[issue39244] multiprocessing.get_all_start_methods() wrong default on macOS

miss-islington added the comment: New changeset 1c88bf8541e6fa292f1578144add17d3672c5fcf by Miss Islington (bot) in branch '3.9': bpo-39244: multiprocessing return default start method first on macOS (GH-18625) https://github.com/python/cpython/commit/1c88bf8541e6fa292f1578144add17d3672c5fcf

[issue39244] multiprocessing.get_all_start_methods() wrong default on macOS

miss-islington added the comment: New changeset 285ff63351bb5a42099527c283f65434e761be83 by Miss Islington (bot) in branch '3.8': bpo-39244: multiprocessing return default start method first on macOS (GH-18625) https://github.com/python/cpython/commit/285ff63351bb5a42099527c283f65434e761be83

[issue39244] multiprocessing.get_all_start_methods() wrong default on macOS

Tal Einat added the comment: Thanks for fixing this, Ido! -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker ___

[issue39244] multiprocessing.get_all_start_methods() wrong default on macOS

Change by miss-islington : -- nosy: +miss-islington nosy_count: 5.0 -> 6.0 pull_requests: +19688 pull_request: https://github.com/python/cpython/pull/20431 ___ Python tracker

[issue39244] multiprocessing.get_all_start_methods() wrong default on macOS

Change by miss-islington : -- pull_requests: +19689 pull_request: https://github.com/python/cpython/pull/20432 ___ Python tracker ___

[issue39244] multiprocessing.get_all_start_methods() wrong default on macOS

Tal Einat added the comment: New changeset db098bc1f05bd0773943e59f83489f05f28dedf8 by idomic in branch 'master': bpo-39244: multiprocessing return default start method first on macOS (GH-18625) https://github.com/python/cpython/commit/db098bc1f05bd0773943e59f83489f05f28dedf8 --

[issue39244] multiprocessing.get_all_start_methods() wrong default on macOS

Change by Tal Einat : -- versions: +Python 3.10 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue39244] multiprocessing.get_all_start_methods() wrong default on macOS

Ido Michael added the comment: Fixed Tal's comments, I took the darwin if check out of the reduction.HAVE_SEND_HANDLE, also fixed the test -- ___ Python tracker ___

[issue39244] multiprocessing.get_all_start_methods() wrong default on macOS

Ido Michael added the comment: Created a new clean PR GH-18625 -- ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue39244] multiprocessing.get_all_start_methods() wrong default on macOS

Change by Ido Michael : -- pull_requests: +17990 pull_request: https://github.com/python/cpython/pull/18625 ___ Python tracker ___

[issue39244] multiprocessing.get_all_start_methods() wrong default on macOS

Ido Michael added the comment: Fixed the bug to default any macos into 'spawn' PR: GH-18529 -- nosy: +Ido Michael ___ Python tracker ___

[issue39244] multiprocessing.get_all_start_methods() wrong default on macOS

Change by Ido Michael : -- keywords: +patch pull_requests: +17905 stage: needs patch -> patch review pull_request: https://github.com/python/cpython/pull/18529 ___ Python tracker

[issue39244] multiprocessing.get_all_start_methods() wrong default on macOS

Tal Einat added the comment: Good catch, Stefen! This seems like we forgot to update multiprocessing.get_all_start_methods() when making the change to make "spawn" the default on macOS. I suggest updating it accordingly. -- keywords: +newcomer friendly nosy: +taleinat stage: ->

[issue39244] multiprocessing.get_all_start_methods() wrong default on macOS

Change by Ned Deily : -- components: -macOS nosy: +davin, pitrou -ned.deily, ronaldoussoren versions: +Python 3.9 ___ Python tracker ___

[issue39244] multiprocessing.get_all_start_methods() wrong default on macOS

New submission from Stefan Holek : In Python 3.8 the default start method has changed from fork to spawn on macOS. https://docs.python.org/3/whatsnew/3.8.html#multiprocessing get_all_start_methods() says: "Returns a list of the supported start methods, the first of which is the default."