From: Roger Pack <rogerdpack2@...>
Date: 2010-01-09T22:17:21+09:00
Subject: [ruby-core:27503] Re: [Feature #2012] Set event_flags on thread 	creation if hook exists

> Basically I agree with your patch. �But it leaves event_flags true
> even if all vm-level hooks are removed. �How about this patch:
> ...

Seems to work at least for trivial examples.

-r