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3950cac085
* New LICENSE-COMMERCIAL file * Apply dual licenses: AGPL + Element Commercial to file headers * Update README with dual licensing
45 lines
1.2 KiB
Swift
45 lines
1.2 KiB
Swift
//
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// Copyright 2023, 2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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// Please see LICENSE files in the repository root for full details.
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//
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import Foundation
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enum ExpiringTaskRunnerError: Error {
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case timeout
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}
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actor ExpiringTaskRunner<T> {
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private var continuation: CheckedContinuation<T, Error>?
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private var task: () async throws -> T
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init(_ task: @escaping () async throws -> T) {
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self.task = task
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}
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func run(timeout: Duration) async throws -> T {
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try await withCheckedThrowingContinuation {
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continuation = $0
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Task {
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try? await Task.sleep(for: timeout)
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continuation?.resume(with: .failure(ExpiringTaskRunnerError.timeout))
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continuation = nil
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}
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Task {
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do {
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let result = try await task()
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continuation?.resume(with: .success(result))
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} catch {
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continuation?.resume(with: .failure(error))
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}
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continuation = nil
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}
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}
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}
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}
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