qgsreadwritelocker.h

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/***************************************************************************
                         qgsreadwritelocker.cpp
                         -------------------------
    begin                : September 2018
    copyright            : (C) 2018 by Matthias Kuhn
    email                : [email protected]
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef QGSREADWRITELOCKER_H
#define QGSREADWRITELOCKER_H

#include "qgis_core.h"

#include <QReadWriteLock>

class CORE_EXPORT QgsReadWriteLocker
{
  public:

    enum Mode
    {
      Read, 
      Write, 
      Unlocked 
    };

    QgsReadWriteLocker( QReadWriteLock &lock, Mode mode );

    void changeMode( Mode mode );

    void unlock();

    ~QgsReadWriteLocker();

  private:
    QReadWriteLock &mLock;
    Mode mMode = Unlocked;
};

#endif // QGSREADWRITELOCKER_H