1 files changed, 20 insertions, 0 deletions
diff --git a/src/System.Private.CoreLib/src/Internal/Runtime/Augments/RuntimeThread.Unix.cs b/src/System.Private.CoreLib/src/Internal/Runtime/Augments/RuntimeThread.Unix.cs
index 7b9d380e7..bc3a042eb 100644
--- a/src/System.Private.CoreLib/src/Internal/Runtime/Augments/RuntimeThread.Unix.cs
+++ b/src/System.Private.CoreLib/src/Internal/Runtime/Augments/RuntimeThread.Unix.cs
@@ -144,6 +144,14 @@ namespace Internal.Runtime.Augments
             return IntPtr.Zero;
         }
 
+        private void InitializeComOnNewThread()
+        {
+        }
+
+        internal static void InitializeCom()
+        {
+        }
+
         public void Interrupt() => WaitSubsystem.Interrupt(this);
         internal static void UninterruptibleSleep0() => WaitSubsystem.UninterruptibleSleep0();
         private static void SleepInternal(int millisecondsTimeout) => WaitSubsystem.Sleep(millisecondsTimeout);
@@ -159,5 +167,17 @@ namespace Internal.Runtime.Augments
         {
             throw new PlatformNotSupportedException();
         }
+
+        private static int ComputeCurrentProcessorId()
+        {
+            int processorId = Interop.Sys.SchedGetCpu();
+
+            // sched_getcpu doesn't exist on all platforms. On those it doesn't exist on, the shim
+            // returns -1.  As a fallback in that case and to spread the threads across the buckets
+            // by default, we use the current managed thread ID as a proxy.
+            if (processorId < 0) processorId = Environment.CurrentManagedThreadId;
+
+            return processorId;
+        }
     }
 }