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diff --git a/src/plugins/platforms/windows/qwindowsthreadpoolrunner.h b/src/plugins/platforms/windows/qwindowsthreadpoolrunner.h
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** 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 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWINDOWSTHREADPOOLRUNNER_H
+#define QWINDOWSTHREADPOOLRUNNER_H
+
+#include <QtCore/QMutex>
+#include <QtCore/QRunnable>
+#include <QtCore/QThreadPool>
+#include <QtCore/QWaitCondition>
+
+QT_BEGIN_NAMESPACE
+
+/*!
+ \class QWindowsThreadPoolRunner
+ \brief Runs a task in the global instance of QThreadPool
+
+ QThreadPool does not provide a method to wait on a single task, so this needs
+ to be done by using QWaitCondition/QMutex.
+
+ \internal
+ \ingroup qt-lighthouse-win
+*/
+class QWindowsThreadPoolRunner
+{
+ Q_DISABLE_COPY(QWindowsThreadPoolRunner)
+
+#ifndef QT_NO_THREAD
+ template <class RunnableFunction> // nested class implementing QRunnable to execute a function.
+ class Runnable : public QRunnable
+ {
+ public:
+ explicit Runnable(QMutex *m, QWaitCondition *c, RunnableFunction f)
+ : m_mutex(m), m_condition(c), m_function(f) {}
+
+ void run() Q_DECL_OVERRIDE
+ {
+ m_function();
+ m_mutex->lock();
+ m_condition->wakeAll();
+ m_mutex->unlock();
+ }
+
+ private:
+ QMutex *m_mutex;
+ QWaitCondition *m_condition;
+ RunnableFunction m_function;
+ }; // class Runnable
+
+public:
+ QWindowsThreadPoolRunner() {}
+
+ template <class Function>
+ bool run(Function f, unsigned long timeOutMSecs = 5000)
+ {
+ QThreadPool *pool = QThreadPool::globalInstance();
+ Q_ASSERT(pool);
+ Runnable<Function> *runnable = new Runnable<Function>(&m_mutex, &m_condition, f);
+ m_mutex.lock();
+ pool->start(runnable);
+ const bool ok = m_condition.wait(&m_mutex, timeOutMSecs);
+ m_mutex.unlock();
+ if (!ok)
+ pool->cancel(runnable);
+ return ok;
+ }
+
+private:
+ QMutex m_mutex;
+ QWaitCondition m_condition;
+#else // !QT_NO_THREAD
+public:
+ QWindowsThreadPoolRunner() {}
+
+ template <class Function>
+ bool run(Function f, unsigned long /* timeOutMSecs */ = 5000)
+ {
+ f();
+ return true;
+ }
+#endif // QT_NO_THREAD
+};
+
+QT_END_NAMESPACE
+
+#endif // QWINDOWSTHREADPOOLRUNNER_H