VideoPortDeleteSpinLock function (video.h)
The VideoPortDeleteSpinLock function deletes a given spin lock.
Syntax
VIDEOPORT_API VP_STATUS VideoPortDeleteSpinLock(
[in] IN PVOID HwDeviceExtension,
[in] IN PSPIN_LOCK SpinLock
);
Parameters
[in] HwDeviceExtension
Pointer to the miniport driver's device extension.
[in] SpinLock
Pointer to the spin lock to delete.
Return value
If the spin lock is successfully deleted, VideoPortDeleteSpinLock returns NO_ERROR.
Remarks
A miniport driver uses this function to delete a spin lock that was previously created in a call to VideoPortCreateSpinLock.
This routine cannot be called from an ISR or from a VideoPortSynchronizeExecution callback requested where the Priority parameter is set to either VpMediumPriority or VpHighPriority.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Available in Windows XP and later versions of the Windows operating systems. |
| Target Platform | Desktop |
| Header | video.h (include Video.h) |
| Library | Videoprt.lib |
| DLL | Videoprt.sys |
| IRQL | <=DISPATCH_LEVEL |