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.:

US 9760411 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 12, 2017

Filed:

Oct. 25, 2016
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Rui Bo Han, Beijing, CN;

Wei Liu, Beijing, CN;

Xue Fu Sha, Nanjing, CN;

Bin Sun, Beijing, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/30 (2006.01); G06F 9/52 (2006.01);
U.S. Cl.
CPC ...
G06F 9/526 (2013.01); G06F 17/30362 (2013.01);
Abstract

A mechanism is provided for switching a locking mode of an object in a multi-thread program. The mechanism acquires, during execution of the program, access information related to accesses to the object by a plurality of threads. The object supports a single-level locking mode and a multi-level locking mode. The single-level locking mode is a mode capable of locking the object. The multi-level locking mode is a mode capable of locking the object and fields in the object respectively. The mechanism switches the locking mode of the object between the single-level locking mode and the multi-level locking mode based on the access information.


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