Hadi Hijazi,SOFTWAREDEVELOPER

void *heartbeat(void *arg) {
  volatile int *daysAlive = (volatile int *)arg;
  while (1) {
    node *n = malloc(sizeof(node));
    n->value = (*daysAlive)++;
    n->next = timeline;
    timeline = n;
    sleep(86400);
  }
  pthread_create(&tid, NULL, heartbeat, &daysAlive);
  pthread_detach(tid);
}