mirror of
https://git.rtems.org/rtems-docs/
synced 2025-07-23 11:08:04 +08:00
Switch the task manager to tables for status codes.
This commit is contained in:
Chris Johns
Amar Takhar
parent
36745eb06d
commit
8083970e47
@ -199,29 +199,25 @@ The interrupt level component is used to determine which interrupts will be
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enabled when the task is executing. ``RTEMS_INTERRUPT_LEVEL(n)`` specifies that
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the task will execute at interrupt level n.
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``RTEMS_PREEMPT``
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enable preemption (default)
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.. list-table::
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:widths: 1, 50
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``RTEMS_NO_PREEMPT``
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disable preemption
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``RTEMS_NO_TIMESLICE``
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disable timeslicing (default)
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``RTEMS_TIMESLICE``
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enable timeslicing
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``RTEMS_ASR``
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enable ASR processing (default)
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``RTEMS_NO_ASR``
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disable ASR processing
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``RTEMS_INTERRUPT_LEVEL(0)``
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enable all interrupts (default)
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``RTEMS_INTERRUPT_LEVEL(n)``
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execute at interrupt level n
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* - ``RTEMS_PREEMPT``
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- enable preemption (default)
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* - ``RTEMS_NO_PREEMPT``
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- disable preemption
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* - ``RTEMS_NO_TIMESLICE``
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- disable timeslicing (default)
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* - ``RTEMS_TIMESLICE``
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- enable timeslicing
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* - ``RTEMS_ASR``
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- enable ASR processing (default)
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* - ``RTEMS_NO_ASR``
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- disable ASR processing
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* - ``RTEMS_INTERRUPT_LEVEL(0)``
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- enable all interrupts (default)
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* - ``RTEMS_INTERRUPT_LEVEL(n)``
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- execute at interrupt level n
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The set of default modes may be selected by specifying the
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``RTEMS_DEFAULT_MODES`` constant.
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@ -350,17 +346,17 @@ Building a Task Attribute Set
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In general, an attribute set is built by a bitwise OR of the desired
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components. The set of valid task attribute components is listed below:
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``RTEMS_NO_FLOATING_POINT``
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does not use coprocessor (default)
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.. list-table::
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:widths: 1, 50
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``RTEMS_FLOATING_POINT``
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uses numeric coprocessor
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``RTEMS_LOCAL``
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local task (default)
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``RTEMS_GLOBAL``
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global task
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* - ``RTEMS_NO_FLOATING_POINT``
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- does not use coprocessor (default)
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* - ``RTEMS_FLOATING_POINT``
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- uses numeric coprocessor
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* - ``RTEMS_LOCAL``
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- local task (default)
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* - ``RTEMS_GLOBAL``
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- global task
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Attribute values are specifically designed to be mutually exclusive, therefore
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bitwise OR and addition operations are equivalent as long as each attribute
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@ -385,21 +381,25 @@ In general, a mode and its corresponding mask is built by a bitwise OR of the
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desired components. The set of valid mode constants and each mode's
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corresponding mask constant is listed below:
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- ``RTEMS_PREEMPT`` is masked by``RTEMS_PREEMPT_MASK`` and enables preemption
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.. list-table::
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:widths: 1, 50
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- ``RTEMS_NO_PREEMPT`` is masked by``RTEMS_PREEMPT_MASK`` and disables preemption
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- ``RTEMS_NO_TIMESLICE`` is masked by``RTEMS_TIMESLICE_MASK`` and disables timeslicing
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- ``RTEMS_TIMESLICE`` is masked by``RTEMS_TIMESLICE_MASK`` and enables timeslicing
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- ``RTEMS_ASR`` is masked by``RTEMS_ASR_MASK`` and enables ASR processing
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- ``RTEMS_NO_ASR`` is masked by``RTEMS_ASR_MASK`` and disables ASR processing
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- ``RTEMS_INTERRUPT_LEVEL(0)`` is masked by``RTEMS_INTERRUPT_MASK`` and enables all interrupts
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- ``RTEMS_INTERRUPT_LEVEL(n)`` is masked by``RTEMS_INTERRUPT_MASK`` and sets interrupts level n
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* - ``RTEMS_PREEMPT``
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- is masked by``RTEMS_PREEMPT_MASK`` and enables preemption
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* - ``RTEMS_NO_PREEMPT``
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- is masked by``RTEMS_PREEMPT_MASK`` and disables preemption
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* - ``RTEMS_NO_TIMESLICE``
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- is masked by``RTEMS_TIMESLICE_MASK`` and disables timeslicing
