[racket] adding other objects to custodian

From: Matthew Flatt (mflatt at cs.utah.edu)
Date: Sun Jul 4 18:45:54 EDT 2010

At Sun, 4 Jul 2010 16:26:21 -0400, Eli Barzilay wrote:
> On Jul  4, Matthew Flatt wrote:
> > [...]
> > 
> >  * A subprocess can create any number of sub-subprocesses itself, and
> >    there's no way to kill those, which isn't very custodian-like.
> Isn't a process group the way to solve this?

My impression from looking into this before was that process groups
don't help. Can't a subprocess just declare itself to be a new process
group (and there's no hierarchy)?

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