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| author | bquinlan <brian@sweetapp.com> | 2013-10-25 17:49:55 (GMT) |
|---|---|---|
| committer | bquinlan <brian@sweetapp.com> | 2013-10-25 17:49:55 (GMT) |
| commit | 7749cb5c359eca595f4d4981ed98cdbe054f3586 (patch) | |
| tree | 2da2ad1e2492e40694f4b9bbea0d51d0acf84536 /Doc | |
| parent | ffd33c290b11e8c5e19be6063a07da3deed73e46 (diff) | |
| download | cpython-7749cb5c359eca595f4d4981ed98cdbe054f3586.zip cpython-7749cb5c359eca595f4d4981ed98cdbe054f3586.tar.gz cpython-7749cb5c359eca595f4d4981ed98cdbe054f3586.tar.bz2 | |
Issue #11161: Update the documentation for ProcessPoolExecutor to note that it will not work in the interactive shell.
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/library/concurrent.futures.rst | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Doc/library/concurrent.futures.rst b/Doc/library/concurrent.futures.rst index c2f92b3..93538e4 100644 --- a/Doc/library/concurrent.futures.rst +++ b/Doc/library/concurrent.futures.rst @@ -164,6 +164,9 @@ uses a pool of processes to execute calls asynchronously. allows it to side-step the :term:`Global Interpreter Lock` but also means that only picklable objects can be executed and returned. +The ``__main__`` module must be importable by worker subprocesses. This means +that :class:`ProcessPoolExecutor` will not work in the interactive interpreter. + Calling :class:`Executor` or :class:`Future` methods from a callable submitted to a :class:`ProcessPoolExecutor` will result in deadlock. |