threads_wait_ring.cpp

Multiple producers / multiple consumers wait ring example

 
#include "threads/wait_ring.h"
 
#include <iostream>
#include <string>
#include <thread>
 
int main(int argc, char** argv)
{
    std::cout << "Please enter some integer numbers. Enter '0' to exit..." << std::endl;
 
    // Create multiple producers / multiple consumers wait ring
    CppCommon::WaitRing<int> ring(1024);
 
    // Start consumer thread
    auto consumer = std::thread([&ring]()
    {
        int item;
 
        do
        {
            // Dequeue the item or end consume
            if (!ring.Dequeue(item))
                break;
 
            // Consume the item
            std::cout << "Your entered number: " << item << std::endl;
        } while (item != 0);
    });
 
    // Perform text input
    std::string line;
    while (getline(std::cin, line))
    {
        int item = std::stoi(line);
 
        // Enqueue the item or end produce
        if (!ring.Enqueue(item))
            break;
 
        if (item == 0)
        {
            // Close the wait ring
            ring.Close();
            break;
        }
    }
 
    // Wait for the consumer thread
    consumer.join();
 
    return 0;
}