Date: Mon, 20 Mar 2000 16:25:07 -0700 From: Wes Peters <wes@softweyr.com> To: Poul-Henning Kamp <phk@critter.freebsd.dk> Cc: Warner Losh <imp@village.org>, hackers@FreeBSD.ORG Subject: Re: splFoo() question Message-ID: <38D6B353.FA58BB15@softweyr.com> References: <19535.953571683@critter.freebsd.dk>
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Poul-Henning Kamp wrote:
>
> In message <200003182031.NAA97975@harmony.village.org>, Warner Losh writes:
>
> >I'd like to be able to do some simple spl locking in a driver that I'm
> >writing. While I could go the splhigh() route, I'm concerned that
> >spending lots of time at splhigh could cause problems, and some of my
> >critical sections look to be very expensive. They only need
> >protection against the card itself, not against the entire system. It
> >just seems to be an overly large hammer.
>
> I miss this too.
Semaphores?
--
"Where am I, and what am I doing in this handbasket?"
Wes Peters Softweyr LLC
wes@softweyr.com http://softweyr.com/
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