Function remove_from_queue

example/plugins/c-api/thread_pool/thread.cc:80–107

}

void *
remove_from_queue(Queue *q)
{
  void *data = nullptr;
  Cell *remove_cell;

  TSMutexLock(q->mutex);
  if (q->nb_elem > 0) {
    remove_cell = q->head;
    TSAssert(remove_cell->magic == MAGIC_ALIVE);

    data    = remove_cell->ptr_data;
    q->head = remove_cell->ptr_prev;
    if (q->head == nullptr) {
      TSAssert(q->nb_elem == 1);
      q->tail = nullptr;
    } else {
      TSAssert(q->head->magic == MAGIC_ALIVE);
      q->head->ptr_next = nullptr;
    }

    remove_cell->magic = MAGIC_DEAD;
    TSfree(remove_cell);
    q->nb_elem--;
  }
  TSMutexUnlock(q->mutex);
  return data;
}

int
get_nbelem_queue(Queue *q)