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D3DKMTAcquireKeyedMutex function (d3dkmthk.h)

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The D3DKMTAcquireKeyedMutex function acquires a keyed mutex object.

Syntax

NTSTATUS D3DKMTAcquireKeyedMutex(
  D3DKMT_ACQUIREKEYEDMUTEX *unnamedParam1
);

Parameters

unnamedParam1

pData [in, out]

A pointer to a D3DKMT_ACQUIREKEYEDMUTEX structure that specifies the keyed mutex object to acquire.

Return value

D3DKMTAcquireKeyedMutex returns one of the following values:

Return code Description
STATUS_SUCCESS The keyed mutex object was successfully acquired.
STATUS_DEVICE_REMOVED The graphics adapter was stopped or the display device was reset.
STATUS_INVALID_PARAMETER Parameters were validated and determined to be incorrect.
STATUS_NO_MEMORY D3DKMTAcquireKeyedMutex could not complete because of insufficient memory.

This function might also return other NTSTATUS values.

Requirements

Requirement Value
Minimum supported client D3DKMTAcquireKeyedMutex is supported beginning with the Windows 7 operating system.
Target Platform Universal
Header d3dkmthk.h (include D3dkmthk.h)
Library Gdi32.lib
DLL Gdi32.dll

See also

D3DKMT_ACQUIREKEYEDMUTEX