Date: Sun, 07 Oct 2001 18:56:50 +0200 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Brian Somers <brian@Awfulhak.org> Cc: freebsd-arch@FreeBSD.ORG Subject: Re: Cloned open support Message-ID: <1359.1002473810@critter.freebsd.dk> In-Reply-To: Your message of "Mon, 29 Jan 2001 10:52:31 GMT." <200101291052.f0TAqVK58112@storm.FreeBSD.org.uk>
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Uhm, Brian... We have cloned devices already... What exactly is it that you want to implement ? Poul-Henning In message <200101291052.f0TAqVK58112@storm.FreeBSD.org.uk>, Brian Somers write s: >Hi, > >I'm considering having a crack at adding support for cloned opens. >Before I start, I guess I've got two questions: > >1. Is anybody else doing this. > >2. Given that I'll need to change the d_open prototype (and > thus cdevsw), I'm going to affect every device driver in the > tree - although only changing the first arg to a (dev_t) > pointer, making things pretty easy to change and not too > unexpected for anyone that's written sysv drivers. > > Is it acceptable to simply not support old drivers ? > > I've considered trying to do things so that they're backwards > compatible, but I think the answer is that it'd be too much > of a crutch in the future. > >Ok, ok, three questions ! > >3. Should I ask for review anywhere else besides here ? > >Ta. > >-- >Brian <brian@Awfulhak.org> <brian@[uk.]FreeBSD.org> > <http://www.Awfulhak.org>; <brian@[uk.]OpenBSD.org> >Don't _EVER_ lose your sense of humour ! > > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-arch" in the body of the message > -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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