24 lines
499 B
Swift
24 lines
499 B
Swift
//
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// Lock.swift
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// RxSwift
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//
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// Created by Krunoslav Zaher on 3/31/15.
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// Copyright © 2015 Krunoslav Zaher. All rights reserved.
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//
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protocol Lock {
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func lock()
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func unlock()
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}
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// https://lists.swift.org/pipermail/swift-dev/Week-of-Mon-20151214/000321.html
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typealias SpinLock = RecursiveLock
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extension RecursiveLock : Lock {
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@inline(__always)
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final func performLocked<T>(_ action: () -> T) -> T {
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self.lock(); defer { self.unlock() }
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return action()
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}
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}
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