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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Modifying Driver Properties
Once an application has located the driver object that it is interested in, it can interact with the driver and the hardware device that it controls. The I/O Kit framework provides two ways to interact with a driver from user space. One method requires the application to open a connection to the driver and then to use that connection to send control requests to the driver and receive status. A connection-based approach is necessary if the driver needs to maintain the state of a client or needs access control to ensure that only one client at a time can access the hardware device. This is discussed later in this chapter.
Another method, which is far simpler, is to allow an application to read and write key/value property ...
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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.