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authorGregory P. Smith <greg@mad-scientist.com>2011-01-03 21:06:12 (GMT)
committerGregory P. Smith <greg@mad-scientist.com>2011-01-03 21:06:12 (GMT)
commit96c886ce967cb62cedca2e482616f551e809b777 (patch)
treed06a39d65999d2bc62b644ec75e788564d118bce /Lib/threading.py
parent68530ac3c0ef5b84aa303ce81cbdc4c07c4349ef (diff)
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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).
Diffstat (limited to 'Lib/threading.py')
-rw-r--r--Lib/threading.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/Lib/threading.py b/Lib/threading.py
index 01c27b8..b586bb0 100644
--- a/Lib/threading.py
+++ b/Lib/threading.py
@@ -1064,6 +1064,10 @@ def _after_fork():
# its new value since it can have changed.
ident = _get_ident()
thread._ident = ident
+ # Any condition variables hanging off of the active thread may
+ # be in an invalid state, so we reinitialize them.
+ thread._block.__init__()
+ thread._started._cond.__init__()
new_active[ident] = thread
else:
# All the others are already stopped.