TST,BUG: Use fork context to fix MacOS savez test #22221
Merged
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Backport of #22204.
Why the test failed
fork
tospawn
on macOSfork
on other Unix platforms[1], causing inconsistency on memory sharing modeltest_large_zip
on macOS as the memory sharing model betweenspawn
andfork
is differentThe fix
fork
under this testcase contextspawn
for macOS will not be triggeredtest_large_zip
test_large_zip
is passed on macOSCloses gh-22203.