zanmato1984 commented on code in PR #47386:
URL: https://github.com/apache/arrow/pull/47386#discussion_r2360359903
##########
cpp/src/arrow/acero/concurrent_queue_internal.h:
##########
@@ -164,10 +168,14 @@ class BackpressureConcurrentQueue : public
ConcurrentQueue<T> {
ConcurrentQueue<T>::ClearUnlocked();
}
- Status ForceShutdown() { return handler_.ForceShutdown(); }
+ void ForceShutdown() {
+ shutdown_ = true;
+ Clear();
+ }
private:
BackpressureHandler handler_;
+ bool shutdown_{false};
Review Comment:
Is it safe to be a plain variable rather than an atomic one?
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