PIBIO_ENGINE_PIPELINE_CLEANUP_FN callback function (winbio_adapter.h)

Called by the Windows Biometric Framework to give the Engine Adapter the chance to perform any cleanup that requires help from the Storage Adapter.

Syntax

PIBIO_ENGINE_PIPELINE_CLEANUP_FN PibioEnginePipelineCleanupFn;

HRESULT PibioEnginePipelineCleanupFn(
  [in, out] PWINBIO_PIPELINE Pipeline
)
{...}

Parameters

[in, out] Pipeline

Pointer to the WINBIO_PIPELINE structure associated with the biometric unit performing the operation.

Return value

If the function succeeds, it returns S_OK. If the function fails, it must return one of the following HRESULT values to indicate the error.

Remarks

This method is called once, when a biometric unit is being torn down.

The Engine Adapter should return S_OK if it doesn’t need to perform any cleanup at this point.

This method executes in the context of an arbitrary RPC server thread.

Requirements