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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+** the names of its contributors may be used to endorse or promote
+** products derived from this software without specific prior written
+** permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QCache>
+#include <QMutex>
+#include <QThreadStorage>
+
+#include "threads.h"
+
+//! [0]
+void MyThread::run()
+//! [0] //! [1]
+{
+//! [1] //! [2]
+}
+//! [2]
+
+#define Counter ReentrantCounter
+
+//! [3]
+class Counter
+//! [3] //! [4]
+{
+public:
+ Counter() { n = 0; }
+
+ void increment() { ++n; }
+ void decrement() { --n; }
+ int value() const { return n; }
+
+private:
+ int n;
+};
+//! [4]
+
+#undef Counter
+#define Counter ThreadSafeCounter
+
+//! [5]
+class Counter
+//! [5] //! [6]
+{
+public:
+ Counter() { n = 0; }
+
+ void increment() { QMutexLocker locker(&mutex); ++n; }
+ void decrement() { QMutexLocker locker(&mutex); --n; }
+ int value() const { QMutexLocker locker(&mutex); return n; }
+
+private:
+ mutable QMutex mutex;
+ int n;
+};
+//! [6]
+
+typedef int SomeClass;
+
+//! [7]
+QThreadStorage<QCache<QString, SomeClass> > caches;
+
+void cacheObject(const QString &key, SomeClass *object)
+//! [7] //! [8]
+{
+ caches.localData().insert(key, object);
+}
+
+void removeFromCache(const QString &key)
+//! [8] //! [9]
+{
+ if (!caches.hasLocalData())
+ return;
+
+ caches.localData().remove(key);
+}
+//! [9]
+
+int main()
+{
+ return 0;
+}