QT阻塞式队列

#include 
#include 
#include 
#include 
#include 
#include 

template 
class BlockingQueue
{
public:
	BlockingQueue(){}
	void put(const T& value)
	{
		QMutexLocker locker(&m_mutex);
		m_queue.enqueue(value);
		m_condition.wakeOne();//唤醒等待队列中的一个线程
	}
	T tack()
	{
		QMutexLocker locker(&m_mutex);
		while (m_queue.isEmpty())
		{
			m_condition.wait(&m_mutex);
		}
		return m_queue.dequeue();
	}
	bool isEmpty() const
	{
		QMutexLocker locker(&m_mutex);
		return m_queue.isEmpty();
	}
	int size() const
	{
		QMutexLocker locker(&m_mutex);
		return m_queue.size();
	}

private:
	QQueue m_queue;
	mutable QMutex m_mutex;
	QWaitCondition m_condition;
};

static BlockingQueue queue;

class Producer :public QThread
{
public:
	void run() override
	{
		for (int i = 0; i < 10; i++)
		{
			queue.put(i);
			qDebug() << "Producer thread: " << QThread::currentThreadId() << ", value: " << i;
			msleep(500);
		}
	}
};

class Consumer:public QThread
{
public:
	void run() override
	{
		int value = 0;
		while (true)
		{
			value = queue.tack();
			qDebug() << "Consumer thread: " << QThread::currentThreadId() << ", value: " << value;

		}
	}
};

int main(int argc, char *argv[])
{
	QCoreApplication a(argc, argv);

	Producer producer;
	Consumer consumer1, consumer2;

	producer.start();
	consumer1.start();
	consumer2.start();

	return a.exec();
}