mirror of
https://github.com/JohnEstropia/CoreStore.git
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98 lines
3.1 KiB
Swift
98 lines
3.1 KiB
Swift
//
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// DispatchQueue+CoreStore.swift
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// CoreStore
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//
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// Copyright © 2018 John Rommel Estropia
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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import Foundation
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// MARK: - DispatchQueue
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extension DispatchQueue {
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@nonobjc @inline(__always)
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internal static func serial(_ label: String, qos: DispatchQoS = .default) -> DispatchQueue {
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return DispatchQueue(
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label: label,
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qos: qos,
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attributes: [],
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autoreleaseFrequency: .inherit,
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target: nil
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)
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}
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@nonobjc @inline(__always)
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internal static func concurrent(_ label: String, qos: DispatchQoS = .default) -> DispatchQueue {
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return DispatchQueue(
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label: label,
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qos: qos,
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attributes: .concurrent,
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autoreleaseFrequency: .inherit,
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target: nil
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)
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}
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@nonobjc
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internal func cs_isCurrentExecutionContext() -> Bool {
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enum Static {
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static let specificKey = DispatchSpecificKey<ObjectIdentifier>()
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}
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let specific = ObjectIdentifier(self)
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self.setSpecific(key: Static.specificKey, value: specific)
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return DispatchQueue.getSpecific(key: Static.specificKey) == specific
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}
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@nonobjc @inline(__always)
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internal func cs_sync<T>(_ closure: () throws -> T) rethrows -> T {
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return try self.sync { try autoreleasepool(invoking: closure) }
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}
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@nonobjc @inline(__always)
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internal func cs_async(_ closure: @escaping () -> Void) {
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self.async { autoreleasepool(invoking: closure) }
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}
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@nonobjc @inline(__always)
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internal func cs_barrierSync<T>(_ closure: () throws -> T) rethrows -> T {
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return try self.sync(flags: .barrier) { try autoreleasepool(invoking: closure) }
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}
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@nonobjc @inline(__always)
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internal func cs_barrierAsync(_ closure: @escaping () -> Void) {
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self.async(flags: .barrier) { autoreleasepool(invoking: closure) }
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}
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// MARK: Private
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}
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