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+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+brief: |
+ Identifies a port object by the specified object name.
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+- Copyright (C) 1988, 2008 On-Line Applications Research Corporation (OAR)
+definition:
+ default:
+ body: null
+ params:
+ - ${../../type/if/name:/name} ${.:/params[0]/name}
+ - ${../../type/if/id:/name} *${.:/params[1]/name}
+ return: ${../../status/if/code:/name}
+ variants: []
+description: |
+ This directive obtains the port identifier associated with the port name
+ specified in ``${.:/params[0]/name}``.
+enabled-by: true
+interface-type: function
+links:
+- role: interface-placement
+ uid: header
+- role: interface-ingroup
+ uid: group
+name: rtems_port_ident
+notes: |
+ If the port name is not unique, then the port identifier will match the first
+ port with that name in the search order. However, this port identifier is
+ not guaranteed to correspond to the desired port. The port identifier is
+ used with other dual-ported memory related directives to access the port.
+
+ The objects are searched from lowest to the highest index. Only the local
+ node is searched.
+params:
+- description: is the object name to look up.
+ dir: null
+ name: name
+- description: |
+ is the pointer to an object identifier variable. The object identifier of
+ an object with the specified name will be stored in this variable, in case
+ of a successful operation.
+ dir: out
+ name: id
+return:
+ return: null
+ return-values:
+ - description: |
+ The requested operation was successful.
+ value: ${../../status/if/successful:/name}
+ - description: |
+ The ${.:/params[1]/name} parameter was ${/c/if/null:/name}.
+ value: ${../../status/if/invalid-address:/name}
+ - description: |
+ The ${.:/params[0]/name} parameter was 0.
+ value: ${../../status/if/invalid-name:/name}
+ - description: |
+ There was no object with the specified name on the local node.
+ value: ${../../status/if/invalid-name:/name}
+type: interface