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4/8/2010

This function authorizes read or write requests.

Syntax 

BOOL
FSDMGR_TestFileLock(
	PACQUIREFILELOCKSTATE pAcquireFileLockState,
	PRELEASEFILELOCKSTATE pReleaseFileLockState,
	DWORD dwHandle,
	BOOL fRead,
	DWORD cbReadWrite
	);

Parameters

pAcquireFileLockState

Pointer to a PACQUIREFILELOCKSTATEfunction.

pReleaseFileLockState

Pointer to a PRELEASEFILELOCKSTATEfunction.

dwHandle

Handle to the specified file.

fRead

Specifies whether the file can be read.

cbReadWrite

Specifies whether the file can be read and written to.

Return Value

Nonzero indicates success. Zero indicates failure. To get extended error information, call GetLastError.

Remarks

The FSD can simply pass all parameters received by MyFSD_LockFileExto this helper function, along with two helper function pointers, PACQUIREFILELOCKSTATEand PRELEASEFILELOCKSTATE, implemented by the FSD.

This function is a Lock Manager function provided by FSDMGR to assist FSDs with implementing the MyFSD_LockFileExand the MyFSD_UnLockFileExfunctions.

Requirements

Header lockmgr.h
Library Fsdmgr.lib
Windows Embedded CE Windows Embedded CE 6.0 and later
Windows Mobile Windows Mobile 6 and later

See Also