Imported Upstream version 5.16.0.100

Former-commit-id: 38faa55fb9669e35e7d8448b15c25dc447f25767

mcs/class/corlib/corert/Interop.MemAllocFree.cs

@@ -1,21 +0,0 @@
-
-using System;
-
-internal static partial class Interop
-{
-    internal static IntPtr MemAlloc(UIntPtr sizeInBytes)
-    {
-        if (Environment.IsRunningOnWindows)
-            return Windows_MemAlloc(sizeInBytes);
-        else
-            return Unix_MemAlloc(sizeInBytes);
-    }
-
-    internal static void MemFree(IntPtr allocatedMemory)
-    {
-        if (Environment.IsRunningOnWindows)
-            Windows_MemFree(allocatedMemory);
-        else
-            Unix_MemFree(allocatedMemory);
-    }
-}

mcs/class/corlib/corert/Interop.cs

@@ -1,14 +0,0 @@
-
-using System;
-
-internal partial class Interop
-{
-	internal partial class mincore
-	{
-		static mincore()
-		{
-			if (!Environment.IsRunningOnWindows)
-				throw new PlatformNotSupportedException();
-		}
-	}
-}

mcs/class/corlib/corert/PreAllocatedOverlapped.platformnotsupported.cs

@@ -0,0 +1,15 @@
+namespace System.Threading
+{
+	public sealed class PreAllocatedOverlapped : IDisposable
+	{
+		[CLSCompliant (false)]
+		public unsafe PreAllocatedOverlapped (IOCompletionCallback callback, object state, object pinData)
+		{
+			throw new PlatformNotSupportedException ();
+		}
+
+		public void Dispose ()
+		{
+		}
+	}
+}

mcs/class/corlib/corert/RuntimeThread.cs

@@ -3,7 +3,7 @@ using System.Threading;
 
 namespace Internal.Runtime.Augments
 {
-	class RuntimeThread
+	sealed class RuntimeThread
 	{
 		readonly Thread thread;
 
@@ -33,5 +33,11 @@ namespace Internal.Runtime.Augments
 			Thread.SpinWait (iterations);
 			return true;
 		}
+
+		public static int GetCurrentProcessorId ()
+		{
+			// TODO: Implement correctly
+			return 1;
+		}
 	}
 }

mcs/class/corlib/corert/Stream.cs

@@ -1,5 +1,6 @@
 using System.Threading;
 using System.Threading.Tasks;
+using System.Runtime.InteropServices;
 
 namespace System.IO
 {
@@ -15,16 +16,19 @@ namespace System.IO
 			throw new NotImplementedException ();
 		}
 
-		public virtual ValueTask<int> ReadAsync(Memory<byte> destination, CancellationToken cancellationToken = default(CancellationToken))
+		public virtual ValueTask<int> ReadAsync (Memory<byte> destination, CancellationToken cancellationToken = default(CancellationToken))
 		{
-			if (destination.TryGetArray (out ArraySegment<byte> array))
+			if (MemoryMarshal.TryGetArray (destination, out ArraySegment<byte> array))
 				return new ValueTask<int> (ReadAsync (array.Array, array.Offset, array.Count, cancellationToken));
 
 			throw new NotImplementedException ();
 		}
 
-		public virtual Task WriteAsync (ReadOnlyMemory<byte> source, CancellationToken cancellationToken = default(CancellationToken))
+		public virtual ValueTask WriteAsync (ReadOnlyMemory<byte> source, CancellationToken cancellationToken = default(CancellationToken))
 		{
+			if (MemoryMarshal.TryGetArray (source, out ArraySegment<byte> array))
+				return new ValueTask (WriteAsync (array.Array, array.Offset, array.Count, cancellationToken));
+
 			throw new NotImplementedException ();
 		}
 	}

mcs/class/corlib/corert/ThreadPoolBoundHandle.platformnotsupported.cs

@@ -1,5 +1,3 @@
-#if !MULTIPLEX_OS
-
 namespace System.Threading
 {
 	public sealed class ThreadPoolBoundHandle : IDisposable
@@ -48,18 +46,4 @@ namespace System.Threading
 			throw new PlatformNotSupportedException ();
 		}
 	}
-
-	public sealed partial class PreAllocatedOverlapped : IDisposable
-	{
-		[System.CLSCompliantAttribute (false)]
-		public PreAllocatedOverlapped (System.Threading.IOCompletionCallback callback, object state, object pinData)
-		{
-			throw new PlatformNotSupportedException ();
-		}
-
-		public void Dispose ()
-		{
-		}
-	}
 }
-#endif