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Date: Wed, 18 Jan 2006 18:03:44 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Intermittent cygwin heap allocation problem
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On Jan 18 11:57, Christopher Faylor wrote:
> 1.5.19 may have aggravated this problem since Corinna's changes to mmap
> now use VirtualAlloc'ed space for privately mmapped areas.  For some
> inexplicable reason, this causes more of this type of collision.  I
> would swear that once a program uses a memory area in a parent, windows
> is much more likely to use that memory for system-like things in the
> "forked/execed" child.

Maybe we should use mmap from malloc only for bigger areas again.  Not
that I like the idea, but if it helps to lower the collisions...


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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