alamb commented on code in PR #16883:
URL: https://github.com/apache/datafusion/pull/16883#discussion_r2228155310
##########
datafusion/common-runtime/src/common.rs:
##########
@@ -82,6 +82,23 @@ impl<R: 'static> SpawnedTask<R> {
}
})
}
+
+ /// Joins the task using a mutable reference and unwinds the panic if it
happens.
Review Comment:
Could you also document what happens if `join_unwind_mut` is called twice on
the same task?
##########
datafusion/common-runtime/src/common.rs:
##########
@@ -82,6 +82,23 @@ impl<R: 'static> SpawnedTask<R> {
}
})
}
+
+ /// Joins the task using a mutable reference and unwinds the panic if it
happens.
+ ///
+ /// This method is similar to [`join_unwind`](Self::join_unwind), but
takes a mutable
+ /// reference instead of consuming `self`. This allows the `SpawnedTask`
to remain
+ /// usable after the call, though once a task completes, subsequent calls
will continue
+ /// to return the same `JoinError`.
+ pub async fn join_unwind_mut(&mut self) -> Result<R, JoinError> {
+ self.await.map_err(|e| {
Review Comment:
To avoid code duplication, perhaps we could change `join_unwind` to call
`join_unwind_mut` ?
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