Date: Sun, 18 Aug 2002 20:01:42 -0700 (PDT) From: Julian Elischer <julian@elischer.org> To: Terry Lambert <tlambert2@mindspring.com> Cc: Matthew Dillon <dillon@apollo.backplane.com>, Ian Dowse <iedowse@maths.tcd.ie>, Bruce Evans <bde@zeta.org.au>, arch@FreeBSD.ORG Subject: Re: Solving the stack gap issue Message-ID: <Pine.BSF.4.21.0208181959240.42036-100000@InterJet.elischer.org> In-Reply-To: <3D60403B.FD09089E@mindspring.com>
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On Sun, 18 Aug 2002, Terry Lambert wrote: > Julian Elischer wrote: > > On Sun, 18 Aug 2002, Matthew Dillon wrote: > [ ... ] [...] > > If "lock b" fails because it would result in a deadlock, then > the only safe way to recover is to unwind the call graph to the > point "lock a" was acquired, and release "lock a", yield, and > then reacquire "lock a" and redescend the call graph to retry > the "lock b" acquisition. you are talking (almost) about the "asleep()" faciliy that matt Dillon added for a while bus has been rmoved again.. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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