Mutual exclusion control apparatus for mutual exclusion control

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395479, 395490, 364DIG1, 364DIG2, 3642468, G06F 1214, G06F 1300

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active

056236719

ABSTRACT:
A mutual exclusion control is performed with dynamically, allocated lock variables. A lock request circuit issues a lock acquisition request or an unlock request. A lock identifying information holding circuit holds an identifying information related to a currently valid lock. A lock identifying information comparing circuit judges whether or not a lock identifying information from the lock request circuit is included in the lock identifying information holding circuit. A lock identifying information updating circuit updates the lock identifying information holding circuit on the basis of the request from the lock request circuit.

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