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….19 (#216) * v23/context: fix goroutine leak in WithRootCancel (#214) Whenever a child context is created via `WithRootCancel`, a goroutine spawns to gracefully handle closing the child context whenever the root context gets canceled. However, the current implementation leaks goroutines whenever the child context exits before the root context exits. This pull request looks to fix the problem by exiting the goroutine whenever the child context is done. See `TestRootCancelGoroutineLeak` for the reproduction use case and test that demonstrates the leak. This is also easily visible via `pprof` using the `goroutine` module. Co-authored-by: Richard Huang <rhuang@grailbio.com> * v23/context: fix lint complaint (#215) Co-authored-by: Richard Huang <richhx@gmail.com> Co-authored-by: Richard Huang <rhuang@grailbio.com>
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