VM thread shutdown.

runtime/vm/dart_api_impl.cc

 // Copyright (c) 2013, 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 "include/dart_mirrors_api.h"
 #include "include/dart_native_api.h"
 
 #include "platform/assert.h"
 #include "vm/class_finalizer.h"
@@ skipping 1236 matching lines @@
   return Api::Success();
 }
 
 
 // --- Initialization and Globals ---
 
 DART_EXPORT const char* Dart_VersionString() {
   return Version::String();
 }
 
-DART_EXPORT bool Dart_Initialize(
+DART_EXPORT char* Dart_Initialize(
     const uint8_t* vm_isolate_snapshot,
     const uint8_t* instructions_snapshot,
     Dart_IsolateCreateCallback create,
     Dart_IsolateInterruptCallback interrupt,
     Dart_IsolateUnhandledExceptionCallback unhandled,
     Dart_IsolateShutdownCallback shutdown,
     Dart_FileOpenCallback file_open,
     Dart_FileReadCallback file_read,
     Dart_FileWriteCallback file_write,
     Dart_FileCloseCallback file_close,
     Dart_EntropySource entropy_source) {
   const char* err_msg = Dart::InitOnce(vm_isolate_snapshot,
                                        instructions_snapshot,
                                        create, interrupt, unhandled, shutdown,
                                        file_open, file_read, file_write,
                                        file_close, entropy_source);
   if (err_msg != NULL) {
-    OS::PrintErr("Dart_Initialize: %s\n", err_msg);
-    return false;
+    return strdup(err_msg);
   }
-  return true;
+  return NULL;
 }
 
 
-DART_EXPORT bool Dart_Cleanup() {
+DART_EXPORT char* Dart_Cleanup() {
   CHECK_NO_ISOLATE(Isolate::Current());
   const char* err_msg = Dart::Cleanup();
   if (err_msg != NULL) {
-    OS::PrintErr("Dart_Cleanup: %s\n", err_msg);
-    return false;
+    return strdup(err_msg);
   }
-  return true;
+  return NULL;
 }
 
 
 DART_EXPORT bool Dart_SetVMFlags(int argc, const char** argv) {
   return Flags::ProcessCommandLineFlags(argc, argv);
 }
 
 
 DART_EXPORT bool Dart_IsVMFlagSet(const char* flag_name) {
   return Flags::IsSet(flag_name);
@@ skipping 50 matching lines @@
 
   // Setup default flags in case none were passed.
   Dart_IsolateFlags api_flags;
   if (flags == NULL) {
     Isolate::Flags vm_flags;
     vm_flags.CopyTo(&api_flags);
     flags = &api_flags;
   }
   Isolate* I = Dart::CreateIsolate(isolate_name, *flags);
   free(isolate_name);
+  if (I == NULL) {
+    *error = strdup("Isolate creation failed");
+    return reinterpret_cast<Dart_Isolate>(NULL);
+  }
   {
     Thread* T = Thread::Current();
     StackZone zone(T);
     HANDLESCOPE(T);
     // We enter an API scope here as InitializeIsolate could compile some
     // bootstrap library files which call out to a tag handler that may create
     // Api Handles when an error is encountered.
     Dart_EnterScope();
     const Error& error_obj =
         Error::Handle(Z, Dart::InitializeIsolate(snapshot, callback_data));
@@ skipping 4563 matching lines @@
                                    ApiReallocate);
   writer.WriteFullSnapshot();
   *vm_isolate_snapshot_size = writer.VmIsolateSnapshotSize();
   *isolate_snapshot_size = writer.IsolateSnapshotSize();
   *instructions_snapshot_size = writer.InstructionsSnapshotSize();
 
   return Api::Success();
 }
 
 }  // namespace dart