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-rw-r--r--src/corelib/concurrent/qtconcurrentrunbase.h154
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diff --git a/src/corelib/concurrent/qtconcurrentrunbase.h b/src/corelib/concurrent/qtconcurrentrunbase.h
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-/****************************************************************************
-**
-** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/
-**
-** This file is part of the QtCore module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** 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.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QTCONCURRENT_RUNBASE_H
-#define QTCONCURRENT_RUNBASE_H
-
-#include <QtCore/qglobal.h>
-
-#ifndef QT_NO_CONCURRENT
-
-#include <QtCore/qfuture.h>
-#include <QtCore/qrunnable.h>
-#include <QtCore/qthreadpool.h>
-
-QT_BEGIN_HEADER
-QT_BEGIN_NAMESPACE
-
-
-#ifndef 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 (QtConcurrent::Exception &e) {
- QFutureInterface<T>::reportException(e);
- } catch (...) {
- QFutureInterface<T>::reportException(QtConcurrent::UnhandledException());
- }
-#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 (QtConcurrent::Exception &e) {
- QFutureInterface<void>::reportException(e);
- } catch (...) {
- QFutureInterface<void>::reportException(QtConcurrent::UnhandledException());
- }
-#endif
- this->reportFinished();
- }
-};
-
-} //namespace QtConcurrent
-
-#endif //qdoc
-
-QT_END_NAMESPACE
-QT_END_HEADER
-
-#endif // QT_NO_CONCURRENT
-
-#endif