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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The Info.plist File
The Macintosh platform has always supported a plug-and-play design for devices, which requires no configuration after installing the driver. Mac OS X, with the help of the I/O Kit, is no exception. Unlike the kernel extension that we developed in the previous chapter, which loads as soon as it is added to the system, a driver is loaded only when one of the devices that it supports is connected to the computer. In this way, even though there may be hundreds of drivers installed on a system, only those that correspond to hardware that is actually connected to the computer will be loaded and taking up memory.
In Chapter 3, we saw that a kernel extension requires a property list file to define such things as its entry points. ...
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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.