2008•Journal of Tianjin University of Technology and EducationRequires access

An improved mechanism for process synchronization and mutual exclusion

Luo Mei

Abstract

The method of realizing a common type of processs′ mutual exclusion by using standard semaphore is given.An improved mechanism-tagged semaphore-is introduced based on the analysis of standard sema-phores′ shortcomings.Tagged semaphore’s design,definition and application in realizing processs′ synchroni-zation and mutual exclusion are discussed in detail.The examples show that tagged semaphore is more efficient than standard semaphore.

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Key concepts: Semaphore, Mutual exclusion, Computer science, Synchronization (alternating current), Mechanism (biology), Process (computing), Distributed computing, Computer network