fifo1_bad.cpp 442 Bytes

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#include <deque>
#include <list>
#include <iostream>
#include <thread>
#include <unistd.h>
#include <chrono>

using namespace std;

std::deque<unsigned int> FIFO;

void process()
{
  while(1)
  {
    if (!FIFO.empty())
    {
      cout << FIFO.back() << endl;
      FIFO.pop_back();
    };
  }
}

int main()
{
  std::thread t(process);
  unsigned int i = 0;
  while(1)
  {
   FIFO.push_front(i++);
   std::this_thread::sleep_for(10ms);
  }
}