Eric Wong <normalperson / yhbt.net> wrote:
> On a related note:
> 
>   Ruby also still needlessly checks for read/writability with select()[2]
>   even though though we have support for blocking regions.   I think
>   that is safe to remove if we check return values with
>   rb_io_wait_{read,writ}able().  One part of
>   http://redmine.ruby-lang.org/issues/4535 does exactly this but I have
>   another patch to kill more unnecessary select() calls that aren't
>   bugs, just extra code/syscalls.

Just opened this one: http://redmine.ruby-lang.org/issues/4538

-- 
Eric Wong