ILockableTool.h

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// This file's extension implies that it's C, but it's really -*- C++ -*-.
/*
 * Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration.
 */
#ifndef ATHENAKERNEL_ILOCKABLETOOL_H
#define ATHENAKERNEL_ILOCKABLETOOL_H
 
 
class ILockableTool
{
public:
  virtual void lock_shared() const = 0;
 
  virtual void unlock_shared() const = 0;
};
 
 
namespace Athena {
 
 
class ToolLock
{
public:
  ToolLock (ILockableTool& tool)
    : m_tool (tool)
  {
    m_tool.lock_shared();
  }
 
  ~ToolLock()
  {
    m_tool.unlock_shared();
  }
 
 
private:
  ILockableTool& m_tool;
};
 
 
} // namespace Athena
 
 
 
#endif // not ATHENAKERNEL_ILOCKABLETOOL_H