test_multiprocessing_spawn: Popen.terminate() failed with PermissionError: [WinError 5] Access is denied

[vstinner]

subprocess.terminate() catchs PermissionError: we can reuse their code. I'm working on a fix.

GHA Windows x86:

ERROR: tearDownClass (test.test_multiprocessing_spawn.test_manager.WithManagerTestPool)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "D:\a\cpython\cpython\Lib\test\_test_multiprocessing.py", line 2483, in tearDownClass
    super().tearDownClass()
  File "D:\a\cpython\cpython\Lib\test\_test_multiprocessing.py", line 6131, in tearDownClass
    cls.manager.shutdown()
  File "D:\a\cpython\cpython\Lib\multiprocessing\util.py", line 220, in __call__
    res = self._callback(*self._args, **self._kwargs)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\a\cpython\cpython\Lib\multiprocessing\managers.py", line 683, in _finalize_manager
    process.terminate()
  File "D:\a\cpython\cpython\Lib\multiprocessing\process.py", line 133, in terminate
    self._popen.terminate()
  File "D:\a\cpython\cpython\Lib\multiprocessing\popen_spawn_win32.py", line 124, in terminate
    _winapi.TerminateProcess(int(self._handle), TERMINATE)
PermissionError: [WinError 5] Access is denied

build: https://github.com/python/cpython/actions/runs/6340922718/job/17223431499?pr=110026

Linked PRs

• gh-110036: multiprocessing Popen.terminate() catches PermissionError #110037
• [3.12] gh-110036: multiprocessing Popen.terminate() catches PermissionError (GH-110037) #110064
• [3.11] gh-110036: multiprocessing Popen.terminate() catches PermissionError (GH-110037) #110065