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asyncio doc: list limitations to run subprocesses from different threads

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Victor Stinner 2015-01-09 01:32:02 +01:00
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Doc/library/asyncio-subprocess.rst
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@ -297,6 +297,25 @@ Process
``N`` (Unix only).
.. _asyncio-subprocess-threads:
Subprocess and threads
======================
asyncio supports running subprocesses from different threads, but there
are limits:
* An event loop must run in the main thread
* The child watcher must be instantiated in the main thread, before executing
subprocesses from other threads. Call the :func:`get_child_watcher`
function in the main thread to instantiate the child watcher.
.. seealso::
The :ref:`Concurrency and multithreading in asyncio
<asyncio-multithreading>` section.
Subprocess examples
===================