summaryrefslogblamecommitdiffstats
path: root/cpukit/include/rtems/score/schedulersimpleimpl.h
blob: 8667e039bdd217d6987c1c6628389b8f88ebffa5 (plain) (tree)
1
2
3
4
5
6
7
8




                                                                  
  

                                                                        






                                                                       
                                         

   

                                          
 
                                        
                                  
                                      
 


                  

   
                                        
   
        
 

                                                                     
 
                                                                          

 
                                                                
                              


                        

                                           
 
                                                        


                                                                    

 
                                                   
                        

                                 




                                    

                                         


    

                                                    

                                      


                   
              



                                                         
                                                          


                                         

 


                                                                            
 
                      



                                                 
         
 



                  

                         
/**
 * @file
 *
 * @brief Inlined Routines Associated with the Manipulation of the
 * Priority-Based Scheduling Structures
 *
 * This inline file contains all of the inlined routines associated with
 * the manipulation of the priority-based scheduling structures.
 */

/*
 *  Copyright (C) 2011 On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.org/license/LICENSE.
 */

#ifndef _RTEMS_SCORE_SCHEDULERSIMPLEIMPL_H
#define _RTEMS_SCORE_SCHEDULERSIMPLEIMPL_H

#include <rtems/score/schedulersimple.h>
#include <rtems/score/chainimpl.h>
#include <rtems/score/schedulerimpl.h>

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @addtogroup RTEMSScoreSchedulerSimple
 */
/**@{**/

RTEMS_INLINE_ROUTINE Scheduler_simple_Context *
  _Scheduler_simple_Get_context( const Scheduler_Control *scheduler )
{
  return (Scheduler_simple_Context *) _Scheduler_Get_context( scheduler );
}

RTEMS_INLINE_ROUTINE bool _Scheduler_simple_Priority_less_equal(
  const void       *to_insert,
  const Chain_Node *next
)
{
  const unsigned int   *priority_to_insert;
  const Thread_Control *thread_next;

  priority_to_insert = (const unsigned int *) to_insert;
  thread_next = (const Thread_Control *) next;

  return *priority_to_insert <= _Thread_Get_priority( thread_next );
}

RTEMS_INLINE_ROUTINE void _Scheduler_simple_Insert(
  Chain_Control  *chain,
  Thread_Control *to_insert,
  unsigned int    insert_priority
)
{
  _Chain_Insert_ordered_unprotected(
    chain,
    &to_insert->Object.Node,
    &insert_priority,
    _Scheduler_simple_Priority_less_equal
  );
}

RTEMS_INLINE_ROUTINE void _Scheduler_simple_Extract(
  const Scheduler_Control *scheduler,
  Thread_Control          *the_thread,
  Scheduler_Node          *node
)
{
  (void) scheduler;
  (void) node;

  _Chain_Extract_unprotected( &the_thread->Object.Node );
}

RTEMS_INLINE_ROUTINE void _Scheduler_simple_Schedule_body(
  const Scheduler_Control *scheduler,
  Thread_Control          *the_thread,
  bool                     force_dispatch
)
{
  Scheduler_simple_Context *context =
    _Scheduler_simple_Get_context( scheduler );
  Thread_Control *heir = (Thread_Control *) _Chain_First( &context->Ready );

  ( void ) the_thread;

  _Scheduler_Update_heir( heir, force_dispatch );
}

/** @} */

#ifdef __cplusplus
}
#endif

#endif
/* end of include file */