Electrical computers and digital data processing systems: input/ – Access locking
Reexamination Certificate
2006-06-27
2006-06-27
Perveen, Rehana (Department: 2111)
Electrical computers and digital data processing systems: input/
Access locking
Reexamination Certificate
active
07069366
ABSTRACT:
A system and method handle resource transaction requests. The system marks a waiting transaction request, having an access mode which is incompatible with the access mode of the executing transaction, with an ignore bit, so that a transaction request with an access mode compatible with the access mode of the executing transaction may receive a lock in order to access the resource. The transaction request is then marked with a bypass indicator such that when the executing transactions are finished accessing the resource, the waiting transaction request may be notified that it may have access to the resource. The system includes the ignore bit so that each transaction request that arrives after the ignore bit has been set, does not suffer from a long waiting time before being provided access to the resource.
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Flasza Miroslaw A.
Goss Jeffrey J.
Huras Matthew A.
McArthur Catherine S.
Meadowcroft Lorysa M.
Daley Christopher
Kassatly Samuel A.
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