Libuv uv phase

시스템 API는 비동기 작업을 요청하면 signal을 통해 작업 완료를 알려줍니다. libuv는 이를 이용하여 작업 완료 신호를 받고 큐에 등록 each of Phases is responsible for a certain type of task and has its own queue

Libuv uv Phases

uv timer phase

uv pending callbacks phase

uv idle, prepare phase

uv poll phase

uv check phase

uv close callbacks phase

uv nextTickQueue, microTaskQueue

The Secret Life of Event Loop - Meetup Overview

At this meetup, our colleague Lehel Papacek talked about the internals of JavaScript runtimes and the Event Loop, working in the heart of the runtime. With such a structure, we can easily write our code in asynchronous manner - but we still must know our tool!