78 lines
2.5 KiB
C
78 lines
2.5 KiB
C
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/******************************************************************************
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Copyright (c) 1985-1998 Microsoft Corporation
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Title: drvr.h - Installable driver code internal header file.
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Version: 1.00
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Date: 10-Jun-1990
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Author: DAVIDDS ROBWI
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------------------------------------------------------------------------------
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Change log:
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DATE REV DESCRIPTION
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----------- ----- -----------------------------------------------------------
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10-JUN-1990 ROBWI Based on windows 3.1 installable driver code by davidds
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28-FEB-1992 ROBINSP Port to NT
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*****************************************************************************/
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typedef LRESULT (*DRIVERPROC)
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(DWORD_PTR dwDriverID, HDRVR hDriver, UINT wMessage, LPARAM lParam1, LPARAM lParam2);
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#define DRIVER_PROC_NAME "DriverProc"
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#if 0
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extern BOOL fUseWinAPI;
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#else
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#define fUseWinAPI FALSE
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#endif
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typedef struct tagDRIVERTABLE
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{
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UINT fFirstEntry:1;
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UINT fBusy:1;
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DWORD_PTR dwDriverIdentifier;
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DWORD_PTR hModule;
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DRIVERPROC lpDriverEntryPoint;
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} DRIVERTABLE;
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typedef DRIVERTABLE FAR *LPDRIVERTABLE;
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LRESULT FAR PASCAL InternalBroadcastDriverMessage(UINT, UINT, LPARAM, LPARAM, UINT);
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LRESULT FAR PASCAL InternalCloseDriver(UINT, LPARAM, LPARAM, BOOL);
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LRESULT FAR PASCAL InternalOpenDriver(LPCWSTR, LPCWSTR, LPARAM, BOOL);
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LRESULT FAR PASCAL InternalLoadDriver(LPCWSTR, LPCWSTR, LPWSTR, UINT, BOOL);
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UINT FAR PASCAL InternalFreeDriver(UINT, BOOL);
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void FAR PASCAL InternalInstallDriverChain (void);
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void FAR PASCAL InternalDriverDisable (void);
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void FAR PASCAL InternalDriverEnable (void);
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int FAR PASCAL GetDrvrUsage(HANDLE);
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HANDLE FAR PASCAL LoadAliasedLibrary (LPCWSTR, LPCWSTR, LPWSTR, LPWSTR, UINT);
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/* Defines for internalbroadcastdrivermessage flags */
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#define IBDM_SENDMESSAGE 0x0001
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#define IBDM_REVERSE 0x0002
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#define IBDM_ONEINSTANCEONLY 0x0004
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/* Multi-thread protection for OpenDriver etc */
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#define DrvEnter() EnterCriticalSection(&DriverListCritSec)
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#define DrvLeave() LeaveCriticalSection(&DriverListCritSec)
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/*
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* DriverListCritSec keeps our handling of the driver list and count
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* protected
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*
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* DriverLoadFreeCritSec keeps our loads and frees from overlapping
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*/
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extern CRITICAL_SECTION DriverListCritSec;
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extern CRITICAL_SECTION DriverLoadFreeCritSec;
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#define REGSTR_PATH_WAVEMAPPER TEXT("Software\\Microsoft\\Windows NT\\CurrentVersion\\Wave Mapper")
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#define REGSTR_VALUE_MAPPABLE TEXT("Mappable")
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