From:	lat AT iki DOT fi (Lassi A. Tuura)
Subject:	Re: mmap() support W95/NT in b18
23 Jan 1998 19:21:59 -0800 :
Message-ID:	<34C7485B.D00468A1.cygnus.gnu-win32@iki.fi>
References:	<199801201105 DOT NAA22856 AT umail DOT lmf DOT ericsson DOT se>
Mime-Version:	1.0
To:	Kenneth Osterberg <lmfken AT lmf DOT ericsson DOT se>
Cc:	gnu-win32 AT cygnus DOT com

Kenneth Osterberg wrote:
> On WindowsNT (3.51), it fails with errno=13 (Permission denied).

It seems that mmap always fails on NT if the file has been opened by
some other process.  I suppose it has something to do with the file
sharing options, which probably default to no sharing at all.  For
instance, I do not know if it is possible to mmap the same file into two
processes simultanously; perhaps somebody wiser than me can tell. You
may want to check that this is not the cause for your problems.

Cheers,
//lat
-- 
Lassi DOT Tuura AT cern DOT ch          There's no sunrise without a night
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