From: ara.t.howard@...
Date: 2006-01-31T05:23:09+09:00
Subject: Re: IO.popen hangs reading an empty pipe?

On Tue, 31 Jan 2006, Payton Swick wrote:

> Ah. You're right, of course.  I could have sworn that I tried using 
> pipe.close_write before and the problem remained, but apparently I was 
> mistaken.
>
> Notes:
>  - "cat" was just to prove a point - the real issue was with "sendmail", but 
> it seems to have the same solution.  My brief overview made me think session 
> was not suited for sendmail, but perhaps I was wrong about that too?   I'll 
> check it out.

you can do anything with session that bash can do - not sure if it'll work for
sendmail or not.  should work anywhere you are dealing with stdin/out/err.

>  - the use of timeout was just to allow the test to exit when the hang 
> occurred.  I didn't realize it fails on w32.  Is it Timeout that fails, or 
> just when timeout is combined with IO reads?

i may have mispoke - you may be able to use a thread and timeout - but it very
easy to block an entire process with io and threads in win... fyi.

cheers.


-a
-- 
sleep is the best meditation.  -- h.h. the 14th dali lama