Date: Sun, 23 Jun 2002 20:01:05 -0700 (PDT) From: Matthew Dillon <dillon@apollo.backplane.com> To: Julian Elischer <julian@elischer.org> Cc: Alfred Perlstein <bright@mu.org>, freebsd-hackers@FreeBSD.ORG, Alan Cox <alc@cs.rice.edu>, Tor.Egge@cvsup.no.freebsd.org Subject: Re: Bug in wakeup() (stable and current) ? Message-ID: <200206240301.g5O315Ow089287@apollo.backplane.com> References: <Pine.BSF.4.21.0206231838180.44896-100000@InterJet.elischer.org>
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:> the conditionally restarting rather then removing the element from the
:> list and unconditionally restarting. The only reason it works at all
:> is because sys/queue.h does not clear out the pointers in the node
:> that was just removed. The code is just plain wrong, though, because
:> the queue mechanisms make no such (documented) guarentee.
:
:ummmm Was this found because of my tailq debugging stuff
:that sets the forward pointer to -1?
:
Yah, that's what found it.
-Matt
Matthew Dillon
<dillon@backplane.com>
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