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. 22, 2006
Filed:
Sep. 07, 2001
Applicants:
Hiroyuki Machida, Kanagawa, JP;
Takao Shinohara, Kanagawa, JP;
Inventors:
Hiroyuki Machida, Kanagawa, JP;
Takao Shinohara, Kanagawa, JP;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 9/46 (2006.01); G06F 13/28 (2006.01); G06F 13/24 (2006.01); G06F 13/36 (2006.01); G06F 11/00 (2006.01); G11C 29/00 (2006.01); G06F 9/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
In the present invention, a computer in which a plurality of programs are executed under a management of an Operation System having a memory management mechanism includes a unit for ensuring atomicity of a first user process without requiring a dedicated CPU instruction. The unit for ensuring atomicity includes a unit for detecting an interrupt by a second user process, a unit for canceling the first user process by utilizing a memory protection function possessed by said Operating System, and a unit for executing an operation of the first user process again.