[3.12] gh-108520: Fix bad fork detection in nested multiprocessing use case (GH-108568)#108691

Yhg1s merged 1 commit into

python:3.12python/cpython:3.12from

miss-islington:backport-add8d45-3.12miss-islington/cpython:backport-add8d45-3.12Copy head branch name to clipboard