- Convert all isolate flags to a bit field.

runtime/vm/dart.cc

 // Copyright (c) 2013, 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/dart.h"
 
 #include "vm/become.h"
 #include "vm/clustered_snapshot.h"
 #include "vm/code_observers.h"
 #include "vm/cpu.h"
@@ skipping 100 matching lines @@
                      const uint8_t* instructions_snapshot,
                      Dart_IsolateCreateCallback create,
                      Dart_IsolateShutdownCallback shutdown,
                      Dart_IsolateCleanupCallback cleanup,
                      Dart_ThreadExitCallback thread_exit,
                      Dart_FileOpenCallback file_open,
                      Dart_FileReadCallback file_read,
                      Dart_FileWriteCallback file_write,
                      Dart_FileCloseCallback file_close,
                      Dart_EntropySource entropy_source,
-                     Dart_GetVMServiceAssetsArchive get_service_assets) {
+                     Dart_GetVMServiceAssetsArchive get_service_assets,
+                     bool start_kernel_isolate) {
   CheckOffsets();
   // TODO(iposva): Fix race condition here.
   if (vm_isolate_ != NULL || !Flags::Initialized()) {
     return strdup("VM already initialized or flags not initialized.");
   }
 #if defined(DEBUG)
   // Turn on verify_gc_contains if any of the other GC verification flag
   // is turned on.
   if (FLAG_verify_before_gc || FLAG_verify_after_gc ||
       FLAG_verify_on_transition) {
@@ skipping 168 matching lines @@
   Isolate::SetShutdownCallback(shutdown);
   Isolate::SetCleanupCallback(cleanup);
 
   if (FLAG_support_service) {
     Service::SetGetServiceAssetsCallback(get_service_assets);
   }
 
   ServiceIsolate::Run();
 
 #ifndef DART_PRECOMPILED_RUNTIME
-  KernelIsolate::Run();
+  if (start_kernel_isolate) {
+    KernelIsolate::Run();
+  }
 #endif  // DART_PRECOMPILED_RUNTIME
 
   return NULL;
 }
 
 // This waits until only the VM isolate and the service isolate remains in the
 // list, i.e. list length == 2.
 void Dart::WaitForApplicationIsolateShutdown() {
   ASSERT(!Isolate::creation_enabled_);
   MonitorLocker ml(Isolate::isolates_list_monitor_);
@@ skipping 427 matching lines @@
   ASSERT(predefined_handles_ != NULL);
   return predefined_handles_->handles_.IsValidScopedHandle(address);
 }
 
 bool Dart::IsReadOnlyApiHandle(Dart_Handle handle) {
   ASSERT(predefined_handles_ != NULL);
   return predefined_handles_->api_handles_.IsValidHandle(handle);
 }
 
 }  // namespace dart