gh-141860: Add on_error= keyword arg to `multiprocessing.set_forkserver_preload` - #141859

Merged

gpshead merged 21 commits into

python:mainfrom

gpshead:claude/forkserver-raise-exceptions-019rrqWeqQGL2zKWava8nshj

Jan 18, 2026

Commits on Nov 23, 2025

Add raise_exceptions parameter to multiprocessing.set_forkserver_preload

committed
8b7c3ee
Skip forkserver preload tests on platforms without fork support

gpshead
and
claude
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e8836d5
Skip all forkserver tests on platforms without fork support

gpshead
and
claude
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5ce91ba
Refactor set_forkserver_preload to use on_error parameter

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75495cc
Fix unused import and make __notes__ test more robust
gpshead
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84c9e5b
Fix warn mode to work when warnings are configured as errors
gpshead
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a399218
Change __main__ warning message from 'import' to 'preload'
gpshead
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9c3ba84
Refactor set_forkserver_preload to use _handle_preload helper
gpshead
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70c05d8
Simplify temporary file handling in tests
gpshead
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045be92
Remove obvious comments and improve import style in tests
gpshead
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6d4c521
Fix warn mode to work when warnings are configured as errors
gpshead
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30c2cf8
Add comments explaining exception catching strategy
gpshead
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bad9691
Use double quotes for string values in documentation
gpshead
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9d8125f
Fix warn mode to work when warnings are configured as errors
gpshead
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2f8edb8
Add Gregory P. Smith to NEWS entry contributors
gpshead
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622345d
Simplify comments and exception note message
gpshead
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42e8eb1
Update _send_value docstring to explain pickling requirement
gpshead
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64ca5a0

Commits on Jan 14, 2026