From: Lucio De Re <lucio@proxima.alt.za>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] That deadlock, again
Date: Wed, 17 Nov 2010 08:48:38 +0200 [thread overview]
Message-ID: <20101117064838.GB3597@fangle.proxima.alt.za> (raw)
In-Reply-To: <875ae24babf9d402d55084c7dad708c0@gmx.de>
On Wed, Nov 17, 2010 at 06:33:13AM +0100, cinap_lenrek@gmx.de wrote:
> sorry for not being clear. what i ment was that qpc is for the last
> qlock we succeeded to acquire. its *not* the one we are spinning on.
> also, qpc is not set to nil on unlock.
>
Ok, so we set qpctry (qpcdbg?) to qpc before changing qpc? Irrespective
of whether qpc is set or nil? And should qunlock() clear qpc for safety,
or would this just make debugging more difficult?
++L
next prev parent reply other threads:[~2010-11-17 6:48 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-16 4:21 lucio
2010-11-16 4:40 ` erik quanstrom
2010-11-16 5:03 ` lucio
2010-11-16 5:11 ` cinap_lenrek
2010-11-16 5:18 ` lucio
2010-11-16 5:28 ` cinap_lenrek
2010-11-16 6:47 ` Lucio De Re
2010-11-16 13:53 ` erik quanstrom
2010-11-16 18:03 ` lucio
2010-11-17 4:08 ` Lucio De Re
2010-11-17 4:18 ` erik quanstrom
2010-11-17 4:37 ` Lucio De Re
2010-11-17 4:43 ` erik quanstrom
2010-11-17 5:22 ` cinap_lenrek
2010-11-17 6:45 ` Lucio De Re
2010-11-17 7:03 ` Lucio De Re
2010-11-17 7:09 ` erik quanstrom
2010-11-17 5:33 ` cinap_lenrek
2010-11-17 6:48 ` Lucio De Re [this message]
2010-11-17 7:03 ` erik quanstrom
2010-11-17 14:40 ` Russ Cox
2010-11-18 5:50 Lucio De Re
2010-11-18 5:53 ` erik quanstrom
2010-11-18 8:11 ` Lucio De Re
2010-11-18 8:35 ` cinap_lenrek
2010-11-18 9:20 ` cinap_lenrek
2010-11-18 10:48 ` Lucio De Re
2010-11-18 15:10 ` erik quanstrom
2010-11-18 16:46 ` erik quanstrom
2010-11-18 18:01 ` Lucio De Re
2010-11-18 18:29 ` C H Forsyth
2010-11-18 18:23 ` Lucio De Re
2010-11-18 18:33 ` Lucio De Re
2010-11-18 18:43 ` erik quanstrom
2010-11-18 18:54 ` erik quanstrom
2010-11-18 19:01 ` Lucio De Re
2010-11-18 19:27 ` Lucio De Re
2010-11-18 18:03 ` Lucio De Re
2010-11-18 5:57 ` Lucio De Re
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