mirror of
https://github.com/reactos/reactos.git
synced 2024-10-30 03:27:31 +00:00
74 lines
1.8 KiB
C
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 */
|
|
|