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Issue #4188: Avoid creating dummy thread objects when logging operations

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from the threading module (with the internal verbose flag activated).
This commit is contained in:
Antoine Pitrou 2010-12-17 17:42:16 +00:00
parent 988dbd7bc2
commit 401edd69cf
2 changed files with 11 additions and 2 deletions
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10
Lib/threading.py
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@ -55,8 +55,14 @@ if __debug__:
def _note(self, format, *args):
if self._verbose:
format = format % args
format = "%s: %s\n" % (
current_thread().name, format)
# Issue #4188: calling current_thread() can incur an infinite
# recursion if it has to create a DummyThread on the fly.
ident = _get_ident()
try:
name = _active[ident].name
except KeyError:
name = "<OS thread %d>" % ident
format = "%s: %s\n" % (name, format)
_sys.stderr.write(format)
else: