- Make sure to prepare all threads for GC.

runtime/vm/gc_marker.cc

 // Copyright (c) 2011, 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/gc_marker.h"
 
 #include <map>
 #include <utility>
 #include <vector>
 
 #include "vm/allocation.h"
 #include "vm/dart_api_state.h"
 #include "vm/isolate.h"
 #include "vm/log.h"
 #include "vm/pages.h"
 #include "vm/raw_object.h"
 #include "vm/stack_frame.h"
 #include "vm/store_buffer.h"
 #include "vm/thread_barrier.h"
 #include "vm/thread_pool.h"
+#include "vm/thread_registry.h"
 #include "vm/visitor.h"
 #include "vm/object_id_ring.h"
 
 namespace dart {
 
 DEFINE_FLAG(int, marker_tasks, 2,
             "The number of tasks to spawn during old gen GC marking (0 means "
             "perform all marking on main thread).");
 DEFINE_FLAG(bool, log_marker_tasks, false,
             "Log debugging information for old gen GC marking tasks.");
@@ skipping 446 matching lines @@
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MarkingWeakVisitor);
 };
 
 
 void GCMarker::Prologue(Isolate* isolate, bool invoke_api_callbacks) {
   if (invoke_api_callbacks && (isolate->gc_prologue_callback() != NULL)) {
     (isolate->gc_prologue_callback())();
   }
-  Thread::PrepareForGC();
+  isolate->thread_registry()->PrepareForGC();
   // The store buffers will be rebuilt as part of marking, reset them now.
   isolate->store_buffer()->Reset();
 }
 
 
 void GCMarker::Epilogue(Isolate* isolate, bool invoke_api_callbacks) {
   if (invoke_api_callbacks && (isolate->gc_epilogue_callback() != NULL)) {
     (isolate->gc_epilogue_callback())();
   }
 }
@@ skipping 242 matching lines @@
       barrier.Exit();
     }
     delay_set.ClearReferences();
     ProcessWeakTables(page_space);
     ProcessObjectIdTable(isolate);
   }
   Epilogue(isolate, invoke_api_callbacks);
 }
 
 }  // namespace dart