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ichmagmaus 812
59 lines
1.5 KiB
Swift
59 lines
1.5 KiB
Swift
//// A copy of Atomic from SwiftSignalKit
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//import Foundation
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//
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//public enum AtomicWrapperLockError: Error {
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// case isLocked
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//}
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//
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//public final class AtomicWrapper<T> {
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// private var lock: pthread_mutex_t
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// private var value: T
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//
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// public init(value: T) {
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// self.lock = pthread_mutex_t()
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// self.value = value
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//
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// pthread_mutex_init(&self.lock, nil)
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// }
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//
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// deinit {
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// pthread_mutex_destroy(&self.lock)
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// }
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//
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// public func with<R>(_ f: (T) -> R) -> R {
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// pthread_mutex_lock(&self.lock)
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// let result = f(self.value)
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// pthread_mutex_unlock(&self.lock)
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//
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// return result
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// }
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//
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// public func tryWith<R>(_ f: (T) -> R) throws -> R {
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// if pthread_mutex_trylock(&self.lock) == 0 {
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// let result = f(self.value)
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// pthread_mutex_unlock(&self.lock)
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// return result
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// } else {
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// throw AtomicWrapperLockError.isLocked
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// }
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// }
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//
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// public func modify(_ f: (T) -> T) -> T {
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// pthread_mutex_lock(&self.lock)
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// let result = f(self.value)
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// self.value = result
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// pthread_mutex_unlock(&self.lock)
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//
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// return result
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// }
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//
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// public func swap(_ value: T) -> T {
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// pthread_mutex_lock(&self.lock)
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// let previous = self.value
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// self.value = value
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// pthread_mutex_unlock(&self.lock)
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//
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// return previous
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// }
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//}
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