From 6f315691da46b12d1b1728fd8643e36e2de97a78 Mon Sep 17 00:00:00 2001
From: mgravell <marc.gravell@gmail.com>
Date: Tue, 2 Jul 2019 13:57:50 +0100
Subject: [PATCH 1/2] remove boxing of Timespec caused by Equals usage

---
 src/csharp/Grpc.Core/Internal/Timespec.cs | 44 ++++++++++++++++++++++-
 1 file changed, 43 insertions(+), 1 deletion(-)

diff --git a/src/csharp/Grpc.Core/Internal/Timespec.cs b/src/csharp/Grpc.Core/Internal/Timespec.cs
index 71628d50642..ac7b2f720fe 100644
--- a/src/csharp/Grpc.Core/Internal/Timespec.cs
+++ b/src/csharp/Grpc.Core/Internal/Timespec.cs
@@ -25,8 +25,50 @@ namespace Grpc.Core.Internal
     /// gpr_timespec from grpc/support/time.h
     /// </summary>
     [StructLayout(LayoutKind.Sequential)]
-    internal struct Timespec
+    internal struct Timespec : IEquatable<Timespec>
     {
+        /// <summary>
+        /// Indicates whether this instance and a specified object are equal.
+        /// </summary>
+        public override bool Equals(object obj)
+        {
+            return obj is Timespec && Equals((Timespec)obj);
+        }
+
+        /// <summary>
+        /// Returns the hash code for this instance.
+        /// </summary>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                const int Prime = 373587911;
+                int i = (int)clock_type;
+                i = (i * Prime) ^ tv_nsec;
+                i = (i * Prime) ^ tv_nsec.GetHashCode();
+                return i;
+            }
+        }
+
+        /// <summary>
+        /// Returns the full type name of this instance.
+        /// </summary>
+        public override string ToString()
+        {
+            base.ToString();
+            return typeof(Timespec).FullName;
+        }
+
+        /// <summary>
+        /// Indicates whether this instance and a specified object are equal.
+        /// </summary>
+        public bool Equals(Timespec other)
+        {
+            return this.clock_type == other.clock_type
+                && this.tv_nsec == other.tv_nsec
+                && this.tv_sec == other.tv_sec;
+        }
+
         const long NanosPerSecond = 1000 * 1000 * 1000;
         const long NanosPerTick = 100;
         const long TicksPerSecond = NanosPerSecond / NanosPerTick;

From 746287111d207445289b6cd06a03ecf662dd3e16 Mon Sep 17 00:00:00 2001
From: mgravell <marc.gravell@gmail.com>
Date: Tue, 2 Jul 2019 14:05:50 +0100
Subject: [PATCH 2/2] (left a base-call in that I'd used to get the
 intellisense comment)

---
 src/csharp/Grpc.Core/Internal/Timespec.cs | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/csharp/Grpc.Core/Internal/Timespec.cs b/src/csharp/Grpc.Core/Internal/Timespec.cs
index ac7b2f720fe..0edaffb9f49 100644
--- a/src/csharp/Grpc.Core/Internal/Timespec.cs
+++ b/src/csharp/Grpc.Core/Internal/Timespec.cs
@@ -55,7 +55,6 @@ namespace Grpc.Core.Internal
         /// </summary>
         public override string ToString()
         {
-            base.ToString();
             return typeof(Timespec).FullName;
         }