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Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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Filing date
Publication date
Application filed by Fujitsu LtdfiledCriticalFujitsu Ltd
Priority to JP16842287ApriorityCriticalpatent/JPS6412347A/en
Publication of JPS6412347ApublicationCriticalpatent/JPS6412347A/en
PURPOSE:To shorten a time required for copying, by providing a trace instruction area in every data, and wetting the content of the trace instruction area at a trace unnecessary state after the data is not pointed by another data. CONSTITUTION:In every data, the trace instruction area 20 representing the necessity/unnecessity of the data is provided. A copy control part 15 decides the state of the trace instruction area 20 being set at the state where tracing is necessary or unnecessary, and prevents the copying of unrequired data being not pointed from any other data from being performed.
JP16842287A1987-07-061987-07-06System for controlling copy in real time garbage collection
PendingJPS6412347A
(en)