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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_EXCEPTION_H
#define QTCONCURRENT_EXCEPTION_H
#include <QtCore/qglobal.h>
#ifndef QT_NO_QFUTURE
#include <QtCore/qatomic.h>
#ifndef QT_NO_EXCEPTIONS
# include <exception>
#endif
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
namespace QtConcurrent
{
#ifndef QT_NO_EXCEPTIONS
class Q_CORE_EXPORT Exception : public std::exception
{
public:
virtual void raise() const;
virtual Exception *clone() const;
};
class Q_CORE_EXPORT UnhandledException : public Exception
{
public:
void raise() const;
Exception *clone() const;
};
namespace internal {
class Base;
class ExceptionHolder
{
public:
ExceptionHolder(Exception *exception = 0);
ExceptionHolder(const ExceptionHolder &other);
void operator=(const ExceptionHolder &other);
~ExceptionHolder();
Exception *exception() const;
Base *base;
};
class Q_CORE_EXPORT ExceptionStore
{
public:
void setException(const Exception &e);
bool hasException() const;
ExceptionHolder exception();
void throwPossibleException();
bool hasThrown() const;
ExceptionHolder exceptionHolder;
};
} // namespace internal
#else // QT_NO_EXCEPTIONS
namespace internal {
class Q_CORE_EXPORT ExceptionStore
{
public:
ExceptionStore() { }
inline void throwPossibleException() const {}
};
} // namespace internal
#endif
} // namespace QtConcurrent
QT_END_NAMESPACE
QT_END_HEADER
#endif // QT_NO_CONCURRENT
#endif
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