From: Eric Wong <normalperson@...>
Date: 2011-05-18T03:44:39+09:00
Subject: [ruby-core:36282] Re: [Ruby 1.9 - Feature #3905]	rb_clear_cache_by_class() called often during GC for non-blocking	I/O

Eric Wong <normalperson@yhbt.net> wrote:
> The ephemeral class patch series is smaller and cleaner, it makes
> no user-visible changes.

The ephemeral class flag can eventually be expanded for use in other
modules, not just I/O ones.

The unique subclass used in timeout.rb to distinguish nested timeouts
is one example (especially if we decide to rewrite timeout.rb in C).

-- 
Eric Wong