function与bind基本用法

古月不傲

[C++] 纯文本查看 复制代码

#include <iostream>
#include <functional>
#include <pthread.h>

class Thread
{
public:
	Thread(const std::function<void()> &cb) : m_cb(cb), m_pid(0)
	{

	}
public:
	void start()
	{
		pthread_create(&m_pid, nullptr, run, this);
	}
	void join()
	{
		pthread_join(m_pid, nullptr);
	}
private:
	static void *run(void *arg)
	{
		Thread *pThis = static_cast<Thread *>(arg);
		pThis->m_cb();

		return nullptr;
	}
private:
	pthread_t 				m_pid;
	std::function<void()> 	m_cb;
};

void test1()
{
	std::cout << "test1" << std::endl;
}

void test2(int a)
{
	std::cout << "test2" << std::endl;
}

void test3(int a, int b)
{
	std::cout << "test3" << std::endl;
}

int main(void)
{
	Thread t1(test1);
	Thread t2(std::bind(test2, 3));
	Thread t3(std::bind(test3, 5, 6));

	t1.start();
	t1.join();
	t2.start();
	t2.join();
	t3.start();
	t3.join();

	return 0;
}