Mercurial > hg > orthanc
view OrthancFramework/Resources/Graveyard/Multithreading/ReaderWriterLock.cpp @ 5433:38403e13c1ca
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 21 Nov 2023 18:22:49 +0100 |
parents | 0ea402b4d901 |
children | 48b8dae6dc77 |
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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) 2017-2023 Osimis S.A., Belgium * Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, 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/>. **/ #include "../PrecompiledHeaders.h" #include "ReaderWriterLock.h" #include <boost/thread/shared_mutex.hpp> namespace Orthanc { namespace { // Anonymous namespace to avoid clashes between compilation // modules. class ReaderLockable : public ILockable { private: boost::shared_mutex& lock_; protected: virtual void Lock() { lock_.lock_shared(); } virtual void Unlock() { lock_.unlock_shared(); } public: explicit ReaderLockable(boost::shared_mutex& lock) : lock_(lock) { } }; class WriterLockable : public ILockable { private: boost::shared_mutex& lock_; protected: virtual void Lock() { lock_.lock(); } virtual void Unlock() { lock_.unlock(); } public: explicit WriterLockable(boost::shared_mutex& lock) : lock_(lock) { } }; } struct ReaderWriterLock::PImpl { boost::shared_mutex lock_; ReaderLockable reader_; WriterLockable writer_; PImpl() : reader_(lock_), writer_(lock_) { } }; ReaderWriterLock::ReaderWriterLock() { pimpl_ = new PImpl; } ReaderWriterLock::~ReaderWriterLock() { delete pimpl_; } ILockable& ReaderWriterLock::ForReader() { return pimpl_->reader_; } ILockable& ReaderWriterLock::ForWriter() { return pimpl_->writer_; } }