C++ (Cpp) _Scheduler_SMP_Get_self Examples

Example #1

File: schedulersmpstartidle.c Project: Fyleo/rtems

void _Scheduler_SMP_Start_idle(
  const Scheduler_Control *scheduler,
  Thread_Control *thread,
  Per_CPU_Control *cpu
)
{
  Scheduler_Context *context = _Scheduler_Get_context( scheduler );
  Scheduler_SMP_Context *self = _Scheduler_SMP_Get_self( context );
  Scheduler_SMP_Node *node = _Scheduler_SMP_Node_get( thread );

  node->state = SCHEDULER_SMP_NODE_SCHEDULED;

  _Thread_Set_CPU( thread, cpu );
  _Chain_Append_unprotected( &self->Scheduled, &thread->Object.Node );
}

Example #2

File: schedulerpriorityaffinitysmp.c Project: greenmeent/rtems

/*
 * This method is unique to this scheduler because it must take into
 * account affinity as it searches for the lowest priority scheduled
 * thread. It ignores those which cannot be replaced by the filter
 * thread because the potential victim thread does not have affinity
 * for that processor.
 */
static Scheduler_Node * _Scheduler_priority_affinity_SMP_Get_lowest_scheduled(
  Scheduler_Context *context,
  Scheduler_Node    *filter_base,
  Chain_Node_order   order
)
{
  Scheduler_SMP_Context *self = _Scheduler_SMP_Get_self( context );
  Scheduler_Node *lowest_scheduled = NULL;
  Chain_Control   *scheduled = &self->Scheduled;
  Chain_Node      *chain_node;
  Scheduler_priority_affinity_SMP_Node *filter =
    _Scheduler_priority_affinity_SMP_Node_downcast( filter_base );

  for ( chain_node = _Chain_Last( scheduled );
        chain_node != _Chain_Immutable_head( scheduled ) ;
        chain_node = _Chain_Previous( chain_node ) ) {
    Scheduler_priority_affinity_SMP_Node *node;
    Thread_Control                       *thread;
    uint32_t                              cpu_index;

    node = (Scheduler_priority_affinity_SMP_Node *) chain_node;

    /*
     * If we didn't find a thread which is of equal or lower importance
     * than filter thread is, then we can't schedule the filter thread
     * to execute.
     */
    if ( (*order)( &node->Base.Base.Base.Node, &filter->Base.Base.Base.Node ) )
      break;

    /* cpu_index is the processor number thread is executing on */
    thread = _Scheduler_Node_get_owner( &node->Base.Base.Base );
    cpu_index = _Per_CPU_Get_index( _Thread_Get_CPU( thread ) );

    if ( CPU_ISSET( (int) cpu_index, filter->Affinity.set ) ) {
      lowest_scheduled = &node->Base.Base.Base;
      break;
    }

  }

  return lowest_scheduled;
}