Add async version of NIOThreadPool.runIfActive #2566
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Lukasa
requested changes
Oct 23, 2023
Sources/NIOPosix/NIOThreadPool.swift
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| @@ -292,6 +292,48 @@ extension NIOThreadPool { | |||
| } | |||
| } | |||
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| @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *) | |||
| extension NIOThreadPool { | |||
| #if swift(>=5.7) | |||
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We no longer support older versions of Swift than 5.7, so we can drop this conditional compilation step.
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ok, I've removed the older version
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Lukasa
reviewed
Oct 24, 2023
Sources/NIOPosix/NIOThreadPool.swift
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| try await self._runIfActive(body) | ||
| } | ||
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| private func _runIfActive<T>(_ body: @escaping () throws -> T) async throws -> T { |
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I don't think we need this inner function now, and so we can avoid dropping the @Sendable annotation here.
Sources/NIOPosix/NIOThreadPool.swift
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| /// - parameters: | ||
| /// - body: The closure which performs some blocking work to be done on the thread pool. | ||
| /// - returns: result of the passed closure. | ||
| @preconcurrency |
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We can drop preconcurrency, this method doesn't predate concurrency.
Sources/NIOPosix/NIOThreadPool.swift
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| /// - body: The closure which performs some blocking work to be done on the thread pool. | ||
| /// - returns: result of the passed closure. | ||
| @preconcurrency | ||
| public func runIfActive<T>(_ body: @escaping @Sendable () throws -> T) async throws -> T { |
Remove no longer supported code Add tests for errors being thrown, and the thread pool not being active
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Add async version of NIOThreadPool.runIfActive
Motivation:
Currently when using NIOThreadPool in a Swift concurrency context you still need an EventLoop and the call will make two hops, one to the EventLoop and then one back to your Task.
Modifications:
Added
NIOThreadPool.runIfActive(_) async throwsResult:
You don't need an EventLoop to use
NIOThreadPoolThis is the first stage of completing #2565