Fix test output streaming on Windows #9191
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owenv
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bripeticca,
cmcgee1024,
daveyc123,
dschaefer2,
jakepetroules,
plemarquand,
rconnell9 and
shawnhyam
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jakepetroules
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Sep 26, 2025
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dschaefer2
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This is fine, it's all non-blocking through Dispatch. |
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@swift-ci please test windows |
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| while !Task.isCancelled { | ||
| let chunk = try await readChunk(upToLength: 4096) | ||
| if chunk.isEmpty { | ||
| return nil |
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Should this be a continuation (e.g. cont.finish() here)? I'm not sure what the implications are of returning nil are for clients of this stream.
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returning nil here is intended to terminate the stream, this initializer doesn't use a continuation
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The AsyncProcess implementation on Windows was effectively buffering all output until process exit. Vendor over some utilities from Swift Build to stream the output, and attempt to avoid the bug addressed in #8047 (review)