Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/mscorlib/system/timeoutexception.cs

@@ -0,0 +1,47 @@
+// ==++==
+// 
+//   Copyright (c) Microsoft Corporation.  All rights reserved.
+// 
+// ==--==
+/*=============================================================================
+**
+** Class: TimeoutException
+**
+**
+** Purpose: Exception class for Timeout
+**
+**
+=============================================================================*/
+
+namespace System 
+{
+    using System.Runtime.Serialization;
+
+    [Serializable]
+[System.Runtime.InteropServices.ComVisible(true)]
+    public class TimeoutException : SystemException {
+        
+        public TimeoutException() 
+            : base(Environment.GetResourceString("Arg_TimeoutException")) {
+            SetErrorCode(__HResults.COR_E_TIMEOUT);
+        }
+    
+        public TimeoutException(String message) 
+            : base(message) {
+            SetErrorCode(__HResults.COR_E_TIMEOUT);
+        }
+        
+        public TimeoutException(String message, Exception innerException)
+            : base(message, innerException) {
+            SetErrorCode(__HResults.COR_E_TIMEOUT);
+        }
+    
+        //
+        //This constructor is required for serialization.
+        //
+        protected TimeoutException(SerializationInfo info, StreamingContext context) 
+            : base(info, context) {
+        }
+    }
+}
+