From: Joel VanderWerf <vjoel@...>
Date: 2009-09-02T06:59:52+09:00
Subject: Re: Process#poll

Roger Pack wrote:
> Question.
> 
> Situation:
> I want to start a process, then loop, checking for its status, so that I
> can "know" when it finishes, and not block the Tk.mainloop.
> 
> Anybody know how to determine runningness of a process in ruby?
> Thanks!

Don't the Process.wait family of methods do what you want? Maybe:

Process.waitpid(pid, Process::WNOHANG)

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       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407