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SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
brief: |
  Cancels the timer.
copyrights:
- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
- Copyright (C) 1988, 2008 On-Line Applications Research Corporation (OAR)
definition:
  default:
    attributes: null
    body: null
    params:
    - ${../../type/if/id:/name} ${.:/params[0]/name}
    return: ${../../status/if/code:/name}
  variants: []
description: |
  This directive cancels the timer specified by ${.:/params[0]/name}.  This
  timer will be reinitiated by the next invocation of ${reset:/name},
  ${fire-after:/name}, ${fire-when:/name}, ${server-fire-after:/name}, or
  ${server-fire-when:/name} with the same timer identifier.
enabled-by: true
index-entries:
- cancel a timer
interface-type: function
links:
- role: interface-placement
  uid: header
- role: interface-ingroup
  uid: group
- 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/directive-no-preempt
name: rtems_timer_cancel
notes: null
params:
- description: is the timer identifier.
  dir: null
  name: id
return:
  return: null
  return-values:
  - description: |
      The requested operation was successful.
    value: ${../../status/if/successful:/name}
  - description: |
      There was no timer associated with the identifier specified by
      ${.:/params[0]/name}.
    value: ${../../status/if/invalid-id:/name}
type: interface