Content-Length: 294363 | pFad | http://github.com/python/cpython/pull/92495

E4 [3.11] gh-90622: Do not spawn ProcessPool workers on demand via fork method. (GH-91598) by miss-islington · Pull Request #92495 · python/cpython · GitHub
Skip to content

[3.11] gh-90622: Do not spawn ProcessPool workers on demand via fork method. (GH-91598) #92495

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.

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
merged 1 commit into from
May 8, 2022

Conversation

miss-islington
Copy link
Contributor

@miss-islington miss-islington commented May 8, 2022

Do not spawn ProcessPool workers on demand when they spawn via fork.

This avoids potential deadlocks in the child processes due to forking from
a multithreaded process.
(cherry picked from commit ebb37fc)

Co-authored-by: Gregory P. Smith greg@krypto.org

Automerge-Triggered-By: GH:gpshead

…ethod. (pythonGH-91598)

Do not spawn ProcessPool workers on demand when they spawn via fork.

This avoids potential deadlocks in the child processes due to forking from
a multithreaded process.
(cherry picked from commit ebb37fc)

Co-authored-by: Gregory P. Smith <greg@krypto.org>
@miss-islington
Copy link
Contributor Author

@gpshead: Status check is done, and it's a success ✅ .

@miss-islington
Copy link
Contributor Author

@gpshead: Status check is done, and it's a success ✅ .

@bedevere-bot bedevere-bot added type-bug An unexpected behavior, bug, or error awaiting review labels May 8, 2022
@gpshead gpshead self-assigned this May 8, 2022
@gpshead gpshead merged commit 4270b79 into python:3.11 May 8, 2022
@miss-islington miss-islington deleted the backport-ebb37fc-3.11 branch May 8, 2022 17:14
@miss-islington
Copy link
Contributor Author

@gpshead: Status check is done, and it's a success ✅ .

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
type-bug An unexpected behavior, bug, or error
Projects
None yet
Development

Successfully merging this pull request may close these issues.

concurrent.futures.ProcessPoolExecutor can deadlock when tcmalloc is used
3 participants








ApplySandwichStrip

pFad - (p)hone/(F)rame/(a)nonymizer/(d)eclutterfier!      Saves Data!


--- a PPN by Garber Painting Akron. With Image Size Reduction included!

Fetched URL: http://github.com/python/cpython/pull/92495

Alternative Proxies:

Alternative Proxy

pFad Proxy

pFad v3 Proxy

pFad v4 Proxy