Mega Code Archive
Using QThread
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/****************************************************************************
**
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**
** This file is part of the documentation of the Qt Toolkit.
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****************************************************************************/
#include <QThread>
class MyThread : public QThread
{
Q_OBJECT
protected:
void run();
};
#include <QCache>
#include <QMutex>
#include <QThreadStorage>
#include "threads.h"
void MyThread::run()
{
}
#define Counter ReentrantCounter
class Counter
{
public:
Counter() { n = 0; }
void increment() { ++n; }
void decrement() { --n; }
int value() const { return n; }
private:
int n;
};
#undef Counter
#define Counter ThreadSafeCounter
class Counter
{
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;
};
typedef int SomeClass;
QThreadStorage<QCache<QString, SomeClass> *> caches;
void cacheObject(const QString &key, SomeClass *object)
{
if (!caches.hasLocalData())
caches.setLocalData(new QCache<QString, SomeClass>);
caches.localData()->insert(key, object);
}
void removeFromCache(const QString &key)
{
if (!caches.hasLocalData())
return;
caches.localData()->remove(key);
}
int main()
{
return 0;
}
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