--- /dev/null
+//
+// System.Runtime.TargetedPatchingOptOutAttribute
+//
+// Author: Paolo Molaro (lupus@ximian.com)
+//
+// Copyright (C) 2010 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+
+using System;
+using System.Runtime.InteropServices;
+
+#if NET_4_0
+
+namespace System.Runtime.CompilerServices {
+
+ [AttributeUsage (AttributeTargets.Constructor|AttributeTargets.Method, AllowMultiple=false, Inherited = false)]
+ public sealed class TargetedPatchingOptOutAttribute : Attribute
+ {
+ string reason;
+
+ public TargetedPatchingOptOutAttribute () : this ("") {
+ }
+
+ public TargetedPatchingOptOutAttribute (string reason)
+ {
+ if (reason == null)
+ throw new ArgumentNullException ("reason");
+ this.reason = reason;
+ }
+
+ public string Reason
+ {
+ get {
+ return reason;
+ }
+ }
+
+ }
+}
+
+#endif
+