- Pass the knowledge whether the old GC is compacting to the GC prologue and ...

src/v8threads.cc

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 250 matching lines @@
   for (ThreadState* state = ThreadState::FirstInUse();
        state != NULL;
        state = state->Next()) {
     char* data = state->data();
     data = HandleScopeImplementer::Iterate(v, data);
     data = Top::Iterate(v, data);
   }
 }
 
 
-void ThreadManager::MarkCompactPrologue() {
+void ThreadManager::MarkCompactPrologue(bool is_compacting) {
   for (ThreadState* state = ThreadState::FirstInUse();
        state != NULL;
        state = state->Next()) {
     char* data = state->data();
     data += HandleScopeImplementer::ArchiveSpacePerThread();
-    Top::MarkCompactPrologue(data);
+    Top::MarkCompactPrologue(is_compacting, data);
   }
 }
 
 
-void ThreadManager::MarkCompactEpilogue() {
+void ThreadManager::MarkCompactEpilogue(bool is_compacting) {
   for (ThreadState* state = ThreadState::FirstInUse();
        state != NULL;
        state = state->Next()) {
     char* data = state->data();
     data += HandleScopeImplementer::ArchiveSpacePerThread();
-    Top::MarkCompactEpilogue(data);
+    Top::MarkCompactEpilogue(is_compacting, data);
   }
 }
 
 
 // This is the ContextSwitcher singleton. There is at most a single thread
 // running which delivers preemption events to V8 threads.
 ContextSwitcher* ContextSwitcher::singleton_ = NULL;
 
 
 ContextSwitcher::ContextSwitcher(int every_n_ms)
@@ skipping 47 matching lines @@
 // Acknowledge the preemption by the receiving thread.
 void ContextSwitcher::PreemptionReceived() {
   ASSERT(Locker::IsLocked());
   // There is currently no accounting being done for this. But could be in the
   // future, which is why we leave this in.
 }
 
 
 }  // namespace internal
 }  // namespace v8