You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
135 lines
3.5 KiB
135 lines
3.5 KiB
/****************************************************************************
|
|
**
|
|
** 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_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
|
|
|
|
QT_MODULE(Core)
|
|
|
|
#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> future = this->future();
|
|
QThreadPool::globalInstance()->start(this, /*m_priority*/ 0);
|
|
return future;
|
|
}
|
|
|
|
void run() {}
|
|
virtual void runFunctor() = 0;
|
|
};
|
|
|
|
template <typename T>
|
|
class RunFunctionTask : public RunFunctionTaskBase<T>
|
|
{
|
|
public:
|
|
void run()
|
|
{
|
|
if (this->isCanceled()) {
|
|
this->reportFinished();
|
|
return;
|
|
}
|
|
this->runFunctor();
|
|
this->reportResult(result);
|
|
this->reportFinished();
|
|
}
|
|
T result;
|
|
};
|
|
|
|
template <>
|
|
class RunFunctionTask<void> : public RunFunctionTaskBase<void>
|
|
{
|
|
public:
|
|
void run()
|
|
{
|
|
if (this->isCanceled()) {
|
|
this->reportFinished();
|
|
return;
|
|
}
|
|
this->runFunctor();
|
|
this->reportFinished();
|
|
}
|
|
};
|
|
|
|
} //namespace QtConcurrent
|
|
|
|
#endif //qdoc
|
|
|
|
QT_END_NAMESPACE
|
|
QT_END_HEADER
|
|
|
|
#endif // QT_NO_CONCURRENT
|
|
|
|
#endif
|