Ejemplo n.º 1
0
rtems_status_code rtems_rate_monotonic_reset_statistics(
  rtems_id id
)
{
  Rate_monotonic_Control *the_period;
  ISR_lock_Context        lock_context;
  Thread_Control         *owner;

  the_period = _Rate_monotonic_Get( id, &lock_context );
  if ( the_period == NULL ) {
    return RTEMS_INVALID_ID;
  }

  owner = the_period->owner;
  _Rate_monotonic_Acquire_critical( owner, &lock_context );
  _Rate_monotonic_Reset_statistics( the_period );
  _Rate_monotonic_Release( owner, &lock_context );
  return RTEMS_SUCCESSFUL;
}
Ejemplo n.º 2
0
rtems_status_code rtems_rate_monotonic_create(
  rtems_name  name,
  rtems_id   *id
)
{
  Rate_monotonic_Control *the_period;

  if ( !rtems_is_name_valid( name ) )
    return RTEMS_INVALID_NAME;

  if ( !id )
    return RTEMS_INVALID_ADDRESS;

  the_period = _Rate_monotonic_Allocate();

  if ( !the_period ) {
    _Objects_Allocator_unlock();
    return RTEMS_TOO_MANY;
  }

  _ISR_lock_Initialize( &the_period->Lock, "Rate Monotonic Period" );
  _Priority_Node_initialize( &the_period->Priority, 0 );
  _Priority_Node_set_inactive( &the_period->Priority );

  the_period->owner = _Thread_Get_executing();
  the_period->state = RATE_MONOTONIC_INACTIVE;

  _Watchdog_Preinitialize( &the_period->Timer, _Per_CPU_Get_by_index( 0 ) );
  _Watchdog_Initialize( &the_period->Timer, _Rate_monotonic_Timeout );

  _Rate_monotonic_Reset_statistics( the_period );

  _Objects_Open(
    &_Rate_monotonic_Information,
    &the_period->Object,
    (Objects_Name) name
  );

  *id = the_period->Object.id;
  _Objects_Allocator_unlock();
  return RTEMS_SUCCESSFUL;
}
Ejemplo n.º 3
0
rtems_status_code rtems_rate_monotonic_create(
  rtems_name  name,
  rtems_id   *id
)
{
  Rate_monotonic_Control *the_period;

  if ( !rtems_is_name_valid( name ) )
    return RTEMS_INVALID_NAME;

  if ( !id )
    return RTEMS_INVALID_ADDRESS;

  _Thread_Disable_dispatch();            /* to prevent deletion */

  the_period = _Rate_monotonic_Allocate();

  if ( !the_period ) {
    _Thread_Enable_dispatch();
    return RTEMS_TOO_MANY;
  }

  the_period->owner = _Thread_Executing;
  the_period->state = RATE_MONOTONIC_INACTIVE;

  _Watchdog_Initialize( &the_period->Timer, NULL, 0, NULL );

  _Rate_monotonic_Reset_statistics( the_period );

  _Objects_Open(
    &_Rate_monotonic_Information,
    &the_period->Object,
    (Objects_Name) name
  );

  *id = the_period->Object.id;
  _Thread_Enable_dispatch();
  return RTEMS_SUCCESSFUL;
}
Ejemplo n.º 4
0
rtems_status_code rtems_rate_monotonic_reset_statistics(
    rtems_id id
)
{
    Objects_Locations              location;
    Rate_monotonic_Control        *the_period;

    the_period = _Rate_monotonic_Get( id, &location );
    switch ( location ) {

    case OBJECTS_LOCAL:
        _Rate_monotonic_Reset_statistics( the_period );
        _Thread_Enable_dispatch();
        return RTEMS_SUCCESSFUL;

#if defined(RTEMS_MULTIPROCESSING)
    case OBJECTS_REMOTE:            /* should never return this */
#endif
    case OBJECTS_ERROR:
        break;
    }

    return RTEMS_INVALID_ID;
}