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/*++
Copyright (c) 1990 Microsoft Corporation
Module Name:
dllfile.h
Abstract:
This module defines the OS/2 subsystem I/O data structures for the
DLL.
Author:
Therese Stowell (thereses) 17-Dec-1989
Revision History:
--*/
#include "os2file.h"
//
// File System variables
//
// per-process current directory information for current drive
//
CURRENT_DIRECTORY_INFORMATION Od2CurrentDirectory;
// per-process default drive
// BUGBUG in InitDLL, set CurrentDisk to boot disk
ULONG Od2CurrentDisk;
// file handle table variables. initially, HandleTable points to
// SmallHandleTable. most processes won't use more than 20 handles.
// if the handle table is full, space in the heap is allocated and the
// SmallHandleTable is copied over.
PFILE_HANDLE HandleTable; // pointer to handle table
ULONG HandleTableLength; // number of entries in handle table
FILE_HANDLE SmallHandleTable[INITIALFILEHANDLES]; // initial handle table
BOOLEAN VerifyFlag; // variable used by DosSet/QueryVerify
// search handle table variables. this size of this table is managed the
// same way as the file handle table, except the table is grown when a search
// handle allocation fails, not when the user specifies it.
PSEARCH_RECORD *SearchHandleTable; // pointer to search handle table
ULONG SearchHandleTableLength; // number of entries in search handle table
PSEARCH_RECORD SmallSearchHandleTable[INITIAL_SEARCH_HANDLES]; // initial search handle table
//
// the client keeps two tables which include information about the current
// directories on the different drives.
// Od2DirHandles holds for each drive a handle to the current directory.
// Od2DirHandlesIsValid holds for each drive a flag indicating whether the
// current directory on it was initialized or not.
//
HANDLE Od2DirHandles[MAX_DRIVES];
BOOLEAN Od2DirHandlesIsValid[MAX_DRIVES];
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