Merged revisions 87710 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r87710 | gregory.p.smith | 2011-01-03 13:06:12 -0800 (Mon, 03 Jan 2011) | 4 lines

  issue6643 - Two locks held within the threading module on each thread instance
  needed to be reinitialized after fork().  Adds tests to confirm that they are
  and that a potential deadlock and crasher bug are fixed (platform dependant).
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diff --git a/Misc/NEWS b/Misc/NEWS
index 7784232..1064005 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -27,6 +27,9 @@
 Library
 -------
 
+- Issue #6643: Reinitialize locks held within the threading module after fork
+  to avoid a potential rare deadlock or crash on some platforms.
+
 - Issue #10806, issue #9905: Fix subprocess pipes when some of the standard
   file descriptors (0, 1, 2) are closed in the parent process.  Initial
   patch by Ross Lagerwall.