1 #region Copyright notice and license 2 3 // Copyright 2015 gRPC authors. 4 // 5 // Licensed under the Apache License, Version 2.0 (the "License"); 6 // you may not use this file except in compliance with the License. 7 // You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, software 12 // distributed under the License is distributed on an "AS IS" BASIS, 13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 // See the License for the specific language governing permissions and 15 // limitations under the License. 16 17 #endregion 18 19 using System; 20 using System.Runtime.InteropServices; 21 22 namespace Grpc.Core.Internal 23 { 24 /// <summary> 25 /// grpc_event from grpc/grpc.h 26 /// </summary> 27 [StructLayout(LayoutKind.Sequential)] 28 internal struct CompletionQueueEvent 29 { 30 static readonly NativeMethods Native = NativeMethods.Get(); 31 32 public CompletionType type; 33 public int success; 34 public IntPtr tag; 35 36 internal static int NativeSize 37 { 38 get 39 { 40 return Native.grpcsharp_sizeof_grpc_event(); 41 } 42 } 43 44 /// <summary> 45 /// grpc_completion_type from grpc/grpc.h 46 /// </summary> 47 internal enum CompletionType 48 { 49 /* Shutting down */ 50 Shutdown, 51 52 /* No event before timeout */ 53 Timeout, 54 55 /* operation completion */ 56 OpComplete 57 } 58 } 59 } 60