Process synchronization utilizing semaphores
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United States of America Patent
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Jul 26, 1983
Issued Date -
N/A
app pub date -
Apr 14, 1981
filing date -
Nov 30, 1973
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An information structure called a semaphore serves as a signalling mechanism in process synchronization. The semaphore is used to relate a process and an event which do not appear simultaneously. In accomplishing this, the semaphore is capable of storing the presence of events or resources waiting for processes or, alternatively, the presence of processes waiting for events or resources via a queue.
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