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FAST PATH FOR GRACE-PERIOD DETECTION FOR READ-COPY UPDATE SYSTEM

  • US 20090077080A1
  • Filed: 09/13/2007
  • Published: 03/19/2009
  • Est. Priority Date: 09/13/2007
  • Status: Active Grant
First Claim
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1. A method for fast path detection by an updater of a grace period for deferring the destruction of a shared data element by said updater until pre-existing references to said shared data element are removed, comprising checking for the presence of readers that are accessing said shared data element without using locks to exclude other updaters, terminating grace period detection to initiate deferred destruction of said data element if there are no readers accessing said shared data element, and if there are readers accessing said shared data element, implementing a lock and checking again for the presence of said readers.

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