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bpo-37031: Fix PyOS_AfterFork_Child() (GH-13537)

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PyOS_AfterFork_Child(): _PyInterpreterState_DeleteExceptMain() must
be called after _PyRuntimeState_ReInitThreads().

_PyRuntimeState_ReInitThreads() resets interpreters mutex after fork,
mutex used by _PyInterpreterState_DeleteExceptMain().
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Victor Stinner 2019-05-24 15:20:23 +02:00 • committed by GitHub
parent b3a9843cd1
commit b49858b4b7
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Modules/posixmodule.c
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@ -448,11 +448,11 @@ PyOS_AfterFork_Child(void)
{ {
_PyRuntimeState *runtime = &_PyRuntime; _PyRuntimeState *runtime = &_PyRuntime;
_PyGILState_Reinit(runtime); _PyGILState_Reinit(runtime);
_PyInterpreterState_DeleteExceptMain(runtime);
_PyEval_ReInitThreads(runtime); _PyEval_ReInitThreads(runtime);
_PyImport_ReInitLock(); _PyImport_ReInitLock();
_PySignal_AfterFork(); _PySignal_AfterFork();
_PyRuntimeState_ReInitThreads(runtime); _PyRuntimeState_ReInitThreads(runtime);
_PyInterpreterState_DeleteExceptMain(runtime);
run_at_forkers(_PyInterpreterState_Get()->after_forkers_child, 0); run_at_forkers(_PyInterpreterState_Get()->after_forkers_child, 0);
} }