From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rick Hohensee Message-Id: <200107202152.RAA04992@smarty.smart.net> Subject: Re: [9fans] commercial deployment To: 9fans@cse.psu.edu In-Reply-To: from "Ozan Yigit" at Jul 20, 2001 04:47:32 PM MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Date: Fri, 20 Jul 2001 17:52:59 -0400 Topicbox-Message-UUID: d23a92fc-eac9-11e9-9e20-41e7f4b1d025 > > well, to be fair, there exists a number of "real-time" extensions to linux > with variable levels of usefullness. i looked at about four of them [one > of them with a patent and a ton of apologists :/] and i figure none of them > will make it to OS proper (bazaar? ahahahaha). also none of them, so far as > i can see would satisfy "hard" real time needs which was the reason for my > looksee. (eg. pre-run-time scheduling with constraints) so i can see why it What are "pre-run-time scheduling with constraints" and how does rtlinux fail there? It sounds like it's pretty hard realtime to me. I was looking at the IRQ stuff in Linux 1.2.13 though, and I don't see why there just isn't a _RT_interrupt . Rick Hohensee www.clienux.com