D3DKMTOpenKeyedMutex function (d3dkmthk.h)
The D3DKMTOpenKeyedMutex function opens a keyed mutex object.
Syntax
NTSTATUS D3DKMTOpenKeyedMutex(
D3DKMT_OPENKEYEDMUTEX *unnamedParam1
);
Parameters
unnamedParam1
pData [in, out]
A pointer to a D3DKMT_OPENKEYEDMUTEX structure that describes a keyed mutex object.
Return value
D3DKMTOpenKeyedMutex returns one of the following values:
| Return code | Description |
|---|---|
| STATUS_SUCCESS | The keyed mutex object was successfully opened. |
| 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 | D3DKMTOpenKeyedMutex could not complete because of insufficient memory. |
This function might also return other NTSTATUS values.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | D3DKMTOpenKeyedMutex is supported beginning with the Windows 7 operating system. |
| Target Platform | Universal |
| Header | d3dkmthk.h (include D3dkmthk.h) |
| Library | Gdi32.lib |
| DLL | Gdi32.dll |