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SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
brief: |
Releases the ISR lock from within an ISR.
copyrights:
- Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
- Copyright (C) 1988, 2008 On-Line Applications Research Corporation (OAR)
definition:
default:
attributes: null
body: do { (void) ${.:/params[1]/name}; } while ( 0 )
params:
- ${lock:/name} *${.:/params[0]/name}
- ${lock-context:/name} *${.:/params[1]/name}
return: void
variants:
- definition:
attributes: null
body: |
${/score/smp/if/lock-release:/name}(
&( ${.:/params[0]/name} )->Lock,
&( ${.:/params[1]/name} )->Lock_context
)
params:
- ${lock:/name} *${.:/params[0]/name}
- ${lock-context:/name} *${.:/params[1]/name}
return: void
enabled-by: defined(${/build-options/if/smp:/name})
description: |
This directive releases the ISR lock specified by ${.:/params[0]/name} using
the lock context provided by ${.:/params[1]/name}. The interrupt level will
remain unchanged.
enabled-by: true
index-entries: []
interface-type: macro
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_interrupt_lock_release_isr
notes: |
The lock context shall be the one used to acquire the lock, otherwise the
result is unpredictable.
Where the system was built with SMP support enabled, this directive releases
an SMP lock.
params:
- description: |
is the ISR lock to release within an ISR.
dir: inout
name: _lock
- description: |
is the ISR lock context. This lock context shall have been used to acquire
the lock by calling ${lock-acquire-isr:/name}.
dir: inout
name: _lock_context
return: null
type: interface
|
