From: Martin Krischik <krischik@users.sourceforge.net>
Subject: Re: Is the Ada run-time required to detect out-of-memory conditions?
Date: Sat, 22 May 2004 16:09:30 +0200
Date: 2004-05-22T16:09:30+02:00 [thread overview]
Message-ID: <1851484.7OLjQvVx1o@linux1.krischik.com> (raw)
In-Reply-To: mailman.8.1085233246.401.comp.lang.ada@ada-france.org
Duncan Sands wrote:
>> I'm very new to Ada, but I'm impressed of all the features. In parallel
>> I'm developing a little library to make C programming easier. In this
>> library I malloc'ed some "emergency memory" at the program start which
>> is simply freed when the process gets out of memory. Then the error
>> handler can at least raise an exception or print some warning.
>
> This will not work on some operating systems (such as linux). They don't
> actually allocate the memory until you access it (in particular this means
> that malloc never fails).
But malloc () will write its bookkeeping before each allocation. So if you
allocate less then a pagesize every page is used at least once.
With Regards
Martin
--
mailto://krischik@users.sourceforge.net
http://www.ada.krischik.com
prev parent reply other threads:[~2004-05-22 14:09 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-20 22:54 Is the Ada run-time required to detect out-of-memory conditions? Ludovic Brenta
2004-05-21 0:44 ` Georg Bauhaus
2004-05-21 0:47 ` Stephen Leake
2004-05-21 0:54 ` Georg Bauhaus
2004-05-21 1:00 ` Stephen Leake
2004-05-21 3:29 ` Robert I. Eachus
2004-05-21 8:04 ` Vinzent 'Gadget' Hoefler
2004-05-21 9:34 ` Martin Krischik
2004-05-21 11:13 ` Wojtek Narczynski
2004-05-21 12:55 ` Martin Krischik
2004-05-21 16:00 ` Robert I. Eachus
2004-05-21 17:13 ` Ludovic Brenta
2004-05-21 23:41 ` Wojtek Narczynski
2004-05-23 8:20 ` Martin Krischik
2004-05-21 19:58 ` Randy Brukardt
2004-05-21 16:56 ` Mark H Johnson
2004-05-21 17:19 ` Ludovic Brenta
2004-05-21 21:39 ` user
2004-05-21 22:04 ` Ludovic Brenta
2004-05-21 22:11 ` Ludovic Brenta
2004-05-22 11:40 ` Simon Wright
2004-05-25 20:43 ` Is the Ada run-time required to detect out-of-memory Robert I. Eachus
2004-05-25 20:58 ` Duncan Sands
2004-05-25 21:19 ` Ludovic Brenta
2004-05-25 21:31 ` Duncan Sands
2004-05-26 7:09 ` Martin Krischik
2004-05-26 7:38 ` Duncan Sands
2004-05-26 8:16 ` Martin Krischik
2004-05-26 8:34 ` Duncan Sands
2004-05-26 16:20 ` Martin Krischik
2004-05-22 13:40 ` Is the Ada run-time required to detect out-of-memory conditions? Duncan Sands
2004-05-22 14:09 ` Martin Krischik [this message]
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