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[3.14] gh-161712: Read the clock once in ThreadHandle_join() (GH-161771) - #161843
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…ythonGH-161771) Py_MAX() evaluated _PyDeadline_Get() twice. If the deadline passed between the two calls, the negative second value was used as the timeout, which means no timeout, and Thread.join(timeout) could block forever. main already reads it once since pythongh-157495. (cherry picked from commit 88d137a) Co-authored-by: Ahmed Semih Özmekik <ahmed-semih@outlook.com>
This was referenced Nov 12, 2026
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Py_MAX() evaluated _PyDeadline_Get() twice. If the deadline passed
between the two calls, the negative second value was used as the
timeout, which means no timeout, and Thread.join(timeout) could block
forever. main already reads it once since gh-157495.
(cherry picked from commit 88d137a)
Co-authored-by: Ahmed Semih Özmekik ahmed-semih@outlook.com