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Date: Sun, 03 Feb 2008 13:10:24 -0800
From: Tim Prince <tprince AT computer DOT org>
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Subject: Re: Memory leak problem reported with gfortran
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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.

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