seniorSwift

How do you handle race conditions in Swift concurrency without using locks?

Updated May 17, 2026

Short answer

Race conditions are handled using actors and structured concurrency instead of locks.

Deep explanation

Actors serialize access to mutable state, eliminating the need for mutexes. Swift concurrency enforces data isolation at compile time. This reduces deadlocks and improves correctness. Structured tasks ensure safe cancellation and lifecycle management.

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