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

runtime/vm/dart_api_impl.cc

Index: runtime/vm/dart_api_impl.cc
diff --git a/runtime/vm/dart_api_impl.cc b/runtime/vm/dart_api_impl.cc
index b282bf2fd913c338eba9f83747b290160c139391..e7d538c024a0844926a9752fe806ac8b2068451d 100644
--- a/runtime/vm/dart_api_impl.cc
+++ b/runtime/vm/dart_api_impl.cc
@@ -28,6 +28,8 @@
 
 namespace dart {
 
+ThreadLocalKey Api::api_native_key_ = Thread::kUnsetThreadLocalKey;
+
 const char* CanonicalFunction(const char* func) {
   if (strncmp(func, "dart::", 6) == 0) {
     return func + 6;
@@ -237,6 +239,13 @@ uword Api::Reallocate(uword ptr, intptr_t old_size, intptr_t new_size) {
 }
 
 
+void Api::InitOnce() {
+  ASSERT(api_native_key_ == Thread::kUnsetThreadLocalKey);
+  api_native_key_ = Thread::CreateThreadLocal();
+  ASSERT(api_native_key_ != Thread::kUnsetThreadLocalKey);
+}
+
+
 // --- Handles ---
 
 
@@ -2437,5 +2446,4 @@ DART_EXPORT void Dart_GetPprofSymbolInfo(void** buffer, int* buffer_size) {
   }
 }
 
-
 }  // namespace dart