René's URL Explorer Experiment


Title: [3.15] gh-151644: Fix data race in sys.setdlopenflags/getdlopenflags under free-threading (gh-151768) by miss-islington · Pull Request #153790 · python/cpython · GitHub

Open Graph Title: [3.15] gh-151644: Fix data race in sys.setdlopenflags/getdlopenflags under free-threading (gh-151768) by miss-islington · Pull Request #153790 · python/cpython

X Title: [3.15] gh-151644: Fix data race in sys.setdlopenflags/getdlopenflags under free-threading (gh-151768) by miss-islington · Pull Request #153790 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: In free-threading builds, concurrent calls to sys.getdlopenflags() and sys.setdlopenflags() race on interp->imports.dlopenflags. Fix by using FT_ATOMIC_LOAD_INT_RELAXED / FT_ATOMIC_STORE_INT_RE...

X Description: In free-threading builds, concurrent calls to sys.getdlopenflags() and sys.setdlopenflags() race on interp->imports.dlopenflags. Fix by using FT_ATOMIC_LOAD_INT_RELAXED / FT_ATOMIC_STORE_IN...

Mail addresses
git.jiucheng@gmail.com
noreply@anthropic.com

Opengraph URL: https://github.com/python/cpython/pull/153790

X: @github

direct link

Domain: github.com

route-pattern/_view_fragments/voltron/pull_requests/show/:user_id/:repository/:id/pull_request_layout(.:format)
route-controllervoltron_pull_requests_fragments
route-actionpull_request_layout
fetch-noncev2:163bce15-353f-ec67-163e-084a453d236d
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idE556:134D84:1874C64:234634D:6A58D245
html-safe-nonced55cbce36e46c2c6edfed37f6739c487311749302c74809bd4b26a1c5ff26d76
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJFNTU2OjEzNEQ4NDoxODc0QzY0OjIzNDYzNEQ6NkE1OEQyNDUiLCJ2aXNpdG9yX2lkIjoiMTc2NzgyOTYxMTkyNzM2MDA2OSIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmac84f92bb9d315042e26ee24a8951a045526d72f220093fa0d782f30e38c2e7861
hovercard-subject-tagpull_request:4065065992
github-keyboard-shortcutsrepository,pull-request-list,pull-request-conversation,pull-request-files-changed,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///voltron/pull_requests_fragments/pull_request_layout
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/_view_fragments/voltron/pull_requests/show/python/cpython/153790/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/0e50376a91b90c8c0da0bba221227b5df97aa8d29c092b56f0b665d27534d84b/python/cpython/pull/153790
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/0e50376a91b90c8c0da0bba221227b5df97aa8d29c092b56f0b665d27534d84b/python/cpython/pull/153790
og:image:altIn free-threading builds, concurrent calls to sys.getdlopenflags() and sys.setdlopenflags() race on interp->imports.dlopenflags. Fix by using FT_ATOMIC_LOAD_INT_RELAXED / FT_ATOMIC_STORE_INT_RE...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamemiss-islington
hostnamegithub.com
expected-hostnamegithub.com
None5f2a0c7865178af3d91dd9f13b0cdfc3c73a2529c873d2780bb4c01271a57ec6
turbo-cache-controlno-cache
go-importgithub.com/python/cpython git https://github.com/python/cpython.git
octolytics-dimension-user_id1525981
octolytics-dimension-user_loginpython
octolytics-dimension-repository_id81598961
octolytics-dimension-repository_nwopython/cpython
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id81598961
octolytics-dimension-repository_network_root_nwopython/cpython
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release8aae7b8d6caacacf5c66eaeb2702d8dc88d85b4a
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/153790#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F153790
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub Copilot appDirect agents from issue to mergehttps://github.com/features/ai/github-app
MCP RegistryNewIntegrate external toolshttps://github.com/mcp
ActionsAutomate any workflowhttps://github.com/features/actions
CodespacesInstant dev environmentshttps://github.com/features/codespaces
IssuesPlan and track workhttps://github.com/features/issues
Code ReviewManage code changeshttps://github.com/features/code-review
GitHub Advanced SecurityFind and fix vulnerabilitieshttps://github.com/security/advanced-security
Code securitySecure your code as you buildhttps://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they starthttps://github.com/security/advanced-security/secret-protection
Why GitHubhttps://github.com/why-github
