itkBarrier.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef __itkBarrier_h
#define __itkBarrier_h

#include "itkConditionVariable.h"

namespace itk
{
class ITKCommon_EXPORT Barrier
  : public LightObject
{
public:

  typedef Barrier                    Self;
  typedef LightObject                Superclass;
  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(Barrier, Object);

  void Initialize(unsigned int);

  void Wait();

private:
  Barrier();
  ~Barrier();

  unsigned int               m_NumberArrived;
  unsigned int               m_NumberExpected;
  ConditionVariable::Pointer m_ConditionVariable;
  SimpleMutexLock            m_Mutex;
};
} // end namespace itk

#endif