DDtKey commented on code in PR #9422:
URL: https://github.com/apache/arrow-datafusion/pull/9422#discussion_r1510010180
##########
datafusion/common_runtime/src/common.rs:
##########
@@ -51,10 +51,22 @@ impl<R: 'static> SpawnedTask<R> {
Self { inner }
}
+ /// Joins the task, returning the result of join (`Result<R, JoinError>`).
pub async fn join(mut self) -> Result<R, JoinError> {
self.inner
.join_next()
.await
.expect("`SpawnedTask` instance always contains exactly 1 task")
}
+
+ /// Joins the task and unwinds the panic if it happens.
+ pub async fn join_unwind(self) -> R {
+ self.join().await.unwrap_or_else(|e| {
+ if e.is_panic() {
+ std::panic::resume_unwind(e.into_panic());
+ } else {
+ unreachable!();
Review Comment:
I've updated this block, because actually it's really confusing. Added some
notes to code
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