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Date:      Tue, 17 Feb 2009 17:16:23 +0100
From:      Gary Jennejohn <gary.jennejohn@freenet.de>
To:        yawstick <yawstick@charter.net>
Cc:        freebsd-ports@freebsd.org
Subject:   Re: emc2 on freebsd
Message-ID:  <20090217171623.67e29505@ernst.jennejohn.org>
In-Reply-To: <499A4905.1080905@charter.net>
References:  <499A4905.1080905@charter.net>

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On Tue, 17 Feb 2009 00:20:05 -0500
yawstick <yawstick@charter.net> wrote:

> curious if anyone could comment of the practicality of porting emc2 to 
> freebsd
> emc2 is a cnc machine control package     http://www.linuxcnc.org/ 
> the preferred operating system for this package is ubuntu with a real 
> time kernel
> not sure what a real time kernel is but curious if there is something 
> similar on freebsd
> 

Real time means guaranteed response times for handling e.g. interrupts.
FreeBSD is not real time, although with a very fast CPU it may be
adequate.

Linux is also not real time out-of-the-box.  Patches (RTAI for one) are
needed to get real time behavior.

---
Gary Jennejohn



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