[Fuchsia] Disable dart:io exit() (flutter#4080)

Eistrong · Sep 11, 2017 · 2abd7c8 · 2abd7c8
1 parent 51f1260
commit 2abd7c8
Show file tree

Hide file tree

Showing 2 changed files with 9 additions and 0 deletions.
diff --git a/content_handler/runtime_holder.cc b/content_handler/runtime_holder.cc
@@ -364,6 +364,7 @@ void RuntimeHolder::DidCreateMainIsolate(Dart_Isolate isolate) {
 void RuntimeHolder::InitDartIoInternal() {
   Dart_Handle io_lib = Dart_LookupLibrary(ToDart("dart:io"));
 
+  // Set up the namespace.
   Dart_Handle namespace_type =
       Dart_GetType(io_lib, ToDart("_Namespace"), 0, nullptr);
   DART_CHECK_VALID(namespace_type);
@@ -372,6 +373,13 @@ void RuntimeHolder::InitDartIoInternal() {
   DART_CHECK_VALID(namespace_args[0]);
   DART_CHECK_VALID(Dart_Invoke(
       namespace_type, ToDart("_setupNamespace"), 1, namespace_args));
+
+  // Disable dart:io exit()
+  Dart_Handle embedder_config_type =
+      Dart_GetType(io_lib, ToDart("_EmbedderConfig"), 0, nullptr);
+  DART_CHECK_VALID(embedder_config_type);
+  DART_CHECK_VALID(
+      Dart_SetField(embedder_config_type, ToDart("_mayExit"), Dart_False()));
 }
 
 void RuntimeHolder::InitFuchsia() {

diff --git a/runtime/dart_vm_entry_points_fuchsia.txt b/runtime/dart_vm_entry_points_fuchsia.txt
@@ -1,5 +1,6 @@
 dart:fuchsia,::,_environment
 dart:fuchsia,::,_outgoingServices
+dart:io,_EmbedderConfig,_mayExit
 dart:io,_Namespace,_setupNamespace
 dart:mozart.internal,::,_context
 dart:mozart.internal,::,_viewContainer