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Date: Sun, 7 Nov 2004 12:07:46 -0800 (PST)
From: Matthew Dillon <dillon@apollo.backplane.com>
Message-Id: <200411072007.iA7K7kgR044165@apollo.backplane.com>
To: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
References: <18262.1099813719@critter.freebsd.dk>
cc: arch@freebsd.org
cc: John-Mark Gurney <gurney_j@resnet.uoregon.edu>
Subject: Re: Multi-threading access to device drivers. 
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:>    If it's a regular file [...]
:
:BZZZT!  Wrong, but thanks for playing.  (We are talking devices here)
:
:-- 
:Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20

    Well, most devices don't give a damn about the file offset supplied
    in the UIO from the file descriptor, so if it isn't a regular file
    why would you care?  You should just parallel entry into the device and
    let the device take care of any required serialization.

					-Matt
					Matthew Dillon 
					<dillon@backplane.com>