Added method to IsolateVisitor to check for special isolates (i.e., service / vm isolates) since th…

runtime/lib/vmservice.cc

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/bootstrap_natives.h"
 #include "vm/dart_api_impl.h"
 #include "vm/datastream.h"
 #include "vm/exceptions.h"
 #include "vm/flags.h"
 #include "vm/growable_array.h"
@@ skipping 33 matching lines @@
     // Get function.
     const String& function_name =
         String::Handle(String::New("_registerIsolate"));
     ASSERT(!function_name.IsNull());
     register_function_ = library.LookupFunctionAllowPrivate(function_name);
     ASSERT(!register_function_.IsNull());
   }
 
   virtual void VisitIsolate(Isolate* isolate) {
     ASSERT(ServiceIsolate::IsServiceIsolate(Isolate::Current()));
-    if (ServiceIsolate::IsServiceIsolateDescendant(isolate) ||
-        (isolate == Dart::vm_isolate())) {
+    if (IsVMInternalIsolate(isolate)) {
       // We do not register the service (and descendants) or the vm-isolate.
       return;
     }
     // Setup arguments for call.
     Dart_Port port_id = isolate->main_port();
     const Integer& port_int = Integer::Handle(Integer::New(port_id));
     ASSERT(!port_int.IsNull());
     const SendPort& send_port = SendPort::Handle(SendPort::New(port_id));
     const String& name = String::Handle(String::New(isolate->name()));
     ASSERT(!name.IsNull());
@@ skipping 400 matching lines @@
     ServiceEvent spawn_event(NULL, ServiceEvent::kIsolateSpawn);
     spawn_event.set_spawn_token(&token);
     spawn_event.set_spawn_error(&String::Cast(result));
     Service::HandleEvent(&spawn_event);
   }
 #endif  // PRODUCT
   return Object::null();
 }
 
 }  // namespace dart