Mercurial > hg > orthanc-stone
diff Applications/Resources/Graveyard/Threading/SharedValue.h @ 1586:b5417e377636
reorganization
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Thu, 22 Oct 2020 16:17:10 +0200 |
parents | OrthancStone/Resources/Graveyard/Threading/SharedValue.h@244ad1e4e76a |
children | 4fb8fdf03314 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Applications/Resources/Graveyard/Threading/SharedValue.h Thu Oct 22 16:17:10 2020 +0200 @@ -0,0 +1,58 @@ +/** + * Stone of Orthanc + * 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 Affero 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 + * Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include <boost/noncopyable.hpp> +#include <boost/thread/mutex.hpp> + +namespace OrthancStone +{ + // A value that is protected by a mutex, in order to be shared by + // multiple threads + template <typename T> + class SharedValue : public boost::noncopyable + { + private: + boost::mutex mutex_; + T value_; + + public: + class Locker : public boost::noncopyable + { + private: + boost::mutex::scoped_lock lock_; + T& value_; + + public: + Locker(SharedValue& shared) : + lock_(shared.mutex_), + value_(shared.value_) + { + } + + T& GetValue() const + { + return value_; + } + }; + }; +}