Documentationhttps://docs.github.com
Bloghttps://github.blog
Changeloghttps://github.blog/changelog
Marketplacehttps://github.com/marketplace
View all featureshttps://github.com/features
Enterpriseshttps://github.com/enterprise
Small and medium teamshttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
App Modernizationhttps://github.com/solutions/use-case/app-modernization
DevSecOpshttps://github.com/solutions/use-case/devsecops
DevOpshttps://github.com/solutions/use-case/devops
CI/CDhttps://github.com/solutions/use-case/ci-cd
View all use caseshttps://github.com/solutions/use-case
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
View all industrieshttps://github.com/solutions/industry
View all solutionshttps://github.com/solutions
AIhttps://github.com/resources/articles?topic=ai
Software Developmenthttps://github.com/resources/articles?topic=software-development
DevOpshttps://github.com/resources/articles?topic=devops
Securityhttps://github.com/resources/articles?topic=security
View all topicshttps://github.com/resources/articles
Customer storieshttps://github.com/customer-stories
Events & webinarshttps://github.com/resources/events
Ebooks & reportshttps://github.com/resources/whitepapers
Business insightshttps://github.com/solutions/executive-insights
GitHub Skillshttps://skills.github.com
Documentationhttps://docs.github.com
Customer supporthttps://support.github.com
Community forumhttps://github.com/orgs/community/discussions
Trust centerhttps://github.com/trust-center
Partnershttps://github.com/partners
View all resourceshttps://github.com/resources
GitHub SponsorsFund open source developershttps://github.com/open-source/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/open-source/accelerator
GitHub Starshttps://stars.github.com
Archive Programhttps://archiveprogram.github.com
Topicshttps://github.com/topics
Trendinghttps://github.com/trending
Collectionshttps://github.com/collections
Enterprise platformAI-powered developer platformhttps://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security featureshttps://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/enterprise/premium-support
Pricinghttps://github.com/pricing
Search syntax tipshttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentationhttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F153790
Sign up https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fvoltron%2Fpull_requests_fragments%2Fpull_request_layout&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://github.com/python/cpython/pull/153790
Reloadhttps://github.com/python/cpython/pull/153790
Reloadhttps://github.com/python/cpython/pull/153790
Please reload this pagehttps://github.com/python/cpython/pull/153790
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/153790
Notifications https://github.com/login?return_to=%2Fpython%2Fcpython
Fork 35k https://github.com/login?return_to=%2Fpython%2Fcpython
Star 73.8k https://github.com/login?return_to=%2Fpython%2Fcpython
Code https://github.com/python/cpython
Issues 5k+ https://github.com/python/cpython/issues
Pull requests 2.3k https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects https://github.com/python/cpython/projects
Security and quality 0 https://github.com/python/cpython/security
Insights https://github.com/python/cpython/pulse
Code https://github.com/python/cpython
Issues https://github.com/python/cpython/issues
Pull requests https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects https://github.com/python/cpython/projects
Security and quality https://github.com/python/cpython/security
Insights https://github.com/python/cpython/pulse
kumaraditya303https://github.com/kumaraditya303
python:3.15https://github.com/python/cpython/tree/3.15
miss-islington:backport-cde31ec-3.15https://github.com/miss-islington/cpython/tree/backport-cde31ec-3.15
Conversationhttps://github.com/python/cpython/pull/153790
Commits1 (1)https://github.com/python/cpython/pull/153790/commits
Checkshttps://github.com/python/cpython/pull/153790/checks
Files changedhttps://github.com/python/cpython/pull/153790/files
[3.15] gh-151644: Fix data race in sys.setdlopenflags/getdlopenflags under free-threading (gh-151768)https://github.com/python/cpython/pull/153790#top
kumaraditya303https://github.com/kumaraditya303
python:3.15https://github.com/python/cpython/tree/3.15
