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diff --git a/src/contrib/libqxt-2007-10-24/src/core/qxtfilelock.h b/src/contrib/libqxt-2007-10-24/src/core/qxtfilelock.h
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+/****************************************************************************
+**
+** Copyright (C) Qxt Foundation. Some rights reserved.
+**
+** This file is part of the QxtCore module of the Qt eXTension library
+**
+** This library is free software; you can redistribute it and/or modify it
+** under the terms of th Common Public License, version 1.0, as published by
+** IBM.
+**
+** This file is provided "AS IS", without WARRANTIES OR CONDITIONS OF ANY
+** KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY
+** WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR
+** FITNESS FOR A PARTICULAR PURPOSE.
+**
+** You should have received a copy of the CPL along with this file.
+** See the LICENSE file and the cpl1.0.txt file included with the source
+** distribution for more information. If you did not receive a copy of the
+** license, contact the Qxt Foundation.
+**
+** <http://libqxt.sourceforge.net>  <foundation@libqxt.org>
+**
+****************************************************************************/
+
+#ifndef QXTFILELOCK_H_INCLUDED
+#define QXTFILELOCK_H_INCLUDED
+
+
+#include <QFile>
+#include <QObject>
+#include "qxtglobal.h"
+#include "qxtpimpl.h"
+
+class QxtFileLockPrivate;
+
+class QXT_CORE_EXPORT QxtFileLock : public QObject
+{
+    Q_OBJECT
+
+public:
+
+    enum Mode
+    {
+        ReadLockWait,
+        ReadLock,
+        WriteLockWait,
+        WriteLock
+    };
+
+    QxtFileLock(QFile *file, const off_t offset,const off_t length,const QxtFileLock::Mode mode = WriteLockWait);
+    ~QxtFileLock();
+
+    off_t offset() const;
+    off_t length() const;
+    bool isActive() const;
+    QFile *file() const;
+    QxtFileLock::Mode mode() const;
+
+public slots:
+    bool lock ();
+    bool unlock();
+
+private:
+    QxtFileLock(const QxtFileLock &other);
+    QXT_DECLARE_PRIVATE(QxtFileLock);
+};
+#endif