June 12, 2020

Article published on June 12, 2020

Simple sorting of iOS locks
What is iOS lock? In computer science, lock or mutex (mutex) is a synchronization mechanism that is used to forcibly restrict access to resources in an environment with many execution threads. Locks are designed to enforce mutually exclusive concurrency control policies. Speaking of people is to avoid unexpected things when accessing a resource (variable, file, etc.) in multiple threads at the same time. Just like

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