From 6fb91e661c0db8680b3a3bc69f34a9eb1fcc1ff5 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max.kellermann@ionos.com>
Date: Mon, 20 Jan 2025 18:38:34 +0100
Subject: [PATCH] io/uring/Queue: DispatchCompletions() returns bool
---
src/io/uring/Queue.hxx | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/src/io/uring/Queue.hxx b/src/io/uring/Queue.hxx
index 9410c6a8e..0f5f8c0da 100644
--- a/src/io/uring/Queue.hxx
+++ b/src/io/uring/Queue.hxx
@@ -64,12 +64,28 @@ public:
ring.Submit();
}
+ /**
+ * @return true if a completion was dispatched, false if the
+ * completion queue was empty
+ */
bool DispatchOneCompletion();
- void DispatchCompletions() {
- while (DispatchOneCompletion()) {}
+ /**
+ * @return true if at least one completion was dispatched,
+ * false if the completion queue was empty
+ */
+ bool DispatchCompletions() {
+ bool result = false;
+ while (DispatchOneCompletion()) {
+ result = true;
+ }
+ return result;
}
+ /**
+ * @return true if a completion was dispatched, false if the
+ * completion queue was empty
+ */
bool WaitDispatchOneCompletion();
void WaitDispatchCompletions() {