X-Recipient: archive-cygwin AT delorie DOT com
X-SWARE-Spam-Status: No, hits=-0.9 required=5.0	tests=BAYES_00,DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED,SPF_HELO_PASS,TW_PG,T_RP_MATCHES_RCVD
X-Spam-Check-By: sourceware.org
To: cygwin AT cygwin DOT com
From: Lee Collier <klcollierjr AT gmail DOT com>
Subject: Re: Anamoly with ioctl() in cygwin 1.7.10
Date: Thu, 8 Mar 2012 01:35:54 +0000 (UTC)
Lines: 15
Message-ID: <loom.20120308T023115-96@post.gmane.org>
References: <CALAQL3J43=MA-fFHSd-VVyuJ_n1cpAuEQ1zpxvrRDXptQk8sSQ AT mail DOT gmail DOT com> <CAG_2cTm5JXFsiK0MaUQr36pxVFNeAmsNpGTo65q9inRB=U5e4w AT mail DOT gmail DOT com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
User-Agent: Loom/3.14 (http://gmane.org/)
X-IsSubscribed: yes
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id: <cygwin.cygwin.com>
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com

Jon Clugston <jon.clugston <at> gmail.com> writes:
> 
> Don't know if it will fix your problem, but you cannot just create a
> mutex on the stack and call "lock" on it.  You must initialize it with
> "pthread_mutex_init()".
> 
> Jon
> 
> 
Good catch. I missed that in my haste to scrounge a sample pgm together. With or 
w/out initializing the mutex the anomaly still occurs.

LC




--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple