Fix stderr event loss due to missing WaitForExit in DisposeProcess#1280

Merged

stephentoub merged 6 commits intomainfrom

copilot/fix-failing-job-issue

Feb 15, 2026

Commits on Feb 15, 2026

Initial plan
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Fix race condition in DisposeProcess that could skip flushing stderr events

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Remove redundant HasExited check in DisposeProcess else branch

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Always call WaitForExit() (no args) before Dispose() in DisposeProcess

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Guard WaitForExit() with HasExited check to avoid hanging if kill times out

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Only call WaitForExit() when process exited on its own, not after KillTree

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stephentoub
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