busy-waiting-example created by silahian - https://repl.it/Hry2/1

busy-waiting-example.cpp

#include <string>
#include <vector>
#include <thread>
#include <iostream>
#include <unistd.h>
using namespace std;

mutex mtxData;
class Consumer
{
public:
    void Consume()
    {
        while(true)
        {
            mtxData.lock();
            
            // GET DATA
            // AND DO YOUR PROCESS
            
            mtxData.unlock();
        }
    }
};

class Producer
{
public:
  void Produce()
  {
      mtxData.lock();
      // WRITE DATA
      mtxData.unlock();
  }
}


int main()
{
    //launch producer thread
    std::thread([&] {
      Producer prod;
      prod.Produce();
    }

    //create 5 consumers
    for(int i=0; i<5; i++)
    {
      std::thread([&] {
        Consumer cons;
        cons.Consume();
      }
    }
    
    //JOIN THREADS
    
    return 0;
}