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os / Synchronization

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Overview
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Synchronization

Access low-level synchronization mechanisms to control state across threads.

Overview

note:

When possible, use higher-level synchronization primitives such as pthread, Grand Central Dispatch, or Swift’s concurrency features to control access to state across different threads. For more information, see Updating an app to use strict concurrency.

Topics

Swift Wrappers

OSAllocatedUnfairLock
OSAllocatedUnfairLockFlags

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osAPI Collection

Overview
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Built on 2026-11-01 · Snapshot snapshot-20261101 (macOS 27.0.1) · Commit 864a336 · by @g-cqd · based on Apple Developer Documentation