[3.13] gh-126631: gh-137996: fix pre-loading of __main__
(GH-135295)
#138609
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gh-126631: gh-137996: fix pre-loading of
__main__
The
main_path
parameter was renamedinit_main_from_name
, update the forkserver code accordingly. This was leading to slower startup times when people were trying to preload the main module.(cherry picked from commit 0912b3a)