text: /****************************************************************************
  **
  ** Copyright (C) 2012 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.
  **
  ** $QT_BEGIN_LICENSE:LGPL$
  ** 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_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
  