From 5e55a5414a58fbafeb53ac869190515bb7be9e83 Mon Sep 17 00:00:00 2001
From: Eric Bowden <eric.bowden@weareadaptive.com>
Date: Mon, 4 May 2026 09:37:09 -0500
Subject: [PATCH] Added a missing "else" in AgentRunner.close() to match Java
 and avoid an NPE if an AgentRunner was created, never started, and then
 closed.

---
 src/Adaptive.Agrona/Concurrent/AgentRunner.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Adaptive.Agrona/Concurrent/AgentRunner.cs b/src/Adaptive.Agrona/Concurrent/AgentRunner.cs
index 73533ad8..bc1e8127 100644
--- a/src/Adaptive.Agrona/Concurrent/AgentRunner.cs
+++ b/src/Adaptive.Agrona/Concurrent/AgentRunner.cs
@@ -191,7 +191,7 @@ public void Dispose()
                     _errorHandler.OnError(ex);
                 }
             }
-            if (TOMBSTONE != thread)
+            else if (TOMBSTONE != thread)
             {
                 while (true)
                 {