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Diffstat (limited to 'qtinterface/qt4/Qt/qthreadstorage.h')
-rw-r--r-- | qtinterface/qt4/Qt/qthreadstorage.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/qtinterface/qt4/Qt/qthreadstorage.h b/qtinterface/qt4/Qt/qthreadstorage.h new file mode 100644 index 0000000..0e5453c --- /dev/null +++ b/qtinterface/qt4/Qt/qthreadstorage.h @@ -0,0 +1,157 @@ +/**************************************************************************** +** +** 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 QTHREADSTORAGE_H +#define QTHREADSTORAGE_H + +#include <QtCore/qglobal.h> + +#ifndef QT_NO_THREAD + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Core) + +class Q_CORE_EXPORT QThreadStorageData +{ +public: + explicit QThreadStorageData(void (*func)(void *)); + ~QThreadStorageData(); + + void** get() const; + void** set(void* p); + + static void finish(void**); + int id; +}; + +#if !defined(QT_MOC_CPP) +// MOC_SKIP_BEGIN + +// pointer specialization +template <typename T> +inline +T *&qThreadStorage_localData(QThreadStorageData &d, T **) +{ + void **v = d.get(); + if (!v) v = d.set(0); + return *(reinterpret_cast<T**>(v)); +} + +template <typename T> +inline +T *qThreadStorage_localData_const(const QThreadStorageData &d, T **) +{ + void **v = d.get(); + return v ? *(reinterpret_cast<T**>(v)) : 0; +} + +template <typename T> +inline +void qThreadStorage_setLocalData(QThreadStorageData &d, T **t) +{ (void) d.set(*t); } + +#ifndef QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION + +// value-based specialization +template <typename T> +inline +T &qThreadStorage_localData(QThreadStorageData &d, T *) +{ + void **v = d.get(); + if (!v) v = d.set(new T()); + return *(reinterpret_cast<T*>(*v)); +} + +template <typename T> +inline +T qThreadStorage_localData_const(const QThreadStorageData &d, T *) +{ + void **v = d.get(); + return v ? *(reinterpret_cast<T*>(*v)) : T(); +} + +template <typename T> +inline +void qThreadStorage_setLocalData(QThreadStorageData &d, T *t) +{ (void) d.set(new T(*t)); } + +#endif // QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION + +// MOC_SKIP_END +#endif + +template <class T> +class QThreadStorage +{ +private: + QThreadStorageData d; + + Q_DISABLE_COPY(QThreadStorage) + + static inline void deleteData(void *x) + { delete static_cast<T>(x); } + +public: + inline QThreadStorage() : d(deleteData) { } + inline ~QThreadStorage() { } + + inline bool hasLocalData() const + { return d.get() != 0; } + + inline T& localData() + { return qThreadStorage_localData(d, reinterpret_cast<T*>(0)); } + inline T localData() const + { return qThreadStorage_localData_const(d, reinterpret_cast<T*>(0)); } + + inline void setLocalData(T t) + { qThreadStorage_setLocalData(d, &t); } +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QT_NO_THREAD + +#endif // QTHREADSTORAGE_H |