Patents by Inventor Frank Cullen Sherwin

Frank Cullen Sherwin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Locking contention resolution for shared resources
    Patent number: 5940828
    Abstract: Two methods for resolving locking contention for pseudo-deadlocked transactions without rolling back or aborting any of the deadlocked transactions are provided. In one method, one or more shared lock requests from deadlocked transactions are granted ahead of at least one exclusive lock request from a deadlocked transaction. In another method, all shared lock requests from deadlocked transactions are granted ahead of all exclusive lock requests from deadlocked transactions.
    Type: Grant
    Filed: November 18, 1997
    Date of Patent: August 17, 1999
    Assignee: International Business Machines Corporation
    Inventors: Jaime F. Anaya, John A. Kistler, Frank Cullen Sherwin, Jay A. Yothers