Visitar URL original
gh-104252: Immortalize Py_EMPTY_KEYS by ericsnowcurrently · Pull Request #104253 · python/cpython · GitHub
Skip to content

gh-104252: Immortalize Py_EMPTY_KEYS #104253

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
ericsnowcurrently merged 10 commits into from
May 10, 2023
Merged

gh-104252: Immortalize Py_EMPTY_KEYS #104253

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
10 commits
Select commit Hold shift + click to select a range
5bc2469
Factor out _dict_state_INIT.
ericsnowcurrently May 6, 2023
e472d94
Immortalize Py_EMPTY_KEYS.
ericsnowcurrently May 6, 2023
87351e0
Handle other uses of dk_refcnt.
ericsnowcurrently May 8, 2023
f5da088
Add a note.
ericsnowcurrently May 8, 2023
db8612f
Drop an old line.
ericsnowcurrently May 8, 2023
58585a9
Drop an unnecessary condition.
ericsnowcurrently May 8, 2023
6b5c952
Drop an unnecessary assert.
ericsnowcurrently May 9, 2023
bdbce5f
Do not bother inc/dec-refing Py_EMPTY_KEYS.
ericsnowcurrently May 9, 2023
aab493a
Do not update Py_Reftotal for Py_EMPTY_KEYS.
ericsnowcurrently May 9, 2023
5aabfd7
Clarify the comment about dictkeys_incref() and dictkeys_decref().
ericsnowcurrently May 9, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Next Next commit
Factor out _dict_state_INIT.
  • Loading branch information
@ericsnowcurrently
ericsnowcurrently committed May 6, 2023
commit 5bc2469e313d47e8e0daa7ffd3333e5638cfcbf2
7 changes: 7 additions & 0 deletions Include/internal/pycore_dict_state.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,8 @@ struct _Py_dict_state {
uint64_t global_version;
uint32_t next_keys_version;

// PyDictKeysObject empty_keys_struct;
Comment thread
sunmy2019 marked this conversation as resolved.
Outdated

#if PyDict_MAXFREELIST > 0
/* Dictionary reuse scheme to save calls to malloc and free */
PyDictObject *free_list[PyDict_MAXFREELIST];
Expand All @@ -38,6 +40,11 @@ struct _Py_dict_state {
PyDict_WatchCallback watchers[DICT_MAX_WATCHERS];
};

#define _dict_state_INIT \
{ \
.next_keys_version = 2, \
}


#ifdef __cplusplus
}
Expand Down
4 changes: 1 addition & 3 deletions Include/internal/pycore_runtime_init.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -107,9 +107,7 @@ extern PyTypeObject _PyExc_MemoryError;
}, \
}, \
.dtoa = _dtoa_state_INIT(&(INTERP)), \
.dict_state = { \
.next_keys_version = 2, \
}, \
.dict_state = _dict_state_INIT, \
.func_state = { \
.next_version = 1, \
}, \
Expand Down