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diff --git a/src/tools/ntqmutex.h b/src/tools/ntqmutex.h
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+/****************************************************************************
+**
+** Definition of TQMutex class
+**
+** Created : 931107
+**
+** Copyright (C) 1992-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of the tools module of the TQt GUI Toolkit.
+**
+** This file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the files LICENSE.GPL2
+** and LICENSE.GPL3 included in the packaging of this file.
+** Alternatively you may (at your option) use any later version
+** of the GNU General Public License if such license has been
+** publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free TQt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing requirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at sales@trolltech.com.
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
+** included in the packaging of this file.  Licensees holding valid TQt
+** Commercial licenses may use this file in accordance with the TQt
+** Commercial License Agreement provided with the Software.
+**
+** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
+** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#ifndef TQMUTEX_H
+#define TQMUTEX_H
+
+#ifndef QT_H
+#include "ntqglobal.h"
+#endif // QT_H
+
+#if defined(QT_THREAD_SUPPORT)
+
+class TQMutexPrivate;
+
+const int Q_MUTEX_NORMAL = 0;
+const int Q_MUTEX_RECURSIVE = 1;
+
+class Q_EXPORT TQMutex
+{
+    friend class TQThread;
+    friend class TQWaitCondition;
+    friend class TQWaitConditionPrivate;
+
+public:
+    TQMutex(bool recursive = FALSE);
+    virtual ~TQMutex();
+
+    void lock();
+    void unlock();
+    bool locked();
+    bool tryLock();
+
+private:
+    TQMutexPrivate * d;
+
+#if defined(Q_DISABLE_COPY)
+    TQMutex( const TQMutex & );
+    TQMutex &operator=( const TQMutex & );
+#endif
+};
+
+class Q_EXPORT TQMutexLocker
+{
+public:
+    TQMutexLocker( TQMutex * );
+    ~TQMutexLocker();
+
+    TQMutex *mutex() const;
+
+private:
+    TQMutex *mtx;
+
+#if defined(Q_DISABLE_COPY)
+    TQMutexLocker( const TQMutexLocker & );
+    TQMutexLocker &operator=( const TQMutexLocker & );
+#endif
+};
+
+inline TQMutexLocker::TQMutexLocker( TQMutex *m )
+    : mtx( m )
+{
+    if ( mtx ) mtx->lock();
+}
+
+inline TQMutexLocker::~TQMutexLocker()
+{
+    if ( mtx ) mtx->unlock();
+}
+
+inline TQMutex *TQMutexLocker::mutex() const
+{
+    return mtx;
+}
+
+#endif
+
+#endif