René's URL Explorer Experiment


Title: gh-135871: Fix needless spinning in _PyMutex_LockTimed (timeout==0) by jtibbertsma · Pull Request #135872 · python/cpython · GitHub

Open Graph Title: gh-135871: Fix needless spinning in _PyMutex_LockTimed (timeout==0) by jtibbertsma · Pull Request #135872 · python/cpython

X Title: gh-135871: Fix needless spinning in _PyMutex_LockTimed (timeout==0) by jtibbertsma · Pull Request #135872 · python/cpython

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

Open Graph Description: Move the timeout == 0 guard outside the else so a non-blocking call returns immediately after a failed CAS instead of entering the spin loop. Reload v on every spin iteration, allowing timed/blocki...

X Description: Move the timeout == 0 guard outside the else so a non-blocking call returns immediately after a failed CAS instead of entering the spin loop. Reload v on every spin iteration, allowing timed/blocki...

Opengraph URL: https://github.com/python/cpython/pull/135872

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository/pull/:id/checks(.:format)
route-controllerpull_requests
route-actionchecks
fetch-noncev2:3295d4df-a5e0-5996-2c15-846a59bdffa7
current-catalog-service-hash87dc3bc62d9b466312751bfd5f889726f4f1337bdff4e8be7da7c93d6c00a25a
request-id88FC:24E7C6:DF9C1:131F27:6A51CF70
html-safe-nonceab9726635b4b9072d8a6ea49fb43d3ad20eb316a9afe1b9cf244a46c276b9344
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI4OEZDOjI0RTdDNjpERjlDMToxMzFGMjc6NkE1MUNGNzAiLCJ2aXNpdG9yX2lkIjoiNTE4Njk1MDY0NTU5NzQ1ODI4OCIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmac32c41c97e9e26c59647aacf4653b85688466feba7b0755db6fcd6573fca4292d
hovercard-subject-tagpull_request:2613157961
github-keyboard-shortcutsrepository,pull-request-list,pull-request-conversation,pull-request-files-changed,checks,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///pull_requests/show/checks
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/python/cpython/pull/135872/checks
twitter:imagehttps://opengraph.githubassets.com/dfaf4895192dd3ee7e00e79a8a33c42e71426c263e369d581d900c0c23a0d68e/python/cpython/pull/135872
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/dfaf4895192dd3ee7e00e79a8a33c42e71426c263e369d581d900c0c23a0d68e/python/cpython/pull/135872
og:image:altMove the timeout == 0 guard outside the else so a non-blocking call returns immediately after a failed CAS instead of entering the spin loop. Reload v on every spin iteration, allowing timed/blocki...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamejtibbertsma
hostnamegithub.com
expected-hostnamegithub.com
Noneb9a586c06a05a7a86fc7e3f4dbd03e42f6869085879aa184aa6369456dbd50fb
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
release7aed05249554b889eb33d002851a973eebcc7e91
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/135872/checks#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F135872%2Fchecks
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%2F135872%2Fchecks
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%2Fpull_requests%2Fshow%2Fchecks&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://github.com/python/cpython/pull/135872/checks
Reloadhttps://github.com/python/cpython/pull/135872/checks
Reloadhttps://github.com/python/cpython/pull/135872/checks
Please reload this pagehttps://github.com/python/cpython/pull/135872/checks
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/135872/checks
Notifications https://github.com/login?return_to=%2Fpython%2Fcpython
Fork 35k https://github.com/login?return_to=%2Fpython%2Fcpython
Star 73.7k 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
colesburyhttps://github.com/colesbury
python:mainhttps://github.com/python/cpython/tree/main
jtibbertsma:fix-issue-135871https://github.com/jtibbertsma/cpython/tree/fix-issue-135871
Conversationhttps://github.com/python/cpython/pull/135872
Commits5 (5)https://github.com/python/cpython/pull/135872/commits
Checkshttps://github.com/python/cpython/pull/135872/checks
Files changedhttps://github.com/python/cpython/pull/135872/files
gh-135871: Fix needless spinning in _PyMutex_LockTimed (timeout==0)https://github.com/python/cpython/pull/135872/checks#top
colesburyhttps://github.com/colesbury
python:mainhttps://github.com/python/cpython/tree/main
jtibbertsma:fix-issue-135871https://github.com/jtibbertsma/cpython/tree/fix-issue-135871
Please reload this pagehttps://github.com/python/cpython/pull/135872/checks
Sign in for the full log viewhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F135872%2Fchecks
Lint on: pull_request https://github.com/python/cpython/actions/runs/15881597470
lint https://github.com/python/cpython/actions/runs/15881597470/job/44783119753?pr=135872
Check labels on: pull_request https://github.com/python/cpython/actions/runs/15881597483
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/15881597483/job/44783119662?pr=135872
Unresolved review https://github.com/python/cpython/actions/runs/15881597483/job/44783119707?pr=135872
