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GPIO character device & libgpiod
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Classroom Contents
Plan to Throw One Away - Pitfalls of API Design for Low-level Libraries and Kernel Interfaces
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- 1 Intro
- 2 GPIO character device & libgpiod
- 3 Types of compatibility
- 4 Add reserved space to your exposed structures
- 5 Make all data structures exposed in library headers opaque
- 6 Lesson #3 Make sure your exposed structures work on 32 and 64-bit architectures
- 7 Some surprising details can break the ABI
- 8 Don't try to keep the user-space data model same as the one in the kernel
