Issue #15881: Fixed 3.2 backport.

5bedef3e · Alexander Belopolsky · 36351564 · 5bedef3e
Commit 5bedef3e authored Sep 09, 2012 by Alexander Belopolsky
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Lib/multiprocessing/util.py Lib/multiprocessing/util.py +2 -0

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--- a/Lib/multiprocessing/util.py
+++ b/Lib/multiprocessing/util.py
@@ -294,6 +294,8 @@ def _exit_function(info=info, debug=debug, _run_finalizers=_run_finalizers,
    global _exiting

    if not _exiting:
+        _exiting = True
+
        info('process shutting down')
        debug('running all "atexit" finalizers with priority >= 0')
        _run_finalizers(0)