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Method and system for managing lock contention in a computer system

  • US 6,845,504 B2
  • Filed: 02/08/2001
  • Issued: 01/18/2005
  • Est. Priority Date: 02/08/2001
  • Status: Active Grant
First Claim
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1. A lock contention management method, comprising:

  • determining whether a code module has failed to acquire access to a lock to keep other code modules from accessing a resource;

    allowing a higher-priority code module to access the lock first by changing from an original priority of the code module to a lower priority if the code module should continually request access to the lock, and allowing the code module to continue to request access at the lower priority if it is determined that there are no other code modules waiting to run; and

    restoring the code module to its original priority after the code module either obtains the lock or is forced to sleep after some fixed period of time.

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