Date: Sun, 15 Jan 2006 08:15:40 -0800 From: Tiffany Snyder <tiffany.snyder@gmail.com> To: Robert Watson <rwatson@freebsd.org> Cc: freebsd-hackers@freebsd.org, prime <guomingyan@gmail.com> Subject: Re: How priority propagation works on read/write lock? Message-ID: <b63e753b0601150815q2f6374cfqc779a2118e14440f@mail.gmail.com> In-Reply-To: <20060115113523.O38874@fledge.watson.org> References: <1fa17f810601122232l25551bc5n4e4a01ff6b7921e@mail.gmail.com> <ac7deb50601130146y4abd573dn2ac47622374c1551@mail.gmail.com> <1fa17f810601130220h521590banff7d775a8bd4eaa6@mail.gmail.com> <b63e753b0601141040v1430da8ag28878e2a31aef486@mail.gmail.com> <1fa17f810601141109u3e3a0586ud3b3cc86ebc6e80@mail.gmail.com> <20060115113523.O38874@fledge.watson.org>
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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 >
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