From: "Grein, Christoph" <christoph.grein@eurocopter.com>
Subject: Re: new_line in a put_line
Date: Wed, 4 Dec 2002 11:03:38 +0100 (MET)
Date: 2002-12-04T11:03:38+01:00 [thread overview]
Message-ID: <mailman.1038996662.30153.comp.lang.ada@ada.eu.org> (raw)
> > procedure Put_Line (Text : String) is
> > Get_It : Lock (Write_Mutex'Access);
> > begin
> > Ada.Text_IO.Put_Line (Text);
> > end Put_Line;
>
> Something inside me rebels at using side-effects from a declaration
> like that. I can't really talk; my database library unlocks objects
> as they go out of scope, but ... well, I know that code gets executed
> in declarations, but I don't necessarily want to be this aware of it.
>
> On the other hand, it's just a monitor, I shouldn't be so scared :)
This is exactly the kind of use limited controlled types are destined for.
There is a paragraph in the AARM stating that such a (seemingly unused) object
(Get_It) must not be optimized away.
For unlimited controlled types, this does not hold, i.e. they may be optimized
away.
next reply other threads:[~2002-12-04 10:03 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-04 10:03 Grein, Christoph [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-12-05 6:28 new_line in a put_line Grein, Christoph
2002-12-05 14:19 ` Stephen Leake
2002-12-05 6:16 Grein, Christoph
2002-12-05 9:44 ` Dmitry A. Kazakov
2002-12-03 11:52 Grein, Christoph
2002-12-04 9:39 ` Fraser Wilson
2002-12-02 5:36 Vlad
2002-12-02 9:47 ` Preben Randhol
2002-12-02 17:04 ` Frank J. Lhota
2002-12-05 11:10 ` Preben Randhol
2002-12-02 10:14 ` Dmitry A. Kazakov
2002-12-02 14:57 ` Matthew Heaney
2002-12-03 11:33 ` Fraser Wilson
2002-12-03 15:01 ` Dmitry A. Kazakov
2002-12-04 9:31 ` Fraser Wilson
2002-12-04 14:10 ` Dmitry A. Kazakov
2002-12-04 15:23 ` Robert A Duff
2002-12-04 16:15 ` Dmitry A. Kazakov
2002-12-04 18:11 ` tmoran
2002-12-04 20:21 ` Simon Wright
2002-12-05 9:36 ` Dmitry A. Kazakov
2002-12-05 22:40 ` tmoran
2002-12-04 15:25 ` Stephen Leake
2002-12-04 16:55 ` Jeffrey Carter
2002-12-04 17:24 ` Stephen Leake
2002-12-04 17:43 ` Warren W. Gay VE3WWG
2002-12-05 1:31 ` Jeffrey Carter
2002-12-05 18:11 ` Warren W. Gay VE3WWG
2002-12-02 15:49 ` Robert A Duff
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