From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: requeue with abort and timed call
Date: Mon, 5 Jan 2009 10:30:27 +0100
Date: 2009-01-05T10:30:29+01:00 [thread overview]
Message-ID: <r8lsnbykeonu$.1q023a2jh4kbk.dlg@40tude.net> (raw)
In-Reply-To: Fxe8l.455437$TT4.171236@attbi_s22
On Mon, 05 Jan 2009 02:48:05 GMT, Jeffrey R. Carter wrote:
> Dmitry A. Kazakov wrote:
>>
>> No, it is perfectly legal to use Put_Line in protected actions *with* GNAT.
>>
>> GNAT implementation explicitly permits this use. So Jeffrey's comment was
>> irrelevant here.
>
> No, the use of Ada.Text_IO.Put_Line in a protected action is a bounded error
> with *all* compilers, GNAT included. A bounded error is an error, therefore this
> use is an error for all compilers.
There is an easy way out. They could say that GNAT's Ada.Text_IO.Put_Line
is not potentially blocking.
> What happens in the case of a bounded error is compiler dependent. GNAT 6.1.1
> gives me a warning if I use a delay statement in a protected operation, but
> otherwise allows it. Another compiler might choose to raise Program_Error at run
> time.
Here they are in violation. Since they detected a delay statement within a
protected action, they should have raised Protected_Error.
--
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de
next prev parent reply other threads:[~2009-01-05 9:30 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-28 13:24 requeue with abort and timed call ishikawa
2008-12-28 14:30 ` Dmitry A. Kazakov
2008-12-28 15:53 ` christoph.grein
2008-12-28 16:09 ` christoph.grein
2008-12-28 17:46 ` ishikawa
2008-12-29 10:23 ` christoph.grein
2008-12-29 10:55 ` Dmitry A. Kazakov
2008-12-29 11:17 ` christoph.grein
2008-12-29 12:27 ` Dmitry A. Kazakov
2008-12-28 17:16 ` Dmitry A. Kazakov
2008-12-28 21:42 ` Robert A Duff
2008-12-29 10:42 ` Jean-Pierre Rosen
2008-12-29 21:05 ` sjw
2008-12-30 9:25 ` Jean-Pierre Rosen
2008-12-30 13:18 ` christoph.grein
2008-12-30 15:39 ` Jean-Pierre Rosen
2008-12-30 17:01 ` christoph.grein
2008-12-30 17:16 ` ishikawa
2008-12-30 15:54 ` ishikawa
2008-12-30 21:33 ` sjw
2008-12-30 22:52 ` Robert A Duff
2008-12-31 9:21 ` Jean-Pierre Rosen
2008-12-31 15:39 ` christoph.grein
2008-12-31 16:14 ` Jean-Pierre Rosen
2009-01-03 16:49 ` ishikawa
2009-01-03 21:09 ` Jeffrey R. Carter
2009-01-04 15:40 ` christoph.grein
2009-01-04 17:09 ` Jeffrey R. Carter
2009-01-04 18:03 ` ishikawa
2009-01-04 18:56 ` Dmitry A. Kazakov
2009-01-04 23:17 ` belteshazzar
2009-01-05 9:12 ` Dmitry A. Kazakov
2009-01-05 2:48 ` Jeffrey R. Carter
2009-01-05 9:30 ` Dmitry A. Kazakov [this message]
2009-01-05 20:28 ` Jeffrey R. Carter
2009-01-05 20:47 ` Dmitry A. Kazakov
2009-01-06 2:35 ` Jeffrey R. Carter
2009-01-05 10:17 ` Jean-Pierre Rosen
2008-12-28 15:53 ` sjw
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