Mercurial > hg > orthanc-wsi
view Framework/MultiThreading/Semaphore.cpp @ 154:32a94bbb7d05
merge
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 08 Oct 2018 12:12:39 +0200 |
parents | fb8d4cd2f618 |
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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 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/>. **/ #include "Semaphore.h" namespace OrthancWSI { 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_++; } }