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Date: Fri, 16 Jan 2004 14:19:30 -0500 (EST)
From: Robert Watson <rwatson@FreeBSD.org>
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Subject: Re: Signal delivery to kernel threads/processes?
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On Fri, 16 Jan 2004, Robert Watson wrote:

> On Fri, 16 Jan 2004, Robert Watson wrote:
> 
> > 	if (p->p_flag & P_SYSTEM) 
> > 		return (EPERM);
> 
> Another possible interpretation, not quite the same, might be to use
> P_KTHREAD. 

And, to add insult to injury by following up to my post yet another time: 
init has P_SYSTEM set, so P_KTHREAD is a much better choice.  Either that
or introduce a P_KERNEL flag. 

Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
robert@fledge.watson.org      Senior Research Scientist, McAfee Research