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* - ``RTEMS_TIMESLICE``
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- is masked by``RTEMS_TIMESLICE_MASK`` and enables timeslicing
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* - ``RTEMS_ASR``
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- is masked by``RTEMS_ASR_MASK`` and enables ASR processing
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* - ``RTEMS_NO_ASR``
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- is masked by``RTEMS_ASR_MASK`` and disables ASR processing
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* - ``RTEMS_INTERRUPT_LEVEL(0)``
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- is masked by``RTEMS_INTERRUPT_MASK`` and enables all interrupts
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* - ``RTEMS_INTERRUPT_LEVEL(n)``
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- is masked by``RTEMS_INTERRUPT_MASK`` and sets interrupts level n
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Mode values are specifically designed to be mutually exclusive, therefore
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bitwise OR and addition operations are equivalent as long as each mode appears
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@ -594,30 +594,25 @@ TASK_CREATE - Create a task
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**DIRECTIVE STATUS CODES:**
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``RTEMS_SUCCESSFUL``
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task created successfully
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``RTEMS_INVALID_ADDRESS``
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``id`` is NULL
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``RTEMS_INVALID_NAME``
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invalid task name
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``RTEMS_INVALID_PRIORITY``
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invalid task priority
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``RTEMS_MP_NOT_CONFIGURED``
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multiprocessing not configured
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``RTEMS_TOO_MANY``
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too many tasks created
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``RTEMS_UNSATISFIED``
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not enough memory for stack/FP context
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``RTEMS_TOO_MANY``
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too many global objects
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.. list-table::
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:widths: 1, 50
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* - ``RTEMS_SUCCESSFUL``
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- task created successfully
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* - ``RTEMS_INVALID_ADDRESS``
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- ``id`` is NULL
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* - ``RTEMS_INVALID_NAME``
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- invalid task name
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* - ``RTEMS_INVALID_PRIORITY``
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- invalid task priority
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* - ``RTEMS_MP_NOT_CONFIGURED``
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- multiprocessing not configured
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* - ``RTEMS_TOO_MANY``
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- too many tasks created
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* - ``RTEMS_UNSATISFIED``
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- not enough memory for stack/FP context
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* - ``RTEMS_TOO_MANY``
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- too many global objects
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**DESCRIPTION:**
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@ -667,43 +662,39 @@ when calculating the stack size required for tasks which utilize the driver.
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The following task attribute constants are defined by RTEMS:
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``RTEMS_NO_FLOATING_POINT``
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does not use coprocessor (default)
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.. list-table::
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:widths: 1, 50
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``RTEMS_FLOATING_POINT``
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uses numeric coprocessor
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``RTEMS_LOCAL``
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local task (default)
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``RTEMS_GLOBAL``
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global task
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* - ``RTEMS_NO_FLOATING_POINT``
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- does not use coprocessor (default)
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* - ``RTEMS_FLOATING_POINT``
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- uses numeric coprocessor
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* - ``RTEMS_LOCAL``
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- local task (default)
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* - ``RTEMS_GLOBAL``
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- global task
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The following task mode constants are defined by RTEMS:
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``RTEMS_PREEMPT``
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enable preemption (default)
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.. list-table::
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:widths: 1, 50
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``RTEMS_NO_PREEMPT``
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disable preemption
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``RTEMS_NO_TIMESLICE``
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disable timeslicing (default)
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``RTEMS_TIMESLICE``
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enable timeslicing
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``RTEMS_ASR``
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enable ASR processing (default)
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``RTEMS_NO_ASR``
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disable ASR processing
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``RTEMS_INTERRUPT_LEVEL(0)``
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enable all interrupts (default)
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``RTEMS_INTERRUPT_LEVEL(n)``
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execute at interrupt level n
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* - ``RTEMS_PREEMPT``
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- enable preemption (default)
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* - ``RTEMS_NO_PREEMPT``
