Remove static initializers in v8.

src/isolate.h

 // Copyright 2012 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 430 matching lines @@
 #define DECLARE_ENUM(CamelName, hacker_name) k##CamelName##Address,
     FOR_EACH_ISOLATE_ADDRESS_NAME(DECLARE_ENUM)
 #undef C
     kIsolateAddressCount
   };
 
   // Returns the PerIsolateThreadData for the current thread (or NULL if one is
   // not currently set).
   static PerIsolateThreadData* CurrentPerIsolateThreadData() {
     return reinterpret_cast<PerIsolateThreadData*>(
-        Thread::GetThreadLocal(per_isolate_thread_data_key_));
+        Thread::GetThreadLocal(per_isolate_thread_data_key()));
   }
 
   // Returns the isolate inside which the current thread is running.
   INLINE(static Isolate* Current()) {
     Isolate* isolate = reinterpret_cast<Isolate*>(
-        Thread::GetExistingThreadLocal(isolate_key_));
+        Thread::GetExistingThreadLocal(isolate_key()));
     ASSERT(isolate != NULL);
     return isolate;
   }
 
   INLINE(static Isolate* UncheckedCurrent()) {
-    return reinterpret_cast<Isolate*>(Thread::GetThreadLocal(isolate_key_));
+    return reinterpret_cast<Isolate*>(Thread::GetThreadLocal(isolate_key()));
   }
 
   // Usually called by Init(), but can be called early e.g. to allow
   // testing components that require logging but not the whole
   // isolate.
   //
   // Safe to call more than once.
   void InitializeLoggingAndCounters();
 
   bool Init(Deserializer* des);
@@ skipping 27 matching lines @@
 #endif
 
   // Get the stack guard from the default isolate. Preinitializes the
   // default isolate if needed.
   static StackGuard* GetDefaultIsolateStackGuard();
 
   // Returns the key used to store the pointer to the current isolate.
   // Used internally for V8 threads that do not execute JavaScript but still
   // are part of the domain of an isolate (like the context switcher).
   static Thread::LocalStorageKey isolate_key() {
+    EnsureDefaultIsolate();
     return isolate_key_;
   }
 
   // Returns the key used to store process-wide thread IDs.
   static Thread::LocalStorageKey thread_id_key() {
+    EnsureDefaultIsolate();
     return thread_id_key_;
   }
 
+  static Thread::LocalStorageKey per_isolate_thread_data_key() {
+    EnsureDefaultIsolate();
+    return per_isolate_thread_data_key_;
+  }
+
+  static Isolate::ThreadDataTable* thread_data_table() {
+    EnsureDefaultIsolate();
+    return thread_data_table_;
+  }
+
   // If a client attempts to create a Locker without specifying an isolate,
   // we assume that the client is using legacy behavior. Set up the current
   // thread to be inside the implicit isolate (or fail a check if we have
   // switched to non-legacy behavior).
   static void EnterDefaultIsolate();
 
   // Mutex for serializing access to break control structures.
   Mutex* break_access() { return break_access_; }
 
   // Mutex for serializing access to debugger.
@@ skipping 545 matching lines @@
 
     int entry_count;
     PerIsolateThreadData* previous_thread_data;
     Isolate* previous_isolate;
     EntryStackItem* previous_item;
 
    private:
     DISALLOW_COPY_AND_ASSIGN(EntryStackItem);
   };
 
-  // This mutex protects highest_thread_id_, thread_data_table_ and
-  // default_isolate_.
-  static Mutex* process_wide_mutex_;
-
   static Thread::LocalStorageKey per_isolate_thread_data_key_;
   static Thread::LocalStorageKey isolate_key_;
   static Thread::LocalStorageKey thread_id_key_;
   static Isolate* default_isolate_;
   static ThreadDataTable* thread_data_table_;
 
   void Deinit();
 
   static void SetIsolateThreadLocals(Isolate* isolate,
                                      PerIsolateThreadData* data);
 
   enum State {
     UNINITIALIZED,    // Some components may not have been allocated.
     INITIALIZED       // All components are fully initialized.
   };
 
   State state_;
   EntryStackItem* entry_stack_;
 
   // Allocate and insert PerIsolateThreadData into the ThreadDataTable
   // (regardless of whether such data already exists).
   PerIsolateThreadData* AllocatePerIsolateThreadData(ThreadId thread_id);
 
   // Find the PerThread for this particular (isolate, thread) combination.
   // If one does not yet exist, allocate a new one.
   PerIsolateThreadData* FindOrAllocatePerThreadDataForThisThread();
 
-// PreInits and returns a default isolate. Needed when a new thread tries
+  // PreInits and returns a default isolate. Needed when a new thread tries
   // to create a Locker for the first time (the lock itself is in the isolate).
   static Isolate* GetDefaultIsolateForLocking();
 
   // Initializes the current thread to run this Isolate.
   // Not thread-safe. Multiple threads should not Enter/Exit the same isolate
   // at the same time, this should be prevented using external locking.
   void Enter();
 
   // Exits the current thread. The previosuly entered Isolate is restored
   // for the thread.
@@ skipping 278 matching lines @@
 
 // Mark the global context with out of memory.
 inline void Context::mark_out_of_memory() {
   global_context()->set_out_of_memory(HEAP->true_value());
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ISOLATE_H_