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diff --git a/src/network/socket/qlocalsocket.h b/src/network/socket/qlocalsocket.h
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+++ b/src/network/socket/qlocalsocket.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 QtNetwork 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 QLOCALSOCKET_H
+#define QLOCALSOCKET_H
+
+#include <QtCore/qiodevice.h>
+#include <QtNetwork/qabstractsocket.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Network)
+
+#ifndef QT_NO_LOCALSOCKET
+
+class QLocalSocketPrivate;
+
+class Q_NETWORK_EXPORT QLocalSocket : public QIODevice
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QLocalSocket)
+
+public:
+    enum LocalSocketError
+    {
+        ConnectionRefusedError = QAbstractSocket::ConnectionRefusedError,
+        PeerClosedError = QAbstractSocket::RemoteHostClosedError,
+        ServerNotFoundError = QAbstractSocket::HostNotFoundError,
+        SocketAccessError = QAbstractSocket::SocketAccessError,
+        SocketResourceError = QAbstractSocket::SocketResourceError,
+        SocketTimeoutError = QAbstractSocket::SocketTimeoutError,
+        DatagramTooLargeError = QAbstractSocket::DatagramTooLargeError,
+        ConnectionError = QAbstractSocket::NetworkError,
+        UnsupportedSocketOperationError = QAbstractSocket::UnsupportedSocketOperationError,
+        UnknownSocketError = QAbstractSocket::UnknownSocketError
+    };
+
+    enum LocalSocketState
+    {
+        UnconnectedState = QAbstractSocket::UnconnectedState,
+        ConnectingState = QAbstractSocket::ConnectingState,
+        ConnectedState = QAbstractSocket::ConnectedState,
+        ClosingState = QAbstractSocket::ClosingState
+    };
+
+    QLocalSocket(QObject *parent = 0);
+    ~QLocalSocket();
+
+    void connectToServer(const QString &name, OpenMode openMode = ReadWrite);
+    void disconnectFromServer();
+
+    QString serverName() const;
+    QString fullServerName() const;
+
+    void abort();
+    virtual bool isSequential() const;
+    virtual qint64 bytesAvailable() const;
+    virtual qint64 bytesToWrite() const;
+    virtual bool canReadLine() const;
+    virtual void close();
+    LocalSocketError error() const;
+    bool flush();
+    bool isValid() const;
+    qint64 readBufferSize() const;
+    void setReadBufferSize(qint64 size);
+
+    bool setSocketDescriptor(quintptr socketDescriptor,
+                             LocalSocketState socketState = ConnectedState,
+                             OpenMode openMode = ReadWrite);
+    quintptr socketDescriptor() const;
+
+    LocalSocketState state() const;
+    bool waitForBytesWritten(int msecs = 30000);
+    bool waitForConnected(int msecs = 30000);
+    bool waitForDisconnected(int msecs = 30000);
+    bool waitForReadyRead(int msecs = 30000);
+
+Q_SIGNALS:
+    void connected();
+    void disconnected();
+    void error(QLocalSocket::LocalSocketError socketError);
+    void stateChanged(QLocalSocket::LocalSocketState socketState);
+
+protected:
+    virtual qint64 readData(char*, qint64);
+    virtual qint64 writeData(const char*, qint64);
+
+private:
+    Q_DISABLE_COPY(QLocalSocket)
+#if defined(QT_LOCALSOCKET_TCP)
+    Q_PRIVATE_SLOT(d_func(), void _q_stateChanged(QAbstractSocket::SocketState))
+    Q_PRIVATE_SLOT(d_func(), void _q_error(QAbstractSocket::SocketError))
+#elif defined(Q_OS_WIN)
+    Q_PRIVATE_SLOT(d_func(), void _q_notified())
+    Q_PRIVATE_SLOT(d_func(), void _q_canWrite())
+    Q_PRIVATE_SLOT(d_func(), void _q_pipeClosed())
+    Q_PRIVATE_SLOT(d_func(), void _q_emitReadyRead())
+#else
+    Q_PRIVATE_SLOT(d_func(), void _q_stateChanged(QAbstractSocket::SocketState))
+    Q_PRIVATE_SLOT(d_func(), void _q_error(QAbstractSocket::SocketError))
+    Q_PRIVATE_SLOT(d_func(), void _q_connectToSocket())
+    Q_PRIVATE_SLOT(d_func(), void _q_abortConnectionAttempt())
+#endif
+};
+
+#ifndef QT_NO_DEBUG_STREAM
+#include <QtCore/qdebug.h>
+Q_NETWORK_EXPORT QDebug operator<<(QDebug, QLocalSocket::LocalSocketError);
+Q_NETWORK_EXPORT QDebug operator<<(QDebug, QLocalSocket::LocalSocketState);
+#endif
+
+#endif // QT_NO_LOCALSOCKET
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QLOCALSOCKET_H