Gregory P. Smith c649df63e0 gh-104372: Cleanup _posixsubprocess make_inheritable for async signal safety and no GIL requirement (#104518) ...

Move all of the Python C API calls into the parent process up front
instead of doing PyLong_AsLong and PyErr_Occurred and PyTuple_GET from
the post-fork/vfork child process.

Much of this was long overdue. We shouldn't have been using PyTuple and
PyLong APIs within all of these low level functions anyways.

2023-05-17 08:59:45 -07:00

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