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diff --git a/src/plugins/canbus/vectorcan/vectorcanbackend_p.h b/src/plugins/canbus/vectorcan/vectorcanbackend_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2016 Denis Shienkov <denis.shienkov@gmail.com>
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the QtSerialBus module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later 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 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef VECTORCANBACKEND_P_H
+#define VECTORCANBACKEND_P_H
+
+#include "vectorcanbackend.h"
+
+#if defined(Q_OS_WIN32)
+# include <qt_windows.h>
+#else
+# error "Unsupported platform" // other stuff
+#endif
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+QT_BEGIN_NAMESPACE
+
+class QWinEventNotifier;
+class QTimer;
+
+class VectorCanBackendPrivate
+{
+ Q_DECLARE_PUBLIC(VectorCanBackend)
+public:
+ VectorCanBackendPrivate(VectorCanBackend *q);
+ ~VectorCanBackendPrivate();
+
+ bool open();
+ void close();
+ bool setConfigurationParameter(int key, const QVariant &value);
+ void setupChannel(const QString &interfaceName);
+ void setupDefaultConfigurations();
+ QString systemErrorString(int errorCode) const;
+ void startWrite();
+ void startRead();
+ void startupDriver();
+ void cleanupDriver();
+ bool setBitRate(quint32 bitrate);
+
+ VectorCanBackend * const q_ptr;
+
+ long portHandle;
+ quint64 channelMask = 0;
+ HANDLE readHandle = INVALID_HANDLE_VALUE;
+ QTimer *writeNotifier = nullptr;
+ QWinEventNotifier *readNotifier = nullptr;
+};
+
+QT_END_NAMESPACE
+
+#endif // VECTORCANBACKEND_P_H