// d3dkmthk.h

typedef struct _D3DKMT_ACQUIREKEYEDMUTEX2 {
  D3DKMT_HANDLE         hKeyedMutex;
  D3DKMT_ALIGN64 UINT64 Key;
  PLARGE_INTEGER        pTimeout;
  D3DKMT_ALIGN64 UINT64 FenceValue;
  VOID                  *pPrivateRuntimeData;
  UINT                  PrivateRuntimeDataSize;
} D3DKMT_ACQUIREKEYEDMUTEX2;
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Windows Driver Kit DDI reference (ns-d3dkmthk-_d3dkmt_acquirekeyedmutex2)

D3DKMT_ACQUIREKEYEDMUTEX2 structure

Description

Describes a keyed mutex object that the D3DKMTAcquireKeyedMutex2 function acquires that includes private data.

Members

`hKeyedMutex`

[in] A D3DKMT_HANDLE data type that represents a handle to the keyed mutex.

`Key`

[in] The key value to acquire.

`pTimeout`

[in] An NT-style timeout value.

`FenceValue`

[out] The current fence value of the GPU sync object.

`pPrivateRuntimeData`

[out] A pointer to a buffer to copy private data to.

`PrivateRuntimeDataSize`

[in] The size, in bytes, of the pPrivateRuntimeData member.

D3DKMT_ACQUIREKEYEDMUTEX2 - NtDoc