Per-isolate v8::Locker and v8::Unlocker

src/objects.cc

 // Copyright 2011 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 4931 matching lines @@
 }
 
 
 // Reserve space for statics needing saving and restoring.
 int Relocatable::ArchiveSpacePerThread() {
   return sizeof(Isolate::Current()->relocatable_top());
 }
 
 
 // Archive statics that are thread local.
-char* Relocatable::ArchiveState(char* to) {
-  Isolate* isolate = Isolate::Current();
+char* Relocatable::ArchiveState(Isolate* isolate, char* to) {
   *reinterpret_cast<Relocatable**>(to) = isolate->relocatable_top();
   isolate->set_relocatable_top(NULL);
   return to + ArchiveSpacePerThread();
 }
 
 
 // Restore statics that are thread local.
-char* Relocatable::RestoreState(char* from) {
-  Isolate* isolate = Isolate::Current();
+char* Relocatable::RestoreState(Isolate* isolate, char* from) {
   isolate->set_relocatable_top(*reinterpret_cast<Relocatable**>(from));
   return from + ArchiveSpacePerThread();
 }
 
 
 char* Relocatable::Iterate(ObjectVisitor* v, char* thread_storage) {
   Relocatable* top = *reinterpret_cast<Relocatable**>(thread_storage);
   Iterate(v, top);
   return thread_storage + ArchiveSpacePerThread();
 }
@@ skipping 5344 matching lines @@
   if (break_point_objects()->IsUndefined()) return 0;
   // Single beak point.
   if (!break_point_objects()->IsFixedArray()) return 1;
   // Multiple break points.
   return FixedArray::cast(break_point_objects())->length();
 }
 #endif
 
 
 } }  // namespace v8::internal