RCBase.h

/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/

#ifndef GEOMODELKERNEL_RCBASE_H
#define GEOMODELKERNEL_RCBASE_H

#include <atomic>

class RCBase 
{
 public:
  RCBase();

  //    Increase the reference count
  void ref () const;

  //    Decreases the reference count.  When the reference count
  //    falls to zero, the object deletes itself.
  void unref () const;

  //    Return the reference count.
  unsigned int refCount () const;

 protected:
  virtual ~RCBase();

 private:
  RCBase(const RCBase &right);
  RCBase & operator=(const RCBase &right);

  //    The reference count
  mutable std::atomic<unsigned> m_count;

};

#endif