From 9affbfe683ac568d89a00bf6eb20af588ccd1b03 Mon Sep 17 00:00:00 2001
From: Robin Kertels <robin.kertels@gmail.com>
Date: Sun, 29 Jan 2023 16:16:29 +0100
Subject: [PATCH] WorkQueueThread: Implement proper Flush

and rename the existing Flush to FlushOne.
---
 Source/Core/Common/WorkQueueThread.h | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/Source/Core/Common/WorkQueueThread.h b/Source/Core/Common/WorkQueueThread.h
index 7d3d9395fb..2a756f3d7e 100644
--- a/Source/Core/Common/WorkQueueThread.h
+++ b/Source/Core/Common/WorkQueueThread.h
@@ -91,7 +91,7 @@ public:
   }
 
   // Doesn't return until the most recent function invocation has finished.
-  void Flush()
+  void FlushOne()
   {
     if (m_thread.joinable())
     {
@@ -101,6 +101,17 @@ public:
     }
   }
 
+  // Doesn't return until the queue is empty.
+  void Flush()
+  {
+    if (m_thread.joinable())
+    {
+      m_flush.Set();
+      m_wakeup.Set();
+      m_flushed.Wait();
+    }
+  }
+
   bool IsFlushing() const { return m_flush.IsSet() || m_shutdown.IsSet(); }
 
 private: