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Everything about Double-checked locking

Software design pattern

In software engineering, double-checked locking is a software design pattern used to reduce the overhead of acquiring a lock by testing the locking criterion before acquiring the lock. Locking occurs only if the locking criterion check indicates that locking is required. Wikipedia →

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  1. Read the overview: Double-checked lockingA 5-minute orientation
  2. Pick up a classic book: Winsor McCayThe most-reprinted book on the subject
  3. Go sideways: Singleton patternA closely related topic
  4. Go sideways: Initialization-on-demand holder idiomA closely related topic

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