diff --git a/Doc/library/asyncio-eventloop.rst b/Doc/library/asyncio-eventloop.rst index 4f0f8c06fee787..a0f19dfb7af5fa 100644 --- a/Doc/library/asyncio-eventloop.rst +++ b/Doc/library/asyncio-eventloop.rst @@ -1206,7 +1206,13 @@ Executing code in thread or process pools pool, cpu_bound) print('custom process pool', result) - asyncio.run(main()) + if __name__ == '__main__': + asyncio.run(main()) + + Note that the entry point guard (``if __name__ == '__main__'``) + is required for option 3 due to the peculiarities of :mod:`multiprocessing`, + which is used by :class:`~concurrent.futures.ProcessPoolExecutor`. + See :ref:`Safe importing of main module `. This method returns a :class:`asyncio.Future` object. diff --git a/Doc/library/multiprocessing.rst b/Doc/library/multiprocessing.rst index 2a66b0f65c0882..61c5c6d76c794e 100644 --- a/Doc/library/multiprocessing.rst +++ b/Doc/library/multiprocessing.rst @@ -2943,6 +2943,8 @@ Global variables However, global variables which are just module level constants cause no problems. +.. _multiprocessing-safe-main-import: + Safe importing of main module Make sure that the main module can be safely imported by a new Python pFad - Phonifier reborn

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