1a88b2f768
From Qt 5.7 -> LGPL v2.1 isn't an option anymore, see http://blog.qt.io/blog/2016/01/13/new-agreement-with-the-kde-free-qt-foundation/ Updated license headers to use new LGPL header instead of LGPL21 one (in those files which will be under LGPL v3) Change-Id: I046ec3e47b1876cd7b4b0353a576b352e3a946d9 Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
158 lines
4.2 KiB
C++
158 lines
4.2 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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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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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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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
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QTHREADSTORAGE_H
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#define QTHREADSTORAGE_H
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#include <QtCore/qglobal.h>
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#ifndef QT_NO_THREAD
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QT_BEGIN_NAMESPACE
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class Q_CORE_EXPORT QThreadStorageData
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{
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public:
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explicit QThreadStorageData(void (*func)(void *));
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~QThreadStorageData();
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void** get() const;
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void** set(void* p);
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static void finish(void**);
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int id;
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};
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#if !defined(QT_MOC_CPP)
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// MOC_SKIP_BEGIN
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// pointer specialization
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template <typename T>
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inline
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T *&qThreadStorage_localData(QThreadStorageData &d, T **)
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{
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void **v = d.get();
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if (!v) v = d.set(0);
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return *(reinterpret_cast<T**>(v));
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}
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template <typename T>
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inline
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T *qThreadStorage_localData_const(const QThreadStorageData &d, T **)
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{
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void **v = d.get();
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return v ? *(reinterpret_cast<T**>(v)) : 0;
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}
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template <typename T>
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inline
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void qThreadStorage_setLocalData(QThreadStorageData &d, T **t)
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{ (void) d.set(*t); }
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template <typename T>
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inline
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void qThreadStorage_deleteData(void *d, T **)
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{ delete static_cast<T *>(d); }
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// value-based specialization
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template <typename T>
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inline
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T &qThreadStorage_localData(QThreadStorageData &d, T *)
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{
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void **v = d.get();
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if (!v) v = d.set(new T());
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return *(reinterpret_cast<T*>(*v));
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}
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template <typename T>
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inline
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T qThreadStorage_localData_const(const QThreadStorageData &d, T *)
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{
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void **v = d.get();
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return v ? *(reinterpret_cast<T*>(*v)) : T();
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}
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template <typename T>
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inline
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void qThreadStorage_setLocalData(QThreadStorageData &d, T *t)
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{ (void) d.set(new T(*t)); }
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template <typename T>
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inline
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void qThreadStorage_deleteData(void *d, T *)
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{ delete static_cast<T *>(d); }
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// MOC_SKIP_END
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#endif
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template <class T>
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class QThreadStorage
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{
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private:
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QThreadStorageData d;
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Q_DISABLE_COPY(QThreadStorage)
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static inline void deleteData(void *x)
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{ qThreadStorage_deleteData(x, reinterpret_cast<T*>(0)); }
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public:
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inline QThreadStorage() : d(deleteData) { }
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inline ~QThreadStorage() { }
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inline bool hasLocalData() const
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{ return d.get() != 0; }
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inline T& localData()
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{ return qThreadStorage_localData(d, reinterpret_cast<T*>(0)); }
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inline T localData() const
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{ return qThreadStorage_localData_const(d, reinterpret_cast<T*>(0)); }
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inline void setLocalData(T t)
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{ qThreadStorage_setLocalData(d, &t); }
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};
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QT_END_NAMESPACE
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#endif // QT_NO_THREAD
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#endif // QTHREADSTORAGE_H
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