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bpo-46417: Clear symtable identifiers at exit (GH-30809)

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Add _PySymtable_Fini() function, called by finalize_interp_clear().

Update test_cmd_line.test_showrefcount() to tolerate negative
reference count.
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Victor Stinner 2022-01-23 00:06:56 +01:00 • committed by GitHub
parent 1ded8ed8e8
commit 12f4ac3bc8
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4 changed files with 25 additions and 3 deletions
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4
Python/pylifecycle.c
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@ -23,6 +23,7 @@
#include "pycore_runtime_init.h" // _PyRuntimeState_INIT
#include "pycore_sliceobject.h" // _PySlice_Fini()
#include "pycore_structseq.h" // _PyStructSequence_InitState()
#include "pycore_symtable.h" // _PySymtable_Fini()
#include "pycore_sysmodule.h" // _PySys_ClearAuditHooks()
#include "pycore_traceback.h" // _Py_DumpTracebackThreads()
#include "pycore_tuple.h" // _PyTuple_InitTypes()
@ -1700,6 +1701,9 @@ finalize_interp_clear(PyThreadState *tstate)
int is_main_interp = _Py_IsMainInterpreter(tstate->interp);
_PyExc_ClearExceptionGroupType(tstate->interp);
if (is_main_interp) {
_PySymtable_Fini();
}
/* Clear interpreter state and all thread states */
_PyInterpreterState_Clear(tstate);