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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Beyond KEXT Resources
The resource loading functions discussed in the previous section are designed for a specific purpose. The I/O Kit functions provide a driver with read-only access to the contents of a file within its Resources directory. However, there are many situations where it is useful for a driver to access a file outside of its bundle and to write to a file on disk. For example, a driver that provides persistent settings will need some way to read those settings from a file on disk. It will also need a way to write those settings to disk.
Although the I/O Kit contains no functions that provide such functionality to a driver, its implementation of the resource loading functions provides us with a hint of how we might add such functionality ...
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