/* Try to post a callback-message to the tcpip_thread mbox This is intended to be used to send "static" messages from interrupt context. */
err_t tcpip_trycallback(struct tcpip_callback_msg *msg)
/* Try to post a callback-message to the tcpip_thread mbox This is intended to be used to send "static" messages from interrupt context. */
err_t tcpip_trycallback(struct tcpip_callback_msg *msg)
{
  LWIP_ASSERT("Invalid mbox", sys_mbox_valid_val(mbox));
  return sys_mbox_trypost(&mbox, msg);
}