Function tcp_err

components/net/lwip/lwip-2.1.2/src/core/tcp.c:2056–2064

* @ingroup tcp_raw * Used to specify the function that should be called when a fatal error * has occurred on the connection. * * If a connection is aborted because of an error, the application is * alerted of this event by the err callback. Errors that might abort a * connection are when there is a shortage of memory. The callback * function to be called is set using the tcp_err() function

 *        has occurred on the connection
 */
void
tcp_err(struct tcp_pcb *pcb, tcp_err_fn err)
{
  LWIP_ASSERT_CORE_LOCKED();
  if (pcb != NULL) {
    LWIP_ASSERT("invalid socket state for err callback", pcb->state != LISTEN);
    pcb->errf = err;
  }
}

/**
 * @ingroup tcp_raw