libuv / libuv

![libuv][libuv_banner]
## 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.
## Feature highlights
 * 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
## Versioning
Starting with version 1.0.0 libuv follows the semantic versioning
scheme. The API change and backwards compatibility rules are those indicated by
SemVer. libuv will keep a stable ABI across major releases.
The ABI/API changes can be tracked here.
## Licensing
libuv is licensed under the MIT license. Check the LICENSE and
LICENSE-extra files.
The documentation is licensed under the CC BY 4.0 license. Check the
LICENSE-docs file.
## Community
 * Support
 * Mailing list
## Documentation
### Official documentation
Located in the docs/ subdirectory. It uses the Sphinx
framework, which makes it possible to build the documentation in multiple
formats.
Show different supported building options:
 [code] 
Build documentation as HTML:
 [code] 
Build documentation as HTML and live reload it when it changes (this requires
sphinx-autobuild to be installed and is only supported on Unix):
 [code] 
Build documentation as man pages:
 [code] 
Build documentation as ePub:
 [code] 
NOTE: Windows users need to use make.bat instead of plain 'make'.
Documentation can be browsed online here.
The tests and benchmarks
also serve as API specification and usage examples.
### Other resources
 * LXJS 2012 talk
 — High-level introductory talk about libuv.
 * libuv-dox
 — Documenting types and methods of libuv, mostly by reading uv.h.
 * learnuv
 — Learn uv for fun and profit, a self guided workshop to libuv.
These resources are not handled by libuv maintainers and might be out of
date. Please verify it before opening new issues.
## Downloading
libuv can be downloaded either from the
GitHub repository
or from the downloads site.
Before verifying the git tags or signature files, importing the relevant keys
is necessary. Key IDs are listed in the
MAINTAINERS
file, but are also available as git blob objects for easier use.
Importing a key the usual way:
 [code] 
Importing a key from a git blob object:
 [code] 
### Verifying releases
Git tags are signed with the developer's key, they can be verified as follows:
 [code] 
Starting with libuv 1.7.0, the tarballs stored in the
downloads site are signed and an accompanying
signature file sit alongside each. Once both the release tarball and the
signature file are downloaded, the file can be verified as follows:
 [code] 
## Build Instructions
For UNIX-l