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gh-141617: clarify concurrent.futures.ThreadPoolExecutor deadlock example #141620

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gh-141617: clarify concurrent.futures.ThreadPoolExecutor deadlock example #141620

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2a5ba3e
gh-141617: Add missing result() call in concurrent.futures example
Yashp002 Nov 16, 2025
6dd6b65
gh-141617: Clarify ThreadPoolExecutor deadlock example in docs
Yashp002 Nov 17, 2025
db98031
Address review feedback: remove incorrect comments and fix deadlock e…
Yashp002 Dec 2, 2025
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Yashp002 Dec 2, 2025
1b886c5
Update Doc/library/concurrent.futures.rst
picnixz Mar 1, 2026
d9d2c83
Update concurrent.futures.rst
picnixz Mar 1, 2026
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4 changes: 3 additions & 1 deletion Doc/library/concurrent.futures.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -151,7 +151,9 @@ And::
print(f.result())

executor = ThreadPoolExecutor(max_workers=1)
executor.submit(wait_on_future)
future = executor.submit(wait_on_future)
# Note: calling future.result() would also cause a deadlock because
# the single worker thread is already waiting for wait_on_future().


.. class:: ThreadPoolExecutor(max_workers=None, thread_name_prefix='', initializer=None, initargs=())
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