[release/11.0] Match old layouts and feature selection for named mutexes for cross-TFM compatibility - #134595
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[release/11.0] Match old layouts and feature selection for named mutexes for cross-TFM compatibility#134595github-actions[bot] wants to merge 1 commit into
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Tagging subscribers to this area: @dotnet/area-system-diagnostics-process |
jkoritzinsky
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Sep 24, 2026
jkotas
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Sep 24, 2026
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Tagging subscribers to this area: @JulieLeeMSFT, @VSadov |
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@jkoritzinsky, please check test failures and do ba-g if all good. |
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/ba-g WASM timeouts (this PR doesn't touch code that runs on WASM) |
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Backport of #134541 to release/11.0
/cc @jkoritzinsky
Customer Impact
Using a named mutex on Unix between .NET 11 RC1 apps and .NET 10 and lower apps results in spurious
AbandondedMutexExceptionexceptions for non-abandoned mutexes.Regression
#117635
Testing
Manual validation.
Risk
Low. Only touches Named Mutex logic.