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gh-128717: Stop-the-world when setting the recursion limit (#128741)

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Peter Bierma 2025-01-12 08:04:30 -05:00 • committed by GitHub
parent ff39e3ff7b
commit f6c61bf2d7
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Python/ceval.c
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@ -294,6 +294,7 @@ void
Py_SetRecursionLimit(int new_limit)
{
PyInterpreterState *interp = _PyInterpreterState_GET();
_PyEval_StopTheWorld(interp);
interp->ceval.recursion_limit = new_limit;
_Py_FOR_EACH_TSTATE_BEGIN(interp, p) {
int depth = p->py_recursion_limit - p->py_recursion_remaining;
@ -301,6 +302,7 @@ Py_SetRecursionLimit(int new_limit)
p->py_recursion_remaining = new_limit - depth;
}
_Py_FOR_EACH_TSTATE_END(interp);
_PyEval_StartTheWorld(interp);
}
/* The function _Py_EnterRecursiveCallTstate() only calls _Py_CheckRecursiveCall()