WorkerThread.h

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/***************************************************************************
    libkwave/WorkerThread.h  -  worker thread for Kwave
                             -------------------
    begin                : Sun Apr 06 2008
    copyright            : (C) 2008 by Thomas Eschenbacher
    email                : Thomas.Eschenbacher@gmx.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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 WORKER_THREAD_H
#define WORKER_THREAD_H

#include "config.h"
#include <pthread.h>

#include <QAtomicInt>
#include <QtGlobal>
#include <QMutex>
#include <QObject>
#include <QThread>
#include <QVariant>

namespace Kwave
{
    class Runnable;

    class Q_DECL_EXPORT WorkerThread: public QThread
    {
        Q_OBJECT
    public:

        explicit WorkerThread(Kwave::Runnable *runnable, QVariant params);

        virtual ~WorkerThread() Q_DECL_OVERRIDE;

        virtual void start();

        virtual int stop(unsigned int timeout = 10000);

        virtual void run() Q_DECL_OVERRIDE;

        virtual void cancel();

        bool shouldStop();

    private:

        Kwave::Runnable *m_runnable;

        QVariant m_params;

        QMutex m_lock;

        QMutex m_lock_sighup;

        QAtomicInt m_should_stop;

        pthread_t m_tid;

        pthread_t m_owner_tid;

    };

}

#endif /* WORKER_THREAD_H */

//***************************************************************************
//***************************************************************************