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Date: Tue, 04 Feb 2003 15:11:10 -0500
From: Jason Tishler <jason AT tishler DOT net>
Subject: Re: mmap() issue affects cygipc (and PostgreSQL's PL/Tcl)
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Corinna,
Chris,

On Tue, Feb 04, 2003 at 08:11:28PM +0100, Corinna Vinschen wrote:
> On Tue, Feb 04, 2003 at 02:09:19PM -0500, Christopher Faylor wrote:
> > On Tue, Feb 04, 2003 at 08:00:43PM +0100, Corinna Vinschen wrote:
> > >Hmmm.  It looks as if cygipc would have to be changed to allow
> > >working w/o O_TRUNC.  I can't see any chance to change something in
> > >Cygwin to get that working.

Bummers, I thought so.

> > Doesn't CREATE_ALWAYS truncate the file anyway?  Couldn't we skip a
> > TRUNCATE_EXISTING in the case of a CREATE_ALWAYS?
> 
> We do.  Both operations (CREATE_ALWAYS as well as TRUNCATE_EXISTING)
> don't work on mmapped files.  Bad luck.

Chris and your help is appreciated anyways.

Thanks,
Jason

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