text: #ifndef NOTIFICATOR_H
  #define NOTIFICATOR_H
  
  
  #include <aos/waitset.h>
  #include <aos/aos.h>
  #include <aos/dispatch.h>
  
  typedef bool (*check_notification_fn_type)(void *object);
  
  struct notificator
  {
      struct notificator *prev, *next;
      void *object;
      check_notification_fn_type can_read, can_write;
      struct waitset_chanstate ready_to_read, ready_to_write;
  };
  
  
  void notificator_init(struct notificator *notificator, void *object,
      check_notification_fn_type can_read, check_notification_fn_type can_write);
  
  void check_notificators_disabled(dispatcher_handle_t handle);
  
  #endif
  