зеркало из https://github.com/github/SoftU2F.git
22 строки
328 B
Swift
22 строки
328 B
Swift
//
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// Mutex.swift
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// SoftU2F
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//
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// Created by Benjamin P Toews on 3/12/18.
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// Copyright © 2018 GitHub. All rights reserved.
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//
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import Foundation
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class Mutex {
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private var semaphore = DispatchSemaphore(value: 1)
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func lock() {
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semaphore.wait()
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}
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func unlock() {
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semaphore.signal()
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}
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}
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