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Semaphore

A Semaphore can be:

Semaphore (communication), a flag signalling system
Semaphore (programming), invented by Edsger Dijkstra for computer science, where only one part of a multitasking system may access a limited resource.

This is a disambiguation page; that is, one that just points to other pages that might otherwise have the same name. If you followed a link here, you might want to go back and fix that link to point to the appropriate specific page.

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