Date: Wed, 9 Jun 2004 19:44:15 +0300 From: Ruslan Ermilov <ru@FreeBSD.org> To: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> Cc: Lukas Ertl <le@FreeBSD.org> Subject: Re: cvs commit: src/sys/kern kern_proc.c Message-ID: <20040609164415.GA59326@ip.net.ua> In-Reply-To: <200406091632.i59GWSmF052675@khavrinen.lcs.mit.edu> References: <55929.1086798000@critter.freebsd.dk> <20040609182606.X707@korben.in.tern> <200406091632.i59GWSmF052675@khavrinen.lcs.mit.edu>
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[-- Attachment #1 --] On Wed, Jun 09, 2004 at 12:32:28PM -0400, Garrett Wollman wrote: > <<On Wed, 9 Jun 2004 18:28:57 +0200 (CEST), Lukas Ertl <le@FreeBSD.ORG> said: > > > Is there a possibility that foo->refcount is incremented after both of > > them left the critical section, so that i is 0, but foo->refcount isn't? > > The only way there can be such a possibility is if you haven't counted > all the references. > Are you trying to say that the 0->1 transition isn't possible? Cheers, -- Ruslan Ermilov ru@FreeBSD.org FreeBSD committer [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFAxz5fqRfpzJluFF4RAsDaAJ0XuIvjGlo4VoPabEltjxbkm5an+wCfWbDN Dar9IudEo7qd0K2OGIFxVNs= =0Rr8 -----END PGP SIGNATURE-----
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