From 9466c777be1aac835aaab82dc98b3f30eb9fc761 Mon Sep 17 00:00:00 2001
From: Sung Yoon Whang <suwhang@microsoft.com>
Date: Thu, 18 Apr 2019 15:50:48 -0700
Subject: [PATCH] disable exposing new counter types on ProjectN until they are
 propagated through the targetingpack

Commit migrated from https://github.com/dotnet/corefx/commit/33724212beccbdca43d020f595dce88e38eaab31
---
 .../System.Diagnostics.Tracing/ref/System.Diagnostics.Tracing.cs     | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/libraries/System.Diagnostics.Tracing/ref/System.Diagnostics.Tracing.cs b/src/libraries/System.Diagnostics.Tracing/ref/System.Diagnostics.Tracing.cs
index 944bc38..7637836 100644
--- a/src/libraries/System.Diagnostics.Tracing/ref/System.Diagnostics.Tracing.cs
+++ b/src/libraries/System.Diagnostics.Tracing/ref/System.Diagnostics.Tracing.cs
@@ -53,6 +53,7 @@ namespace System.Diagnostics.Tracing
         public bool DisableEvent(int eventId) { throw null; }
         public bool EnableEvent(int eventId) { throw null; }
     }
+#if !PROJECTN
     public abstract partial class DiagnosticCounter : System.IDisposable
     {
         public DiagnosticCounter(string name, System.Diagnostics.Tracing.EventSource eventSource) { }
@@ -62,13 +63,14 @@ namespace System.Diagnostics.Tracing
         public string Name { get { throw null; } }
         public System.Diagnostics.Tracing.EventSource EventSource { get { throw null; } }
     }
-
+#endif
     public partial class EventCounter : System.Diagnostics.Tracing.DiagnosticCounter
     {
         public EventCounter(string name, System.Diagnostics.Tracing.EventSource eventSource) : base(name, eventSource) { }
         public void WriteMetric(float value) { }
         public void WriteMetric(double value) { }
     }
+#if !PROJECTN
     public partial class PollingCounter : System.Diagnostics.Tracing.DiagnosticCounter
     {
         public PollingCounter(string name, System.Diagnostics.Tracing.EventSource eventSource, Func<double> metricProvider) : base(name, eventSource) { }
@@ -84,6 +86,7 @@ namespace System.Diagnostics.Tracing
         public IncrementingPollingCounter(string name, System.Diagnostics.Tracing.EventSource eventSource, Func<double> totalValueProvider) : base(name, eventSource) { }
         public TimeSpan DisplayRateTimeScale { get { throw null; } set { } }
     }
+#endif
     [System.AttributeUsageAttribute(System.AttributeTargets.Class | System.AttributeTargets.Struct, Inherited=false)]
     public partial class EventDataAttribute : System.Attribute
     {
-- 
2.7.4