From owner-freebsd-arch  Mon Jan 29 14:31:23 2001
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Date: Mon, 29 Jan 2001 14:28:34 -0800
From: Alfred Perlstein <bright@wintelcom.net>
To: Poul-Henning Kamp <phk@critter.freebsd.dk>
Cc: John Baldwin <jhb@FreeBSD.ORG>,
	Brian Somers <brian@Awfulhak.org>, freebsd-arch@FreeBSD.ORG
Subject: Re: Cloned open support
Message-ID: <20010129142834.G26076@fw.wintelcom.net>
References: <20010129141621.F26076@fw.wintelcom.net> <24995.980807023@critter>
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* Poul-Henning Kamp <phk@critter.freebsd.dk> [010129 14:23] wrote:
> 
> >> Why not use an ioctl on the control device to get a minor number to
> >> use?  The ioctl could then do a make_dev() on the appropriate device
> >> to create it.
> >
> >Yes, but will it swap the current open fd with the new device?
> >
> >Afaik the idea is to remove the race condition.
> 
> Guys, we *already have* cloning support that either does or can
> do all of this with only minor adjustments.

/me hands you a wrench

> 
> You are sitting in a car discussing how to invent the wheel :-)

then we are waiting to be enlightened. :)

thanks,
-- 
-Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org]
"I have the heart of a child; I keep it in a jar on my desk."


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