gh-117139: Garbage collector support for deferred refcounting#122956
Merged
colesbury merged 3 commits intopython:mainfrom Aug 15, 2024
Merged
gh-117139: Garbage collector support for deferred refcounting#122956colesbury merged 3 commits intopython:mainfrom
colesbury merged 3 commits intopython:mainfrom
Conversation
* The free-threaded GC now visits interpreter stacks to keep objects that use deferred reference counting alive. * Interpreter frames are zero initialized in the free-threaded GC so that the GC doesn't see garbage data. This is a temporary measure until stack spilling around escaping calls is implemented. Co-authored-by: Ken Jin <kenjin@python.org>
Contributor
Author
|
This was extracted from: |
DinoV
approved these changes
Aug 13, 2024
Python/gc_free_threading.c
Outdated
| int | ||
| _PyGC_VisitFrameStack(_PyInterpreterFrame *frame, visitproc visit, void *arg) | ||
| { | ||
| _PyStackRef *ref = frame->localsplus; |
Contributor
There was a problem hiding this comment.
Maybe use _PyFrame_GetLocalsArray like the GIL version just to be consistent?
|
🤖 New build scheduled with the buildbot fleet by @colesbury for commit 5b9176b 🤖 If you want to schedule another build, you need to add the 🔨 test-with-refleak-buildbots label again. |
kumaraditya303
approved these changes
Aug 15, 2024
blhsing
pushed a commit
to blhsing/cpython
that referenced
this pull request
Aug 22, 2024
…ython#122956) The free-threaded GC now visits interpreter stacks to keep objects that use deferred reference counting alive. Interpreter frames are zero initialized in the free-threaded GC so that the GC doesn't see garbage data. This is a temporary measure until stack spilling around escaping calls is implemented. Co-authored-by: Ken Jin <kenjin@python.org>
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
The free-threaded GC now visits interpreter stacks to keep objects that use deferred reference counting alive.
Interpreter frames are zero initialized in the free-threaded GC so that the GC doesn't see garbage data. This is a temporary measure until stack spilling around escaping calls is implemented.