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.. SPDX-License-Identifier: CC-BY-SA-4.0
.. Copyright (C) 1988, 2008 On-Line Applications Research Corporation (OAR)
Directives
==========
This section details the additional directives required to support RTEMS in a
multiprocessor configuration. A subsection is dedicated to each of this
manager's directives and describes the calling sequence, related constants,
usage, and status codes.
.. raw:: latex
\clearpage
.. index:: announce arrival of package
.. index:: rtems_multiprocessing_announce
.. _rtems_multiprocessing_announce:
MULTIPROCESSING_ANNOUNCE - Announce the arrival of a packet
-----------------------------------------------------------
CALLING SEQUENCE:
.. code-block:: c
void rtems_multiprocessing_announce( void );
DIRECTIVE STATUS CODES:
NONE
DESCRIPTION:
This directive informs RTEMS that a multiprocessing communications packet
has arrived from another node. This directive is called by the
user-provided MPCI, and is only used in multiprocessor configurations.
NOTES:
This directive is typically called from an ISR.
This directive will almost certainly cause the calling task to be
preempted.
This directive does not generate activity on remote nodes.
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