define	O_TRUNC		_FTRUNC
williamr@2: #define	O_EXCL		_FEXCL
williamr@2: /*	O_SYNC		_FSYNC		not posix, defined below */
williamr@2: /*	O_NDELAY	_FNDELAY 	set in include/fcntl.h */
williamr@2: /*	O_NDELAY	_FNBIO 		set in 5include/fcntl.h */
williamr@2: #define	O_NONBLOCK	_FNONBLOCK
williamr@2: #define	O_NOCTTY	_FNOCTTY
williamr@2: 
williamr@2: #define _FBINARY        0x10000
williamr@2: #define _FTEXT          0x20000
williamr@2: #define O_BINARY	_FBINARY
williamr@2: #define O_TEXT		_FTEXT
williamr@2: #define O_BUFFERED  _FBUFFERED
williamr@2: 
williamr@2: #ifndef	_POSIX_SOURCE
williamr@2: 
williamr@2: #define	O_SYNC		_FSYNC
williamr@2: 
williamr@2: /**
williamr@2: Flags that work for fcntl(fd, F_SETFL, FXXXX)
williamr@2: */
williamr@2: #define	FAPPEND		_FAPPEND
williamr@2: #define	FSYNC		_FSYNC
williamr@2: #define	FASYNC		_FASYNC
williamr@2: #define	FNBIO		_FNBIO
williamr@2: #define	FNONBIO		_FNONBLOCK	/* XXX fix to be NONBLOCK everywhere */
williamr@2: #define	FNDELAY		_FNDELAY
williamr@2: 
williamr@2: /**
williamr@2: Flags that are disallowed for fcntl's (FCNTLCANT);
williamr@2: used for opens, internal state, or locking.
williamr@2: */
williamr@2: #define	FREAD		_FREAD
williamr@2: #define	FWRITE		_FWRITE
williamr@2: #define	FMARK		_FMARK
williamr@2: #define	FDEFER		_FDEFER
williamr@2: #define	FSHLOCK		_FSHLOCK
williamr@2: #define	FEXLOCK		_FEXLOCK
williamr@2: 
williamr@2: /**
williamr@2: The rest of the flags, used only for opens
williamr@2: */
williamr@2: #define	FOPEN		_FOPEN
williamr@2: #define	FCREAT		_FCREAT
williamr@2: #define	FTRUNC		_FTRUNC
williamr@2: #define	FEXCL		_FEXCL
williamr@2: #define	FNOCTTY		_FNOCTTY
williamr@2: #define FBUFFERED   _FBUFFERED
williamr@2: 
williamr@2: #endif	/* !_POSIX_SOURCE */
williamr@2: 
williamr@2: /**
williamr@2: XXX close on exec request; must match UF_EXCLOSE in user.h 
williamr@2: */
williamr@2: #define	FD_CLOEXEC	1	/* posix */
williamr@2: 
williamr@2: /** 
williamr@2: fcntl(2) requests 
williamr@2: */
williamr@2: #define	F_DUPFD		0	/* Duplicate fildes */
williamr@2: #define	F_GETFD		1	/* Get fildes flags (close on exec) */
williamr@2: #define	F_SETFD		2	/* Set fildes flags (close on exec) */
williamr@2: #define	F_GETFL		3	/* Get file flags */
williamr@2: #define	F_SETFL		4	/* Set file flags */
williamr@2: #ifndef	_POSIX_SOURCE
williamr@2: #define	F_GETOWN 	5	/* Get owner - for ASYNC */
williamr@2: #define	F_SETOWN 	6	/* Set owner - for ASYNC */
williamr@2: #endif	/* !_POSIX_SOURCE */
williamr@2: #define	F_GETLK  	7	/* Get record-locking information */
williamr@2: #define	F_SETLK  	8	/* Set or Clear a record-lock (Non-Blocking) */
williamr@2: #define	F_SETLKW 	9	/* Set or Clear a record-lock (Blocking) */
williamr@2: #ifndef	_POSIX_SOURCE
williamr@2: #define	F_RGETLK 	10	/* Test a remote lock to see if it is blocked */
williamr@2: #define	F_RSETLK 	11	/* Set or unlock a remote lock */
williamr@2: #define	F_CNVT 		12	/* Convert a fhandle to an open fd */
williamr@2: #define	F_RSETLKW 	13	/* Set or Clear remote record-lock(Blocking) */
williamr@2: #endif	/* !_POSIX_SOURCE */
williamr@2: 
williamr@2: /** 
williamr@2: fcntl(2) flags (l_type field of flock structure) 
williamr@2: */
williamr@2: #define	F_RDLCK		1	/* read lock */
williamr@2: #define	F_WRLCK		2	/* write lock */
williamr@2: #define	F_UNLCK		3	/* remove lock(s) */
williamr@2: #ifndef	_POSIX_SOURCE
williamr@2: #define	F_UNLKSYS	4	/* remove remote locks for a given system */
williamr@2: #endif	/* !_POSIX_SOURCE */
williamr@2: 
williamr@2: /*#include <sys/stdtypes.h>*/
williamr@2: 
williamr@2: /** 
williamr@2: file segment locking set data type - information passed to system by user 
williamr@2: */
williamr@2: struct flock {
williamr@2: 	short	l_type;		/* F_RDLCK, F_WRLCK, or F_UNLCK */
williamr@2: 	short	l_whence;	/* flag to choose starting offset */
williamr@2: 	long	l_start;	/* relative offset, in bytes */
williamr@2: 	long	l_len;		/* length, in bytes; 0 means lock to EOF */
williamr@2: 	short	l_pid;		/* returned with F_GETLK */
williamr@2: 	short	l_xxx;		/* reserved for future use */
williamr@2: };
williamr@2: 
williamr@2: #ifndef	_POSIX_SOURCE
williamr@2: /** 
williamr@2: extended file segment locking set data type 
williamr@2: */
williamr@2: struct eflock {
williamr@2: 	short	l_type;		/* F_RDLCK, F_WRLCK, or F_UNLCK */
williamr@2: 	short	l_whence;	/* flag to choose starting offset */
williamr@2: 	long	l_start;	/* relative offset, in bytes */
williamr@2: 	long	l_len;		/* length, in bytes; 0 means lock to EOF */
williamr@2: 	short	l_pid;		/* returned with F_GETLK */
williamr@2: 	short	l_xxx;		/* reserved for future use */
williamr@2: 	long	l_rpid;		/* Remote process id wanting this lock */
williamr@2: 	long	l_rsys;		/* Remote system id wanting this lock */
williamr@2: };
williamr@2: #endif	/* !_POSIX_SOURCE */
williamr@2: 
williamr@2: 
williamr@2: #include <sys/types.h>
williamr@2: #include <sys/stat.h>		/* sigh. for the mode bits for open/creat */
williamr@2: 
williamr@2: #define creat(n,m)	open(n,O_WRONLY|O_CREAT|O_TRUNC,m)
williamr@2: IMPORT_C int open	(const char *, int, ...);
williamr@2: IMPORT_C int wopen	(const wchar_t *, int, ...);
williamr@2: extern int fcntl	(int, int, ...);
williamr@2: 
williamr@2: #ifdef __cplusplus
williamr@2: }
williamr@2: #endif
williamr@2: #endif	/* !_FCNTL_ */