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From: Tucker Taft <stt@averstar.com>
Subject: Re: Ada 95 based RTOS
Date: 2000/02/18
Message-ID: <38ADCA44.3B91BF6F@averstar.com>#1/1
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xaplos@my-deja.com wrote:
> 
> I am aware of several commercial products integrating Ada with C/C++
> based RTOS, but is there any open-source RTOS that is completely written
> with the Ada programming language - from the hardware-specific kernel
> all the way to the GUI.

RTEMS is an RTOS written in Ada, though I don't believe it contains
a GUI (I don't usually associate GUI's with RTOS's, though I guess
that is changing...).  I'm not certain whether RTEMS is open source.
It is available integrated with GNAT.

There are also Ada run-times that are written entirely in Ada from
several of the Ada vendors (e.g. Aonix, DDC-I, Rational, Green Hills
GNAT, etc.).  (NOTE: Some of these are subset Ada run-times designed for
safety-critical systems.)

An Ada run-time system is effectively a special purpose RTOS.  Many
vendors make the source code for their Ada run-time system available
to licensees of their compiler, though it may be an extra cost item.

> 
> I appologize for posting twice: this message and one to a non-related
> thread [Ada95-Compiler Recommendation for Win32].
> 
> -
> 
> Sent via Deja.com http://www.deja.com/
> Before you buy.

-- 
-Tucker Taft   stt@averstar.com   http://www.averstar.com/~stt/
Technical Director, Distributed IT Solutions  (www.averstar.com/tools)
AverStar (formerly Intermetrics, Inc.)   Burlington, MA  USA