[vs18.0] Exit DrainPacketQueue thread when build completes.#12765
Merged
rainersigwald merged 3 commits intovs18.0from Nov 14, 2025
Merged
[vs18.0] Exit DrainPacketQueue thread when build completes.#12765rainersigwald merged 3 commits intovs18.0from
rainersigwald merged 3 commits intovs18.0from
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Erarndt
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SimaTian
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rainersigwald
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This was referenced Nov 14, 2025
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Backport of #12561 to vs18.0
Work item (Internal use): devdiv#2613541
Summary
MSBuild communications threads were incorrectly not exiting when builds completed.
Customer Impact
Memory leak that gets worse with each build or design-time build operation.
Regression?
Yes, from 17.14.
Testing
Unit tests, manual testing, already inserted into 18.3 builds.
Risk
Low.