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Title: gh-118138: Adds test for multithreaded writes to files. by elistevens · Pull Request #119107 · python/cpython · GitHub

Open Graph Title: gh-118138: Adds test for multithreaded writes to files. by elistevens · Pull Request #119107 · python/cpython

X Title: gh-118138: Adds test for multithreaded writes to files. by elistevens · Pull Request #119107 · python/cpython

Description: Multithreaded writes to files (including standard calls to print() from threads) can result in assertion failures, missed dropped output, and (in non-debug builds) writing uninitialized memory out ...

Open Graph Description: Multithreaded writes to files (including standard calls to print() from threads) can result in assertion failures, missed dropped output, and (in non-debug builds) writing uninitialized memory out ...

X Description: Multithreaded writes to files (including standard calls to print() from threads) can result in assertion failures, missed dropped output, and (in non-debug builds) writing uninitialized memory out ...

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SSL session content bleeds into stdout with lots of threads #118138https://github.com/python/cpython/issues/118138
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Fixes race conditions from multithreaded writes.https://github.com/python/cpython/pull/119107/commits/3f05fd9db55ea7d7756e7c6e98593dc200e0cdcc
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Update test_io_threading.py to not suffer from interleaved printshttps://github.com/python/cpython/pull/119107/commits/d156d3c73dca08032ffa0e6b8edc1080bebdcb38
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