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gh-114940: Add _Py_FOR_EACH_TSTATE_UNLOCKED(), and Friends (gh-127077)

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This is a precursor to the actual fix for gh-114940, where we will change these macros to use the new lock.  This change is almost entirely mechanical; the exceptions are the loops in codeobject.c and ceval.c, which now hold the "head" lock.  Note that almost all of the uses of _Py_FOR_EACH_TSTATE_UNLOCKED() here will change to _Py_FOR_EACH_TSTATE_BEGIN() once we add the new per-interpreter lock.
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Eric Snow 2024-11-21 11:08:38 -07:00 • committed by GitHub
parent bf542f8bb9
commit 9dabace39d
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9 changed files with 79 additions and 87 deletions
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Python/ceval.c
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@ -296,11 +296,12 @@ Py_SetRecursionLimit(int new_limit)
{
PyInterpreterState *interp = _PyInterpreterState_GET();
interp->ceval.recursion_limit = new_limit;
for (PyThreadState *p = interp->threads.head; p != NULL; p = p->next) {
_Py_FOR_EACH_TSTATE_BEGIN(interp, p) {
int depth = p->py_recursion_limit - p->py_recursion_remaining;
p->py_recursion_limit = new_limit;
p->py_recursion_remaining = new_limit - depth;
}
_Py_FOR_EACH_TSTATE_END(interp);
}
/* The function _Py_EnterRecursiveCallTstate() only calls _Py_CheckRecursiveCall()