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:
May. 27, 1997
Filed:
Feb. 24, 1994
Takatsugu Sasaki, Kawasaki, JP;
Akira Kabemoto, Kawasaki, JP;
Hirohide Sugahara, Kawasaki, JP;
Hajime Takahashi, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An exclusive control system is provided in a system having a memory module and a plurality of processing modules sharing the memory module, each of the plurality of processing modules exclusively accessing the memory module while prohibiting other processing modules from accessing the memory module. The exclusive control system includes a determination unit for determining whether or not a process executed in response to an access request from a processor module among the plurality of processing modules is normally completed in the memory module, and a retry unit for, when the determination unit determines that the process executed in response to the access request is not normally completed, retrying the process while maintaining a state in which other processing modules are prohibited from accessing the memory module.