General locking/synchronization facility with canonical states a

Details General locking/synchronization facility with canonical states a General locking/synchronization facility with canonical states a

1984-06-29

1987-11-24

Harkcom, Gary V.

Boots, shoes, and leggings

G06F 1314

Patent

active

047093269

ABSTRACT:
The transition table size and table-driven locking facilities if reduced by decomposing lock states into canonical states and canonical-actual maps, mapping actual processors to canonical processors, looking up a transition in a table which contains a new canonical state, notify bits and a canonical-canonical map, permuting the canonical-actual map using the canonical-canonical map, and permuting the notify bits using the original canonical-actual map.

REFERENCES:
patent: 4037214 (1977-07-01), Birney
patent: 4245306 (1981-01-01), Besemer
patent: 4249241 (1981-02-01), Aberle
patent: 4408273 (1983-10-01), Plow
patent: 4480304 (1984-10-01), Carr

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