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NethermindEth · Mar 6, 2024 · 62a3866 · 62a3866
1 parent 101108f
commit 62a3866
Showing 1 changed file with 11 additions and 5 deletions.
diff --git a/src/Nethermind/Nethermind.Synchronization/ParallelSync/MultiSyncModeSelector.cs b/src/Nethermind/Nethermind.Synchronization/ParallelSync/MultiSyncModeSelector.cs
@@ -278,13 +278,19 @@ private void UpdateSyncModes(SyncMode newModes, string? reason = null)
             // for example when switching to Full sync we need to ensure that we safely transition
             // DBS and processors if needed
 
-            Preparing?.Invoke(this, args);
-            Changing?.Invoke(this, args);
+            ParallelInvoke(Preparing, args);
+            ParallelInvoke(Changing, args);
             Current = newModes;
-            if (Changed is not null)
+            ParallelInvoke(Changed, args);
+
+            void ParallelInvoke(EventHandler<SyncModeChangedEventArgs> handler, SyncModeChangedEventArgs args)
             {
-                Parallel.ForEach(Changed.GetInvocationList(),
-                    deleg => deleg.DynamicInvoke(this, args));
+                EventHandler<SyncModeChangedEventArgs> handlerCopy = handler;
+                if (handlerCopy is not null)
+                {
+                    Parallel.ForEach(handlerCopy.GetInvocationList(),
+                        deleg => deleg.DynamicInvoke(this, args));
+                }
             }
         }