85 lines
1.8 KiB
C
85 lines
1.8 KiB
C
/*++
|
|
|
|
Copyright (c) 1989 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
msconst.h
|
|
|
|
Abstract:
|
|
|
|
This module defines all of the node type codes used in this development
|
|
shell.
|
|
|
|
Author:
|
|
|
|
Manny Weiser (mannyw) 7-Jan-1991
|
|
|
|
Revision History:
|
|
|
|
--*/
|
|
|
|
#ifndef _MSCONST_
|
|
#define _MSCONST_
|
|
|
|
//
|
|
// Every major data structure in the file system is assigned a node
|
|
// type code. This code is the first CSHORT in the structure and is
|
|
// followed by a CSHORT containing the size, in bytes, of the structure.
|
|
//
|
|
|
|
typedef CSHORT NODE_TYPE_CODE;
|
|
typedef NODE_TYPE_CODE *PNODE_TYPE_CODE;
|
|
|
|
#define NTC_UNDEFINED ((NODE_TYPE_CODE)0x0000)
|
|
|
|
#define MSFS_NTC_VCB ((NODE_TYPE_CODE)0x0601)
|
|
#define MSFS_NTC_ROOT_DCB ((NODE_TYPE_CODE)0x0602)
|
|
#define MSFS_NTC_FCB ((NODE_TYPE_CODE)0x0604)
|
|
#define MSFS_NTC_CCB ((NODE_TYPE_CODE)0x0606)
|
|
#define MSFS_NTC_ROOT_DCB_CCB ((NODE_TYPE_CODE)0x0608)
|
|
|
|
typedef CSHORT NODE_BYTE_SIZE;
|
|
|
|
//
|
|
// The name of the mailslot file system.
|
|
//
|
|
|
|
#define MSFS_NAME_STRING L"MSFS"
|
|
|
|
//
|
|
// Volume label
|
|
//
|
|
#define MSFS_VOLUME_LABEL L"Mailslot"
|
|
|
|
//
|
|
// The default read timeout. This is used if no timeout is specified
|
|
// when the mailslot is created.
|
|
//
|
|
|
|
#define DEFAULT_READ_TIMEOUT { -1, -1 }
|
|
|
|
//
|
|
// The number of parameter bytes returned by a peek call.
|
|
//
|
|
|
|
#define PEEK_OUTPUT_PARAMETER_BYTES \
|
|
((ULONG)FIELD_OFFSET(FILE_MAILSLOT_PEEK_BUFFER, Data[0]))
|
|
|
|
//
|
|
// The number of parameter bytes returned by a mailslot read call.
|
|
//
|
|
|
|
#define READ_OUTPUT_PARAMETER_BYTES \
|
|
((ULONG)FIELD_OFFSET(FILE_MAILSLOT_READ_BUFFER, Data[0]))
|
|
|
|
//
|
|
// Access to the block header information.
|
|
//
|
|
|
|
#define NodeType(Ptr) (*((PNODE_TYPE_CODE)(Ptr)))
|
|
|
|
|
|
#endif // _MSCONST_
|
|
|