Method CancelAllRemoteQueries

library/cpp/par/par_exec.h:319–325

            CancelCallback.Attach(this, QueryProc.Get(), MasterGuid);
        }
        void CancelAllRemoteQueries() {
            TGUID req;
            while (AllReqList.Dequeue(&req)) {
                PAR_DEBUG_LOG << "Cancel req " << GetGuidAsString(req) << Endl;
                QueryProc->CancelQuery(req);
            }
        }
        void RegisterRemoteQuery(const TGUID& req) {
            AllReqList.Enqueue(req);
            if (!NeedResult())