fix(update): retire exited pinned-start children before cleanup - #4185
fix(update): retire exited pinned-start children before cleanup#4185luvs01 wants to merge 2 commits into
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ChangesPinned-start child lifecycle
Estimated code review effort: 3 (Moderate) | ~20 minutes Sequence Diagram(s)sequenceDiagram
participant RestartLogic
participant PinnedStartChild
participant Proxy
RestartLogic->>PinnedStartChild: Spawn pinned-start child
PinnedStartChild-->>RestartLogic: Report exit event or remain live
RestartLogic->>Proxy: Kill tracked live child before retry or after timeout
Proxy-->>RestartLogic: Report liveness for cleanup
Suggested reviewers: Merge Risk: ⚪ Minimal · up to Pinned-start retries now avoid acting on exited children whose numeric PIDs may be reused, while still cleaning up hung children and preserving healthy starts. The covered cleanup paths have no remaining concrete merge-blocking risk. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
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Inline comments:
In `@tests/update/update-job.test.ts`:
- Around line 60-65: Update the UpdateJobState fixture in the
pinned-child-cleanup test to include the required releaseNotesUrl field, and
change the updateJobPath invocation to match its no-argument signature instead
of passing job.id.
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src/update/job.tstests/update/update-job.test.ts
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리뷰 · 우선순위 64 / 80이 PR은 업데이트 후 「핀드 스타트」 재시도에서, 이미 끝난 자식 프로세스의 숫자 PID를 그대로 들고 있다가 나중에 죽이려다 생기는 실수를 막습니다. 지금 고치는 방법은 두 겹입니다. 첫째, 지금 라인 1324 근처 경로 경로 메인테이너의 판단이 필요한 지점
너의 추천 이 댓글은 grok-bot이 작성했습니다 |
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Read the complete three-file diff at f0d2862. The observed-exit cleanup boundary is appropriately narrow: exited child fields avoid the liveness/kill path, the exit listener retires only the same child object, and live failed attempts are still cleaned up. The retry-loop tests cover late exit with a reused numeric PID and a healthy final child; they do not claim an OS-level atomic guarantee for unobserved PID reuse.
The Windows source test already points to the behavioral cleanup suite, so the bot's request for that explanatory link is satisfied in this head. Production spawn/port-reclaim defaults remain intact; no Windows/Bun workaround was removed. I see metadata checks but no completed exact-head upstream product/typecheck run in the current rollup, so this remains a useful candidate pending that evidence rather than a merge approval. No local process-spawning test or updater command was run.
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Summary
When a pinned post-update start exits without becoming healthy, retry cleanup currently retains its numeric PID. If that PID has been reused, the later liveness check can target an unrelated process. This change skips cleanup after the retained child's exit code or signal is recorded and retires the reference on its exit event.
Both retry cleanup and final timeout cleanup share the check. A late exit event is tied to the exact child object, so it cannot retire a newer child even if they have the same numeric PID. Live hung children are still cleaned up, and successful health probes leave the current child running.
The scope is cleanup based on an observed child exit. This does not make process signalling atomic against every OS PID-reuse race or change other port-reclamation paths.
Verification
f0d28625c31102c5c109c62194034e31948a6e39, based ondev f94dd88f12a1a9aeb355aa9b2d7166ef5b002ac9.bun test tests/update/update-job.test.ts tests/windows/windows-deploy-close-regressions.test.ts: 69 passed, 0 failed, 270 assertions on Windows with Bun 1.4.2. Seven new cases also cover same-PID late events, live-child cleanup and successful health. Existing best-effort ACL-timeout warnings appeared in the suite; no ACL behavior was changed or inferred as verified from the test result.bun run typecheckandbun run privacy:scanpassed on the unchanged runtime implementation;git diff --checkpassed after the test-only follow-up. Independent source review found no runtime blocker. The valid automated finding about the new fixture's required field and helper arguments was fixed. Standard typecheck covers src only, so its success did not validate that fixture.34445457252, prior head1751fe5d2620dac52791bb77b10adde83c7a7c15) exposed an obsolete source assertion that required the old PID-only cleanup expression. Linux 1/4 and macOS 2/2 logs identify that exact failure. The test-only follow-up removes that assertion while the new behavior tests verify both cleanup sites; it does not ignore or retry the failing assertion unchanged.34446425840: 26/26 jobs passed, bound tof0d28625c31102c5c109c62194034e31948a6e39. The checklist CI attestation refers to this completed matrix; the focused results above are listed separately.Checklist
Review readiness checklist
Readiness base check: 1 commit behind current dev
12c248f52bed88ea13be5b284c79a238feb592d1; within the repository allowance of ten.