Date: 16 Aug 1999 11:11:06 +0200 From: Dag-Erling Smorgrav <des@flood.ping.uio.no> To: Brian Somers <brian@Awfulhak.org> Cc: Poul-Henning Kamp <phk@critter.freebsd.dk>, Julian Elischer <julian@whistle.com>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/miscfs/specfs spec_vnops.c src/sys/sys conf.h Message-ID: <xzpr9l4rsyd.fsf@flood.ping.uio.no> In-Reply-To: Brian Somers's message of "Sat, 14 Aug 1999 21:14:35 %2B0100" References: <199908142014.VAA07985@keep.lan.Awfulhak.org>
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Brian Somers <brian@Awfulhak.org> writes:
> From what I can tell, this requires that the driver ignores the minor
> number ('cos it's the same for all accesses) but keeps a track of of
> the process id in the device structure. The driver would need to
> know about fork()s and *all* close()s, and would probably need to
> use something faster than `sequential' to find the device structure
> from the pid (some sort of hash).
What if the same process needs several instances of the same device?
DES
--
Dag-Erling Smorgrav - des@flood.ping.uio.no
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