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Mail Archives: cygwin/2008/02/06/04:22:38

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Date: Wed, 6 Feb 2008 10:21:54 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Memory leak problem reported with gfortran
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On Feb  5 17:23, Jerry DeLisle wrote:
> Corinna Vinschen wrote:
>> On Feb  4 17:24, Christopher Faylor wrote:
>>> On Mon, Feb 04, 2008 at 01:25:27PM -0800, Jerry DeLisle wrote:
>>>> The test also appears very clean on Linux.  The gfortran library is
>>>> implemented in C.  I need to examine some dumps from the compiler and I
>>>> will get back with you off list if I don't spot the problem.
>>> I am fairly certain that Corinna would want to keep any correspondence
>>> on-list.
>> Yup, that's right.
>
> OK, we have isolated the problem now.  Confirming its in the libgfortran.  
> The reason we did not see it on Linux is because we just did not run out of 
> memory yet and when the test program completes, it does actually free what 
> was allocated.  We are failing to reuse an already allocated block so we 
> were allocating a new one for every single WRITE to the string.
>
> Thanks for all your help.

Thanks for letting us know.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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