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[3.12] gh-129185: Fix PyTraceMalloc_Untrack() at Python exit (#129191) (#129217) (#129221)

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[3.13] gh-129185: Fix PyTraceMalloc_Untrack() at Python exit (#129191) (#129217)

gh-129185: Fix PyTraceMalloc_Untrack() at Python exit (#129191)

Support calling PyTraceMalloc_Track() and PyTraceMalloc_Untrack()
during late Python finalization.

* Call _PyTraceMalloc_Fini() later in Python finalization.
* Test also PyTraceMalloc_Untrack() without the GIL
* PyTraceMalloc_Untrack() now gets the GIL.
* Test also PyTraceMalloc_Untrack() in test_tracemalloc_track_race().

(cherry picked from commit 46c7e13c05)
(cherry picked from commit e3b3e01d6a)
This commit is contained in:
Victor Stinner 2025-01-23 14:29:46 +01:00 • committed by GitHub
parent 880ad1813e
commit bb7c54d5ba
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5 changed files with 78 additions and 14 deletions
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4
Python/pylifecycle.c
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@ -1933,7 +1933,7 @@ Py_FinalizeEx(void)
/* Disable tracemalloc after all Python objects have been destroyed,
so it is possible to use tracemalloc in objects destructor. */
_PyTraceMalloc_Fini();
_PyTraceMalloc_Stop();
/* Finalize any remaining import state */
// XXX Move these up to where finalize_modules() is currently.
@ -1986,6 +1986,8 @@ Py_FinalizeEx(void)
finalize_interp_clear(tstate);
_PyTraceMalloc_Fini();
#ifdef WITH_PYMALLOC
if (malloc_stats) {
_PyObject_DebugMallocStats(stderr);