From owner-freebsd-hackers@FreeBSD.ORG  Sun Jan 15 16:22:16 2006
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Date: Sun, 15 Jan 2006 08:15:40 -0800
From: Tiffany Snyder <tiffany.snyder@gmail.com>
To: Robert Watson <rwatson@freebsd.org>
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Cc: freebsd-hackers@freebsd.org, prime <guomingyan@gmail.com>
Subject: Re: How priority propagation works on read/write lock?
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That's awesome. Thanks for the update.

Tiffany.


On 1/15/06, Robert Watson <rwatson@freebsd.org> wrote:
>
>
> On Sun, 15 Jan 2006, prime wrote:
>
> > On 1/15/06, Tiffany Snyder <tiffany.snyder@gmail.com> wrote:
> >>
> >> Does FreeBSD support rwlocks?
> ...
> > FreeBSD supports sx now,see sx(9).sx has the same semanteme
> > as rwlock.
>
> While semantically they are very simila, John Baldwin has a
> work-in-progress
> implementation of rwlock's in Perforce.  Given the progress he appears to
> be
> making, I imagine we'll see it in CVS within a week or two.
>
> Robert N M Watson
>