C / C++ / MFC

DWORD WINAPI service_ctrl(DWORD dwCtrlCode,DWORD dwEventType, LPVOID lpEventData, LPVOID lpContext) 
{
	PDEV_BROADCAST_HDR  head = (PDEV_BROADCAST_HDR )lpEventData;

	switch (dwCtrlCode) 
	{
	case SERVICE_CONTROL_DEVICEEVENT: 
		if (dwEventType == DBT_DEVICEQUERYREMOVE)
		{
			if(head->dbch_devicetype == DBT_DEVTYP_HANDLE)
			{	
				PDEV_BROADCAST_HANDLE  db = (PDEV_BROADCAST_HANDLE) head;
				DebugLog("Remove Query");


				ht_pIter = handleThread.find(db->dbch_handle);
				if ( ht_pIter == handleThread.end( ) )
					DebugLog("cannot find Thread ID using Handle Value ");
				else
				{

					killThreadFunc(ht_pIter->second.threadHandle,ht_pIter->second.threadID);
					DebugLog("after killThreadFunc");
					if(!CloseHandle(db->dbch_handle))
					{

						DebugLog("Problem in Closing Directory Handle.");
					}

					char error[50] = {0};
					if(!UnregisterDeviceNotification(*ht_pIter->second.devNotify))
					{
						DebugLog("Problem in Unregistering Device notification.");
						sprintf(error,"Error Code returned is %d",GetLastError());
						DebugLog(error);					

					}

					handleThread.erase(db->dbch_handle);

					//SetEvent(hLogTrigger);
					DebugLog("Thread Terminate Successful");
				}

			}
			return NO_ERROR;
		}//end if DEVICEQUERYREMOVE
		break;
	}
}