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diff --git a/src/serialport/serialport_unix_p.h b/src/serialport/serialport_unix_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2012 Denis Shienkov <scapig@yandex.ru>
+** Copyright (C) 2012 Laszlo Papp <lpapp@kde.org>
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the QtSerialPort module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SERIALPORT_UNIX_P_H
+#define SERIALPORT_UNIX_P_H
+
+#include "serialport_p.h"
+
+#include <termios.h>
+#ifdef Q_OS_LINUX
+#  include <linux/serial.h>
+#endif
+
+class QSocketNotifier;
+
+QT_BEGIN_NAMESPACE_SERIALPORT
+
+class SerialPortPrivate : public SerialPortPrivateData
+{
+public:
+    SerialPortPrivate(SerialPort *q);
+
+    bool open(QIODevice::OpenMode mode);
+    void close();
+
+    SerialPort::Lines lines() const;
+
+    bool setDtr(bool set);
+    bool setRts(bool set);
+
+    bool flush();
+    bool clear(SerialPort::Directions dir);
+
+    bool sendBreak(int duration);
+    bool setBreak(bool set);
+
+    qint64 bytesAvailable() const;
+    qint64 bytesToWrite() const;
+
+    qint64 readFromBuffer(char *data, qint64 maxSize);
+    qint64 writeToBuffer(const char *data, qint64 maxSize);
+
+    bool waitForReadyRead(int msecs);
+    bool waitForBytesWritten(int msecs);
+
+    bool setRate(qint32 rate, SerialPort::Directions dir);
+    bool setDataBits(SerialPort::DataBits dataBits);
+    bool setParity(SerialPort::Parity parity);
+    bool setStopBits(SerialPort::StopBits stopBits);
+    bool setFlowControl(SerialPort::FlowControl flow);
+    bool setDataErrorPolicy(SerialPort::DataErrorPolicy policy);
+
+    bool readNotification();
+    bool writeNotification(int maxSize = INT_MAX);
+    bool exceptionNotification();
+
+    static QString portNameToSystemLocation(const QString &port);
+    static QString portNameFromSystemLocation(const QString &location);
+
+    static qint32 rateFromSetting(qint32 setting);
+    static qint32 settingFromRate(qint32 rate);
+
+    static QList<qint32> standardRates();
+
+    struct termios currentTermios;
+    struct termios restoredTermios;
+#ifdef Q_OS_LINUX
+    struct serial_struct currentSerialInfo;
+    struct serial_struct restoredSerialInfo;
+#endif
+    int descriptor;
+    bool isCustomRateSupported;
+
+    QSocketNotifier *readNotifier;
+    QSocketNotifier *writeNotifier;
+    QSocketNotifier *exceptionNotifier;
+
+    bool readPortNotifierCalled;
+    bool readPortNotifierState;
+    bool readPortNotifierStateSet;
+
+    bool emittedReadyRead;
+    bool emittedBytesWritten;
+
+private:
+    bool updateTermios();
+
+    void detectDefaultSettings();
+    SerialPort::PortError decodeSystemError() const;
+
+    bool isReadNotificationEnabled() const;
+    void setReadNotificationEnabled(bool enable);
+    bool isWriteNotificationEnabled() const;
+    void setWriteNotificationEnabled(bool enable);
+    bool isExceptionNotificationEnabled() const;
+    void setExceptionNotificationEnabled(bool enable);
+
+    bool waitForReadOrWrite(bool *selectForRead, bool *selectForWrite,
+                            bool checkRead, bool checkWrite,
+                            int msecs, bool *timedOut);
+
+    qint64 readFromPort(char *data, qint64 maxSize);
+    qint64 writeToPort(const char *data, qint64 maxSize);
+
+#ifndef CMSPAR
+    qint64 writePerChar(const char *data, qint64 maxSize);
+#endif
+    qint64 readPerChar(char *data, qint64 maxSize);
+
+};
+
+QT_END_NAMESPACE_SERIALPORT
+
+#endif // SERIALPORT_UNIX_P_H