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Handle transient shared-memory directory state during named mutex open/create#130061
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Co-authored-by: jkotas <6668460+jkotas@users.noreply.github.com>
Co-authored-by: jkotas <6668460+jkotas@users.noreply.github.com>
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[WIP] Fix failing CrossProcess_NamedMutex_ConcurrentCreateOrOpen test in CI
Handle transient shared-memory directory state during named mutex open/create
Jul 1, 2026
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Co-authored-by: jkotas <6668460+jkotas@users.noreply.github.com>
jkotas
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AaronRobinsonMSFT
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Co-authored-by: jkotas <6668460+jkotas@users.noreply.github.com>
jkotas
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Co-authored-by: jkotas <6668460+jkotas@users.noreply.github.com>
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This was referenced Jul 3, 2026
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/ba-g infrastructure timeouts, no failures in extra platforms related to the fix (too many failures in extra platforms for BA to analyze) |
jkotas
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MutexTests.CrossProcess_NamedMutex_ConcurrentCreateOrOpenwas failing in CI on Unix when one process observed/tmp/.dotnet*/shmbetween directory creation and final ownership/permission normalization. This change makes named mutex shared-memory directory validation tolerate that transient state instead of failing the open/create path.Directory race handling
SharedMemoryHelpers.EnsureDirectoryExistswith the same short transient retry model already used for shared-memory files.stat/validation sees a directory before the creating process has finished applying the expected owner or mode.Failure modes addressed
Fixes #130056