Date: Thu, 14 Dec 2000 23:37:15 +0000 (GMT) From: Terry Lambert <tlambert@primenet.com> To: dot@dotat.at (Tony Finch) Cc: tlambert@primenet.com (Terry Lambert), bright@wintelcom.net (Alfred Perlstein), dillon@earth.backplane.com (Matt Dillon), mckusick@mckusick.com (Kirk McKusick), arch@FreeBSD.ORG, net@FreeBSD.ORG Subject: Re: patch to cleanup inflight desciptor handling. Message-ID: <200012142337.QAA15971@usr08.primenet.com> In-Reply-To: <20001214231629.K92196@hand.dotat.at> from "Tony Finch" at Dec 14, 2000 11:16:29 PM
next in thread | previous in thread | raw e-mail | index | archive | help
> >SVR4 and Solaris avoid the problem entirely by ensuring that > >each reference to a vnode pointer counts as an "open", and > >the vnode can not be discarded until a 1->0 reference count > >change (grep for VHOLD/VRELE/VREF in the Solaris headers). > > FreeBSD does this too. It doesn't solve the circular reference > problem, though (hence the AI Koan). I think in-progress passes will have their references freed when the receiving end goes away. This still leaves the possibility of a circular reference being passed while being passed until the process exits, but I don't think you need to care about that. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200012142337.QAA15971>