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Unified naming convention for free lists and their limits. All free lists

Browse source 
in Object/ are named ``free_list``, the counter ``numfree`` and the upper
limit is a macro ``PyName_MAXFREELIST`` inside an #ifndef block.

The chances should make it easier to adjust Python for platforms with
less memory, e.g. mobile phones.
This commit is contained in:
Christian Heimes 2008-02-06 13:33:44 +00:00
parent 6075a82243
commit 5b970ad483
9 changed files with 99 additions and 84 deletions
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22
Objects/setobject.c
View file

@ -51,9 +51,11 @@ _PySet_Dummy(void)
} while(0)
/* Reuse scheme to save calls to malloc, free, and memset */
#define MAXFREESETS 80
static PySetObject *free_sets[MAXFREESETS];
static int num_free_sets = 0;
#ifndef PySet_MAXFREELIST
#define PySet_MAXFREELIST 80
#endif
static PySetObject *free_list[PySet_MAXFREELIST];
static int numfree = 0;
/*
The basic lookup function used by all operations.
@ -558,8 +560,8 @@ set_dealloc(PySetObject *so)
}
if (so->table != so->smalltable)
PyMem_DEL(so->table);
if (num_free_sets < MAXFREESETS && PyAnySet_CheckExact(so))
free_sets[num_free_sets++] = so;
if (numfree < PySet_MAXFREELIST && PyAnySet_CheckExact(so))
free_list[numfree++] = so;
else
Py_TYPE(so)->tp_free(so);
Py_TRASHCAN_SAFE_END(so)
@ -983,9 +985,9 @@ make_new_set(PyTypeObject *type, PyObject *iterable)
}
/* create PySetObject structure */
if (num_free_sets &&
if (numfree &&
(type == &PySet_Type || type == &PyFrozenSet_Type)) {
so = free_sets[--num_free_sets];
so = free_list[--numfree];
assert (so != NULL && PyAnySet_CheckExact(so));
Py_TYPE(so) = type;
_Py_NewReference((PyObject *)so);
@ -1053,9 +1055,9 @@ PySet_Fini(void)
{
PySetObject *so;
while (num_free_sets) {
num_free_sets--;
so = free_sets[num_free_sets];
while (numfree) {
numfree--;
so = free_list[numfree];
PyObject_GC_Del(so);
}
Py_CLEAR(dummy);