worker.ipp

/* Copyright (c) 2011-2013, Stefan Eilemann <eile@eyescale.ch>
 *                    2012, Daniel Nachbaur <danielnachbaur@gmail.com>
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License version 2.1 as published
 * by the Free Software Foundation.
 *
 * This library 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 Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include "worker.h"

#include "iCommand.h"

namespace co
{
template <class Q>
void WorkerThread<Q>::run()
{
    while (!stopRunning())
    {
        while (_commands.isEmpty())
            if (!notifyIdle()) // nothing to do
                break;

        const ICommands& commands = _commands.popAll();
        LBASSERT(!commands.empty());

        for (ICommandsCIter i = commands.begin(); i != commands.end(); ++i)
        {
            // We want to avoid a non-const copy of commands, hence the cast...
            ICommand& command = const_cast<ICommand&>(*i);
            if (!command())
            {
                LBABORT("Error handling " << command);
            }
            if (stopRunning())
                break;

            _commands.pump();
        }
    }

    _commands.flush();
    LBDEBUG << "Leaving worker thread " << lunchbox::className(this)
            << std::endl;
}
}