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先上代码:

#include<mutex>
#include<condition_variable>
#include <iostream>
#include<string>
using namespace std;
void PrintId(int id)
{
	cout<<"ID:"<<id<<endl;
}
int main()
{
    thread threads[10];
	for (int i = 0;i < 10;i++)
	{
		threads[i] = thread(PrintId,i);
	}
	for (auto & t : threads)
	{
		t.join();
    }
}
	
	

输出:

改一下,加上互斥量mutex:(PrintId(int id)改变,main()不变)

mutex mu;
void PrintId(int id)
{
	mu.lock();
	cout<<"ID:"<<id<<endl;
	mu.unlock();
}

输出:

本文标签: 多线程入门mutexconditionvariable