Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/mscorlib/system/threading/lockrecursionexception.cs

@@ -0,0 +1,38 @@
+// ==++==
+// 
+//   Copyright (c) Microsoft Corporation.  All rights reserved.
+// 
+// ==--==
+/*============================================================
+//
+// Class: LockRecursionException
+//
+//
+// Purpose: 
+// This exception represents a failed attempt to recursively
+// acquire a lock, because the particular lock kind doesn't
+// support it in its current state.
+//
+// <OWNER>[....]</OWNER>
+// <OWNER>[....]</OWNER>
+//
+============================================================*/
+
+namespace System.Threading
+{
+    using System;
+    using System.Runtime.Serialization;
+    using System.Runtime.CompilerServices;
+
+    [Serializable]
+    [System.Security.Permissions.HostProtection(MayLeakOnAbort = true)]
+    [TypeForwardedFrom("System.Core, Version=3.5.0.0, Culture=Neutral, PublicKeyToken=b77a5c561934e089")]
+    public class LockRecursionException : System.Exception
+    {
+        public LockRecursionException() { }
+        public LockRecursionException(string message) : base(message) { }
+        protected LockRecursionException(SerializationInfo info, StreamingContext context) : base(info, context) { }
+        public LockRecursionException(string message, Exception innerException) : base(message, innerException) { }
+    }
+
+}