From: Tim Uckun <timuckun@...>
Date: 2010-09-23T08:59:03+09:00
Subject: Re: having problems with open4 and stuck forked processes

> What do you mean by that?  Goes the timeout undetected?  Can't you
> kill the process?  Are there any unexpected error messages /
> exceptions?
>

Obviously the timeout is not detected.  I am not sure about the
exceptions as it happens when I am not looking but I will ramp up the
logging and see if I can trap anything.

>
> A frequent problem with #popen methods is to not read file descriptors
> which can make the client hang (i.e. if it writes more than fits into
> a pipe).  That could be something to check since you are not reading
> any of the streams.

If you have any pointers to documentation about this I would really
appreciate it. I know so little about unix processes and pipes and
such.