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othiym23/algo.md

Created August 15, 2014 22:28
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stale locking v3
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algo.md
  1. acquire $lock, fail
  2. stat $lock, find that it is stale
  3. acquire $lock.STALE
  4. stat $lock, assert that it is still stale
  5. unlink $lock
  6. link $lock.STALE $lock
  7. unlink $lock.STALE
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