add NoOpLock

src/Adaptive.Agrona/Adaptive.Agrona.csproj

@@ -127,6 +127,7 @@
     <Compile Include="IMutableDirectBuffer.cs" />
     <Compile Include="IManagedResource.cs" />
     <Compile Include="IoUtil.cs" />
+    <Compile Include="Concurrent\NoOpLock.cs" />
     <Compile Include="Objects.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Concurrent\SystemEpochClock.cs" />

src/Adaptive.Agrona/Concurrent/NoOpLock.cs

@@ -0,0 +1,18 @@
+namespace Adaptive.Agrona.Concurrent
+{
+    public class NoOpLock : ILock
+    {
+        public void Lock()
+        {
+        }
+
+        public void Unlock()
+        {
+        }
+
+        public bool TryLock()
+        {
+            return true;
+        }
+    }
+}