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From: lutz@iks-jena.de (Lutz Donnerhacke)
Subject: Re: How to avoid unreferenced objects (mutexes etc)
Date: Fri, 11 Jan 2002 13:52:25 +0000 (UTC)
Date: 2002-01-11T13:52:25+00:00	[thread overview]
Message-ID: <slrna3trgl.kg.lutz@taranis.iks-jena.de> (raw)
In-Reply-To: 3c3ee8c8.105408250@News.CIS.DFN.DE

* Dmitry A. Kazakov wrote:
>The problem is that the object Temp is never referenced.
>The compiler complains of that, but it is a minor problem.

You can use a compiler specific pragma to supress this warning.

>The questions are
> 1. Has the compiler right to optimize out Temp?

No. There are initialisation and finalization actions which has to be taken.
Other example "t : task_access := new task_type;" is also often "unused".

> 2. Is there a better solution?

That's a wonderful canoncical pattern.



  reply	other threads:[~2002-01-11 13:52 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-01-11 13:48 How to avoid unreferenced objects (mutexes etc) Dmitry A. Kazakov
2002-01-11 13:52 ` Lutz Donnerhacke [this message]
2002-01-11 14:47 ` Robert A Duff
2002-01-11 18:02 ` Jeffrey Carter
2002-01-11 19:40 ` Robert Dewar
2002-01-12 10:18   ` Martin Dowie
2002-01-14  8:54   ` Dmitry A. Kazakov
2002-01-12  1:11 ` Nick Roberts
2002-01-12 22:04   ` Matthew Heaney
2002-01-13  5:45     ` Nick Roberts
2002-01-13  8:21       ` tmoran
2002-01-13 16:12         ` Nick Roberts
2002-01-13 15:08       ` Simon Wright
2002-01-15 17:53         ` Nick Roberts
2002-01-13 16:51       ` Jeffrey Carter
2002-01-14 23:32       ` Matthew Heaney
2002-01-15  8:53         ` Dmitry A. Kazakov
2002-01-14  8:31     ` Jean-Pierre Rosen
2002-01-14  9:42   ` Dmitry A. Kazakov
2002-01-15 15:41     ` Matthew Heaney
2002-01-15 16:18       ` Hyman Rosen
2002-01-15 16:57       ` Darren New
2002-01-15 18:57         ` Matthew Heaney
2002-01-16  0:57           ` Darren New
2002-01-16 16:35             ` Stephen Leake
2002-01-16 18:07               ` Darren New
2002-01-16 23:18                 ` Matthew Heaney
2002-01-16 23:04             ` Matthew Heaney
2002-01-17  0:21               ` Darren New
2002-01-16 15:18       ` Dmitry A. Kazakov
2002-01-15 18:59     ` Nick Roberts
2002-01-16 15:05       ` Dmitry A. Kazakov
2002-01-16 18:30         ` Matthew Heaney
2002-01-17  8:58           ` Dmitry A. Kazakov
2002-01-17  9:19             ` Lutz Donnerhacke
2002-01-17 10:42               ` Dmitry A. Kazakov
2002-01-17 10:55                 ` Lutz Donnerhacke
2002-01-17 15:30                   ` Dmitry A. Kazakov
2002-01-17 16:29                     ` Lutz Donnerhacke
2002-01-16 20:28         ` Robert A Duff
2002-01-17 19:05         ` Nick Roberts
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