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From: "Randy Brukardt" <randy@rrsoftware.com>
Newsgroups: comp.lang.ada
Subject: Re: Exclusive file access
Date: Mon, 31 Aug 2015 18:20:39 -0500
Organization: JSA Research & Innovation
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 <e908c802-bc4b-4ad7-8c31-d8c155a8a484@googlegroups.com>
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Date: 2015-08-31T18:20:39-05:00
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<gautier_niouzes@hotmail.com> wrote in message 
news:e908c802-bc4b-4ad7-8c31-d8c155a8a484@googlegroups.com...
> Hi Ahlan,
>
> I also get no exception with GNAT GPL 2014, Windows 7...
> But with ObjectAda 7.2.2 SE, on the same machine, the 2nd occurrence 
> raises the expected Use_Error.

Yes, test second occurrence on Janus/Ada raises Use_Error as well.

My recollection is that getting Windows to do this requires opening files 
with a particular non-default flag. Probably GNAT does not do that (whether 
that is a bug or a feature is not for me to say).

                                    Randy.