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Diffstat (limited to 'include/rtems/score/scheduleredfimpl.h')
-rw-r--r-- | include/rtems/score/scheduleredfimpl.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/include/rtems/score/scheduleredfimpl.h b/include/rtems/score/scheduleredfimpl.h new file mode 100644 index 0000000000..4feea71e51 --- /dev/null +++ b/include/rtems/score/scheduleredfimpl.h @@ -0,0 +1,107 @@ +/** + * @file + * + * @ingroup ScoreSchedulerEDF + * + * @brief EDF Scheduler Implementation + */ + +/* + * Copryight (c) 2011 Petr Benes. + * 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_SCHEDULEREDFIMPL_H +#define _RTEMS_SCORE_SCHEDULEREDFIMPL_H + +#include <rtems/score/scheduleredf.h> +#include <rtems/score/schedulerimpl.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @addtogroup ScoreSchedulerEDF + * + * @{ + */ + +RTEMS_INLINE_ROUTINE Scheduler_EDF_Context * + _Scheduler_EDF_Get_context( const Scheduler_Control *scheduler ) +{ + return (Scheduler_EDF_Context *) _Scheduler_Get_context( scheduler ); +} + +RTEMS_INLINE_ROUTINE Scheduler_EDF_Node *_Scheduler_EDF_Thread_get_node( + Thread_Control *the_thread +) +{ + return (Scheduler_EDF_Node *) _Scheduler_Thread_get_node( the_thread ); +} + +RBTree_Compare_result _Scheduler_EDF_Compare( + const RBTree_Node* n1, + const RBTree_Node* n2 +); + +RTEMS_INLINE_ROUTINE void _Scheduler_EDF_Enqueue( + const Scheduler_Control *scheduler, + Thread_Control *the_thread +) +{ + Scheduler_EDF_Context *context = + _Scheduler_EDF_Get_context( scheduler ); + Scheduler_EDF_Node *node = _Scheduler_EDF_Thread_get_node( the_thread ); + + _RBTree_Insert( + &context->Ready, + &node->Node, + _Scheduler_EDF_Compare, + false + ); + node->queue_state = SCHEDULER_EDF_QUEUE_STATE_YES; +} + +RTEMS_INLINE_ROUTINE void _Scheduler_EDF_Extract( + const Scheduler_Control *scheduler, + Thread_Control *the_thread +) +{ + Scheduler_EDF_Context *context = + _Scheduler_EDF_Get_context( scheduler ); + Scheduler_EDF_Node *node = _Scheduler_EDF_Thread_get_node( the_thread ); + + _RBTree_Extract( &context->Ready, &node->Node ); +} + +RTEMS_INLINE_ROUTINE void _Scheduler_EDF_Schedule_body( + const Scheduler_Control *scheduler, + Thread_Control *the_thread, + bool force_dispatch +) +{ + Scheduler_EDF_Context *context = + _Scheduler_EDF_Get_context( scheduler ); + RBTree_Node *first = _RBTree_Minimum( &context->Ready ); + Scheduler_EDF_Node *node = + RTEMS_CONTAINER_OF( first, Scheduler_EDF_Node, Node ); + Thread_Control *heir = node->thread; + + ( void ) the_thread; + + _Scheduler_Update_heir( heir, force_dispatch ); +} + +/**@}*/ + +#ifdef __cplusplus +} +#endif + +#endif +/* end of include file */ |