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Import System package when available (#34)

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* Import System package when available

* Add isResourceTemporarilyUnavailable helper method to reduce number of imports of System / SystemPackage
This commit is contained in:
Mattt 2025-03-31 05:30:45 -07:00 • committed by GitHub
commit d55140bc46
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1 changed files with 42 additions and 9 deletions
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11
Sources/MCP/Base/Transports.swift
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@ -1,9 +1,14 @@
import Darwin
import Logging
import SystemPackage
import struct Foundation.Data
#if canImport(System)
import System
#else
@preconcurrency import SystemPackage
#endif
/// Protocol defining the transport layer for MCP communication
public protocol Transport: Actor {
var logger: Logger { get }
@ -107,7 +112,7 @@ public actor StdioTransport: Transport {
messageContinuation.yield(message)
}
}
} catch let error as Errno where error == .resourceTemporarilyUnavailable {
} catch let error where Error.isResourceTemporarilyUnavailable(error) {
try? await Task.sleep(nanoseconds: 10_000_000) // 10ms backoff
continue
} catch {
@ -147,7 +152,7 @@ public actor StdioTransport: Transport {
if written > 0 {
remaining = remaining.dropFirst(written)
}
} catch let error as Errno where error == .resourceTemporarilyUnavailable {
} catch let error where Error.isResourceTemporarilyUnavailable(error) {
try await Task.sleep(nanoseconds: 10_000_000) // 10ms backoff
continue
} catch {