X-Recipient:	archive-cygwin AT delorie DOT com
X-Spam-Check-By:	sourceware.org
X-YMail-OSG:	uZ8CUHQVM1nI0dD6IslagexiDhxiZRj3SfFkOWhqo63WpH0ZQQQu6P1KHGtnfxjEZxjirhZm.RrWZAXhIgSjrgQnzRCopYYfGAZ0FadNVfSgoGno9uBCGaDBc.9m
X-Yahoo-Newman-Property:	ymail-3
Message-ID:	<47A62DC0.9040206@computer.org>
Date:	Sun, 03 Feb 2008 13:10:24 -0800
From:	Tim Prince <tprince AT computer DOT org>
User-Agent:	Thunderbird 2.0.0.9 (Windows/20071031)
MIME-Version:	1.0
To:	cygwin AT cygwin DOT com
Subject:	Re: Memory leak problem reported with gfortran
References:	<47A614EC DOT 1010104 AT verizon DOT net>
In-Reply-To:	<47A614EC.1010104@verizon.net>
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

Jerry DeLisle wrote:
> I have confirmed this problem on Cygwin reported here:
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35063
>
> I am not very familiar with the windows environment.  Having patched 
> most of the gfortran I/O library in the last 2-3 years I can say that 
> we do a lot of memory allocation for I/O.
>
> On Linux based systems we do not see any issues (checked with 
> valgrind).  This problem acts like a failure to free memory.  I do not 
> know what is meant by the term "handle" other than a pointer to an 
> allocated block of memory.
>
> Those of you most familiar with the Windows environment could perhaps 
> help here.    Is this a bug in Cygwin memory management?
>
> I will be happy to provide additional information as soon as I know 
> what is pertinent.
>
> I have latest Cygwin as of about two weeks ago and I can provide a 
> gfortran binary if needed.
I wouldn't be surprised if each cygwin installation acted somewhat 
differently.  On my Core 2 Duo laptop, if I run from the bash prompt, it 
hangs after the first prompt.  If I run under gdb, it exhibits no 
problem.  If there's any interest, I'll try the Pentium D tomorrow.

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

- Raw text -