35 lines
1.2 KiB
Markdown
35 lines
1.2 KiB
Markdown
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---
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model: gpt-5.6-sol
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service: opencode
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timestamp: 2026-08-28T04:51:19Z
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git_ref: fb6d81d3
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diff_cmd: git diff HEAD~1..HEAD
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---
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# Raw output - detect child death before parent handshake
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The human asked to continue WireGuard Layer C after child entrypoints
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learned to consume inherited network namespace capabilities.
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## Generated code
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> `git diff HEAD~1..HEAD -- tractor/spawn/_spawn.py tractor/spawn/_trio.py tests/test_spawning.py`
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Race a spawned child's initial parent handshake against its process
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wait operation. Return the established channel when the handshake wins;
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raise `ActorFailure` with the exit status when the process dies first.
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Use the race in the Trio exec backend instead of waiting indefinitely
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on `IPCServer.wait_for_peer()`.
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Add deterministic Trio tests for handshake-first, death-first,
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simultaneous, and waiter-error schedules, controlling readiness with
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events rather than sleeps. Exercise the full Trio backend with a fake
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dead process to prove pre-publication event registration and exact
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failed-startup cleanup.
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## Scope boundary
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This prerequisite prevents pre-connection namespace-entry failures
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from hanging their parent. Namespace FD transfer itself remains the
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next commit.
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