From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Mathew Benson <mathew.benson@gmail.com>
Cc: "xenomai@xenomai.org" <xenomai@xenomai.org>
Subject: Re: [Xenomai] Debugger and secondary mode question
Date: Wed, 4 Mar 2015 22:48:09 +0100 [thread overview]
Message-ID: <20150304214809.GH30672@hermes.click-hack.org> (raw)
In-Reply-To: <666349AB-944C-4C85-83DE-C37BB9231AB1@gmail.com>
On Wed, Mar 04, 2015 at 03:45:09PM -0600, Mathew Benson wrote:
> I'll test it again shortly.
>
> What happens when a thread depletes a semaphore or takes a mutex, then transitions to secondary mode? Does the semaphore or mutex automatically get given back or does the thread keep it for when it transitions back to primary mode?
It keeps it, but this is very bad, and you should normally get a
warning in your kernel console. You can get a SIGDEBUG too, if you
enable the notification for the thread.
Of course, when debugging, timing issues are not so important, so
this is not an issue.
--
Gilles.
next prev parent reply other threads:[~2015-03-04 21:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-04 17:33 [Xenomai] Debugger and secondary mode question Mathew Benson
2015-03-04 17:42 ` Gilles Chanteperdrix
2015-03-04 21:45 ` Mathew Benson
2015-03-04 21:48 ` Gilles Chanteperdrix [this message]
2015-03-04 21:56 ` Gilles Chanteperdrix
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