class Puma::Server

def notify_safely(message)
  @notify << message
rescue IOError, NoMethodError, Errno::EPIPE, Errno::EBADF
  # The server, in another thread, is shutting down
rescue RuntimeError => e
  # Temporary workaround for https://bugs.ruby-lang.org/issues/13239
  if e.message.include?('IOError')
    # ignore
  else
    raise e
  end
end