From: Tony Arcieri <tony@...>
Date: 2007-12-26T13:46:58+09:00
Subject: Announcing Rev: a high performance event library for Ruby 1.9

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Hello everyone,

I've just made my initial public release of Rev, a high performance event
library for Ruby 1.9 built on top of libev. Events are monitored with
advanced system calls including epoll on Linux, kqueues on BSD, and event
ports on Solaris.  You can read more about libev here:
http://software.schmorp.de/pkg/libev.html

The release has not yet reached the gem mirrors, so you can grab it here for
the time being:

http://rev.rubyforge.org/releases/gems/rev-0.1.0.gem

Rev gives you the ability to monitor Ruby IO objects for readability and/or
writability.  It also lets you configure either one-shot or periodic
timers.  Future plans include wrappers for monitoring signals as well as
filesystem events.

Rev makes use of a number of new Ruby 1.9 features, namely the ability to do
blocking calls inside of native threads using the
rb_thread_blocking_region() function.  The entire event loop is written with
scalability in mind, with nearly constant time overhead compared to the
number of events being monitored, at least on Linux, FreeBSD, or Solaris.

In addition to a C extension which provides Ruby bindings to libev, Rev also
provides asynchronous observer-like wrappers for Ruby's core socket classes
using the new Ruby 1.9 *_nonblock methods.  It also provides asynchronous
DNS resolution for the purpose of making outgoing connections.

You can view the RDoc here:

http://rev.rubyforge.org/

Enjoy!

-- 
Tony Arcieri
ClickCaster, Inc.
tony@clickcaster.com

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