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Issue #18112: PEP 442 implementation (safe object finalization).

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This commit is contained in:
Antoine Pitrou 2013-07-30 19:59:21 +02:00
parent c5d95b17ac
commit 796564c27b
25 changed files with 1254 additions and 321 deletions
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10
Include/object.h
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@ -408,6 +408,8 @@ typedef struct _typeobject {
/* Type attribute cache version tag. Added in version 2.6 */
unsigned int tp_version_tag;
destructor tp_finalize;
#ifdef COUNT_ALLOCS
/* these must be last and never explicitly initialized */
Py_ssize_t tp_allocs;
@ -529,6 +531,8 @@ PyAPI_FUNC(int) PyObject_Not(PyObject *);
PyAPI_FUNC(int) PyCallable_Check(PyObject *);
PyAPI_FUNC(void) PyObject_ClearWeakRefs(PyObject *);
PyAPI_FUNC(void) PyObject_CallFinalizer(PyObject *);
PyAPI_FUNC(int) PyObject_CallFinalizerFromDealloc(PyObject *);
/* Same as PyObject_Generic{Get,Set}Attr, but passing the attributes
dict as the last parameter. */
@ -646,6 +650,12 @@ given type object has a specified feature.
Py_TPFLAGS_HAVE_VERSION_TAG | \
0)
/* NOTE: The following flags reuse lower bits (removed as part of the
* Python 3.0 transition). */
/* Type structure has tp_finalize member (3.4) */
#define Py_TPFLAGS_HAVE_FINALIZE (1UL << 0)
#ifdef Py_LIMITED_API
#define PyType_HasFeature(t,f) ((PyType_GetFlags(t) & (f)) != 0)
#else