Implement safepointing of threads

runtime/vm/exceptions_test.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 "platform/assert.h"
 #include "vm/dart_api_impl.h"
 #include "vm/unit_test.h"
 
 namespace dart {
@@ skipping 61 matching lines @@
   int argument_count_;
 } BuiltinEntries[] = {
   UNHANDLED_NATIVE_LIST(REGISTER_FUNCTION)
 };
 
 
 static Dart_NativeFunction native_lookup(Dart_Handle name,
                                          int argument_count,
                                          bool* auto_setup_scope) {
   ASSERT(auto_setup_scope != NULL);
-  *auto_setup_scope = false;
+  *auto_setup_scope = true;
   const Object& obj = Object::Handle(Api::UnwrapHandle(name));
   ASSERT(obj.IsString());
   const char* function_name = obj.ToCString();
   ASSERT(function_name != NULL);
   int num_entries = sizeof(BuiltinEntries) / sizeof(struct NativeEntries);
   for (int i = 0; i < num_entries; i++) {
     struct NativeEntries* entry = &(BuiltinEntries[i]);
     if (!strcmp(function_name, entry->name_) &&
         (argument_count == entry->argument_count_)) {
       return reinterpret_cast<Dart_NativeFunction>(entry->function_);
@@ skipping 33 matching lines @@
       "  UnhandledExceptions.equals(2, Second.method1(1));\n"
       "  UnhandledExceptions.equals(3, Second.method3(1));\n"
       "}";
   Dart_Handle lib = TestCase::LoadTestScript(
       kScriptChars,
       reinterpret_cast<Dart_NativeEntryResolver>(native_lookup));
   EXPECT_VALID(Dart_Invoke(lib, NewString("testMain"), 0, NULL));
 }
 
 }  // namespace dart