Welcome to the libuv documentation

Overview

libuv is a multi-platform support library with a focus on asynchronous I/O. It was primarily developed for use by Node.js, but it's also used by Luvit, Julia, uvloop, and others_.

.. note:: In case you find errors in this documentation you can help by sending pull requests <https://github.com/libuv/libuv>_!

.. _Node.js: https://nodejs.org .. _Luvit: https://luvit.io .. _Julia: https://julialang.org .. _uvloop: https://github.com/MagicStack/uvloop .. _others: https://github.com/libuv/libuv/blob/v1.x/LINKS.md

Features

Full-featured event loop backed by epoll, kqueue, IOCP, event ports.
Asynchronous TCP and UDP sockets
Asynchronous DNS resolution
Asynchronous file and file system operations
File system events
ANSI escape code controlled TTY
IPC with socket sharing, using Unix domain sockets or named pipes (Windows)
Child processes
Thread pool
Signal handling
High resolution clock
Threading and synchronization primitives

Documentation

.. toctree:: :maxdepth: 1

design api guide upgrading

Downloads

libuv can be downloaded from here <https://dist.libuv.org/dist/>_.

Installation

Installation instructions can be found in the README <https://github.com/libuv/libuv/blob/master/README.md>_.