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+.. SPDX-License-Identifier: CC-BY-SA-4.0
+
+.. Copyright (C) 1988, 2018 On-Line Applications Research Corporation (OAR)
+
+Introduction
+============
+
+The barrier manager provides a unique synchronization capability which can be
+used to have a set of tasks block and be unblocked as a set. The directives
+provided by the barrier manager are:
+
+- :ref:`rtems_barrier_create`
+
+- :ref:`rtems_barrier_ident`
+
+- :ref:`rtems_barrier_delete`
+
+- :ref:`rtems_barrier_wait`
+
+- :ref:`rtems_barrier_release`