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# qtconcurrentexception.h

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    00001 /****************************************************************************
    00002 **
    00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
    00004 ** All rights reserved.
    00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
    00006 **
    00007 ** This file is part of the QtCore module of the Qt Toolkit.
    00008 **
    00009 ** $QT_BEGIN_LICENSE:LGPL$
    00010 ** Commercial Usage
    00011 ** Licensees holding valid Qt Commercial licenses may use this file in
    00012 ** accordance with the Qt Commercial License Agreement provided with the
    00013 ** Software or, alternatively, in accordance with the terms contained in
    00014 ** a written agreement between you and Nokia.
    00015 **
    00016 ** GNU Lesser General Public License Usage
    00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
    00018 ** General Public License version 2.1 as published by the Free Software
    00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
    00020 ** packaging of this file.  Please review the following information to
    00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00023 **
    00024 ** In addition, as a special exception, Nokia gives you certain additional
    00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
    00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
    00027 **
    00028 ** GNU General Public License Usage
    00029 ** Alternatively, this file may be used under the terms of the GNU
    00030 ** General Public License version 3.0 as published by the Free Software
    00031 ** Foundation and appearing in the file LICENSE.GPL included in the
    00032 ** packaging of this file.  Please review the following information to
    00033 ** ensure the GNU General Public License version 3.0 requirements will be
    00034 ** met: http://www.gnu.org/copyleft/gpl.html.
    00035 **
    00036 ** If you have questions regarding the use of this file, please contact
    00037 ** Nokia at qt-info@nokia.com.
    00038 ** $QT_END_LICENSE$
    00039 **
    00040 ****************************************************************************/
    00041
    00042 #ifndef QTCONCURRENT_EXCEPTION_H
    00043 #define QTCONCURRENT_EXCEPTION_H
    00044
    00045 #include <QtCore/qglobal.h>
    00046
    00047 #ifndef QT_NO_QFUTURE
    00048
    00049 #include <QtCore/qatomic.h>
    00050
    00051 #ifndef QT_NO_EXCEPTIONS
    00052 #  include <exception>
    00053 #endif
    00054
    00055 QT_BEGIN_HEADER
    00056 QT_BEGIN_NAMESPACE
    00057
    00058 QT_MODULE(Core)
    00059
    00060 namespace QtConcurrent
    00061 {
    00062
    00063 #ifndef QT_NO_EXCEPTIONS
    00064
    00065 class Q_CORE_EXPORT Exception : public std::exception
    00066 {
    00067 public:
    00068     virtual void raise() const;
    00069     virtual Exception *clone() const;
    00070 };
    00071
    00072 class Q_CORE_EXPORT UnhandledException : public Exception
    00073 {
    00074 public:
    00075     void raise() const;
    00076     Exception *clone() const;
    00077 };
    00078
    00079 namespace internal {
    00080
    00081 class Base;
    00082 class ExceptionHolder
    00083 {
    00084 public:
    00085     ExceptionHolder(Exception *exception = 0);
    00086     ExceptionHolder(const ExceptionHolder &other);
    00087     void operator=(const ExceptionHolder &other);
    00088     ~ExceptionHolder();
    00089     Exception *exception() const;
    00090     Base *base;
    00091 };
    00092
    00093 class Q_CORE_EXPORT ExceptionStore
    00094 {
    00095 public:
    00096     void setException(const Exception &e);
    00097     bool hasException() const;
    00098     ExceptionHolder exception();
    00099     void throwPossibleException();
    00100     bool hasThrown() const;
    00101     ExceptionHolder exceptionHolder;
    00102 };
    00103
    00104 } // namespace internal
    00105
    00106 #else // QT_NO_EXCEPTIONS
    00107
    00108 namespace internal {
    00109
    00110 class Q_CORE_EXPORT ExceptionStore
    00111 {
    00112 public:
    00113     ExceptionStore() { }
    00114     inline void throwPossibleException() const {}
    00115 };
    00116
    00117 } // namespace internal
    00118
    00119 #endif
    00120
    00121 } // namespace QtConcurrent
    00122
    00123 QT_END_NAMESPACE
    00124 QT_END_HEADER
    00125
    00126 #endif // QT_NO_CONCURRENT
    00127
    00128 #endif