Mercurial > hg > orthanc
view OrthancFramework/Sources/MultiThreading/SharedMessageQueue.h @ 4127:5be586c6a23e framework-lgpl
merge
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 07 Jul 2020 20:28:09 +0200 |
parents | bf7b9edf6b81 |
children | e8005a58de16 |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2020 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/>. **/ #pragma once #include "../IDynamicObject.h" #include <stdint.h> #include <list> #include <boost/thread.hpp> namespace Orthanc { class ORTHANC_PUBLIC SharedMessageQueue : public boost::noncopyable { private: typedef std::list<IDynamicObject*> Queue; bool isFifo_; unsigned int maxSize_; Queue queue_; boost::mutex mutex_; boost::condition_variable elementAvailable_; boost::condition_variable emptied_; public: explicit SharedMessageQueue(unsigned int maxSize = 0); ~SharedMessageQueue(); // This transfers the ownership of the message void Enqueue(IDynamicObject* message); // The caller is responsible to delete the dequeud message! IDynamicObject* Dequeue(int32_t millisecondsTimeout); bool WaitEmpty(int32_t millisecondsTimeout); bool IsFifoPolicy() const { return isFifo_; } bool IsLifoPolicy() const { return !isFifo_; } void SetFifoPolicy(); void SetLifoPolicy(); void Clear(); }; }