Date: Wed, 09 Jun 2004 12:19:19 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: julian@elischer.org Cc: nate@root.org Subject: Re: cvs commit: src/sys/kern kern_proc.c Message-ID: <20040609.121919.18287197.imp@bsdimp.com> In-Reply-To: <Pine.BSF.4.21.0406091101160.57882-100000@InterJet.elischer.org> References: <56935.1086803930@critter.freebsd.dk> <Pine.BSF.4.21.0406091101160.57882-100000@InterJet.elischer.org>
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In message: <Pine.BSF.4.21.0406091101160.57882-100000@InterJet.elischer.org> Julian Elischer <julian@elischer.org> writes: : : : On Wed, 9 Jun 2004, Poul-Henning Kamp wrote: : : > In message <Pine.BSF.4.21.0406091051580.57882-100000@InterJet.elischer.org>, Ju : > lian Elischer writes: : > : > >As I've said before and will continue to say.. : > >"We need a more formal model of dealing with reference counts" : > > : > >i.e. : > > : > >we should get a set of reference counting primatives and make it WELL : > >DOCUMENTED as to how they should be used.. : > : > And as others have replied: It is seldom worth it from code clarity : > or performance wise. : : few have replied in that way.. : most have agreed that it is worth persuing.. We should document how to do refcounting. Either from a atomic point of view (which has issues) or from the mutex point of view (which also has issues). I think that everyone agrees on that. Warner
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