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test: remove churn() task from lifo_stealable #8070

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Merged
hawkw merged 1 commit into from
Apr 20, 2026
+0 −13
Merged

test: remove churn() task from lifo_stealable #8070

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13 changes: 0 additions & 13 deletions tokio/tests/rt_threaded.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -730,18 +730,6 @@ fn lifo_stealable() {
.unwrap();

rt.block_on(async {
// Keep the runtime busy so that the workers that might steal the
// blocked task don't all park themselves forever.
//
// Since this task will always be woken by whichever worker is holding
// the time driver, rather than a worker that's executing tasks, it
// shouldn't ever kick the victim task out of its worker's LIFO slot.
let churn = tokio::spawn(async move {
loop {
tokio::time::sleep(Duration::from_millis(4)).await;
}
});

let victim_task_joined = tokio::spawn(async move {
println!("[victim] task started");
task_started_tx.send(()).unwrap();
Expand Down Expand Up @@ -791,7 +779,6 @@ fn lifo_stealable() {
// Before possibly panicking, make sure that we wake up the blocker task
// so that it doesn't stop the runtime from shutting down.
block_thread_tx.send(()).unwrap();
churn.abort();
result
.expect("task in LIFO slot should complete within 30 seconds")
.expect("task in LIFO slot should not panic");
Expand Down