Date: Wed, 5 Mar 2003 12:36:28 -0800 (PST) From: Nate Lawson <nate@root.org> To: Julian Elischer <julian@elischer.org> Cc: John Baldwin <jhb@FreeBSD.org>, cvs-all@FreeBSD.org, cvs-src@FreeBSD.org, src-committers@FreeBSD.org Subject: Re: cvs commit: src/sys/kern kern_mutex.c Message-ID: <Pine.BSF.4.21.0303051235460.82966-100000@root.org> In-Reply-To: <Pine.BSF.4.21.0303051209170.61509-100000@InterJet.elischer.org>
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On Wed, 5 Mar 2003, Julian Elischer wrote: > On Wed, 5 Mar 2003, Nate Lawson wrote: > > My issue is with contention for a named endpoint. If one thread enables > > traffic to an endpoint and then disables it, it still has the endpoint > > allocated. If another thread tries to enable the same endpoint, it needs > > to lock the OTHER endpoint, check if it's disabled (freeing it if it is), > > and then unlock it. My current locking approach is to lock my own softc, > > lock the driver global mtx, and then lock the OTHER thread's softc before > > checking if it is enabled. > > This is very similar to the case I was trying to solve.. > I was trying to create and destroy netgraph links. > from different ends of the connection.. > I ended up taking a completely different approach. :-) What was the new approach? -Nate To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-src" in the body of the message
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