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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Kernel Threads
Unlike a user space application, a driver doesn't have a main thread that is always running while the driver is active. Instead, a driver typically executes on existing threads in response to certain events. For example, when a user space process makes a control request through the driver's user client, the driver executes within the context of the calling thread owned by the user process. Similarly, when a driver's hardware generates an interrupt, the driver's secondary interrupt handler is executed from the work loop thread. Because a driver executes in response to such events, if a driver isn't handling an event, such as a control request or an interrupt handler, it will typically have no code executing on any thread in the ...
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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.