[C++知识库]C++11实现的简单定时器

支持任意形式的函数

class SimpleTimer
{
public:
	SimpleTimer()
	{
	}
	~SimpleTimer()
	{
		m_bStop = true;
		if (m_pThread)
		{
			m_pThread->join();
			delete m_pThread;
		}
	}

	unsigned int Interval() const
	{
		return m_uiMsecInterval;
	}

	void Interval(unsigned int uiMsecInterval)
	{
		m_uiMsecInterval = uiMsecInterval;
	}

	template<typename F, typename... Arg>
	bool Start(F&& func, Arg&&... arg)
	{
		if (m_uiMsecInterval <= 0)
			return false;
		if (m_pThread)
		{
			m_bStop = true;
			m_pThread->join();
			delete m_pThread;
		}
		m_bStop = false;

		m_pThread = new std::thread([&, this] {
				auto task = std::bind(std::forward<F>(func), std::forward<Arg>(arg)...);
				while (!m_bStop)
				{
					task();
					std::this_thread::sleep_for(std::chrono::milliseconds(m_uiMsecInterval));
				}
			});
		return true;
	}

	void Stop()
	{
		m_bStop = true;
	}

	SimpleTimer(const SimpleTimer&) = delete;
	SimpleTimer(SimpleTimer&&) = delete;
	SimpleTimer& operator =(const SimpleTimer&) = delete;
	SimpleTimer& operator =(SimpleTimer&&) = delete;

private:

	unsigned int m_uiMsecInterval = -1;
	std::thread* m_pThread = nullptr;
	bool m_bStop = false;
};