// d3dkmthk.h

PFND3DKMT_CREATEKEYEDMUTEX Pfnd3dkmtCreatekeyedmutex;

NTSTATUS Pfnd3dkmtCreatekeyedmutex(
  D3DKMT_CREATEKEYEDMUTEX *unnamedParam1
)
{...}
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Windows Driver Kit DDI reference (nc-d3dkmthk-pfnd3dkmt_createkeyedmutex)

PFND3DKMT_CREATEKEYEDMUTEX callback function

Description

The D3DKMTCreateKeyedMutex function creates a keyed mutex object.

Parameters

`unnamedParam1`

pData [in, out]

A pointer to a D3DKMT_CREATEKEYEDMUTEX structure that describes a keyed mutex object to create.

Return value

D3DKMTCreateKeyedMutex returns an NTSTATUS code such as one of the following values:

Return code	Description
STATUS_SUCCESS	The keyed mutex object was successfully created.
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	D3DKMTCreateKeyedMutex could not complete because of insufficient memory.

PFND3DKMT_CREATEKEYEDMUTEX - NtDoc