Author: Armin Rigo <[email protected]>
Branch:
Changeset: r76410:ca92ff804835
Date: 2015-03-16 17:11 +0100
http://bitbucket.org/pypy/pypy/changeset/ca92ff804835/
Log: Use RLock instead of Lock. The goal is to ensure that only one
thread at a time uses tkinter, if the C library is "non-threaded".
But we're getting rare cases of deadlocks even with only one thread,
which is likely a rare path ending up in a recursive locking.
diff --git a/lib_pypy/_tkinter/app.py b/lib_pypy/_tkinter/app.py
--- a/lib_pypy/_tkinter/app.py
+++ b/lib_pypy/_tkinter/app.py
@@ -96,7 +96,7 @@
if not self.threaded:
# TCL is not thread-safe, calls needs to be serialized.
- self._tcl_lock = threading.Lock()
+ self._tcl_lock = threading.RLock()
else:
self._tcl_lock = _DummyLock()
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