December 2011
Intermediate to advanced
485 pages
15h 47m
English
Content preview from OS X and iOS Kernel Programming
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C H A P T E R 10
Power Management
Power management has become a fundamental feature across all computing devices. Every platform that runs Mac OS X can be put into a lower power mode, and so power management is just as important for a desktop computer that is always connected to a power supply as it is for a laptop or an iPhone that is running from a battery.
Even a Mac Pro, for example, can be placed into “sleep” mode, which puts the computer and its connected peripherals into a low power mode. During sleep mode, the CPU is put into a suspended state, the computer's display is powered off, and the hard drive is spun down. If the computer has PCI expansion slots, these will be powered down during sleep, with only a small amount of auxiliary ...
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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.
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