FltUninitializeOplock function (fltkernel.h)

Article
02/22/2024

FltUninitializeOplock uninitializes an opportunistic lock (oplock) pointer.

Syntax

VOID FLTAPI FltUninitializeOplock(
  [in] POPLOCK Oplock
);

Parameters

[in] Oplock

Opaque oplock pointer. This pointer must have been initialized by a previous call to FltInitializeOplock.

Return value

None

Remarks

Minifilter drivers call FltUninitializeOplock to uninitialize an initialized opportunistic lock (oplock) pointer. The uninitialized oplock pointer can be initialized for reuse by calling FltInitializeOplock.

For detailed information about opportunistic locks, see the Microsoft Windows SDK documentation.

Requirements

Requirement	Value
Target Platform	Universal
Header	fltkernel.h (include Fltkernel.h)
Library	FltMgr.lib
DLL	Fltmgr.sys
IRQL	<= APC_LEVEL