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diff --git a/src/core/jobs/qthreadpooler_p_p.h b/src/core/jobs/qthreadpooler_p_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QT3D_QTHREADPOOLER_P_H
+#define QT3D_QTHREADPOOLER_P_H
+
+#include "jobrunner_p.h"
+#include "dependencyhandler_p.h"
+
+#include <QtCore/QtGlobal>
+#include <private/qobject_p.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3D {
+
+class QThreadPooler;
+
+class QThreadPoolerPrivate : public QObjectPrivate
+{
+public:
+    QThreadPoolerPrivate(QThreadPooler *qq);
+    ~QThreadPoolerPrivate();
+
+    bool isQueueEmpty();
+
+    void incRunningThreads();
+    void decRunningThreads();
+
+    inline void setDependencyHandler(DependencyHandler *handler)
+    {
+        m_dependencyHandler = handler;
+    }
+
+    void createRunners(int threadCount);
+    void shutdown();
+
+    int maxThreadCount() const;
+    void setMaxThreadCount(int threadCount);
+
+    Q_DECLARE_PUBLIC(QThreadPooler)
+
+private:
+    QList<JobRunner *> m_workers;
+    QVector<QSharedPointer<TaskInterface> > m_taskQueue;
+
+    QWaitCondition m_jobAvailable;
+    QWaitCondition m_jobFinished;
+    QMutex *m_mutex;
+    int m_runningThreads;
+    int m_maxThreadCount;
+    DependencyHandler *m_dependencyHandler;
+};
+
+}
+
+QT_END_NAMESPACE
+
+#endif // QT3D_QTHREADPOOLER_P_H
+