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18 lines
387 B
Swift
18 lines
387 B
Swift
/*
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Copyright (C) 2015 Apple Inc. All Rights Reserved.
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See LICENSE.txt for this sample’s licensing information
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Abstract:
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An extension to NSLock to simplify executing critical code.
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*/
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import Foundation
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extension NSLock {
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func withCriticalScope<T>(block: () -> T) -> T {
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lock()
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let value = block()
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unlock()
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return value
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}
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}
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