example3_memory_ordering.cpp

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#include <iostream>
#include <atomic>
#include <thread>

std::atomic<int> data(0);
std::atomic<bool> ready(false);

void producer() {
    data.store(42, std::memory_order_relaxed);
    ready.store(true, std::memory_order_release);  // Release: Ensures data is visible
}

void consumer() {
    while (!ready.load(std::memory_order_acquire));  // Acquire: Waits for release
    std::cout << "Data: " << data.load(std::memory_order_relaxed) << std::endl;
}

int main() {
    std::thread t1(producer);
    std::thread t2(consumer);

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

    return 0;
}