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