| 1 | /****************************************************************************
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| 2 | **
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| 3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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| 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation ([email protected])
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| 6 | **
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| 7 | ** This file is part of the documentation of the Qt Toolkit.
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| 8 | **
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| 9 | ** $QT_BEGIN_LICENSE:FDL$
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| 10 | ** Commercial Usage
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| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 12 | ** accordance with the Qt Commercial License Agreement provided with the
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| 13 | ** Software or, alternatively, in accordance with the terms contained in a
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| 14 | ** written agreement between you and Nokia.
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| 15 | **
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| 16 | ** GNU Free Documentation License
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| 17 | ** Alternatively, this file may be used under the terms of the GNU Free
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| 18 | ** Documentation License version 1.3 as published by the Free Software
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| 20 | ** file.
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| 22 | ** If you have questions regarding the use of this file, please contact
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| 23 | ** Nokia at [email protected].
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| 24 | ** $QT_END_LICENSE$
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| 26 | ****************************************************************************/
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| 27 |
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| 28 | /*!
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| 29 | \page symbianexceptionsafety.html
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| 30 | \title Exception Safety with Symbian
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| 31 | \ingroup qtsymbian
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| 32 | \brief A guide to integrating exception safety in Qt with Symbian.
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| 33 |
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| 34 | The following sections describe how Qt code can interoperate with Symbian's
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| 35 | exception safety system.
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| 36 |
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| 37 | \tableofcontents
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| 38 |
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| 39 | \section1 What the problem is
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| 40 |
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| 41 | Qt and Symbian have different exception systems. Qt works with standard C++
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| 42 | exceptions, whereas Symbian has its TRAP/Leave/CleanupStack system. So, what would
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| 43 | happen if you mix the two systems? It could go wrong in a number of ways.
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| 44 |
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| 45 | Clean-up ordering would be different between the two. When Symbian code
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| 46 | leaves, the clean-up stack is cleaned up before anything else happens. After
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| 47 | that, the objects on the call stack would be cleaned up as with a normal
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