March 2002
Intermediate to advanced
432 pages
9h
English
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What Does Real-Time Mean?
If you ask engineers what real-time means, you'll get a number of different answers, filled with terms such as guarantees, hard, soft, deterministic, preemptive, priority inversion, latency, interrupts, and scheduling. Rick Lehrbaum of linuxdevices.com posed that question to seven experts.3 These experts somewhat agreed that a hard real-time system guarantees a deterministic response to an event and that a late response is considered a system failure. They also somewhat agreed that soft real-time systems attempt to minimize event response time and don't consider late responses a system failure. The experts' opinions diverged when addressing real-time implementation and system performance characterization.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.