reactos/posix/include/psx/fdtable.h
KJK::Hyperion 5c3b75ab41 added missing include
svn path=/trunk/; revision=2702
2002-03-11 20:50:49 +00:00

74 lines
1.8 KiB
C

/* $Id: fdtable.h,v 1.3 2002/03/11 20:50:49 hyperion Exp $
*/
/*
* psx/fdtable.h
*
* POSIX+ subsystem file descriptor table data structure
*
* 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 __PSX_FDTABLE_H_INCLUDED__
#define __PSX_FDTABLE_H_INCLUDED__
/* INCLUDES */
#include <limits.h>
#include <inttypes.h>
#include <stddef.h>
#include <psx/safeobj.h>
/* OBJECTS */
/* TYPES */
typedef struct __tagfildes_t
{
void *FileHandle;
int OpenFlags;
int FdFlags;
size_t ExtraDataSize;
void *ExtraData;
} __fildes_t;
typedef struct __tagfdtable_t
{
__magic_t Signature;
int32_t LowestUnusedFileNo;
int32_t UsedDescriptors;
int32_t AllocatedDescriptors;
uint32_t DescriptorsBitmap[OPEN_MAX / 32];
__fildes_t *Descriptors;
} __fdtable_t;
/* CONSTANTS */
/* PROTOTYPES */
int __fdtable_init(__fdtable_t *);
int __fdtable_free(__fdtable_t *);
int __fdtable_entry_isavail(__fdtable_t *, int);
int __fdtable_entry_nextavail(__fdtable_t *, int);
int __fdtable_entry_add(__fdtable_t *, int, __fildes_t *, __fildes_t **);
int __fdtable_entry_remove(__fdtable_t *, int);
__fildes_t *__fdtable_entry_get(__fdtable_t *, int);
/* MACROS */
#define __FDTABLE_MAGIC MAGIC('F', 'D', 'T', 'B')
#endif /* __PSX_FDTABLE_H_INCLUDED__ */
/* EOF */