Function tcp_backlog_delayed

components/net/lwip/lwip-2.1.2/src/core/tcp.c:293–305

@ingroup tcp_raw * Delay accepting a connection in respect to the listen backlog: * the number of outstanding connections is increased until * tcp_backlog_accepted() is called. * * ATTENTION: the caller is responsible for calling tcp_backlog_accepted() * or else the backlog feature will get out of sync! * * @param pcb the connection pcb which is not fully accepted yet */

 * @param pcb the connection pcb which is not fully accepted yet
 */
void
tcp_backlog_delayed(struct tcp_pcb *pcb)
{
  LWIP_ASSERT("pcb != NULL", pcb != NULL);
  LWIP_ASSERT_CORE_LOCKED();
  if ((pcb->flags & TF_BACKLOGPEND) == 0) {
    if (pcb->listener != NULL) {
      pcb->listener->accepts_pending++;
      LWIP_ASSERT("accepts_pending != 0", pcb->listener->accepts_pending != 0);
      tcp_set_flags(pcb, TF_BACKLOGPEND);
    }
  }
}

/** @ingroup tcp_raw
 * A delayed-accept a connection is accepted (or closed/aborted): decreases