Date: Mon, 12 Jun 2006 23:43:41 +0800 From: David Xu <davidxu@freebsd.org> To: freebsd-current@freebsd.org Cc: Poul-Henning Kamp <phk@phk.freebsd.dk>, Robert Watson <rwatson@freebsd.org>, current@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: FILEDESC_LOCK() implementation Message-ID: <200606122343.42246.davidxu@freebsd.org> In-Reply-To: <34009.1150095661@critter.freebsd.dk> References: <34009.1150095661@critter.freebsd.dk>
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On Monday 12 June 2006 15:01, Poul-Henning Kamp wrote: > In message <20060612075515.C26634@fledge.watson.org>, Robert Watson writes: > >What we probably want is an sx_init_interlock() that allows us to provide > > the interlock for an sx lock, wich some variations on sx_*lock() to say > > we already hold the interlock. > > Sounds overly complicated to use. > > Why not just a sx_xlockfast() sx_xunlockfast() ? for some value of "fast" ? I thought it is a rwlock, but it is not in fact, a bit disappointing.
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