func()

in client.go [450:467]


func (c *client) stop() {
	select {
	case <-c.done:
		return
	default:
		c.Once.Do(func() {
			close(c.done)
			c.Lock()
			for s := range c.ssMap {
				s.RemoveAttribute(sessionClientKey)
				s.Close()
			}
			c.ssMap = nil

			c.Unlock()
		})
	}
}