epoll/test/do-almost-nothing.js

A low-level Node.js binding for the Linux epoll API

'use strict';

/*
 * Make sure the process terminates when epoll is used and 'almsost nothing'
 * is actually done. The epoll addon calls uv_ref and uv_unref to keep nodes
 * event loop alive. Here we make sure that the addon isn't keeping the event
 * loop alive unnecessarily long. If the process terminates, everything is ok.
 * If it hangs, there is a problem.
 */
const Epoll = require('../').Epoll;

const stdin = 0; // fd for stdin

const epoll = new Epoll(_ => {});

epoll.add(stdin, Epoll.EPOLLIN).remove(stdin).close();