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IoGetOplockKeyContext function (ntddk.h)

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The IoGetOplockKeyContext routine returns a target oplock key context for a file object.

Syntax

POPLOCK_KEY_ECP_CONTEXT IoGetOplockKeyContext(
  PFILE_OBJECT FileObject
);

Parameters

FileObject

The file object to query for an oplock key context.

Return value

A pointer to an OPLOCK_KEY_ECP_CONTEXT structure containing the target oplock key for FileObject. Otherwise, NULL if FileObject has no target oplock key.

Remarks

Use the IoGetOplockKeyContext routine only in Windows 7. Because IoGetOplockKeyContextEx returns a dual oplock key context, it should be used in Windows 8 and later versions of Windows.

Requirements

Requirement Value
Target Platform Universal
Header ntddk.h
Library Ntoskrnl.lib
IRQL <= DISPATCH_LEVEL

See also

IoGetOplockKeyContextEx

OPLOCK_KEY_CONTEXT

OPLOCK_KEY_ECP_CONTEXT