Update

Kha/Backends/Kore-hxcpp/khacpp/tools/hxcpp/Tools.hx

@@ -0,0 +1,14 @@
+class Tools {
+  private static var onExit:Array<Int->Void> = [];
+
+  public static function addOnExitHook(fn:Int->Void) {
+    onExit.push(fn);
+  }
+
+  public static function exit(exitCode:Int) {
+    for (hook in onExit) {
+      hook(exitCode);
+    }
+    Sys.exit(exitCode);
+  }
+}