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- disable preemption
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* - ``RTEMS_NO_TIMESLICE``
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- disable timeslicing (default)
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* - ``RTEMS_TIMESLICE``
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- enable timeslicing
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* - ``RTEMS_ASR``
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- enable ASR processing (default)
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* - ``RTEMS_NO_ASR``
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- disable ASR processing
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* - ``RTEMS_INTERRUPT_LEVEL(0)``
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- enable all interrupts (default)
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* - ``RTEMS_INTERRUPT_LEVEL(n)``
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- execute at interrupt level n
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The interrupt level portion of the task execution mode supports a maximum of
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256 interrupt levels. These levels are mapped onto the interrupt levels
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@ -738,18 +729,17 @@ TASK_IDENT - Get ID of a task
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**DIRECTIVE STATUS CODES:**
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``RTEMS_SUCCESSFUL``
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task identified successfully
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``RTEMS_INVALID_ADDRESS``
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``id`` is NULL
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``RTEMS_INVALID_NAME``
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invalid task name
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``RTEMS_INVALID_NODE``
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invalid node id
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.. list-table::
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:widths: 1, 50
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* - ``RTEMS_SUCCESSFUL``
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- task identified successfully
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* - ``RTEMS_INVALID_ADDRESS``
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- ``id`` is NULL
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* - ``RTEMS_INVALID_NAME``
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- invalid task name
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* - ``RTEMS_INVALID_NODE``
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- invalid node id
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**DESCRIPTION:**
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@ -821,20 +811,19 @@ TASK_START - Start a task
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**DIRECTIVE STATUS CODES:**
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``RTEMS_SUCCESSFUL``
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ask started successfully
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.. list-table::
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:widths: 1, 50
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``RTEMS_INVALID_ADDRESS``
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invalid task entry point
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``RTEMS_INVALID_ID``
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invalid task id
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``RTEMS_INCORRECT_STATE``
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task not in the dormant state
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``RTEMS_ILLEGAL_ON_REMOTE_OBJECT``
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cannot start remote task
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* - ``RTEMS_SUCCESSFUL``
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- ask started successfully
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* - ``RTEMS_INVALID_ADDRESS``
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- invalid task entry point
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* - ``RTEMS_INVALID_ID``
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- invalid task id
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* - ``RTEMS_INCORRECT_STATE``
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- task not in the dormant state
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* - ``RTEMS_ILLEGAL_ON_REMOTE_OBJECT``
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- cannot start remote task
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**DESCRIPTION:**
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@ -875,17 +864,17 @@ TASK_RESTART - Restart a task
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**DIRECTIVE STATUS CODES:**
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``RTEMS_SUCCESSFUL``
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task restarted successfully
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.. list-table::
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:widths: 1, 50
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``RTEMS_INVALID_ID``
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task id invalid
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``RTEMS_INCORRECT_STATE``
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task never started
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``RTEMS_ILLEGAL_ON_REMOTE_OBJECT``
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cannot restart remote task
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* - ``RTEMS_SUCCESSFUL``
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- task restarted successfully
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* - ``RTEMS_INVALID_ID``
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- task id invalid
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* - ``RTEMS_INCORRECT_STATE``
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- task never started
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* - ``RTEMS_ILLEGAL_ON_REMOTE_OBJECT``
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- cannot restart remote task
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**DESCRIPTION:**
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@ -936,14 +925,15 @@ TASK_DELETE - Delete a task
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**DIRECTIVE STATUS CODES:**
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``RTEMS_SUCCESSFUL``
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task deleted successfully
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.. list-table::
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:widths: 1, 50
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``RTEMS_INVALID_ID``
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task id invalid
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``RTEMS_ILLEGAL_ON_REMOTE_OBJECT``
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cannot restart remote task
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* - ``RTEMS_SUCCESSFUL``
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- task deleted successfully
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* - ``RTEMS_INVALID_ID``
