This book addresses three different topics: Embedded Systems, Real-Time Systems, and Open Source Operating Systems. Even if every single topic can well represent the argument of a whole book, they are normally intermixed in practical applications. This is in particular true for the first two topics: very often industrial or automotive applications, implemented as embedded systems, must provide timely responses in order to perform the required operation. Further, in general, real-time requirements typically refer to applications that are expected to react to the events of some kind of controlled process.

Often in the literature, real-time embedded systems are presented and analyzed in terms of abstract concepts such as tasks, ...

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