#include <thread>
#include <mutex>
#include <iostream>
#include <vector>

void Fun_1();
void Fun_2();

unsigned int counter = 1;
std::mutex mtx;

void my_fun(int i)
{
    while (true)
    {
        std::lock_guard<std::mutex> mtx_locker(mtx);
        ++counter;
        if (counter < 1001)
        {
            std::cout << "視窗 "<<i<<" 正在賣第 " << counter << " 張票...還剩"<<(1000-counter)<<"張票\n";
        }
        else
        {
            break;
        }
        //std::this_thread::sleep_for(std::chrono::microseconds(1));
    }
}

void my_test()
{
    std::vector<std::thread *> vt(10);
    for(auto i=0;i<10;++i){
        vt[i]=new std::thread(my_fun,i+1);
    }
    for(auto i=0;i<10;++i){
        vt[i]->join();
    }
    for(auto i=0;i<10;++i){
        delete vt[i];
    }
}

void test()
{
    std::thread thrd_1(Fun_1);
    std::thread thrd_2(Fun_2);
    thrd_1.join();
    thrd_2.join();
    std::cin.get();
}

void Fun_1()
{
    while (true)
    {
        std::lock_guard<std::mutex> mtx_locker(mtx);
        ++counter;
        if (counter < 1000)
        {
            std::cout << "Function 1 counting " << counter << "...\n";
        }
        else
        {
            break;
        }
    }
}

void Fun_2()
{
    while (true)
    {
        std::lock_guard<std::mutex> mtx_locker(mtx);
        ++counter;
        if (counter < 1000)
        {
            std::cout << "Function 2 counting " << counter << "...\n";
        }
        else
        {
            break;
        }
    }
}