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- task id invalid
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* - ``RTEMS_ILLEGAL_ON_REMOTE_OBJECT``
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- cannot restart remote task
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**DESCRIPTION:**
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@ -991,14 +981,15 @@ TASK_SUSPEND - Suspend a task
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**DIRECTIVE STATUS CODES:**
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``RTEMS_SUCCESSFUL``
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task suspended successfully
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.. list-table::
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:widths: 1, 50
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``RTEMS_INVALID_ID``
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task id invalid
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``RTEMS_ALREADY_SUSPENDED``
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task already suspended
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* - ``RTEMS_SUCCESSFUL``
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- task suspended successfully
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* - ``RTEMS_INVALID_ID``
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- task id invalid
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* - ``RTEMS_ALREADY_SUSPENDED``
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- task already suspended
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**DESCRIPTION:**
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@ -1038,14 +1029,15 @@ TASK_RESUME - Resume a task
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**DIRECTIVE STATUS CODES:**
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``RTEMS_SUCCESSFUL``
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task resumed successfully
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.. list-table::
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:widths: 1, 50
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``RTEMS_INVALID_ID``
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task id invalid
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``RTEMS_INCORRECT_STATE``
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task not suspended
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* - ``RTEMS_SUCCESSFUL``
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- task resumed successfully
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* - ``RTEMS_INVALID_ID``
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- task id invalid
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* - ``RTEMS_INCORRECT_STATE``
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- task not suspended
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**DESCRIPTION:**
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@ -1083,17 +1075,17 @@ TASK_IS_SUSPENDED - Determine if a task is Suspended
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**DIRECTIVE STATUS CODES:**
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``RTEMS_SUCCESSFUL``
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task is NOT suspended
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.. list-table::
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:widths: 1, 50
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``RTEMS_ALREADY_SUSPENDED``
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task is currently suspended
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``RTEMS_INVALID_ID``
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task id invalid
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``RTEMS_ILLEGAL_ON_REMOTE_OBJECT``
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not supported on remote tasks
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* - ``RTEMS_SUCCESSFUL``
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- task is NOT suspended
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* - ``RTEMS_ALREADY_SUSPENDED``
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- task is currently suspended
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* - ``RTEMS_INVALID_ID``
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- task id invalid
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* - ``RTEMS_ILLEGAL_ON_REMOTE_OBJECT``
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- not supported on remote tasks
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**DESCRIPTION:**
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@ -1126,17 +1118,17 @@ TASK_SET_PRIORITY - Set task priority
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**DIRECTIVE STATUS CODES:**
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``RTEMS_SUCCESSFUL``
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task priority set successfully
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.. list-table::
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:widths: 1, 50
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``RTEMS_INVALID_ID``
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invalid task id
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``RTEMS_INVALID_ADDRESS``
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invalid return argument pointer
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``RTEMS_INVALID_PRIORITY``
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invalid task priority
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* - ``RTEMS_SUCCESSFUL``
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- task priority set successfully
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* - ``RTEMS_INVALID_ID``
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- invalid task id
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* - ``RTEMS_INVALID_ADDRESS``
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- invalid return argument pointer
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* - ``RTEMS_INVALID_PRIORITY``
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- invalid task priority
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**DESCRIPTION:**
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@ -1192,11 +1184,13 @@ TASK_MODE - Change the current task mode
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**DIRECTIVE STATUS CODES:**
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``RTEMS_SUCCESSFUL``
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task mode set successfully
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.. list-table::
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:widths: 1, 50
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``RTEMS_INVALID_ADDRESS``
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``previous_mode_set`` is NULL
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* - ``RTEMS_SUCCESSFUL``
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- task mode set successfully
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* - ``RTEMS_INVALID_ADDRESS``
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- ``previous_mode_set`` is NULL
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**DESCRIPTION:**
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@ -1224,29 +1218,25 @@ directive with the ``RTEMS_NO_ASR`` indicator specified in mode.
