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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Summary
- Every computer that runs Mac OS X has the ability to be placed in a low power mode known as “sleep”. While in sleep mode, most hardware components are either powered down completely or are provided with only a reduced current.
- A device driver can register and respond to requests from the power management system to prepare its hardware for a loss of power before sleep and to restore the state of its hardware when the system is woken from sleep.
- The I/O Kit's power management API is implemented by the
IOServicebase class. This makes it possible for every driver to provide support for power management. - A driver may opt to lower the power state of its device independently of whether the computer is in the sleep mode. This can be useful ...
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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.