From: ara.t.howard@...
Date: 2006-11-02T03:42:27+09:00
Subject: Re: Nonblocking IO read

On Thu, 2 Nov 2006, Bill Kelly wrote:

> Windows will be a problem.  Admittedly, I haven't tried ruby 1.8.5 yet,
> which has new nonblock_* methods.  However, my expectation is that you'll
> only get nonblocking behavior on windows from sockets, not from pipes.
>
> On Windows, calling select() on a pipe, always returns immediately with
> "data ready to read", regardless if there's any data there or not.
>
> This has been the bane of my existence on Windows ruby for 5 or 6 years.  I
> do IPC on Windows ruby using TCP over loopback, instead of pipes, in order
> to get nonblocking semantics.  (That still doesn't help for reading from the
> console, though... (search the archives for 'kbhit' for a partial solution
> there...))
>
> One of these years, I'd like to chat with a Windows guru and ask how he/she
> would recommend making a select() that works on both sockets and pipes on
> Windows.  Ruby could *really* use one.

maybe

   http://apr.apache.org/docs/apr/group__apr__poll.html

-a
-- 
my religion is very simple.  my religion is kindness. -- the dalai lama