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 4
The I/O Kit Framework
Device drivers for Mac OS X are written using a framework known as the I/O Kit. The I/O Kit consists of header files and libraries that provide the services required by drivers, as well as header files and libraries that are used by user space code to locate a kernel driver and interact with it. There are two main parts of the I/O Kit:
- Kernel.framework
- IOKit.framework
Although it is slightly counterintuitive, the I/O Kit framework is designed for user space applications and not for developing I/O Kit drivers in the kernel. Instead, the Kernel framework contains the header files used for kernel space driver development. If you examine the contents of the Kernel framework, you will see that it contains ...
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