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:
Apr. 05, 2022

Filed:

Jun. 24, 2019
Applicant:

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

Inventors:

Simon Weishaupt, Stuttgart, DE;

Bernd Nerz, Boeblingen, DE;

Wolfgang Fischer, Hildrizhausen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/52 (2006.01); G06F 9/46 (2006.01);
U.S. Cl.
CPC ...
G06F 9/526 (2013.01); G06F 9/468 (2013.01);
Abstract

An approach for providing exclusive access to a resource shared by a plurality of processes in a computer system. The approach includes a computer processor retrieving a process identifier for a first process attempting to access the resource, where the process identifier is uniquely assigned to each process of the plurality of processes requiring the resource with the computer system. The approach includes the computer processor using the process identifier for the first process and a mutual exclusion object that includes a lock position allowing exclusive access to the resource and a wait position for a next process to attain the lock position to provide exclusive access to the resource.


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