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-rw-r--r--Lib/threading.py7
1 files changed, 6 insertions, 1 deletions
diff --git a/Lib/threading.py b/Lib/threading.py
index 0e77060ed5..7e513b8efe 100644
--- a/Lib/threading.py
+++ b/Lib/threading.py
@@ -465,7 +465,12 @@ class Thread(_Verbose):
self._note("%s.start(): starting thread", self)
with _active_limbo_lock:
_limbo[self] = self
- _start_new_thread(self._bootstrap, ())
+ try:
+ _start_new_thread(self._bootstrap, ())
+ except Exception:
+ with _active_limbo_lock:
+ del _limbo[self]
+ raise
self._started.wait()
def run(self):