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Date: Sun, 16 Dec 2007 12:04:41 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
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Subject: Re: mmap failing
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On Dec 14 13:59, Wayne Christopher wrote:
> I have a 268MB file open for writing.  I close it and then
> immediately try to mmap() it, and a get ENOMEM.  However I do have the
> VM space available and can malloc() the size of the file right after the 
> failure.  Also, I have mmap()'ed other similar files in the same program 
> before this, but these had not just been closed.
>
> My initial guess was that it was timing related, but if I wait for 5
> seconds and try again I still get the failure.
>
> I wasn't able to duplicate it in a small example since my app has a bunch 
> of threads and is doing other stuff at the same time.
>
> Any suggestions for solutions or workarounds?

Not without testcase and version information.  Is that under 1.5.24-2
or 1.5.25-x?  Could you test if the result differs between these two
versions?  If so, how?


Corinna

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

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