concurrent_template.cpp

// The template for writing concurrent program to experiment
#include <atomic>
#include <cstdio>
#include <thread>
#include <vector>

const static unsigned int producer = 1;
const static unsigned int consumer = 2;

static std::atomic<int> val(0);

void producer_func(void) {
    val.fetch_add(1);
}

void consumer_func(void) { std::printf("%s!\n", __func__); }

int main(void) {
  std::vector<std::thread> pro;
  std::vector<std::thread> con;

  for (auto i = 0; i < producer; ++i) {
    pro.push_back(std::thread(producer_func));
  }
  for (auto i = 0; i < consumer; ++i) {
    con.push_back(std::thread(consumer_func));
  }
  for (auto &p : pro) {
    p.join();
  }
  for (auto &c : con) {
    c.join();
  }
}