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Implemented Martin's suggestion to clear the free lists during the garbage collection of the highest generation.

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Christian Heimes 2008-02-14 12:47:33 +00:00
parent 50361d4d9b
commit 3b718a79af
15 changed files with 131 additions and 25 deletions
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25
Objects/tupleobject.c
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@ -832,25 +832,38 @@ _PyTuple_Resize(PyObject **pv, Py_ssize_t newsize)
return 0;
}
void
PyTuple_Fini(void)
int
PyTuple_ClearFreeList(void)
{
int freelist_size = 0;
#if PyTuple_MAXSAVESIZE > 0
int i;
Py_XDECREF(free_list[0]);
free_list[0] = NULL;
for (i = 1; i < PyTuple_MAXSAVESIZE; i++) {
PyTupleObject *p, *q;
p = free_list[i];
freelist_size += numfree[i];
free_list[i] = NULL;
numfree[i] = 0;
while (p) {
q = p;
p = (PyTupleObject *)(p->ob_item[0]);
PyObject_GC_Del(q);
}
}
#endif
return freelist_size;
}
void
PyTuple_Fini(void)
{
#if PyTuple_MAXSAVESIZE > 0
/* empty tuples are used all over the place and applications may
* rely on the fact that an empty tuple is a singleton. */
Py_XDECREF(free_list[0]);
free_list[0] = NULL;
(void)PyTuple_ClearFreeList();
#endif
}