Mercurial > hg > orthanc
view Core/MultiThreading/Semaphore.h @ 2810:1e8c4ecd02f4
missing files
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 06 Sep 2018 11:06:54 +0200 |
parents | f790999a250a |
children | 497a637366b4 |
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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) 2017-2018 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * In addition, as a special exception, the copyright holders of this * program give permission to link the code of its release with the * OpenSSL project's "OpenSSL" library (or with modified versions of it * that use the same license as the "OpenSSL" library), and distribute * the linked executables. You must obey the GNU General Public License * in all respects for all of the code used other than "OpenSSL". If you * modify file(s) with this exception, you may extend this exception to * your version of the file(s), but you are not obligated to do so. If * you do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source files * in the program, then also delete it here. * * 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 * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #pragma once #include <boost/noncopyable.hpp> #include <boost/thread.hpp> namespace Orthanc { class Semaphore : public boost::noncopyable { private: unsigned int count_; boost::mutex mutex_; boost::condition_variable condition_; void Release(); void Acquire(); public: explicit Semaphore(unsigned int count); class Locker : public boost::noncopyable { private: Semaphore& that_; public: explicit Locker(Semaphore& that) : that_(that) { that_.Acquire(); } ~Locker() { that_.Release(); } }; }; }