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.. Copyright (C) 2020, 2021 embedded brains GmbH (http://www.embedded-brains.de)
.. Copyright (C) 1988, 2008 On-Line Applications Research Corporation (OAR)

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.. Generated from spec:/rtems/sem/if/group

.. _SemaphoreManagerIntroduction:

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

.. The following list was generated from:
.. spec:/rtems/sem/if/create
.. spec:/rtems/sem/if/ident
.. spec:/rtems/sem/if/delete
.. spec:/rtems/sem/if/obtain
.. spec:/rtems/sem/if/release
.. spec:/rtems/sem/if/flush
.. spec:/rtems/sem/if/set-priority

The Semaphore Manager utilizes standard Dijkstra counting semaphores to provide
synchronization and mutual exclusion capabilities. The directives provided by
the Semaphore Manager are:

* :ref:`InterfaceRtemsSemaphoreCreate` - Creates a semaphore.

* :ref:`InterfaceRtemsSemaphoreIdent` - Identifies a semaphore by the object
  name.

* :ref:`InterfaceRtemsSemaphoreDelete` - Deletes the semaphore.

* :ref:`InterfaceRtemsSemaphoreObtain` - Obtains the semaphore.

* :ref:`InterfaceRtemsSemaphoreRelease` - Releases the semaphore.

* :ref:`InterfaceRtemsSemaphoreFlush` - Flushes the semaphore.

* :ref:`InterfaceRtemsSemaphoreSetPriority` - Sets the priority by scheduler
  for the semaphore.