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/*  Visualization Library                                                             */
/*  http://visualizationlibrary.org                                                   */
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/*  Copyright (c) 2005-2020, Michele Bosi                                             */
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#ifndef ScopedMutex_INCLUDE_ONCE
#define ScopedMutex_INCLUDE_ONCE

#include <vlCore/IMutex.hpp>

namespace vl
{
  //------------------------------------------------------------------------------
  // ScopedMutex
  //------------------------------------------------------------------------------
  //! A class that locks the specified mutex when constructed and unlocks it when destructed.
  class ScopedMutex
  {
  public:
    //! Constructor: locks the mutex.
    ScopedMutex(IMutex* mutex): mMutex(mutex)
    {
      if (mMutex)
        mMutex->lock();
    }

    //! Destructor: unlocks the mutex.
    ~ScopedMutex()
    {
      if (mMutex)
        mMutex->unlock();
    }

  private:
    IMutex* mMutex;
  };
}
#endif