C++中std::thread线程用法

#include<iostream>
#include<thread>
#include<windows.h>
#include<string>
using namespace std;
 
void myfunc_work() {
	cout << "myfunc_work ....." << endl;
	// do something 5s 
	Sleep(5000);
}
 
int main() {
	std::thread t1(myfunc_work);
	// 阻塞当前main主线程，待子线程执行完毕后，自己恢复主线程逻辑
	t1.join();
	cout << "main thread ....." << endl;
 
}

void foo() {
	cout << "foo\n";
}
 
void bar(int x) {
	cout << "bar\n";
}
 
int main() {
	//std::thread t1(myfunc_work);
	//cout << "main thread ....." << endl;
	 阻塞当前main主线程，待子线程执行完毕后，自己恢复主线程逻辑
	//t1.join();
	
	thread t1(foo);
	thread t2(bar, 10);
	cout << "main,foo,bar execute concurrently....\n";
 
	cout << "sleep 1s\n";
	this_thread::sleep_for(chrono::seconds(2));
 
	cout << "join t1\n";
	t1.join();
	cout << "join t2\n";
	t2.join();
 
	cout << "foo and bar thread complete";
 
}

class AA
{
public:
	void a1()
	{
		cout << "a1\n";
	}
 
	void a2(int n) {
		cout << "a2 : " << n << "\n";
	}
 
	void start() {
		thread t1(&AA::a1, this);
		thread t2(&AA::a2, this,10);
 
		t1.join();
		t2.join();
	}
 
private:
 
};

void test2() {
	cout << "foo begin...." << endl;
	this_thread::sleep_for(chrono::milliseconds(5000));
	cout << "foo end...." << endl;
}
 
 
int main() {
	std::thread t1(test2);
	cout << "main 1....." << endl;;
	t1.join();
	cout << "main 2.....";
 
 
	cout << "main thread run over" << endl;
}

/**
	join等待thread执行结束
*/
void test2() {
	cout << "foo begin...." << endl;
	this_thread::sleep_for(chrono::milliseconds(50));
	cout << "foo end...." << endl;
}
 
int main() {
	
	std::thread t1(test2);
	cout << "main 1....." << endl;;
	t1.detach();
	cout << "main 2....."<< endl;
 
 
	cout << "main thread run over" << endl;
	Sleep(2000);
	return 0;
}

void  myFunc(int&  n) {
        std::cout << "myFunc  n = " << n << endl;

        n+= 10;

}

void myFunc(int n) {
	std::cout << "myFunc n = " << n << endl;
	n += 10;
}
 
void myFunc_ref(int& n) {
	std::cout << "myFunc reference n = " << n << endl;
	n += 10;
}
 
int main() {
 
	int n1 = 5;
	thread t1(myFunc, n1);
	t1.join();
	cout << "main n1 = " << n1 << "\n";
 
	int n2 = 10;
	thread t2(myFunc_ref, std::ref(n2));
	t2.join();
	cout << "main n2 = " << n2 << "\n";
 
	cout << "main thread run over" << endl;
	return 0;
}