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orca/config/scripts
NeilandOrca db3a301ef7 fix(daemon): confirm emptiness before it authorizes a kill
Readiness review, sections 02/03/05/06 — no P0 or P1 in any of them. These are
the P2s worth taking.

The important one: on macOS a terminal contributes exactly one session leader,
the login wrapper, because the shell it forks is in the same session and shows
S+ rather than Ss. I had assumed the shell counted too. It does not — so a
wrapper that looks childless in a single snapshot makes its whole terminal
invisible, and that snapshot cannot tell a wrapper whose shell has gone from
one whose shell has not yet appeared. Emptiness is the answer that authorizes a
kill, so it now costs a second read; 'owns-live-ptys' still needs none. The
fixtures said Ss where a real shell says S+, which is why the tests never
noticed.

Also from that review: a fabricated row was cast to ProcessTableRow to reuse a
command-only predicate, which is sound only while that predicate reads nothing
else — narrowed to Pick<'command'> so the compiler keeps it honest. The
pty:signal listener relied on its provider staying async to convert a routing
refusal into a rejection; it is an ipcMain.on listener with nothing above it, so
it now catches synchronously too. And the repro's teardown signalled remembered
pids a minute after phase 1 waited for them to die — re-verify by tag first,
since signalling a recycled pid is the mistake the script exists to study.

Co-authored-by: Orca <help@stably.ai>
2026-08-11 23:56:06 -07:00
..
2026-05-15 05:44:25 -04:00