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GeezerVison is showing github.com — gh-128642: Add free threading glossary of building blocks to InternalDocs by overlorde · Pull Request #144644 · python/cpython

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@overlorde

@overlorde overlorde commented Feb 10, 2026

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Summary

  • Adds InternalDocs/free_threading.md — a glossary of the low-level building blocks used in free-threaded CPython
  • Covers: object header layout, biased reference counting, critical sections, PyMutex, immortalization, deferred refcounting, GC bit flags, atomic operations, and QSBR (cross-reference)
  • Adds link to the new document in InternalDocs/README.md

Closes gh-128642.

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@overlorde
pythongh-128642: Add free threading glossary of building blocks to In…
5598717 
…ternalDocs
@overlorde
overlorde requested a review from AA-Turner as a code owner February 10, 2026 05:43
@bedevere-app bedevere-app Bot added awaiting review docs Documentation in the Doc dir skip news labels Feb 10, 2026
@bedevere-app bedevere-app Bot mentioned this pull request Feb 10, 2026
Free threading glossary of building blocks #128642
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@github-project-automation github-project-automation Bot moved this to Todo in Docs PRs Feb 10, 2026
@github-project-automation github-project-automation Bot added this to Docs PRs Feb 10, 2026
@overlorde

overlorde commented Feb 11, 2026

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Claiming the issue. Hope this works! Thanks.
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@kumaraditya303
kumaraditya303 requested a review from colesbury April 5, 2026 10:11
@github-actions

github-actions Bot commented May 6, 2026

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This PR is stale because it has been open for 30 days with no activity.
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@github-actions github-actions Bot added the stale Stale PR or inactive for long period of time. label May 6, 2026
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@AA-Turner AA-Turner Awaiting requested review from AA-Turner AA-Turner is a code owner
@colesbury colesbury Awaiting requested review from colesbury

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awaiting review docs Documentation in the Doc dir skip news stale Stale PR or inactive for long period of time.

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Free threading glossary of building blocks

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@overlorde
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