Tests on: pull_request https://github.com/python/cpython/actions/runs/15881597495
Change detection / Create context from changed files https://github.com/python/cpython/actions/runs/15881597495/job/44783119806?pr=135872
Docs / Docs https://github.com/python/cpython/actions/runs/15881597495/job/44783139026?pr=135872
Docs / Doctest https://github.com/python/cpython/actions/runs/15881597495/job/44783139032?pr=135872
Check if Autoconf files are up to date https://github.com/python/cpython/actions/runs/15881597495/job/44783138263?pr=135872
Check if generated files are up to date https://github.com/python/cpython/actions/runs/15881597495/job/44783138294?pr=135872
Windows / Build and test (x64) https://github.com/python/cpython/actions/runs/15881597495/job/44783138755?pr=135872
Windows (free-threading) / Build and test (x64) https://github.com/python/cpython/actions/runs/15881597495/job/44783138760?pr=135872
Windows / Build and test (Win32) https://github.com/python/cpython/actions/runs/15881597495/job/44783138747?pr=135872
Windows / Build and test (arm64) https://github.com/python/cpython/actions/runs/15881597495/job/44783138779?pr=135872
Windows (free-threading) / Build and test (arm64) https://github.com/python/cpython/actions/runs/15881597495/job/44783138773?pr=135872
Windows MSI${{ '' }} https://github.com/python/cpython/actions/runs/15881597495/job/44783138457?pr=135872
macOS / build and test (ghcr.io/cirruslabs/macos-runner:sonoma) https://github.com/python/cpython/actions/runs/15881597495/job/44783138975?pr=135872
macOS (free-threading) / build and test (ghcr.io/cirruslabs/macos-runner:sonoma) https://github.com/python/cpython/actions/runs/15881597495/job/44783138997?pr=135872
macOS / build and test (macos-13) https://github.com/python/cpython/actions/runs/15881597495/job/44783139001?pr=135872
Ubuntu / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/15881597495/job/44783139050?pr=135872
Ubuntu / build and test (ubuntu-24.04-arm) https://github.com/python/cpython/actions/runs/15881597495/job/44783139051?pr=135872
Ubuntu (free-threading) / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/15881597495/job/44783139069?pr=135872
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm) https://github.com/python/cpython/actions/runs/15881597495/job/44783139073?pr=135872
Ubuntu (bolt) / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/15881597495/job/44783139074?pr=135872
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.0.16) https://github.com/python/cpython/actions/runs/15881597495/job/44783138415?pr=135872
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.1.8) https://github.com/python/cpython/actions/runs/15881597495/job/44783138430?pr=135872
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.2.4) https://github.com/python/cpython/actions/runs/15881597495/job/44783138422?pr=135872
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.3.3) https://github.com/python/cpython/actions/runs/15881597495/job/44783138425?pr=135872
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.4.1) https://github.com/python/cpython/actions/runs/15881597495/job/44783138436?pr=135872
WASI / build and test https://github.com/python/cpython/actions/runs/15881597495/job/44783138680?pr=135872
Hypothesis tests on Ubuntu https://github.com/python/cpython/actions/runs/15881597495/job/44783138447?pr=135872
Address sanitizer (ubuntu-24.04) https://github.com/python/cpython/actions/runs/15881597495/job/44783138456?pr=135872
Thread sanitizer / Thread sanitizer https://github.com/python/cpython/actions/runs/15881597495/job/44783139085?pr=135872
Thread sanitizer (free-threading) / Thread sanitizer https://github.com/python/cpython/actions/runs/15881597495/job/44783139088?pr=135872
Undefined behavior sanitizer / Undefined behavior sanitizer https://github.com/python/cpython/actions/runs/15881597495/job/44783138668?pr=135872
Cross build Linux https://github.com/python/cpython/actions/runs/15881597495/job/44783138416?pr=135872
CIFuzz https://github.com/python/cpython/actions/runs/15881597495/job/44783138446?pr=135872
All required checks pass https://github.com/python/cpython/actions/runs/15881597495/job/44785011606?pr=135872
Check labels on: pull_request https://github.com/python/cpython/actions/runs/15882139029
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/15882139029/job/44785029283?pr=135872
Unresolved review https://github.com/python/cpython/actions/runs/15882139029/job/44785029293?pr=135872
Check labels on: pull_request https://github.com/python/cpython/actions/runs/15882142343
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/15882142343/job/44785040028?pr=135872
Unresolved review https://github.com/python/cpython/actions/runs/15882142343/job/44785040016?pr=135872
Check labels on: pull_request https://github.com/python/cpython/actions/runs/15882234750
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/15882234750/job/44785362460?pr=135872
Unresolved review https://github.com/python/cpython/actions/runs/15882234750/job/44785362471?pr=135872
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.