Light update notification mechanism for shared data structures

Details Light update notification mechanism for shared data structures Light update notification mechanism for shared data structures

1991-10-03

1993-09-21

Shaw, Gareth D.

Boots, shoes, and leggings

364962, 3649621, 3649692, 3649694, 364DIG2, G06F 1540

Patent

active

052476847

ABSTRACT:
A system for updating and reading a data base utilizes a pair of counters rking in conjunction with registers located within RAM to enable one upon reading the data base to know if a data base record has been added, deleted, or revised. The system also notifies if the data base is being updated on attempting a read process or during the reading. The updating is performed by a writer that is never inhibited from updating the data base.

REFERENCES:
patent: 4441163 (1984-04-01), Leikam et al.
patent: 5151988 (1992-09-01), Yamagishi

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