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Verifying atomic data types

  • Jeannette M. Wing
Technical Contributions
Part of the Lecture Notes in Computer Science book series (LNCS, volume 430)

Abstract

Atomic transactions are a widely-accepted technique for organizing computation in fault-tolerant distributed systems. In most languages and systems based on transactions, atomicity is implemented through atomic objects, typed data objects that provide their own synchronization and recovery. Hence, atomicity is the key correctness condition required of a data type implementation. This paper presents a technique for verifying the correctness of implementations of atomic data types. The novel aspect of this technique is the extension of Hoare's abstraction function to map to a set of sequences of abstract operations, not just to a single abstract value. We give an example of a proof for an atomic queue implemented in a real programming language, Avalon/C++.

Keywords

Atomicity program verification fault-tolerance transactions distributed systems abstract data types 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1990

Authors and Affiliations

  • Jeannette M. Wing
    • 1
  1. 1.School of Computer ScienceCarnegie Melion UniversityPittsburghUSA

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