miss-islington:backport-cde31ec-3.15https://github.com/miss-islington/cpython/tree/backport-cde31ec-3.15
https://github.com/miss-islington
miss-islingtonhttps://github.com/miss-islington
Jul 16, 2026https://github.com/python/cpython/pull/153790#issue-4897901264
Please reload this pagehttps://github.com/python/cpython/pull/153790
cde31echttps://github.com/python/cpython/commit/cde31ec135905472f1137dddcc8227af2430d89c
Data race in _PyImport_SetDLOpenFlags when sys.setdlopenflags() is called concurrently #151644https://github.com/python/cpython/issues/151644
Please reload this pagehttps://github.com/python/cpython/pull/153790
https://github.com/zangjiucheng
https://github.com/claude
https://github.com/miss-islington
pythongh-151644https://github.com/python/cpython/issues/151644
: Fix data race in sys.setdlopenflags/getdlopenflags u…https://github.com/python/cpython/pull/153790/commits/7bec86d9f1480e69504a523352aa3b61e94c8075
7bec86dhttps://github.com/python/cpython/pull/153790/commits/7bec86d9f1480e69504a523352aa3b61e94c8075
pythongh-151768https://github.com/python/cpython/pull/151768
cde31echttps://github.com/miss-islington/cpython/commit/cde31ec135905472f1137dddcc8227af2430d89c
https://github.com/miss-islington
miss-islingtonhttps://github.com/miss-islington
FFY00https://github.com/FFY00
brettcannonhttps://github.com/brettcannon
ericsnowcurrentlyhttps://github.com/ericsnowcurrently
kumaraditya303https://github.com/kumaraditya303
ncoghlanhttps://github.com/ncoghlan
warsawhttps://github.com/warsaw
code ownershttps://github.com/python/cpython/blob/fd4c7a8d4d46c9b7db920a6b766d367ab22e6a1c/.github/CODEOWNERS#L265
July 16, 2026 01:47https://github.com/python/cpython/pull/153790#event-28045990540
Data race in _PyImport_SetDLOpenFlags when sys.setdlopenflags() is called concurrently #151644 https://github.com/python/cpython/issues/151644
gh-151644: Fix data race in sys.setdlopenflags/getdlopenflags under free-threading #151768 https://github.com/python/cpython/pull/151768
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
topic-free-threading https://github.com/python/cpython/issues?q=state%3Aopen%20label%3Atopic-free-threading
awaiting review https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20review%22
Jul 16, 2026https://github.com/python/cpython/pull/153790#event-28045994916
https://github.com/nascheme
naschemehttps://github.com/nascheme
Jul 16, 2026 https://github.com/python/cpython/pull/153790#ref-issue-4886172131
Backport free-threading memory-safety fixes to 3.14 and 3.15 #153714 https://github.com/python/cpython/issues/153714
https://github.com/kumaraditya303
kumaraditya303https://github.com/kumaraditya303
9fcebd3https://github.com/python/cpython/commit/9fcebd38b5f8f733ed74b9724477381617f19711
Jul 16, 2026https://github.com/python/cpython/pull/153790#event-28063704282
Please reload this pagehttps://github.com/python/cpython/pull/153790
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
awaiting review https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20review%22
Jul 16, 2026https://github.com/python/cpython/pull/153790#event-28063706232
https://github.com/miss-islington
miss-islingtonhttps://github.com/miss-islington
July 16, 2026 10:23https://github.com/python/cpython/pull/153790#event-28063707633
https://github.co/hiddenchars
https://github.com/python/cpython/pull/{{ revealButtonHref }}
Sign up for freehttps://github.com/join?source=comment-repo
Sign in to commenthttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F153790
https://github.com/brettcannon
brettcannon https://github.com/brettcannon
https://github.com/ericsnowcurrently
ericsnowcurrently https://github.com/ericsnowcurrently
https://github.com/ncoghlan
ncoghlan https://github.com/ncoghlan
https://github.com/warsaw
warsaw https://github.com/warsaw
https://github.com/FFY00
FFY00 https://github.com/FFY00
https://github.com/kumaraditya303
kumaraditya303 https://github.com/kumaraditya303
topic-free-threading https://github.com/python/cpython/issues?q=state%3Aopen%20label%3Atopic-free-threading
Please reload this pagehttps://github.com/python/cpython/pull/153790
https://github.com/miss-islington
https://github.com/kumaraditya303
https://github.com/zangjiucheng
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width


URLs of crawlers that visited me.