Date: Mon, 14 May 2001 17:21:06 -0700 From: Peter Wemm <peter@wemm.org> To: Brian Somers <brian@Awfulhak.org> Cc: Poul-Henning Kamp <phk@FreeBSD.org>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/fs/devfs devfs_vnops.c Message-ID: <20010515002106.EC0F8380E@overcee.netplex.com.au> In-Reply-To: <200105150007.f4F077515172@hak.lan.Awfulhak.org>
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Brian Somers wrote:
> > phk 2001/05/14 01:20:47 PDT
> >
> > Modified files:
> > sys/fs/devfs devfs_vnops.c
> > Log:
> > After a successfull poll of the cloning functions, match on the
> > returned dev_t rather than the original name.
> >
> > This allows cloning from one name to another which is useful for
> > /dev/tty and later for the pty's.
> >
> > Revision Changes Path
> > 1.23 +7 -15 src/sys/fs/devfs/devfs_vnops.c
>
> Does this mean that I can catch ``open("/dev/tun")'' and clone (say)
> /dev/tun100, returning that ?
>
> If so - WOW ! And in no less than -8 lines too !
This is how cloning is supposed to work. ie: open /dev/ptymx and it was
as if you had opened /dev/ptyS6, and devname() returns /dev/ptyS6.
Cheers,
-Peter
--
Peter Wemm - peter@FreeBSD.org; peter@yahoo-inc.com; peter@netplex.com.au
"All of this is for nothing if we don't go to the stars" - JMS/B5
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