registerHook method

void registerHook(
  1. ShutdownHook hook
)

Implementation

void registerHook(ShutdownHook hook) {
  if (_isShuttingDown || _isShutdown) {
    throw StateError('Cannot register hooks during shutdown');
  }
  _hooks[hook.phase]!.add(hook);
  _hooks[hook.phase]!.sort((a, b) => b.critical ? 1 : -1);
}