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From: =?utf-8?Q?Yannick_Duch=C3=AAne_=28Hibou57?=
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Newsgroups: comp.lang.ada
Subject: Re: Press Release - Ada 2012 Language Standard Approved by ISO
Date: Fri, 11 Jan 2013 12:35:31 +0100
Organization: Ada @ Home
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Date: 2013-01-11T12:35:31+01:00
List-Id: <comp.lang.ada>

Le Thu, 27 Dec 2012 19:48:50 +0100, Jeffrey Carter  =

<spam.jrcarter.not@spam.not.acm.org> a =C3=A9crit:

> On 12/27/2012 08:30 AM, Dmitry A. Kazakov wrote:
>>
>>
>> And a nice race condition coming with that! Never use File_Exists if =
you
>> can.
>
> Precisely. Multiple processes may access the file system at the same  =

> time. The idea that you can check the precondition to an operation and=
  =

> have the result still hold when you invoke the operation is only valid=
  =

> for sequential activities;

I disagree a bit, and this case may suggest to use locks.


-- =

=E2=80=9CSyntactic sugar causes cancer of the semi-colons.=E2=80=9D [1]
=E2=80=9CStructured Programming supports the law of the excluded muddle.=
=E2=80=9D [1]
[1]: Epigrams on Programming =E2=80=94 Alan J. =E2=80=94 P. Yale Univers=
ity