[3.10] gh-112275: Fix HEAD_LOCK deadlock in child process after fork (GH-112336)#123687
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…fork (pythonGH-112336) HEAD_LOCK is called from _PyEval_ReInitThreads->_PyThreadState_DeleteExcept before _PyRuntimeState_ReInitThreads reinit runtime->interpreters.mutex which might be locked before fork. (cherry picked from commit 522799a) Co-authored-by: ChuBoning <[email protected]> Co-authored-by: Łukasz Langa <[email protected]>
ambv changed the title 
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HEAD_LOCK is called from _PyEval_ReInitThreads->_PyThreadState_DeleteExcept before _PyRuntimeState_ReInitThreads reinit runtime->interpreters.mutex which might be locked before fork.
(cherry picked from commit 522799a)
Co-authored-by: ChuBoning [email protected]
Co-authored-by: Łukasz Langa [email protected]