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bpo-46417: Call _PyDebug_PrintTotalRefs() later (GH-30744)

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"python -X showrefcount" now shows the total reference count after
clearing and destroyed the main Python interpreter. Previously, it
was shown before.

Py_FinalizeEx() now calls _PyDebug_PrintTotalRefs() after
finalize_interp_delete().
This commit is contained in:
Victor Stinner 2022-01-21 13:05:26 +01:00 • committed by GitHub
parent 54610bb448
commit ea38e436fe
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2 changed files with 9 additions and 6 deletions
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3
Misc/NEWS.d/next/Core and Builtins/2022-01-21-12-24-14.bpo-46417.i3IqMf.rst Normal file
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@ -0,0 +1,3 @@
``python -X showrefcount`` now shows the total reference count after clearing
and destroyed the main Python interpreter. Previously, it was shown before.
Patch by Victor Stinner.

12
Python/pylifecycle.c
View file

@ -1862,12 +1862,6 @@ Py_FinalizeEx(void)
/* dump hash stats */ /* dump hash stats */
_PyHash_Fini(); _PyHash_Fini();
#ifdef Py_REF_DEBUG
if (show_ref_count) {
_PyDebug_PrintTotalRefs();
}
#endif
#ifdef Py_TRACE_REFS #ifdef Py_TRACE_REFS
/* Display all objects still alive -- this can invoke arbitrary /* Display all objects still alive -- this can invoke arbitrary
* __repr__ overrides, so requires a mostly-intact interpreter. * __repr__ overrides, so requires a mostly-intact interpreter.
@ -1895,6 +1889,12 @@ Py_FinalizeEx(void)
finalize_interp_clear(tstate); finalize_interp_clear(tstate);
finalize_interp_delete(tstate->interp); finalize_interp_delete(tstate->interp);
#ifdef Py_REF_DEBUG
if (show_ref_count) {
_PyDebug_PrintTotalRefs();
}
#endif
#ifdef Py_TRACE_REFS #ifdef Py_TRACE_REFS
/* Display addresses (& refcnts) of all objects still alive. /* Display addresses (& refcnts) of all objects still alive.
* An address can be used to find the repr of the object, printed * An address can be used to find the repr of the object, printed