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Computer-implemented system and method for lock handling

  • US 20050114609A1
  • Filed: 11/26/2003
  • Published: 05/26/2005
  • Est. Priority Date: 11/26/2003
  • Status: Active Grant
First Claim
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1. A computer-implemented shared locking data store for handling multiple executable entities'"'"' access to at least one resource, said shared locking data store being stored in a computer memory, said shared locking data store comprising:

  • write requested data that is indicative of when a write request for the resource has been made;

    writer active data that is indicative of whether a writer process is actively undergoing a write operation with respect to the resource;

    wait event posted data, wherein the wait event posted data is indicative of whether a read request to the resource has completed, wherein the wait event posted data may be used to indicate when a write request can access the resource;

    reader data that is indicative of whether a reader process is active and attempting to read from the resource;

    wherein the shared locking data store allows writer and reader locking state information to be determined so that access to the resource may be handled.

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