diff -r 000000000000 -r 1918ee327afb src/corelib/tools/qsharedpointer.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/corelib/tools/qsharedpointer.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,155 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSHAREDPOINTER_H
+#define QSHAREDPOINTER_H
+
+#include <QtCore/qglobal.h>
+#include <QtCore/qatomic.h>
+#include <QtCore/qshareddata.h>
+
+#ifndef Q_QDOC
+# if !defined(QT_NO_MEMBER_TEMPLATES)
+// QSharedPointer requires member template support
+# include <QtCore/qsharedpointer_impl.h>
+# endif
+#else
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+// These classes are here to fool qdoc into generating a better documentation
+
+template <class T>
+class QSharedPointer
+{
+public:
+    // basic accessor functions
+    T *data() const;
+    bool isNull() const;
+    operator bool() const;
+    bool operator!() const;
+    T &operator*() const;
+    T *operator ->() const;
+
+    // constructors
+    QSharedPointer();
+    explicit QSharedPointer(T *ptr);
+    QSharedPointer(T *ptr, Deleter d);
+    QSharedPointer(const QSharedPointer<T> &other);
+    QSharedPointer(const QWeakPointer<T> &other);
+
+    ~QSharedPointer() { }
+
+    QSharedPointer<T> &operator=(const QSharedPointer<T> &other);
+    QSharedPointer<T> &operator=(const QWeakPointer<T> &other);
+
+    QWeakPointer<T> toWeakRef() const;
+
+    void clear();
+
+    // casts:
+    template <class X> QSharedPointer<X> staticCast() const;
+    template <class X> QSharedPointer<X> dynamicCast() const;
+    template <class X> QSharedPointer<X> constCast() const;
+    template <class X> QSharedPointer<X> objectCast() const;
+};
+
+template <class T>
+class QWeakPointer
+{
+public:
+    // basic accessor functions
+    bool isNull() const;
+    operator bool() const;
+    bool operator!() const;
+
+    // constructors:
+    QWeakPointer();
+    QWeakPointer(const QWeakPointer<T> &other);
+    QWeakPointer(const QSharedPointer<T> &other);
+
+    ~QWeakPointer();
+
+    QWeakPointer<T> operator=(const QWeakPointer<T> &other);
+    QWeakPointer<T> operator=(const QSharedPointer<T> &other);
+
+    QWeakPointer(const QObject *other);
+    QWeakPointer<T> operator=(const QObject *other);
+
+    T *data() const;
+    void clear();
+
+    QSharedPointer<T> toStrongRef() const;
+};
+
+template<class T, class X> bool operator==(const QSharedPointer<T> &ptr1, const QSharedPointer<X> &ptr2);
+template<class T, class X> bool operator!=(const QSharedPointer<T> &ptr1, const QSharedPointer<X> &ptr2);
+template<class T, class X> bool operator==(const QSharedPointer<T> &ptr1, const X *ptr2);
+template<class T, class X> bool operator!=(const QSharedPointer<T> &ptr1, const X *ptr2);
+template<class T, class X> bool operator==(const T *ptr1, const QSharedPointer<X> &ptr2);
+template<class T, class X> bool operator!=(const T *ptr1, const QSharedPointer<X> &ptr2);
+template<class T, class X> bool operator==(const QWeakPointer<T> &ptr1, const QSharedPointer<X> &ptr2);
+template<class T, class X> bool operator!=(const QWeakPointer<T> &ptr1, const QSharedPointer<X> &ptr2);
+template<class T, class X> bool operator==(const QSharedPointer<T> &ptr1, const QWeakPointer<X> &ptr2);
+template<class T, class X> bool operator!=(const QSharedPointer<T> &ptr1, const QWeakPointer<X> &ptr2);
+
+template <class X, class T> QSharedPointer<X> qSharedPointerCast(const QSharedPointer<T> &other);
+template <class X, class T> QSharedPointer<X> qSharedPointerCast(const QWeakPointer<T> &other);
+template <class X, class T> QSharedPointer<X> qSharedPointerDynamicCast(const QSharedPointer<T> &src);
+template <class X, class T> QSharedPointer<X> qSharedPointerDynamicCast(const QWeakPointer<T> &src);
+template <class X, class T> QSharedPointer<X> qSharedPointerConstCast(const QSharedPointer<T> &src);
+template <class X, class T> QSharedPointer<X> qSharedPointerConstCast(const QWeakPointer<T> &src);
+template <class X, class T> QSharedPointer<X> qSharedPointerObjectCast(const QSharedPointer<T> &src);
+template <class X, class T> QSharedPointer<X> qSharedPointerObjectCast(const QWeakPointer<T> &src);
+
+template <class X, class T> QWeakPointer<X> qWeakPointerCast(const QWeakPointer<T> &src);
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // Q_QDOC
+
+#endif // QSHAREDPOINTER_H