c++11多线程验证

thread.cpp

#include <iostream>
#include <map>
#include <thread>
#include <chrono>
using namespace std;
using namespace std::chrono_literals;

class TestClass
{
public:
    TestClass(){};
    map<int,int> int_map;
};

class TestClass2
{
public:
    TestClass2(TestClass *tc) {
        tc1 = tc; 
        cout<<"TestClass2 get TestClass1, addr"<<tc1<<std::endl;
    }
    void Run() {
        int i = 0;
        while(true){
            tc1->int_map.insert(make_pair(i,1));
            cout<<"TestClass2:size of TestClass1 tc1->int_map size:"<<tc1->int_map.size()<<std::endl;
            std::this_thread::sleep_for(2s);
            i++;
       }
    }

private:
    TestClass *tc1;
};

int main()
{

    TestClass* tc1 = new TestClass();
    printf("tc1 addr is %p!\n",tc1);
    TestClass2* tc2 = new TestClass2(tc1);

    std::thread t([&](){tc2->Run();});
    t.detach();

    do {
        std::this_thread::sleep_for(1s);
        cout<<"TestClass1:size of TestClass1 tc1->int_map size:"<<tc1->int_map.size()<<std::endl;
    } while(true);

    return 0;
}