mirror of
https://github.com/reactos/reactos.git
synced 2024-11-18 21:13:52 +00:00
149 lines
3.9 KiB
C
149 lines
3.9 KiB
C
/* $Id: fcntl.h,v 1.2 2002/02/20 09:17:54 hyperion Exp $
|
|
*/
|
|
/*
|
|
* fcntl.h
|
|
*
|
|
* file control options. Conforming to the Single UNIX(r) Specification
|
|
* Version 2, System Interface & Headers Issue 5
|
|
*
|
|
* This file is part of the ReactOS Operating System.
|
|
*
|
|
* Contributors:
|
|
* Created by KJK::Hyperion <noog@libero.it>
|
|
*
|
|
* THIS SOFTWARE IS NOT COPYRIGHTED
|
|
*
|
|
* This source code is offered for use in the public domain. You may
|
|
* use, modify or distribute it freely.
|
|
*
|
|
* This code is distributed in the hope that it will be useful but
|
|
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
|
|
* DISCLAMED. This includes but is not limited to warranties of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
*
|
|
*/
|
|
#ifndef __FCNTL_H_INCLUDED__
|
|
#define __FCNTL_H_INCLUDED__
|
|
|
|
/* INCLUDES */
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
|
|
/* OBJECTS */
|
|
|
|
/* TYPES */
|
|
/*
|
|
the structure flock describes a file lock
|
|
*/
|
|
struct flock
|
|
{
|
|
short l_type; /* type of lock; F_RDLCK, F_WRLCK, F_UNLCK */
|
|
short l_whence; /* flag for starting offset */
|
|
off_t l_start; /* relative offset in bytes */
|
|
off_t l_len; /* size; if 0 then until EOF */
|
|
pid_t l_pid; /* process ID of the process holding the lock;
|
|
returned with F_GETLK */
|
|
};
|
|
|
|
/* CONSTANTS */
|
|
/*
|
|
values for cmd used by fcntl()
|
|
*/
|
|
enum __fcntl_cmd
|
|
{
|
|
F_DUPFD, /* duplicate file descriptor */
|
|
F_GETFD, /* get file descriptor flags */
|
|
F_SETFD, /* set file descriptor flags */
|
|
F_GETFL, /* get file status flags and file access modes */
|
|
F_SETFL, /* Set file status flags */
|
|
F_GETLK, /* get record locking information */
|
|
F_SETLK, /* set record locking information */
|
|
F_SETLKW, /* set record locking information; wait if blocked */
|
|
/* ReactOS-specific */
|
|
F_NEWFD, /* create new file descriptor */
|
|
F_DELFD, /* delete file descriptor */
|
|
F_GETALL, /* get a copy of the internal descriptor object */
|
|
F_SETALL, /* initialize internal descriptor object */
|
|
F_GETXP, /* get file descriptor extra data pointer */
|
|
F_SETXP, /* set file descriptor extra data pointer */
|
|
F_GETXS, /* get file descriptor extra data size */
|
|
F_SETXS, /* set file descriptor extra data size */
|
|
F_GETFH, /* get file handle */
|
|
F_SETFH /* set file handle */
|
|
};
|
|
|
|
/*
|
|
file descriptor flags used for fcntl()
|
|
*/
|
|
/* Close the file descriptor upon execution of an exec family function. */
|
|
#define FD_CLOEXEC (0x00000001)
|
|
|
|
/*
|
|
values for l_type used for record locking with fcntl()
|
|
*/
|
|
/* Shared or read lock. */
|
|
#define F_RDLCK (1)
|
|
/* Unlock. */
|
|
#define F_UNLCK (2)
|
|
/* Exclusive or write lock. */
|
|
#define F_WRLCK (3)
|
|
|
|
/*
|
|
file flags used for open()
|
|
*/
|
|
/* Create file if it does not exist. */
|
|
#define O_CREAT (0x00000001)
|
|
/* Exclusive use flag. */
|
|
#define O_EXCL (0x00000002)
|
|
/* Do not assign controlling terminal. */
|
|
#define O_NOCTTY (0x00000004)
|
|
/* Truncate flag. */
|
|
#define O_TRUNC (0x00000008)
|
|
/* ReactOS-specific */
|
|
/* File must be a directory */
|
|
#define _O_DIRFILE (0x00000010)
|
|
|
|
/*
|
|
file status flags used for open() and fcntl()
|
|
*/
|
|
/* Set append mode. */
|
|
#define O_APPEND (0x00000100)
|
|
/* Write according to synchronised I/O data integrity completion. */
|
|
#define O_DSYNC (0x00000200)
|
|
/* Non-blocking mode. */
|
|
#define O_NONBLOCK (0x00000400)
|
|
/* Synchronised read I/O operations. */
|
|
#define O_RSYNC (0x00000800)
|
|
/* Write according to synchronised I/O file integrity completion. */
|
|
#define O_SYNC (0x00001000)
|
|
|
|
/*
|
|
file access modes used for open() and fcntl()
|
|
*/
|
|
/* Open for reading only. */
|
|
#define O_RDONLY (0x01000000)
|
|
/* Open for reading and writing. */
|
|
#define O_RDWR (0x02000000)
|
|
/* Open for writing only. */
|
|
#define O_WRONLY (0x04000000)
|
|
|
|
/*
|
|
mask for use with file access modes
|
|
*/
|
|
#define O_ACCMODE (O_RDONLY | O_RDWR | O_WRONLY)
|
|
|
|
/* PROTOTYPES */
|
|
int creat(const char *, mode_t);
|
|
int fcntl(int, int, ...);
|
|
int open(const char *, int, ...);
|
|
|
|
int _Wcreat(const wchar_t *, mode_t);
|
|
int _Wopen(const wchar_t *, int, ...);
|
|
|
|
/* MACROS */
|
|
|
|
#endif /* __FCNTL_H_INCLUDED__ */
|
|
|
|
/* EOF */
|
|
|