threading01.cpp

#include <iostream>
#include <thread>
#include <string>
#include <windows.h>

bool taskPassed = false;

static void message()
{
    Sleep(5000);
    std::cout << "\nThanks for waiting\n" << std::endl;
    taskPassed = true;
}

int main()
{
    std::thread th(message);
    while (!taskPassed)
    {
        Sleep(500);
        std::cout << ".  ";
    }
    th.join();
    std::cout << "\b\b\b";
    system("pause");
}