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diff --git a/qtinterface/qt4/Qt/qtconcurrentthreadengine.h b/qtinterface/qt4/Qt/qtconcurrentthreadengine.h
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-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtCore module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial Usage
-** Licensees holding valid Qt Commercial licenses may use this file in
-** accordance with the Qt Commercial License Agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Nokia.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights.  These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3.0 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 3.0 requirements will be
-** met: http://www.gnu.org/copyleft/gpl.html.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QTCONCURRENT_THREADENGINE_H
-#define QTCONCURRENT_THREADENGINE_H
-
-#include <QtCore/qglobal.h>
-
-#ifndef QT_NO_CONCURRENT
-
-#include <QtCore/qthreadpool.h>
-#include <QtCore/qfuture.h>
-#include <QtCore/qdebug.h>
-#include <QtCore/qtconcurrentexception.h>
-#include <QtCore/qwaitcondition.h>
-#include <QtCore/qatomic.h>
-#include <QtCore/qsemaphore.h>
-
-QT_BEGIN_HEADER
-QT_BEGIN_NAMESPACE
-
-QT_MODULE(Core)
-
-#ifndef qdoc
-
-namespace QtConcurrent {
-
-// The ThreadEngineBarrier counts worker threads, and allows one
-// thread to wait for all others to finish. Tested for its use in
-// QtConcurrent, requires more testing for use as a general class.
-class ThreadEngineBarrier
-{
-private:
-    // The thread count is maintained as an integer in the count atomic
-    // variable. The count can be either positive or negative - a negative
-    // count signals that a thread is waiting on the barrier.
-
-    // BC note: inlined code from Qt < 4.6 will expect to find the QMutex 
-    // and QAtomicInt here. ### Qt 5: remove.
-    QMutex mutex;
-    QAtomicInt count;
-
-    QSemaphore semaphore;
-public:
-    ThreadEngineBarrier();
-    void acquire();
-    int release();
-    void wait();
-    int currentCount();
-    bool releaseUnlessLast();
-};
-
-enum ThreadFunctionResult { ThrottleThread, ThreadFinished };
-
-// The ThreadEngine controls the threads used in the computation.
-// Can be run in three modes: single threaded, multi-threaded blocking
-// and multi-threaded asynchronous.
-// The code for the single threaded mode is
-class Q_CORE_EXPORT ThreadEngineBase: public QRunnable
-{
-public:
-    // Public API:
-    ThreadEngineBase();
-    virtual ~ThreadEngineBase();
-    void startSingleThreaded();
-    void startBlocking();
-    void startThread();
-    bool isCanceled();
-    void waitForResume();
-    bool isProgressReportingEnabled();
-    void setProgressValue(int progress);
-    void setProgressRange(int minimum, int maximum);
-    void acquireBarrierSemaphore();
-
-protected: // The user overrides these:
-    virtual void start() {}
-    virtual void finish() {}
-    virtual ThreadFunctionResult threadFunction() { return ThreadFinished; }
-    virtual bool shouldStartThread() { return futureInterface ? !futureInterface->isPaused() : true; }
-    virtual bool shouldThrottleThread() { return futureInterface ? futureInterface->isPaused() : false; }
-private:
-    bool startThreadInternal();
-    void startThreads();
-    void threadExit();
-    bool threadThrottleExit();
-    void run();
-    virtual void asynchronousFinish() = 0;
-#ifndef QT_NO_EXCEPTIONS
-    void handleException(const QtConcurrent::Exception &exception);
-#endif
-protected:
-    QFutureInterfaceBase *futureInterface;
-    QThreadPool *threadPool;
-    ThreadEngineBarrier barrier;
-    QtConcurrent::internal::ExceptionStore exceptionStore;
-};
-
-
-template <typename T>
-class ThreadEngine : public virtual ThreadEngineBase
-{
-public:
-    typedef T ResultType;
-
-    virtual T *result() { return 0; }
-
-    QFutureInterface<T> *futureInterfaceTyped()
-    {
-        return static_cast<QFutureInterface<T> *>(futureInterface);
-    }
-
-    // Runs the user algorithm using a single thread.
