Re: wait PID for an arbitrary PID

From: Chris Mattern (syscjm_at_gwu.edu)
Date: 09/02/03 

Date: Tue, 02 Sep 2003 12:20:06 -0400

Dan Jacobson wrote:
> Wanting to do a
> $ wait PID
> for an arbitrary PID, no necessarily a child, what should I use?
> Bash? No. Perl?

Er, you can't wait for something that's not a child of the current
process. UNIX process semantics don't work that way. Basically,
you're going to have to poll the running processes to see if it's
still there, or else have the process you want to track notify you
in some way of its termination.

                           Chris Mattern

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