Extended semaphore operations
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Hodgson, S. ;Dunstan, N. ;Fris, I.
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Article
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2000
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John Wiley and Sons
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English
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Extended semaphores systems such as in UNIX System V are a powerful extension of Dijkstra's semaphores. They allow efficient solutions to a number of classic synchronization problems. UNIX semaphore operations appear to be insufficiently well defined, in particular when a semaphore is repeated in an