SemaphoreLock public final class SemaphoreLock : LockingProtocol DispatchSemaphore包装锁 init() Undocumented Declaration Swift public init() lock() Declaration Swift public func lock() unlock() Declaration Swift public func unlock() © 2025 Wu Yong. All rights reserved. (Last updated: 2025-03-08) Generated by jazzy ♪♫ v0.15.3, a Realm project.