-    T *startSingleThreaded()
-    {
-        ThreadEngineBase::startSingleThreaded();
-        return result();
-    }
-
-    // Runs the user algorithm using multiple threads.
-    // This function blocks until the algorithm is finished,
-    // and then returns the result.
-    T *startBlocking()
-    {
-        ThreadEngineBase::startBlocking();
-        return result();
-    }
-
-    // Runs the user algorithm using multiple threads.
-    // Does not block, returns a future.
-    QFuture<T> startAsynchronously()
-    {
-        futureInterface = new QFutureInterface<T>();
-
-        // reportStart() must be called before starting threads, otherwise the
-        // user algorithm might finish while reportStart() is running, which
-        // is very bad.
-        futureInterface->reportStarted();
-        QFuture<T> future = QFuture<T>(futureInterfaceTyped());
-        start();
-
-        acquireBarrierSemaphore();
-        threadPool->start(this);
-        return future;
-    }
-
-    void asynchronousFinish()
-    {
-        finish();
-        futureInterfaceTyped()->reportFinished(result());
-        delete futureInterfaceTyped();
-        delete this;
-    }
-
-
-    void reportResult(const T *_result, int index = -1)
-    {
-        if (futureInterface)
-            futureInterfaceTyped()->reportResult(_result, index);
-    }
-
-    void reportResults(const QVector<T> &_result, int index = -1, int count = -1)
-    {
-        if (futureInterface)
-            futureInterfaceTyped()->reportResults(_result, index, count);
-    }
-};
-
-// The ThreadEngineStarter class ecapsulates the return type
-// from the thread engine.
-// Depending on how the it is used, it will run
-// the engine in either blocking mode or asynchronous mode.
-template <typename T>
-class ThreadEngineStarterBase
-{
-public:
-    ThreadEngineStarterBase(ThreadEngine<T> *_threadEngine)
-    : threadEngine(_threadEngine) { }
-
-    inline ThreadEngineStarterBase(const ThreadEngineStarterBase &other)
-    : threadEngine(other.threadEngine) { }
-
-    QFuture<T> startAsynchronously()
-    {
-        return threadEngine->startAsynchronously();
-    }
-
-    operator QFuture<T>()
-    {
-        return startAsynchronously();
-    }
-
-protected:
-    ThreadEngine<T> *threadEngine;
-};
-
-
-// We need to factor out the code that dereferences the T pointer,
-// with a specialization where T is void. (code that dereferences a void *
-// won't compile)
-template <typename T>
-class ThreadEngineStarter : public ThreadEngineStarterBase<T>
-{
-    typedef ThreadEngineStarterBase<T> Base;
-    typedef ThreadEngine<T> TypedThreadEngine;
-public:
-    ThreadEngineStarter(TypedThreadEngine *eng)
-        : Base(eng) { }
-
-    T startBlocking()
-    {
-        T t = *this->threadEngine->startBlocking();
-        delete this->threadEngine;
-        return t;
-    }
-};
-
-// Full template specialization where T is void.
-template <>
-class ThreadEngineStarter<void> : public ThreadEngineStarterBase<void>
-{
-public:
-    ThreadEngineStarter<void>(ThreadEngine<void> *_threadEngine)
-    :ThreadEngineStarterBase<void>(_threadEngine) {}
-
-    void startBlocking()
-    {
-        this->threadEngine->startBlocking();
-        delete this->threadEngine;
-    }
-};
-
-template <typename ThreadEngine>
-inline ThreadEngineStarter<typename ThreadEngine::ResultType> startThreadEngine(ThreadEngine *threadEngine)
-{
-    return ThreadEngineStarter<typename ThreadEngine::ResultType>(threadEngine);
-}
-
-} // namespace QtConcurrent
-
-#endif //qdoc
-
-QT_END_NAMESPACE
-QT_END_HEADER
-
-#endif // QT_NO_CONCURRENT
-
-#endif