kdthreadrunner.cpp

/*
    Copyright (C) 2011-2013 Klarälvdalens Datakonsult AB,
        a KDAB Group company, info@kdab.net,
        author Volker Krause <volker.krause@kdab.com>

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

    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 Library General Public
    License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to the
    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.
*/
#include "kdthreadrunner.h"

#include <QSemaphore>

class KDThreadRunnerBase::Private
{
public:
    Private()
        : m_impl( 0 )
    {
    }

    QObject* m_impl;
    QSemaphore m_waitStarted;
    QMutex m_startThreadMutex;
};

KDThreadRunnerBase::KDThreadRunnerBase( QObject * p )
    : QThread( p )
{
}

KDThreadRunnerBase::~KDThreadRunnerBase()
{
}

void KDThreadRunnerBase::doStart( Priority prio )
{
    start( prio );
    d->m_waitStarted.acquire(); // wait for T to be created by run()
}

void KDThreadRunnerBase::doExec()
{
    // Tell startThread that we have created T
    d->m_waitStarted.release();

    exec();
}

void KDThreadRunnerBase::setImpl( QObject * i )
{
    d->m_impl = i;
}

QObject* KDThreadRunnerBase::impl() const
{
    return d->m_impl;
}

QMutex* KDThreadRunnerBase::internalStartThreadMutex()
{
    return & d->m_startThreadMutex;
}