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diff --git a/src/corelib/kernel/qsocketnotifier.h b/src/corelib/kernel/qsocketnotifier.h
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+++ b/src/corelib/kernel/qsocketnotifier.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 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 QSOCKETNOTIFIER_H
+#define QSOCKETNOTIFIER_H
+
+#include <QtCore/qobject.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class Q_CORE_EXPORT QSocketNotifier : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QObject)
+
+public:
+    enum Type { Read, Write, Exception };
+
+    QSocketNotifier(int socket, Type, QObject *parent = 0);
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT_CONSTRUCTOR QSocketNotifier(int socket, Type, QObject *parent, const char *name);
+#endif
+    ~QSocketNotifier();
+
+    inline int socket() const { return sockfd; }
+    inline Type type() const { return sntype; }
+
+    inline bool isEnabled() const { return snenabled; }
+
+public Q_SLOTS:
+    void setEnabled(bool);
+
+Q_SIGNALS:
+    void activated(int socket);
+
+protected:
+    bool event(QEvent *);
+
+private:
+    Q_DISABLE_COPY(QSocketNotifier)
+
+    int sockfd;
+    Type sntype;
+    bool snenabled;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSOCKETNOTIFIER_H