Hello Mark,
Please submit this as a bug on http://bugs.ruby-lang.org/


Thanks!

On Mon, Nov 5, 2012 at 7:06 AM, Mark Somerville <mark / scottishclimbs.com> wrote:
> In trunk (r37474), there is a typo in a macro name in the
> rb_reserved_fd_p() function. This prevents any actual checking that the
> file descriptor is reserved by the VM.