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Operating Systems: Concurrent and Distributed Software Design
book

Operating Systems: Concurrent and Distributed Software Design

by Jean Bacon, Tim Harris
March 2003
Intermediate to advanced content levelIntermediate to advanced
912 pages
27h 17m
English
Pearson Business
Content preview from Operating Systems: Concurrent and Distributed Software Design

19.1. Introduction

In Chapter 9 we defined an atomic operation on data in main memory. In Chapter 15 we extended the definition of atomicity for a single operation on data in persistent memory, and showed how to make such an operation crash-resilient. In this chapter we extend the discussion to composite operations on persistent data. From Chapter 15, a single operation on persistent data is atomic if:

  • When it terminates normally all its externally visible effects are made permanent (this is the property of durability), else it has no effect at all.

  • If the operation accesses a shared data object, its invocation does not interfere with other operation invocations on the same data object. We shall extend this concept into the property of isolation. ...

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Publisher Resources

ISBN: 0321117891Purchase book