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Mastering Embedded Linux Programming by Chris Simmonds

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Chapter 14. Real-time Programming

Much of the interaction between a computer system and the real world happens in real-time and so this is an important topic for developers of embedded systems. I have touched on real-time programming in several places so far: in Chapter 10, Learning About Processes and Threads, I looked at scheduling policies and priority inversion, and in Chapter 11, Managing Memory, I described the problems with page faults and the need for memory locking. Now, it is time to bring these topics together and look at real-time programming in some depth.

In this chapter, I will begin with a discussion about the characteristics of real-time systems and then consider the implications for system design, both at the application and kernel ...

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