Teknium c8e4dcf412 fix: prevent duplicate completion notifications on process kill (#7124) ...

When kill_process() sends SIGTERM, both it and the reader thread race
to call _move_to_finished() — kill_process sets exit_code=-15 and
enqueues a notification, then the reader thread's process.wait()
returns with exit_code=143 (128+SIGTERM) and enqueues a second one.

Fix: make _move_to_finished() idempotent by tracking whether the
session was actually removed from _running. The second call sees it
was already moved and skips the completion_queue.put().

Adds regression test: test_move_to_finished_idempotent_no_duplicate

2026-04-10 03:52:16 -07:00

41 KiB

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