Edit

PFND3DKMT_ACQUIREKEYEDMUTEX callback function (d3dkmthk.h)

  • Article

The D3DKMTAcquireKeyedMutex function acquires a keyed mutex object.

Syntax

PFND3DKMT_ACQUIREKEYEDMUTEX Pfnd3dkmtAcquirekeyedmutex;

NTSTATUS Pfnd3dkmtAcquirekeyedmutex(
  [in, out] D3DKMT_ACQUIREKEYEDMUTEX *unnamedParam1
)
{...}

Parameters

[in, out] unnamedParam1

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)

See also

D3DKMT_ACQUIREKEYEDMUTEX