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| author | Victor Stinner <victor.stinner@gmail.com> | 2015-01-09 00:32:02 (GMT) |
|---|---|---|
| committer | Victor Stinner <victor.stinner@gmail.com> | 2015-01-09 00:32:02 (GMT) |
| commit | 399c59d7bd5caeacfd98338d69400f83f15987db (patch) | |
| tree | f343a824649412c6e840b639414b6ea4b2d061ca /Doc/library/asyncio-subprocess.rst | |
| parent | 15cc678d8971f5ee1a7ea5e88bcd22413601f033 (diff) | |
| download | cpython-399c59d7bd5caeacfd98338d69400f83f15987db.zip cpython-399c59d7bd5caeacfd98338d69400f83f15987db.tar.gz cpython-399c59d7bd5caeacfd98338d69400f83f15987db.tar.bz2 | |
asyncio doc: list limitations to run subprocesses from different threads
Diffstat (limited to 'Doc/library/asyncio-subprocess.rst')
| -rw-r--r-- | Doc/library/asyncio-subprocess.rst | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Doc/library/asyncio-subprocess.rst b/Doc/library/asyncio-subprocess.rst index 1cbfcf2..570107e 100644 --- a/Doc/library/asyncio-subprocess.rst +++ b/Doc/library/asyncio-subprocess.rst @@ -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 =================== |