tarcieri/cool.io — pull request #25 by authorNari (2013-11-21 08:11:09+00:00)
Title: Release the GIL when libev polls. close #24

Backport a patch of nio4r.
https://github.com/celluloid/nio4r/commit/680143345726c5a64bb22376ca8fc3c6857019ae

@repeatedly, How about this one?