pitrou commented on a change in pull request #9528: URL: https://github.com/apache/arrow/pull/9528#discussion_r589478886
########## File path: cpp/src/arrow/util/cancel.h ########## @@ -0,0 +1,99 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +#pragma once + +#include <functional> +#include <memory> +#include <string> +#include <vector> + +#include "arrow/status.h" +#include "arrow/type_fwd.h" +#include "arrow/util/macros.h" +#include "arrow/util/visibility.h" + +namespace arrow { + +class StopToken; + +struct StopSourceImpl; + +/// EXPERIMENTAL +class ARROW_EXPORT StopSource { + public: + StopSource(); + ~StopSource(); + + // Consumer API (the side that stops) + void RequestStop(); + void RequestStop(Status error); + void RequestStopFromSignal(int signum); Review comment: It can indeed be useful if the application catches signals by itself. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
