From 758d2df9c1a78bf172d46f0a40db816a881a28a9 Mon Sep 17 00:00:00 2001
From: Bernard Normier <bernard@zeroc.com>
Date: Wed, 12 Feb 2020 11:44:39 -0500
Subject: Added missing synchronization in GetHashCode

---
 csharp/src/Ice/IPEndpointI.cs | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

(limited to 'csharp/src')

diff --git a/csharp/src/Ice/IPEndpointI.cs b/csharp/src/Ice/IPEndpointI.cs
index d04b5d91d54..3d3c280f6b7 100644
--- a/csharp/src/Ice/IPEndpointI.cs
+++ b/csharp/src/Ice/IPEndpointI.cs
@@ -243,14 +243,17 @@ namespace IceInternal
 
         public override int GetHashCode()
         {
-            if(!_hashInitialized)
+            lock (this)
             {
-                _hashValue = 5381;
-                HashUtil.hashAdd(ref _hashValue, type());
-                hashInit(ref _hashValue);
-                _hashInitialized = true;
+                if(!_hashInitialized)
+                {
+                    _hashValue = 5381;
+                    HashUtil.hashAdd(ref _hashValue, type());
+                    hashInit(ref _hashValue);
+                    _hashInitialized = true;
+                }
+                return _hashValue;
             }
-            return _hashValue;
         }
 
         public override int CompareTo(EndpointI obj)
-- 
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