mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-10-09 16:34:44 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 17

gh-112213: Update _weakref module to use new AC feature (gh-112250)

Browse source
This commit is contained in:
Donghee Na 2023-11-19 01:43:51 +00:00 • committed by GitHub
parent b8c952af72
commit 2bcc0f7d34
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 31 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

36
Modules/_weakref.c
View file

@ -1,5 +1,4 @@
#include "Python.h"
#include "pycore_critical_section.h" // Py_BEGIN_CRITICAL_SECTION()
#include "pycore_dict.h" // _PyDict_DelItemIf()
#include "pycore_object.h" // _PyObject_GET_WEAKREFS_LISTPTR()
#include "pycore_weakref.h" // _PyWeakref_IS_DEAD()
@ -15,7 +14,7 @@ module _weakref
#include "clinic/_weakref.c.h"
/*[clinic input]
@critical_section object
_weakref.getweakrefcount -> Py_ssize_t
object: object
@ -26,17 +25,13 @@ Return the number of weak references to 'object'.
static Py_ssize_t
_weakref_getweakrefcount_impl(PyObject *module, PyObject *object)
/*[clinic end generated code: output=301806d59558ff3e input=cedb69711b6a2507]*/
/*[clinic end generated code: output=301806d59558ff3e input=6535a580f1d0ebdc]*/
{
PyWeakReference **list;
if (!_PyType_SUPPORTS_WEAKREFS(Py_TYPE(object)))
if (!_PyType_SUPPORTS_WEAKREFS(Py_TYPE(object))) {
return 0;
Py_ssize_t count;
Py_BEGIN_CRITICAL_SECTION(object);
list = GET_WEAKREFS_LISTPTR(object);
count = _PyWeakref_GetWeakrefCount(*list);
Py_END_CRITICAL_SECTION();
}
PyWeakReference **list = GET_WEAKREFS_LISTPTR(object);
Py_ssize_t count = _PyWeakref_GetWeakrefCount(*list);
return count;
}
@ -48,11 +43,7 @@ is_dead_weakref(PyObject *value)
PyErr_SetString(PyExc_TypeError, "not a weakref");
return -1;
}
int is_dead;
Py_BEGIN_CRITICAL_SECTION(value);
is_dead = _PyWeakref_IS_DEAD(value);
Py_END_CRITICAL_SECTION();
return is_dead;
return _PyWeakref_IS_DEAD(value);
}
/*[clinic input]
@ -86,6 +77,7 @@ _weakref__remove_dead_weakref_impl(PyObject *module, PyObject *dct,
/*[clinic input]
@critical_section object
_weakref.getweakrefs
object: object
/
@ -94,21 +86,19 @@ Return a list of all weak reference objects pointing to 'object'.
[clinic start generated code]*/
static PyObject *
_weakref_getweakrefs(PyObject *module, PyObject *object)
/*[clinic end generated code: output=25c7731d8e011824 input=00c6d0e5d3206693]*/
_weakref_getweakrefs_impl(PyObject *module, PyObject *object)
/*[clinic end generated code: output=5ec268989fb8f035 input=3dea95b8f5b31bbb]*/
{
if (!_PyType_SUPPORTS_WEAKREFS(Py_TYPE(object))) {
return PyList_New(0);
}
PyObject *result;
Py_BEGIN_CRITICAL_SECTION(object);
PyWeakReference **list = GET_WEAKREFS_LISTPTR(object);
Py_ssize_t count = _PyWeakref_GetWeakrefCount(*list);
result = PyList_New(count);
PyObject *result = PyList_New(count);
if (result == NULL) {
goto exit;
return NULL;
}
PyWeakReference *current = *list;
@ -116,8 +106,6 @@ _weakref_getweakrefs(PyObject *module, PyObject *object)
PyList_SET_ITEM(result, i, Py_NewRef(current));
current = current->wr_next;
}
exit:
Py_END_CRITICAL_SECTION();
return result;
}