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:
Aug. 05, 2014
Filed:
Jan. 30, 2007
Applicants:
Douglas V. Larson, Santa Clara, CA (US);
Marcia E. Mcconnell, Los Altos Hills, CA (US);
Inventors:
Douglas V. Larson, Santa Clara, CA (US);
Marcia E. McConnell, Los Altos Hills, CA (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An embodiment of the invention provides an apparatus and method for controlling access by a read-write spinlock with no mutual exclusion among readers. The apparatus and method perform the steps of using values in a data structure in the read-write spinlock to control read access to a shared object and using values in the data structure and a guard lock to control write access to the shared object.