Move the thread local functions to the Thread class in runtime/platform

runtime/vm/isolate.h

 // Copyright (c) 2012, 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.
 
 #ifndef VM_ISOLATE_H_
 #define VM_ISOLATE_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
+#include "platform/thread.h"
 #include "vm/store_buffer.h"
 #include "vm/timer.h"
 
 namespace dart {
 
 // Forward declarations.
 class ApiState;
 class BigintStore;
 class CodeIndexTable;
 class Debugger;
 class HandleScope;
 class HandleVisitor;
 class Heap;
 class LongJump;
 class MessageHandler;
 class Mutex;
 class ObjectPointerVisitor;
 class ObjectStore;
 class RawContext;
 class RawError;
 class StackResource;
 class StubCode;
 class Zone;
 
+
 class Isolate {
  public:
   ~Isolate();
 
-  static inline Isolate* Current();
+  static inline Isolate* Current() {
+    return reinterpret_cast<Isolate*>(Thread::GetThreadLocal(isolate_key));
+  }
+
   static void SetCurrent(Isolate* isolate);
 
   static void InitOnce();
   static Isolate* Init(const char* name_prefix);
   void Shutdown();
 
   // Visit all object pointers.
   void VisitObjectPointers(ObjectPointerVisitor* visitor, bool validate_frames);
 
   void VisitWeakPersistentHandles(HandleVisitor* visitor);
@@ skipping 186 matching lines @@
   Isolate();
 
   void BuildName(const char* name_prefix);
   void PrintInvokedFunctions();
 
   static uword GetSpecifiedStackSize();
 
   static const uword kStackSizeBuffer = (128 * KB);
   static const uword kDefaultStackSize = (1 * MB);
 
+  static ThreadLocalKey isolate_key;
   StoreBufferBlock store_buffer_;
   Dart_MessageNotifyCallback message_notify_callback_;
   char* name_;
   Dart_Port main_port_;
   Heap* heap_;
   ObjectStore* object_store_;
   StackResource* top_resource_;
   RawContext* top_context_;
   Zone* current_zone_;
 #if defined(DEBUG)
@@ skipping 19 matching lines @@
   MessageHandler* message_handler_;
 
   static Dart_IsolateCreateCallback create_callback_;
   static Dart_IsolateInterruptCallback interrupt_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(Isolate);
 };
 
 }  // namespace dart
 
-#if defined(TARGET_OS_LINUX)
-#include "vm/isolate_linux.h"
-#elif defined(TARGET_OS_MACOS)
-#include "vm/isolate_macos.h"
-#elif defined(TARGET_OS_WINDOWS)
-#include "vm/isolate_win.h"
-#else
-#error Unknown target os.
-#endif
-
 #endif  // VM_ISOLATE_H_