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The set of task mode constants and each mode's corresponding mask constant is
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provided in the following table:
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|
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``RTEMS_PREEMPT``
|
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is masked by ``RTEMS_PREEMPT_MASK`` and enables preemption
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.. list-table::
|
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:widths: 1, 50
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``RTEMS_NO_PREEMPT``
|
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is masked by ``RTEMS_PREEMPT_MASK`` and disables preemption
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``RTEMS_NO_TIMESLICE``
|
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is masked by ``RTEMS_TIMESLICE_MASK`` and disables timeslicing
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``RTEMS_TIMESLICE``
|
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is masked by ``RTEMS_TIMESLICE_MASK`` and enables timeslicing
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``RTEMS_ASR``
|
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is masked by ``RTEMS_ASR_MASK`` and enables ASR processing
|
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``RTEMS_NO_ASR``
|
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is masked by ``RTEMS_ASR_MASK`` and disables ASR processing
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``RTEMS_INTERRUPT_LEVEL(0)``
|
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is masked by ``RTEMS_INTERRUPT_MASK`` and enables all interrupts
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``RTEMS_INTERRUPT_LEVEL(n)``
|
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is masked by ``RTEMS_INTERRUPT_MASK`` and sets interrupts level n
|
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* - ``RTEMS_PREEMPT``
|
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- is masked by ``RTEMS_PREEMPT_MASK`` and enables preemption
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* - ``RTEMS_NO_PREEMPT``
|
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- is masked by ``RTEMS_PREEMPT_MASK`` and disables preemption
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||||
* - ``RTEMS_NO_TIMESLICE``
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||||
- is masked by ``RTEMS_TIMESLICE_MASK`` and disables timeslicing
|
||||
* - ``RTEMS_TIMESLICE``
|
||||
- is masked by ``RTEMS_TIMESLICE_MASK`` and enables timeslicing
|
||||
* - ``RTEMS_ASR``
|
||||
- is masked by ``RTEMS_ASR_MASK`` and enables ASR processing
|
||||
* - ``RTEMS_NO_ASR``
|
||||
- is masked by ``RTEMS_ASR_MASK`` and disables ASR processing
|
||||
* - ``RTEMS_INTERRUPT_LEVEL(0)``
|
||||
- is masked by ``RTEMS_INTERRUPT_MASK`` and enables all interrupts
|
||||
* - ``RTEMS_INTERRUPT_LEVEL(n)``
|
||||
- is masked by ``RTEMS_INTERRUPT_MASK`` and sets interrupts level n
|
||||
|
||||
.. _rtems_task_wake_after:
|
||||
|
||||
@ -1267,7 +1257,11 @@ TASK_WAKE_AFTER - Wake up after interval
|
||||
|
||||
**DIRECTIVE STATUS CODES:**
|
||||
|
||||
``RTEMS_SUCCESSFUL`` - always successful
|
||||
.. list-table::
|
||||
:widths: 1, 50
|
||||
|
||||
* - ``RTEMS_SUCCESSFUL``
|
||||
- always successful
|
||||
|
||||
**DESCRIPTION:**
|
||||
|
||||
@ -1307,17 +1301,17 @@ TASK_WAKE_WHEN - Wake up when specified
|
||||
|
||||
**DIRECTIVE STATUS CODES:**
|
||||
|
||||
``RTEMS_SUCCESSFUL``
|
||||
