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bpo-35059: Convert _PyObject_GC_TRACK() to inline function (GH-10643)

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* Add _PyObject_ASSERT_FROM() and _PyObject_ASSERT_FAILED_MSG()
  macros.
* PyObject_GC_Track() now calls _PyObject_ASSERT_FAILED_MSG(),
  instead of Py_FatalError(), if the object is already tracked, to
  dump more information on error.
* _PyObject_GC_TRACK() no longer checks if the object is already
  tracked at runtime, use an assertion instead for best performances;
  PyObject_GC_Track() still checks at runtime.
* pycore_object.h now includes pycore_pystate.h.
* Convert _PyObject_GC_TRACK() and _PyObject_GC_UNTRACK() macros to
  inline functions.
This commit is contained in:
Victor Stinner 2018-11-22 01:02:54 +01:00 • committed by GitHub
parent f1d002c1e0
commit 271753a27a
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3 changed files with 68 additions and 42 deletions
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13
Modules/gcmodule.c
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@ -1846,15 +1846,16 @@ _PyGC_Dump(PyGC_Head *g)
/* extension modules might be compiled with GC support so these
functions must always be available */
#undef PyObject_GC_Track
#undef PyObject_GC_UnTrack
#undef PyObject_GC_Del
#undef _PyObject_GC_Malloc
void
PyObject_GC_Track(void *op)
{
_PyObject_GC_TRACK(op);
PyObject *obj = (PyObject *)op;
if (_PyObject_GC_IS_TRACKED(op)) {
_PyObject_ASSERT_FAILED_MSG(op,
"object already tracked "
"by the garbage collector");
}
_PyObject_GC_TRACK(obj);
}
void