From: Eric Wong <normalperson@...>
Date: 2013-10-21T21:55:06+00:00
Subject: [ruby-core:57958] Re: [ruby-trunk - Bug #9040] Readline duplicate file descriptors but doesn't close them

"akr (Akira Tanaka)" <akr@fsij.org> wrote:
> 
> Issue #9040 has been updated by akr (Akira Tanaka).
> 
> File readline-release-gvl-3.patch added

Does poll work reliably with tty FD on non-Linux systems?

Perhaps better to use rb_thread_call_with_gvl and a
rb_wait_for_single_fd wrapper