simplethreadhandler.h

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/*****************************************************************************
 * Copyright 2015 Haye Hinrichsen, Christoph Wick
 *
 * This file is part of Entropy Piano Tuner.
 *
 * Entropy Piano Tuner 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 3 of the License, or (at your
 * option) any later version.
 *
 * Entropy Piano Tuner is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * Entropy Piano Tuner. If not, see http://www.gnu.org/licenses/.
 *****************************************************************************/

//=============================================================================
//                         Simple thread handler
//=============================================================================

#ifndef SIMPLETHREADHANDLER_H
#define SIMPLETHREADHANDLER_H

#include <mutex>
#include <thread>
#include <atomic>
#include "eptexception.h"

#define CHECK_CANCEL_THREAD { if (cancelThread()) {return;} }
#define CANCEL_THREAD       { setCancelThread(true); return; }


class SimpleThreadHandler
{
public:
    SimpleThreadHandler();                  
    virtual ~SimpleThreadHandler();         

    virtual void start();                   
    virtual void stop();                    

    static void setThreadName(std::string s);

protected:


    virtual void workerFunction() = 0;


    virtual void exceptionCaught(const EptException &e);

    void setCancelThread(bool b);           
    bool cancelThread() const;              
    void msleep(double milliseconds);       
    bool isThreadRunning() const;          

private:
    void simpleWorkerFunction();            

    bool mCancelThread;                     
    std::atomic<bool> mRunning;             
    std::thread mThread;                    
    mutable std::mutex mLockMutex;          
};

#endif // SIMPLETHREADHANDLER_H