IAthenaMPTool Node1 IAthenaMPTool + ATLAS_NOT_THREAD_SAFE() + ATLAS_NOT_THREAD_SAFE() + ATLAS_NOT_THREAD_SAFE() + reportSubprocessStatuses() + subProcessLogs() + generateOutputReport() + useFdsRegistry() + setRandString() + killChildren() + interfaceID() Node2 IAlgTool Node2->Node1