Mercurial > hg > orthanc
view Core/MultiThreading/Semaphore.cpp @ 2215:028214a95194
refactoring the worklist sample
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sat, 10 Dec 2016 11:41:17 +0100 |
parents | ed383e7a6753 |
children | a3a65de1840f |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, 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/>. **/ #include "../PrecompiledHeaders.h" #include "Semaphore.h" #include "../OrthancException.h" namespace Orthanc { Semaphore::Semaphore(unsigned int count) : count_(count) { } void Semaphore::Release() { boost::mutex::scoped_lock lock(mutex_); count_++; condition_.notify_one(); } void Semaphore::Acquire() { boost::mutex::scoped_lock lock(mutex_); while (count_ == 0) { condition_.wait(lock); } count_++; } }