Producer Consumer

#include <cstdlib>
	#include <iostream>
	#include <mutex>
	#include <thread>
	#include <chrono>
	using namespace std;
	std::mutex g_mutex;
	bool g_ready = false;
	int g_data = 0;
	int produceData() {
	int randomNumber = rand() % 1000;
	std::cout << "produce data: " << randomNumber << "\n";
	return randomNumber;
	}
	void consumeData(int data) { std::cout << "receive data: " << data << "\n"; }
	// consumer thread function
	void consumer() {
	while (true) {
	while (!g_ready) {
	// sleep for 1 second
	std::this_thread::sleep_for (std::chrono::seconds(1));
	}
	std::unique_lock<std::mutex> ul(g_mutex);
	consumeData(g_data);
	g_ready = false;
	}
	}
	// producer thread function
	void producer() {
	while (true) {
	std::unique_lock<std::mutex> ul(g_mutex);
	g_data = produceData();
	g_ready = true;
	ul.unlock();
	while (g_ready) {
	// sleep for 1 second
	std::this_thread::sleep_for (std::chrono::seconds(1));
	}
	}
	}
	void consumerThread() { consumer(); }
	void producerThread() { producer(); }
	int main() {
	std::thread t1(consumerThread);
	std::thread t2(producerThread);
	t1.join();
	t2.join();
	return 0;
	}