Add an interface for an embedder to provide information about native

src/heap.h

Index: src/heap.h
diff --git a/src/heap.h b/src/heap.h
index 163eb04448328452f01b55a2edf0c5be98d6f816..79bfca5afd470a33ef9a391944c72ededf7a793a 100644
--- a/src/heap.h
+++ b/src/heap.h
@@ -1141,6 +1141,14 @@ class Heap : public AllStatic {
 
   static GCTracer* tracer() { return tracer_; }
 
+  static void call_global_gc_prologue_callback() {

[Vitaly Repeshko, 2011/03/09 14:15:49]

CallGlobalGCPrologueCallback()

[mnaganov (inactive), 2011/03/09 15:26:32]

Done.

+    if (global_gc_prologue_callback_ != NULL) global_gc_prologue_callback_();
+  }
+
+  static void call_global_gc_epilogue_callback() {

[Vitaly Repeshko, 2011/03/09 14:15:49]

CallGlobalGCEpilogueCallback()

[mnaganov (inactive), 2011/03/09 15:26:32]

Done.

+    if (global_gc_epilogue_callback_ != NULL) global_gc_epilogue_callback_();
+  }
+
  private:
   static int reserved_semispace_size_;
   static int max_semispace_size_;