Example of shared data with multiple threads in C++

multithreading.cpp

#include <atomic>
#include <conio.h>
#include <chrono>
#include <iostream>
#include <thread>
#include <vector>
using namespace std;

atomic<int> data(0);

void calc() 
{
	while (true) {
		this_thread::sleep_for(chrono::milliseconds(1));
		data++;
	}
}

void print()
{
	while (true) {
		this_thread::sleep_for(chrono::milliseconds(100));
		cout << "data = " << data << endl;
	}
}

int main() 
{
	thread t1(calc);
	thread t2(print);

	t1.join();
	t2.join();

	_getch();
	return 0;
}