.. SPDX-License-Identifier: CC-BY-SA-4.0 .. Copyright (C) 1988, 2008 On-Line Applications Research Corporation (OAR) Operations ========== Announcing a Packet ------------------- The ``rtems_multiprocessing_announce`` directive is called by the MPCI layer to inform RTEMS that a packet has arrived from another node. This directive can be called from an interrupt service routine or from within a polling routine.