JD Retail Technology
Dec 27, 2021 · Mobile Development
Understanding the Underlying Implementation of @synchronized in iOS
This article explains how the @synchronized directive works in iOS as a recursive mutex, demonstrates its usage with code examples, and delves into the low‑level implementation involving objc_sync_enter, objc_sync_exit, id2data, and the associated caching mechanisms.
SynchronizationiOSmobile development
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