Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/Hosting/ProcessHostFactoryHelper.cs

@@ -0,0 +1,53 @@
+//------------------------------------------------------------------------------
+// <copyright file="ApplicationManager.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+namespace System.Web.Hosting {
+    using System;
+    using System.Collections;
+    using System.Configuration;
+    using System.Runtime.InteropServices;  
+    using System.Security.Permissions;
+    using System.Web;
+    using System.Web.Configuration;
+    using System.Web.Util;
+    
+
+    [ComImport, Guid("02fd465d-5c5d-4b7e-95b6-82faa031b74a"), InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]
+    public interface IProcessHostFactoryHelper {
+
+#if FEATURE_PAL // FEATURE_PAL does not enable COM
+        [return: MarshalAs(UnmanagedType.Error)] 
+#else // FEATURE_PAL
+        [return: MarshalAs(UnmanagedType.Interface)]
+#endif // FEATURE_PAL
+
+        Object GetProcessHost(IProcessHostSupportFunctions functions);
+    }
+
+    public sealed class ProcessHostFactoryHelper : MarshalByRefObject, IProcessHostFactoryHelper {
+
+        public ProcessHostFactoryHelper() {
+        }
+
+
+        [SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.Infrastructure)]
+        public override Object InitializeLifetimeService() {
+            return null; // never expire lease
+        }
+
+
+        public Object GetProcessHost(IProcessHostSupportFunctions functions) {
+            try {
+                return ProcessHost.GetProcessHost(functions);
+            }
+            catch(Exception e) {
+                Misc.ReportUnhandledException(e, new string[] {SR.GetString(SR.Cant_Create_Process_Host)});
+                throw;
+            }
+        }
+    }
+}
+