From: Tanaka Akira <akr@...17n.org>
Date: 2006-04-18T10:53:23+09:00
Subject: Re: readpartial not working on ARM

In article <4443534E.5030303@path.berkeley.edu>,
  Joel VanderWerf <vjoel@path.berkeley.edu> writes:

> Hi. IO#readpartial seems to be broken on ARM (Intel XScale, gumstix),
> and this is causing telnet to hang. The problem is that readpartial(n)
> hangs until all n bytes are received. I've tested this with TCPSockets.
>
> Any suggestions for me to try next? What might be misconfigured?
>
> Gumstix use uClibc (http://www.busybox.net/) rather than GNU libc.
>
> This is with ruby-1.8.4.

I guess READ_DATA_PENDING is not defined properly because
uClibc.

If my guess is right, ruby 1.9 should work well.
ruby 1.9 has its own buffering mechanism to avoid stdio
buffering.
-- 
Tanaka Akira