129 lines
3.1 KiB
C++
129 lines
3.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QTCONCURRENT_EXCEPTION_H
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#define QTCONCURRENT_EXCEPTION_H
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#include <QtConcurrent/qtconcurrent_global.h>
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#ifndef QT_NO_QFUTURE
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#include <QtCore/qatomic.h>
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#include <QtCore/qshareddata.h>
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#ifndef QT_NO_EXCEPTIONS
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# include <exception>
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#endif
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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namespace QtConcurrent
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{
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#ifndef QT_NO_EXCEPTIONS
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class Q_CONCURRENT_EXPORT Exception : public std::exception
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{
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public:
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virtual void raise() const;
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virtual Exception *clone() const;
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};
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class Q_CONCURRENT_EXPORT UnhandledException : public Exception
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{
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public:
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void raise() const;
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Exception *clone() const;
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};
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namespace internal {
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class Base;
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class ExceptionHolder
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{
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public:
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ExceptionHolder(Exception *exception = 0);
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ExceptionHolder(const ExceptionHolder &other);
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void operator=(const ExceptionHolder &other);
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~ExceptionHolder();
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Exception *exception() const;
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QExplicitlySharedDataPointer<Base> base;
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};
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class Q_CONCURRENT_EXPORT ExceptionStore
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{
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public:
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void setException(const Exception &e);
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bool hasException() const;
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ExceptionHolder exception();
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void throwPossibleException();
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bool hasThrown() const;
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ExceptionHolder exceptionHolder;
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};
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} // namespace internal
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#else // QT_NO_EXCEPTIONS
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namespace internal {
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class Q_CONCURRENT_EXPORT ExceptionStore
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{
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public:
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ExceptionStore() { }
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inline void throwPossibleException() const {}
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};
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} // namespace internal
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#endif
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} // namespace QtConcurrent
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QT_NO_CONCURRENT
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#endif
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