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.

Date of Patent:
Sep. 08, 2015

Filed:

Nov. 22, 2011
Applicants:

Xuesong Dong, Pleasonton, CA (US);

Hongtao Yin, Fremont, CA (US);

Shihui HU, Beijing, CN;

Fengkai LI, Beijing, CN;

Inventors:

Xuesong Dong, Pleasonton, CA (US);

Hongtao Yin, Fremont, CA (US);

Randall Stewart, Chapin, SC (US);

Shihui Hu, Beijing, CN;

Fengkai Li, Beijing, CN;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 9/54 (2006.01); G06F 9/52 (2006.01); G06F 9/48 (2006.01);
U.S. Cl.
CPC ...
G06F 9/545 (2013.01); G06F 9/526 (2013.01); G06F 9/4881 (2013.01); G06F 9/52 (2013.01);
Abstract

An apparatus comprising one or more processors configured to implement a plurality of operations for an operating system (OS) platform including a kernel and a user application, one or more shared resource blocks by the kernel and the user application, and one or more shared locks by the kernel and the user application corresponding to the shared resource blocks, wherein the user application is configured to synchronize accesses to the shared resource blocks between a user thread and a kernel thread by directly accessing the locks without using a system call to the kernel.


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