process: fix finalization cleanup ref removal#64087
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Finalization cleanup used the ref index as part of the splice delete count. When a collected ref was not the first entry, cleanup could remove additional live refs from the internal list. Remove exactly the collected ref when it is present, so later live refs remain registered and still run their callbacks on process exit. Signed-off-by: Kamat, Trivikram <16024985+trivikr@users.noreply.github.com> Assisted-by: openai:gpt-5.5
Renegade334
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Jun 23, 2026
| ArrayPrototypeSplice(refs[event], index, index + 1); | ||
| uninstall(event); | ||
| if (index !== -1) { | ||
| ArrayPrototypeSplice(refs[event], index, 1); |
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If we're effectively using these arrays as Sets, would it make more sense just to implement them as such?
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Fixes: #64086
When a registered object is garbage-collected, the cleanup path removes its
WeakReffrom the internal refs arrays. That path passedindex + 1as thesecond argument to
splice(), butsplice()expects a delete count, not an endindex. If the collected ref was not at index
0, cleanup could also removelater refs that were still live.
This updates cleanup to remove exactly one matching ref, and only when the ref
is present. A regression fixture registers three refs, lets the middle one be
collected, and verifies that the first and third live refs still run their
callbacks on process exit.
Assisted-by: openai:gpt-5.5