Initial checkin of gRPC to third_party/

third_party/grpc/src/csharp/Grpc.Core/Internal/CompletionQueueEvent.cs

Index: third_party/grpc/src/csharp/Grpc.Core/Internal/CompletionQueueEvent.cs
diff --git a/third_party/protobuf/csharp/src/Google.Protobuf.Test/SampleEnum.cs b/third_party/grpc/src/csharp/Grpc.Core/Internal/CompletionQueueEvent.cs
similarity index 71%
copy from third_party/protobuf/csharp/src/Google.Protobuf.Test/SampleEnum.cs
copy to third_party/grpc/src/csharp/Grpc.Core/Internal/CompletionQueueEvent.cs
index 77447afa127340046298081d9bfca4dd51c14f6c..36a92ecd8e8197b0855c36943d3942a425076771 100644
--- a/third_party/protobuf/csharp/src/Google.Protobuf.Test/SampleEnum.cs
+++ b/third_party/grpc/src/csharp/Grpc.Core/Internal/CompletionQueueEvent.cs
@@ -1,7 +1,7 @@
 #region Copyright notice and license
-// Protocol Buffers - Google's data interchange format
-// Copyright 2015 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
+
+// Copyright 2015-2016, Google Inc.
+// All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
@@ -28,15 +28,32 @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 #endregion
-    
-namespace Google.Protobuf
+
+using System;
+using System.Runtime.InteropServices;
+
+namespace Grpc.Core.Internal
 {
-    // Just a sample enum with positive and negative values to be used in tests.
-    internal enum SampleEnum
+    /// <summary>
+    /// grpc_event from grpc/grpc.h
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential)]
+    internal struct CompletionQueueEvent
     {
-        NegativeValue = -2,
-        None = 0,
-        PositiveValue = 3
+        static readonly NativeMethods Native = NativeMethods.Get();
+
+        public GRPCCompletionType type;
+        public int success;
+        public IntPtr tag;
+
+        internal static int NativeSize
+        {
+            get
+            {
+                return Native.grpcsharp_sizeof_grpc_event();
+            }
+        }
     }
 }