[Python-checkins] r86375 - in python/branches/py3k: Doc/library/multiprocessing.rst Misc/NEWS

[ask.solem]

Author: ask.solem
Date: Tue Nov  9 22:46:03 2010
New Revision: 86375

Log:
Issue #7707: Documented that multiprocessing.Queue operations during
import can lead to deadlocks.



Modified:
   python/branches/py3k/Doc/library/multiprocessing.rst
   python/branches/py3k/Misc/NEWS

Modified: python/branches/py3k/Doc/library/multiprocessing.rst
==============================================================================
--- python/branches/py3k/Doc/library/multiprocessing.rst	(original)
+++ python/branches/py3k/Doc/library/multiprocessing.rst	Tue Nov  9 22:46:03 2010
@@ -120,7 +120,9 @@
           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**
 

Modified: python/branches/py3k/Misc/NEWS
==============================================================================
--- python/branches/py3k/Misc/NEWS	(original)
+++ python/branches/py3k/Misc/NEWS	Tue Nov  9 22:46:03 2010
@@ -2879,6 +2879,9 @@
 Documentation
 -------------
 
+- Issue #7707: Document that ``multiprocessing.Queue`` operations during import
+  can lead to deadlocks.
+
 - Issue #9817: Add expat COPYING file; add expat, libffi and expat licenses
   to Doc/license.rst.