/usr/include/qt5/QtConcurrent/qtconcurrentrunbase.h is in qtbase5-dev 5.2.1+dfsg-1ubuntu14.3.
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**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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.
**
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** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QTCONCURRENT_RUNBASE_H
#define QTCONCURRENT_RUNBASE_H
#include <QtConcurrent/qtconcurrent_global.h>
#ifndef QT_NO_CONCURRENT
#include <QtCore/qfuture.h>
#include <QtCore/qrunnable.h>
#include <QtCore/qthreadpool.h>
QT_BEGIN_NAMESPACE
#ifndef Q_QDOC
namespace QtConcurrent {
template <typename T>
struct SelectSpecialization
{
template <class Normal, class Void>
struct Type { typedef Normal type; };
};
template <>
struct SelectSpecialization<void>
{
template <class Normal, class Void>
struct Type { typedef Void type; };
};
template <typename T>
class RunFunctionTaskBase : public QFutureInterface<T> , public QRunnable
{
public:
QFuture<T> start()
{
this->setRunnable(this);
this->reportStarted();
QFuture<T> theFuture = this->future();
QThreadPool::globalInstance()->start(this, /*m_priority*/ 0);
return theFuture;
}
void run() {}
virtual void runFunctor() = 0;
};
template <typename T>
class RunFunctionTask : public RunFunctionTaskBase<T>
{
public:
void run()
{
if (this->isCanceled()) {
this->reportFinished();
return;
}
#ifndef QT_NO_EXCEPTIONS
try {
#endif
this->runFunctor();
#ifndef QT_NO_EXCEPTIONS
} catch (QException &e) {
QFutureInterface<T>::reportException(e);
} catch (...) {
QFutureInterface<T>::reportException(QUnhandledException());
}
#endif
this->reportResult(result);
this->reportFinished();
}
T result;
};
template <>
class RunFunctionTask<void> : public RunFunctionTaskBase<void>
{
public:
void run()
{
if (this->isCanceled()) {
this->reportFinished();
return;
}
#ifndef QT_NO_EXCEPTIONS
try {
#endif
this->runFunctor();
#ifndef QT_NO_EXCEPTIONS
} catch (QException &e) {
QFutureInterface<void>::reportException(e);
} catch (...) {
QFutureInterface<void>::reportException(QUnhandledException());
}
#endif
this->reportFinished();
}
};
} //namespace QtConcurrent
#endif //Q_QDOC
QT_END_NAMESPACE
#endif // QT_NO_CONCURRENT
#endif
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