.. SPDX-License-Identifier: CC-BY-SA-4.0

.. Copyright (C) 1988, 2008 On-Line Applications Research Corporation (OAR)

Introduction
============

The signal manager provides the capabilities required for asynchronous
communication.  The directives provided by the signal manager are:

- :ref:`rtems_signal_catch`

- :ref:`rtems_signal_send`