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| author | Ask Solem <askh@opera.com> | 2010-11-09 21:46:03 (GMT) |
|---|---|---|
| committer | Ask Solem <askh@opera.com> | 2010-11-09 21:46:03 (GMT) |
| commit | 518eaa8a7676a456ef8f04a8645af28c8b1ea09c (patch) | |
| tree | cecc5e44b93c400ee87cf66268f302213a7fccb9 /Doc/library | |
| parent | 1d3b89397b02bde3d6e8f63619a28d11fd13ac4d (diff) | |
| download | cpython-518eaa8a7676a456ef8f04a8645af28c8b1ea09c.zip cpython-518eaa8a7676a456ef8f04a8645af28c8b1ea09c.tar.gz cpython-518eaa8a7676a456ef8f04a8645af28c8b1ea09c.tar.bz2 | |
Issue #7707: Documented that multiprocessing.Queue operations during
import can lead to deadlocks.
Diffstat (limited to 'Doc/library')
| -rw-r--r-- | Doc/library/multiprocessing.rst | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Doc/library/multiprocessing.rst b/Doc/library/multiprocessing.rst index 4f3f1cd..d611278 100644 --- a/Doc/library/multiprocessing.rst +++ b/Doc/library/multiprocessing.rst @@ -120,7 +120,9 @@ processes: print(q.get()) # prints "[42, None, 'hello']" p.join() - Queues are thread and process safe. + Queues are thread and process safe, but note that they must never + be instantiated as a side effect of importing a module: this can lead + to a deadlock! (see :ref:`threaded-imports`) **Pipes** |