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SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
brief: |
Sets the processor affinity of the interrupt server.
copyrights:
- Copyright (C) 2017, 2021 embedded brains GmbH & Co. KG
definition:
default:
attributes: null
body: null
params:
- ${/c/if/uint32_t:/name} ${.:/params[0]/name}
- ${/c/if/size_t:/name} ${.:/params[1]/name}
- const ${/c/if/cpu_set_t:/name} *${.:/params[2]/name}
- ${../../type/if/priority:/name} ${.:/params[3]/name}
return: ${../../status/if/code:/name}
variants: []
description: null
enabled-by: true
index-entries: []
interface-type: function
links:
- role: interface-placement
uid: header
- role: interface-ingroup
uid: group
- role: constraint
uid: /constraint/directive-not-pre-qualified
- role: constraint
uid: /constraint/directive-ctx-isr
- role: constraint
uid: /constraint/directive-ctx-devinit
- role: constraint
uid: /constraint/directive-ctx-task
- role: constraint
uid: /constraint/affinity-may-preempt
- role: constraint
uid: /constraint/priority-may-preempt
name: rtems_interrupt_server_set_affinity
notes: |
The scheduler is set determined by the highest numbered processor in the
affinity set specified by ${.:/params[2]/name}.
This operation is only reliable in case the interrupt server was suspended
via ${server-suspend:/name}.
params:
- description: |
is the interrupt server index. The constant ${server-default:/name} may be
used to specify the default interrupt server.
dir: null
name: server_index
- description: |
is the size of the processor set referenced by ${.:/params[2]/name} in
bytes.
dir: null
name: affinity_size
- description: |
is the pointer to a ${/c/if/cpu_set_t:/name} object. The processor set
defines the new processor affinity set of the interrupt server. A set bit
in the processor set means that the corresponding processor shall be in the
processor affinity set of the task, otherwise the bit shall be cleared.
dir: null
name: affinity
- description: |
is the new ${/glossary/priority-real:/term} for the interrupt server.
dir: null
name: priority
return:
return: |
The directive uses ${../../scheduler/if/ident-by-processor-set:/name},
${../../task/if/set-scheduler:/name}, and
${../../task/if/set-affinity:/name}. If one of these directive fails, then
its error status will be returned.
return-values:
- description: |
The requested operation was successful.
value: ${../../status/if/successful:/name}
- description: |
There was no interrupt server associated with the index specified by
${.:/params[0]/name}.
value: ${../../status/if/invalid-id:/name}
type: interface
|
