From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Roland Stigge <stigge@antcom.de>
Cc: 678695@bugs.debian.org, duch.alexandre@gmail.com, Xenomai@xenomai.org
Subject: Re: [Xenomai] Debian Bug#678695: Xenomai posix skin : bug with pthread_mutex_trylock function
Date: Sun, 24 Jun 2012 13:56:48 +0200 [thread overview]
Message-ID: <4FE70080.6020109@xenomai.org> (raw)
In-Reply-To: <4FE6F616.1010900@antcom.de>
On 06/24/2012 01:12 PM, Roland Stigge wrote:
> Original Report (the report at the above link contains the example file):
>
> Package: xenomai
> Version: 2.6.0
>
> Kernel:2.6.38.8 - Xenomai:2.6.0
> arch:i686 i386 GNU/Linux
>
> Hi,
>
> The attached code shows a malfunction of the pthread_mutex_trylock function.
>
>
> Description of test.c:
> The main task takes the mutex during 1second while the 't1' task tries
> to take this mutex from 0.5sc.
> We can notice that with the posix skin of xenomai, t1 never succeeded to
> take the mutex, which is not the case without the posix skin of xenomai.
>
>
>
> Duchesne Alexandre
> duch.alexandre@gmail.com
pthread_mutex_trylock is know to be broken in Xenomai 2.6.0, this has
been fixed in xenomai current development branch. See patches:
http://git.xenomai.org/?p=xenomai-2.6.git;a=commitdiff;h=a0822a77ba383dac832253e6f0ca3431860a5661;hp=b3af76a4dc4cc2282fb83cdfeb9c454a1242a125
http://git.xenomai.org/?p=xenomai-2.6.git;a=commitdiff;h=de094a9e580511eb2dfdc0cee78bf92c959e2c55;hp=28256f3937c80f25fd6f49394a4ffb5d7b3179c7
--
Gilles.
next prev parent reply other threads:[~2012-06-24 11:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-24 11:12 [Xenomai] Debian Bug#678695: Xenomai posix skin : bug with pthread_mutex_trylock function Roland Stigge
2012-06-24 11:56 ` Gilles Chanteperdrix [this message]
2012-07-11 16:38 ` Gilles Chanteperdrix
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