December 2011
Intermediate to advanced
485 pages
15h 47m
English
Content preview from OS X and iOS Kernel ProgrammingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Behind the Scenes
Having spent the initial chapters of this book describing the architecture of Mac OS X, and in particular stating that a modern operating system only allows hardware to be directly accessed from the kernel, you are probably wondering how this is consistent with a chapter describing user-space drivers.
Internally, user-space drivers do indeed require a kernel driver, but this is provided by the same IOUSBDevice and IOUSBInterface objects that would be used to interact with the USB device had the developer chosen to write a kernel driver for the hardware. To make these objects available to user-space applications, the IOUSBFamily publishes a user client for each instance of IOUSBDevice and IOUSBInterface that is created in the ...
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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.