Date: Sun, 1 Apr 2001 10:36:04 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
X-Sender: eliz AT is
To: Eduardo TUDA Lorenzetti Pellini <dochell AT MailAndNews DOT com>
cc: djgpp AT delorie DOT com
Subject: RE: Real time commitment and IRQ 0
In-Reply-To: <3AC9D258@MailAndNews.com>
Message-ID: <Pine.SUN.3.91.1010401103545.15706K-100000@is>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Reply-To: djgpp AT delorie DOT com
Errors-To: nobody AT delorie DOT com
X-Mailing-List: djgpp AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com
Precedence: bulk


On Sat, 31 Mar 2001, Eduardo TUDA Lorenzetti Pellini wrote:

> >DOS is indeed not an ideal RTOS, but please note that 50-usec timing
> >is something you will most probably have problem with on any OS,
> >including QNX and RTLinux.
> 
> My friend, these are the words i was looking for !!!
> Until now, I didn't find any good comment about these RTOSes concerning 
> their 
> timing resolutions. I didn't know, for example, if RTLinux can have a task 
> running at exacts 50usec with no problem...

I don't know that, either: maybe it can, maybe it can't.  But it
certainly isn't easy to get a predictable 50-usec timing from any
system.