/***************************************************************************
 *   Copyright (C) 2011 by Stefan Fuhrmann                                 *
 *   stefanfuhrmann@alice-dsl.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.                                   *
 *                                                                         *
 *   This program 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 this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#pragma once

#include "JobScheduler.h"

namespace async
{

/**
 * RAII class that will Stop() / Resume() a given job scheduler.
 */

class CSchedulerSuspension
{
private:

    CJobScheduler* scheduler;

public:

    // construction: as a side effect, stop scheduler

    CSchedulerSuspension (CJobScheduler* scheduler)
        : scheduler (scheduler)
    {
        scheduler->Stop();
    }

    CSchedulerSuspension (CJobScheduler& scheduler)
        : scheduler (&scheduler)
    {
        scheduler.Stop();
    }

    // destruction: as a side effect, resume the scheduler

    ~CSchedulerSuspension()
    {
        scheduler->Resume();
    }
};

}