From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: A simple question about the "new" allocator
Date: Tue, 12 Aug 2014 09:35:11 +0200
Date: 2014-08-12T09:35:11+02:00 [thread overview]
Message-ID: <q8dnwsh5glsw.1f88qzc525z4r$.dlg@40tude.net> (raw)
In-Reply-To: d4137ad0-148a-4cf9-a6d8-c36e60ae7c9f@googlegroups.com
On Mon, 11 Aug 2014 23:54:50 -0700 (PDT), NiGHTS wrote:
> With all default configurations using a typical Ada compiler, will the following code run indefinitely without fail or will it eventually crash?
>
> procedure main is
>
> Test : access Positive;
>
> begin
>
> loop
> Test := new Positive;
> end loop;
>
> end main;
>
> If this does crash, what would be another way to write this program so
> that it does not crash?
>
> I would prefer not to use Ada.Unchecked_Deallocation.
Write a custom memory pool that does not allocate anything. Make Test a
pointer to that pool.
P.S. It might sound silly, but such pools are actually useful. When the
object is already allocated and you want to initialize it and get a pointer
to, one way to do that is using a fake allocator.
--
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de
next prev parent reply other threads:[~2014-08-12 7:35 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-12 6:54 A simple question about the "new" allocator NiGHTS
2014-08-12 7:35 ` Dmitry A. Kazakov [this message]
2014-08-12 13:38 ` G.B.
2014-08-12 10:29 ` sbelmont700
2014-08-12 18:49 ` Shark8
2014-08-12 19:10 ` Adam Beneschan
2014-08-12 21:53 ` Niklas Holsti
2014-08-12 22:34 ` Adam Beneschan
2014-08-12 23:14 ` sbelmont700
2014-08-12 23:41 ` Adam Beneschan
2014-08-13 7:36 ` Dmitry A. Kazakov
2014-08-13 15:04 ` Adam Beneschan
2014-08-13 20:32 ` Niklas Holsti
2014-08-12 15:10 ` Adam Beneschan
2014-08-12 16:07 ` Jeffrey Carter
2014-08-12 19:58 ` Robert A Duff
2014-08-12 17:51 ` NiGHTS
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox