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Diffstat (limited to 'doc/src/snippets/threads/threads.cpp')
-rw-r--r-- | doc/src/snippets/threads/threads.cpp | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/doc/src/snippets/threads/threads.cpp b/doc/src/snippets/threads/threads.cpp deleted file mode 100644 index 9ef716705a..0000000000 --- a/doc/src/snippets/threads/threads.cpp +++ /dev/null @@ -1,117 +0,0 @@ -/**************************************************************************** -** -** 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; -} |