handle dead process

cyberwow/lib/controller/process/run.dart

@@ -30,7 +30,14 @@ import '../helper.dart';
 import '../../config.dart' as config;
 import '../../logging.dart';
 
-Stream<String> runBinary (final String name, {final Stream<String> input}) async* {
+typedef IsExitingFunc = bool Function();
+
+Stream<String> runBinary
+(
+  final String name,
+  final IsExitingFunc isExiting,
+  {final Stream<String> input}
+) async* {
   final newPath = await getBinaryPath(name);
 
   final appDocDir = await getApplicationDocumentsDirectory();
@@ -78,7 +85,10 @@ Stream<String> runBinary (final String name, {final Stream<String> input}) async
 
   if (config.isEmu) return;
 
-  // the app should never reach here
+  if (!isExiting()) {
+    log.warning('process is ded');
+    exit(1);
+  }
+
   log.info('Daemon exited gracefully.');
-  // exit(0);
 }

cyberwow/lib/main.dart

@@ -130,7 +130,7 @@ class _CyberWOW_PageState extends State<CyberWOW_Page> with WidgetsBindingObserv
     SyncingState _syncingState = await _loadingState.next(loading, '');
 
     final syncing = process
-    .runBinary(binName, input: inputStreamController.stream)
+    .runBinary(binName, _isExiting, input: inputStreamController.stream)
     .asBroadcastStream();
 
     HookedState _syncedNextState = await _syncingState.next(inputStreamController.sink, syncing);
@@ -195,7 +195,7 @@ class _CyberWOW_PageState extends State<CyberWOW_Page> with WidgetsBindingObserv
     _exiting = true;
     inputStreamController.sink.add('exit');
 
-    await Future.delayed(const Duration(seconds: 10), () => null);
+    await Future.delayed(const Duration(seconds: 5), () => null);
 
     // the process controller should call exit(0) for us
     log.warning('Daemon took too long to shut down!');