Decode the Dart message into a Dart_CMessage structure before calling the native port callback

runtime/vm/dart_api_impl.cc

 // 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.
 
 #include "include/dart_api.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/dart.h"
@@ skipping 10 matching lines @@
 #include "vm/object_store.h"
 #include "vm/port.h"
 #include "vm/resolver.h"
 #include "vm/snapshot.h"
 #include "vm/stack_frame.h"
 #include "vm/timer.h"
 #include "vm/verifier.h"
 
 namespace dart {
 
+ThreadLocalKey Api::api_native_key_ = Thread::kUnsetThreadLocalKey;
+
 const char* CanonicalFunction(const char* func) {
   if (strncmp(func, "dart::", 6) == 0) {
     return func + 6;
   } else {
     return func;
   }
 }
 
 #define RETURN_TYPE_ERROR(dart_handle, Type)                                  \
   do {                                                                        \
@@ skipping 189 matching lines @@
   Isolate* isolate = Isolate::Current();
   ASSERT(isolate != NULL);
   ApiState* state = isolate->api_state();
   ASSERT(state != NULL);
   ApiLocalScope* scope = state->top_scope();
   ASSERT(scope != NULL);
   return scope->zone().Reallocate(ptr, old_size, new_size);
 }
 
 
+void Api::InitOnce() {
+  ASSERT(api_native_key_ == Thread::kUnsetThreadLocalKey);
+  api_native_key_ = Thread::CreateThreadLocal();
+  ASSERT(api_native_key_ != Thread::kUnsetThreadLocalKey);
+}
+
+
 // --- Handles ---
 
 
 DART_EXPORT bool Dart_IsError(Dart_Handle handle) {
   DARTSCOPE(Isolate::Current());
   const Object& obj = Object::Handle(Api::UnwrapHandle(handle));
   return obj.IsError();
 }
 
 
@@ skipping 2180 matching lines @@
     } else {
       *buffer = NULL;
     }
     delete debug_region;
   } else {
     *buffer = NULL;
     *buffer_size = 0;
   }
 }
 
-
 }  // namespace dart