37 lines
870 B
Swift
37 lines
870 B
Swift
import Foundation
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import Libbox
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import NetworkExtension
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func runBlocking<T>(_ block: @escaping () async -> T) -> T {
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let semaphore = DispatchSemaphore(value: 0)
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let box = resultBox<T>()
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Task.detached {
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let value = await block()
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box.result0 = value
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semaphore.signal()
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}
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semaphore.wait()
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return box.result0
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}
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func runBlocking<T>(_ tBlock: @escaping () async throws -> T) throws -> T {
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let semaphore = DispatchSemaphore(value: 0)
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let box = resultBox<T>()
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Task.detached {
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do {
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let value = try await tBlock()
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box.result = .success(value)
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} catch {
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box.result = .failure(error)
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}
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semaphore.signal()
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}
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semaphore.wait()
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return try box.result.get()
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}
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private class resultBox<T> {
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var result: Result<T, Error>!
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var result0: T!
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}
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