Author:Allen B. Downey

About The Book

The Little Book of Semaphores is a textbook that introduces the principles of synchronization for concurrent programming. In most computer science curricula, synchronization is a module in an Operating Systems class. OS textbooks present a standard set of problems with a standard set of solutions, but most students don't get a good understanding of the material or the ability to solve similar problems.

The approach of this book is to identify patterns that are useful for a variety of synchronization problems and then show how they can be assembled into solutions. After each problem, the book offers a hint before showing a solution, giving students a better chance of discovering solutions on their own.

The book covers the classical problems, including "Readers-writers," "Producer-consumer", and "Dining Philosophers." In addition, it collects a number of not-so-classical problems, some written by the author and some by other teachers and textbook writers.

Book Contents

  • Introduction
  • Semaphores
  • Basic synchronization patterns
  • Classical synchronization problems
  • Less classical synchronization problems
  • Not-so-classical problems
  • Not remotely classical problems
  • Synchronization in Python
  • Synchronization in C

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