Add PlatformNotSupportedException for SyncStream due to dotnet/corert…

…#3251
marek-safar · May 30, 2018 · a813fc2 · a813fc2
1 parent 78fbc8e
commit a813fc2
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/System.Private.CoreLib/shared/System/IO/Stream.cs b/src/System.Private.CoreLib/shared/System/IO/Stream.cs
@@ -1237,6 +1237,9 @@ public override int ReadByte()
 
             public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, Object state)
             {
+#if CORERT
+                throw new PlatformNotSupportedException(); // TODO: https://github.com/dotnet/corert/issues/3251
+#else
                 bool overridesBeginRead = _stream.HasOverriddenBeginEndRead();
 
                 lock (_stream)
@@ -1251,6 +1254,7 @@ public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, Asy
                         _stream.BeginRead(buffer, offset, count, callback, state) :
                         _stream.BeginReadInternal(buffer, offset, count, callback, state, serializeAsynchronously: true, apm: true);
                 }
+#endif
             }
 
             public override int EndRead(IAsyncResult asyncResult)
@@ -1294,6 +1298,9 @@ public override void WriteByte(byte b)
 
             public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback callback, Object state)
             {
+#if CORERT
+                throw new PlatformNotSupportedException(); // TODO: https://github.com/dotnet/corert/issues/3251
+#else
                 bool overridesBeginWrite = _stream.HasOverriddenBeginEndWrite();
 
                 lock (_stream)
@@ -1308,6 +1315,7 @@ public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, As
                         _stream.BeginWrite(buffer, offset, count, callback, state) :
                         _stream.BeginWriteInternal(buffer, offset, count, callback, state, serializeAsynchronously: true, apm: true);
                 }
+#endif
             }
 
             public override void EndWrite(IAsyncResult asyncResult)