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SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
brief: |
Identifies a barrier by the object name.
copyrights:
- Copyright (C) 2020 embedded brains GmbH & Co. KG
- Copyright (C) 1988, 2008 On-Line Applications Research Corporation (OAR)
definition:
default:
attributes: null
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 a barrier identifier associated with the barrier
name specified in ${.:/params[0]/name}.
enabled-by: true
index-entries: []
interface-type: function
links:
- role: interface-placement
uid: header
- role: interface-ingroup
uid: group
- role: constraint
uid: /constraint/directive-ctx-any
- role: constraint
uid: /constraint/directive-no-preempt
name: rtems_barrier_ident
notes: |
If the barrier name is not unique, then the barrier identifier will match the
first barrier with that name in the search order. However, this barrier
identifier is not guaranteed to correspond to the desired barrier.
The objects are searched from lowest to the highest index. Only the local
node is searched.
The barrier identifier is used with other barrier related directives to
access the barrier.
params:
- description: |
is the object name to look up.
dir: null
name: name
- description: |
is the pointer to an ${../../type/if/id:/name} object. When the directive call
is successful, the object identifier of an object with the specified name
will be stored in this object.
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
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