From: Alfred Hilscher <Alfred.Hilscher@icn.siemens.de>
Subject: Re: GNAT: pragma Ravenscar
Date: 1999/12/02
Date: 1999-12-02T00:00:00+00:00 [thread overview]
Message-ID: <3846714C.8D7B941@icn.siemens.de> (raw)
In-Reply-To: 877liy2u7d.fsf@deneb.cygnus.argh.org
I remember the announcement of GNAT 3.12 for WinNT (by Robert Dewar),
and there the pramgma was mentioned. Thats why I think it would be
available in this version. But as I found no detailed explanation in the
documentation I'm not sure whether it is an what it does.
Florian Weimer wrote:
> The Ravenscar restrictions permit the use of a simplified run time
> environment.
>
> The GNAT reference manual says the following (for Resticted_Run_Time,
> pragma Ravenscar is similar):
>
> | This set of restrictions causes the automatic selection of a
> | simplified version of the run time that provides improved
> | performance for the limited set of tasking functionality permitted
> | by this set of restrictions.
>
> But GNAT 3.12p doesn't enforce the restrictions, and the standard run
> time library is always used. Some time ago, I browsed the compiler
> sources, and IIRC I found nothing which looks like a handler for these
> pragmas, so I think they are a no-op in the public version.
next prev parent reply other threads:[~1999-12-02 0:00 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-11-30 0:00 GNAT: pragma Ravenscar Alfred Hilscher
1999-11-30 0:00 ` Florian Weimer
1999-12-01 0:00 ` Jean-Marc Bourguet
1999-12-01 0:00 ` Florian Weimer
1999-12-02 0:00 ` Florian Weimer
1999-12-02 0:00 ` Robert Dewar
1999-12-03 0:00 ` Dan Baysinger
1999-12-03 0:00 ` Alfred Hilscher
1999-12-02 0:00 ` Alfred Hilscher [this message]
1999-12-01 0:00 ` Robert Dewar
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