/**
 * 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/>.
 **/


#include "BinarySemaphore.h"

namespace OrthancStone
{
  BinarySemaphore::BinarySemaphore() : 
    proceed_(false)
  {
  }

  void BinarySemaphore::Signal()
  {
    //boost::mutex::scoped_lock lock(mutex_);

    proceed_ = true;
    condition_.notify_one(); 
  }

  void BinarySemaphore::Wait()
  {
    boost::mutex::scoped_lock lock(mutex_);

    while (!proceed_)
    {
      condition_.wait(lock);
    }

    proceed_ = false;
  }
}