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From: Hans Petter Selasky <hselasky@c2i.net>
To: Antti Palosaari <crope@iki.fi>
Cc: linux-media@vger.kernel.org
Subject: Re: recursive locking problem
Date: Fri, 9 Sep 2011 09:51:51 +0200	[thread overview]
Message-ID: <201109090951.51252.hselasky@c2i.net> (raw)
In-Reply-To: <4E68EE98.90201@iki.fi>

On Thursday 08 September 2011 18:34:32 Antti Palosaari wrote:
> lock() + lock() + unlock() == free.

Hi,

As far as I can see the Linux kernel's mutex API doesn't have support for 
checking if a mutex is owned. I guess you would have to do something like:

while (mutex_owned(&xxx))
	mutex_unlock(&xxx);

--HPS

  reply	other threads:[~2011-09-09  7:54 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-08 16:34 recursive locking problem Antti Palosaari
2011-09-09  7:51 ` Hans Petter Selasky [this message]
2011-09-09 10:45 ` David Waring
2011-09-13 20:59   ` Antti Palosaari
2011-09-13 21:34     ` Steve Kerrison
2011-09-13 21:58       ` Steven Toth
2011-09-13 22:10         ` Devin Heitmueller
2011-09-13 22:19           ` Steven Toth
2011-09-13 22:01       ` Devin Heitmueller
2011-09-09 11:46 ` Daniel Glöckner
2011-09-14  1:03   ` Antti Palosaari
2011-09-14  6:19     ` Daniel Glöckner
2011-09-14 10:45       ` Antti Palosaari
2011-09-14 12:22         ` Daniel Glöckner

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