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Specification and Implementation of Mutual Exclusion

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2 Author(s)
P. B. Hansen ; Department of Computer Science, University of Southern California ; J. Staunstrup

This paper presents a constructive approach to the problem of specifying, implementing, and verifying operations that will give concurrent processes exclusive access to a resource. The method eliminates the need for auxiliary variables and establishes the correctness of a whole class of solutions to the same problem. The solutions are derived directly from the specifications using a language construct called guarded regions. Several new solutions to well-known exclusion problems are presented.

Published in:

IEEE Transactions on Software Engineering  (Volume:SE-4 ,  Issue: 5 )