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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Object Relationship
As we have seen, there are two important classes for an I/O Kit driver, one being the superclass that the main driver class inherits from and the other being the provider class that the driver uses to access its hardware. This design means that the functionality that the driver implements is separate from the way in which the driver's hardware device connects to the computer. For example, a driver that supports a PCI sound card and a driver that supports a USB audio output device will both inherit from the same IOAudioDevice superclass, and the operating system will interface to both drivers by making the same calls to each driver. After all, the operating system's audio subsystem shouldn't need to care how an audio output ...
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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.