An atomic read-modify-write that replaces a location only if its current value matches an expected value. An update based on an old version can retry after a failed compare-and-swap instead of blindly overwriting a competing writer's change.

Ancestors (8)

  1. Atomic read-modify-write
  2. Atomic operation
  3. Synchronization (computing)
  4. Thread (computing)
  5. Process (computing)
  6. Operating system
  7. Computer science
  8. Home

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