awakened at date/time successfully
|
||||
.. list-table::
|
||||
:widths: 1, 50
|
||||
|
||||
``RTEMS_INVALID_ADDRESS``
|
||||
``time_buffer`` is NULL
|
||||
|
||||
``RTEMS_INVALID_TIME_OF_DAY``
|
||||
invalid time buffer
|
||||
|
||||
``RTEMS_NOT_DEFINED``
|
||||
system date and time is not set
|
||||
* - ``RTEMS_SUCCESSFUL``
|
||||
- awakened at date/time successfully
|
||||
* - ``RTEMS_INVALID_ADDRESS``
|
||||
- ``time_buffer`` is NULL
|
||||
* - ``RTEMS_INVALID_TIME_OF_DAY``
|
||||
- invalid time buffer
|
||||
* - ``RTEMS_NOT_DEFINED``
|
||||
- system date and time is not set
|
||||
|
||||
**DESCRIPTION:**
|
||||
|
||||
@ -1395,20 +1389,19 @@ TASK_VARIABLE_ADD - Associate per task variable
|
||||
|
||||
**DIRECTIVE STATUS CODES:**
|
||||
|
||||
``RTEMS_SUCCESSFUL``
|
||||
per task variable added successfully
|
||||
.. list-table::
|
||||
:widths: 1, 50
|
||||
|
||||
``RTEMS_INVALID_ADDRESS``
|
||||
``task_variable`` is NULL
|
||||
|
||||
``RTEMS_INVALID_ID``
|
||||
invalid task id
|
||||
|
||||
``RTEMS_NO_MEMORY``
|
||||
invalid task id
|
||||
|
||||
``RTEMS_ILLEGAL_ON_REMOTE_OBJECT``
|
||||
not supported on remote tasks
|
||||
* - ``RTEMS_SUCCESSFUL``
|
||||
- per task variable added successfully
|
||||
* - ``RTEMS_INVALID_ADDRESS``
|
||||
- ``task_variable`` is NULL
|
||||
* - ``RTEMS_INVALID_ID``
|
||||
- invalid task id
|
||||
* - ``RTEMS_NO_MEMORY``
|
||||
- invalid task id
|
||||
* - ``RTEMS_ILLEGAL_ON_REMOTE_OBJECT``
|
||||
- not supported on remote tasks
|
||||
|
||||
**DESCRIPTION:**
|
||||
|
||||
@ -1458,23 +1451,21 @@ TASK_VARIABLE_GET - Obtain value of a per task variable
|
||||
|
||||
**DIRECTIVE STATUS CODES:**
|
||||
|
||||
``RTEMS_SUCCESSFUL``
|
||||
per task variable obtained successfully
|
||||
.. list-table::
|
||||
:widths: 1, 50
|
||||
|
||||
``RTEMS_INVALID_ADDRESS``
|
||||
``task_variable`` is NULL
|
||||
|
||||
``RTEMS_INVALID_ADDRESS``
|
||||
``task_variable_value`` is NULL
|
||||
|
||||
``RTEMS_INVALID_ADDRESS``
|
||||
``task_variable`` is not found
|
||||
|
||||
``RTEMS_NO_MEMORY``
|
||||
invalid task id
|
||||
|
||||
``RTEMS_ILLEGAL_ON_REMOTE_OBJECT``
|
||||
not supported on remote tasks
|
||||
* - ``RTEMS_SUCCESSFUL``
|
||||
- per task variable obtained successfully
|
||||
* - ``RTEMS_INVALID_ADDRESS``
|
||||
- ``task_variable`` is NULL
|
||||
* - ``RTEMS_INVALID_ADDRESS``
|
||||
- ``task_variable_value`` is NULL
|
||||
* - ``RTEMS_INVALID_ADDRESS``
|
||||
- ``task_variable`` is not found
|
||||
* - ``RTEMS_NO_MEMORY``
|
||||
- invalid task id
|
||||
* - ``RTEMS_ILLEGAL_ON_REMOTE_OBJECT``
|
||||
- not supported on remote tasks
|
||||
|
||||
**DESCRIPTION:**
|
||||
|
||||
@ -1518,20 +1509,19 @@ TASK_VARIABLE_DELETE - Remove per task variable
|
||||
|
||||
**DIRECTIVE STATUS CODES:**
|
||||
|
||||
``RTEMS_SUCCESSFUL``
|
||||
per task variable deleted successfully
|
||||
.. list-table::
|
||||
:widths: 1, 50
|
||||
|
||||
``RTEMS_INVALID_ID``
|
||||
invalid task id
|
||||
|
||||
``RTEMS_NO_MEMORY``
|
||||
invalid task id
|
||||
|
||||
``RTEMS_INVALID_ADDRESS``
|
||||
``task_variable`` is NULL
|
||||
|
||||
``RTEMS_ILLEGAL_ON_REMOTE_OBJECT``
|
||||
not supported on remote tasks
|
||||
* - ``RTEMS_SUCCESSFUL``
|
||||
- per task variable deleted successfully
|
||||
* - ``RTEMS_INVALID_ID``
|
||||
- invalid task id
|
||||
* - ``RTEMS_NO_MEMORY``
|
||||
- invalid task id
|
||||
* - ``RTEMS_INVALID_ADDRESS``
|
||||
- ``task_variable`` is NULL
|
||||
* - ``RTEMS_ILLEGAL_ON_REMOTE_OBJECT``
|
||||
- not supported on remote tasks
|
||||
|
||||
**DESCRIPTION:**
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user