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96 lines
2.8 KiB
96 lines
2.8 KiB
/****************************************************************************
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**
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** ...
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**
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** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the tools module of the Qt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.QPL
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** included in the packaging of this file. Licensees holding valid Qt
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** Commercial licenses may use this file in accordance with the Qt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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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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#ifdef QT_THREAD_SUPPORT
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#ifndef QT_H
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#include "qglobal.h"
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#endif // QT_H
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class Q_EXPORT QThreadStorageData
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{
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public:
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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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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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#if defined(Q_DISABLE_COPY)
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// disable copy constructor and operator=
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QThreadStorage( const QThreadStorage & );
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QThreadStorage &operator=( const QThreadStorage & );
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#endif // Q_DISABLE_COPY
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static void deleteData( void *x ) { delete (T)x; }
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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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{ void **v = d.get(); if ( !v ) v = d.set( 0 ); return *(T*)v; }
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inline T localData() const
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{ void **v = d.get(); return ( v ? *(T*)v : 0 ); }
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inline void setLocalData( T t )
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{ (void) d.set( t ); }
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};
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#endif // QT_THREAD_SUPPORT
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#endif // QTHREADSTORAGE_H
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