#include <iostream>
#include <thread>
#include <mutex>
#include <unistd.h>

std::mutex mtx;

void print_block (int n, char c) {
    mtx.lock();
    for (int i = 0; i < n; i++)
    {
        std::cout << c;
    }
    std::cout << std::endl ;
    mtx.unlock();

    return;
}

int main()
{
    std::thread th1(print_block, 50, '*');
    std::thread th2(print_block, 60, '$');

    th1.join();
    //my print statement
    std::cout << "In between thread joins" << std::endl;
    th2.join();

    return 0;
}