diff options
Diffstat (limited to 'cpukit/score/include/rtems/score/scheduleredf.h')
| -rw-r--r-- | cpukit/score/include/rtems/score/scheduleredf.h | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/cpukit/score/include/rtems/score/scheduleredf.h b/cpukit/score/include/rtems/score/scheduleredf.h deleted file mode 100644 index 91c303ca56..0000000000 --- a/cpukit/score/include/rtems/score/scheduleredf.h +++ /dev/null @@ -1,197 +0,0 @@ -/** - * @file rtems/score/scheduleredf.h - * - * @brief Data Related to the Manipulation of Threads for the EDF Scheduler - * - * This include file contains all the constants and structures associated - * with the manipulation of threads for the EDF scheduler. - */ - -/* - * 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_SCHEDULEREDF_H -#define _RTEMS_SCORE_SCHEDULEREDF_H - -#include <rtems/score/priority.h> -#include <rtems/score/scheduler.h> -#include <rtems/score/schedulerpriority.h> -#include <rtems/score/rbtree.h> - -#include <limits.h> - -#ifdef __cplusplus -extern "C" { -#endif - -/** - * @defgroup ScoreSchedulerEDF EDF Scheduler - * - * @ingroup ScoreScheduler - */ -/**@{*/ - -/* - * Actually the EDF scheduler supports a maximum priority of - * 0x7fffffffffffffff, but the user API is limited to uint32_t or int for - * thread priorities. Ignore ILP64 targets for now. - */ -#define SCHEDULER_EDF_MAXIMUM_PRIORITY INT_MAX - -/** - * Entry points for the Earliest Deadline First Scheduler. - */ -#define SCHEDULER_EDF_ENTRY_POINTS \ - { \ - _Scheduler_EDF_Initialize, /* initialize entry point */ \ - _Scheduler_EDF_Schedule, /* schedule entry point */ \ - _Scheduler_EDF_Yield, /* yield entry point */ \ - _Scheduler_EDF_Block, /* block entry point */ \ - _Scheduler_EDF_Unblock, /* unblock entry point */ \ - _Scheduler_EDF_Update_priority, /* update priority entry point */ \ - _Scheduler_EDF_Map_priority, /* map priority entry point */ \ - _Scheduler_EDF_Unmap_priority, /* unmap priority entry point */ \ - SCHEDULER_OPERATION_DEFAULT_ASK_FOR_HELP \ - _Scheduler_EDF_Node_initialize, /* node initialize entry point */ \ - _Scheduler_default_Node_destroy, /* node destroy entry point */ \ - _Scheduler_EDF_Release_job, /* new period of task */ \ - _Scheduler_EDF_Cancel_job, /* cancel period of task */ \ - _Scheduler_default_Tick, /* tick entry point */ \ - _Scheduler_default_Start_idle /* start idle entry point */ \ - SCHEDULER_OPERATION_DEFAULT_GET_SET_AFFINITY \ - } - -typedef struct { - /** - * @brief Basic scheduler context. - */ - Scheduler_Context Base; - - /** - * Top of the ready queue. - */ - RBTree_Control Ready; -} Scheduler_EDF_Context; - -/** - * @brief Scheduler node specialization for EDF schedulers. - */ -typedef struct { - /** - * @brief Basic scheduler node. - */ - Scheduler_Node Base; - - /** - * Rbtree node related to this thread. - */ - RBTree_Node Node; - - /** - * @brief The thread priority currently used for this scheduler instance. - */ - Priority_Control priority; -} Scheduler_EDF_Node; - -/** - * @brief Initialize EDF scheduler. - * - * This routine initializes the EDF scheduler. - * - * @param[in] scheduler The scheduler instance. - */ -void _Scheduler_EDF_Initialize( const Scheduler_Control *scheduler ); - -void _Scheduler_EDF_Block( - const Scheduler_Control *scheduler, - Thread_Control *the_thread, - Scheduler_Node *node -); - -/** - * @brief Sets the heir thread to be the next ready thread - * in the rbtree ready queue. - * - * This kernel routine sets the heir thread to be the next ready thread - * in the rbtree ready queue. - * - * @param[in] scheduler The scheduler instance. - * @param[in] the_thread being scheduled. - */ -void _Scheduler_EDF_Schedule( - const Scheduler_Control *scheduler, - Thread_Control *the_thread -); - -/** - * @brief Initializes an EDF specific scheduler node of @a the_thread. - * - * @param[in] scheduler The scheduler instance. - * @param[in] node being initialized. - * @param[in] the_thread the thread of the node. - * @param[in] priority The thread priority. - */ -void _Scheduler_EDF_Node_initialize( - const Scheduler_Control *scheduler, - Scheduler_Node *node, - Thread_Control *the_thread, - Priority_Control priority -); - -void _Scheduler_EDF_Unblock( - const Scheduler_Control *scheduler, - Thread_Control *the_thread, - Scheduler_Node *node -); - -void _Scheduler_EDF_Update_priority( - const Scheduler_Control *scheduler, - Thread_Control *the_thread, - Scheduler_Node *node -); - -Priority_Control _Scheduler_EDF_Map_priority( - const Scheduler_Control *scheduler, - Priority_Control priority -); - -Priority_Control _Scheduler_EDF_Unmap_priority( - const Scheduler_Control *scheduler, - Priority_Control priority -); - -void _Scheduler_EDF_Yield( - const Scheduler_Control *scheduler, - Thread_Control *the_thread, - Scheduler_Node *node -); - -void _Scheduler_EDF_Release_job( - const Scheduler_Control *scheduler, - Thread_Control *the_thread, - Priority_Node *priority_node, - uint64_t deadline, - Thread_queue_Context *queue_context -); - -void _Scheduler_EDF_Cancel_job( - const Scheduler_Control *scheduler, - Thread_Control *the_thread, - Priority_Node *priority_node, - Thread_queue_Context *queue_context -); - -#ifdef __cplusplus -} -#endif - -/**@}*/ - -#endif -/* end of include file */ |