mxworkitemum.cpp

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/*++
 
Copyright (c) Microsoft Corporation
 
ModuleName:
 
    MxWorkItemUm.cpp
 
Abstract:
 
    Work item callback thunk implementation for user mode
 
    We need this thunk to wire the um callback to a mode agnostic work item
    callback.
 
Author:
 
 
 
Revision History:
 
 
 
--*/
 
#include "Mx.h"
 
VOID
CALLBACK
MxWorkItem::_WorkerThunk (
    _Inout_ PTP_CALLBACK_INSTANCE Instance,
    _Inout_opt_ PVOID Parameter,
    _Inout_ PTP_WAIT Wait,
    _In_ TP_WAIT_RESULT WaitResult
    )
{
    MdWorkItem workItem = (MdWorkItem) Parameter;
 
    UNREFERENCED_PARAMETER(Instance);
    UNREFERENCED_PARAMETER(Wait);
    UNREFERENCED_PARAMETER(WaitResult);
 
    (*workItem->Callback)(
        workItem->DeviceObject,
        workItem->Context
        );
 
    return;
}
 
VOID
MxWorkItem::WaitForCallbacksToComplete(
    VOID
    )
{
    Mx::MxAssert(NULL != m_WorkItem->WaitBlock);
 
    //
    // Wait for outstanding callbacks to complete.
    //
    WaitForThreadpoolWaitCallbacks(m_WorkItem->WaitBlock,
                           FALSE  // donot cancel pending waits
                           );
 
}