The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 05, 2002
Filed:
May. 14, 1999
Applicant:
Inventors:
Adi Ofer, Somerville, MA (US);
Tuvia Leneman, Newton, MA (US);
Natan Vishlitzky, Brookline, MA (US);
Assignee:
EMC Corporation, Hopkinton, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/200 ; G06F 1/322 ;
U.S. Cl.
CPC ...
G06F 1/200 ; G06F 1/322 ;
Abstract
A queued lock prioritizes access to a shared resource in a distributed system. Each unsuccessful requestor adaptively delays its next poll for the lock by a period determined as a function of its priority in the lock request queue and the average duration of a significant processor operation involving the resource.