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Date:      Thu, 29 May 2008 15:14:20 +0100 (BST)
From:      Robert Watson <rwatson@FreeBSD.org>
To:        Michael Reifenberger <mike@reifenberger.com>
Cc:        cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org, John Baldwin <jhb@freebsd.org>
Subject:   Re: cvs commit: src/usr.sbin/jexec jexec.8 jexec.c
Message-ID:  <20080529151233.I3678@fledge.watson.org>
In-Reply-To: <20080529140557.GA94385@gw.reifenberger.com>
References:  <200805261157.m4QBvnpF025029@repoman.freebsd.org> <20080526144831.K26343@fledge.watson.org> <20080526140735.GA35960@gw.reifenberger.com> <200805281309.49683.jhb@freebsd.org> <20080529140557.GA94385@gw.reifenberger.com>

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On Thu, 29 May 2008, Michael Reifenberger wrote:

> On Wed, May 28, 2008 at 01:09:49PM -0400, John Baldwin wrote: ...
>
>> Maybe make it only work if it only matches a single jail?  That would work 
>> for the common case while avoiding ambiguities in the complex cases.
>
> Yes. Thats a good suggestion and the road I'll go. Thanks!

The other concept that might be of benefit is a "dead" jail vs. a "live" jail 
-- with TCP connections taking a while to run down, there can often be 
dangling jail references that don't garbage collect for a few minutes. 
Perhaps, where there is ambiguity, live jails (ones with referencing 
processes) should be preferred to dead ones.

Robert N M Watson
Computer Laboratory
University of Cambridge



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