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/**
* @file
*
* @brief CBS Scheduler Budget Handler
* @ingroup ScoreScheduler
*/
/*
* Copyright (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.com/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/score/schedulercbs.h>
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
Scheduler_CBS_Server **_Scheduler_CBS_Server_list;
void _Scheduler_CBS_Budget_callout(
Thread_Control *the_thread
)
{
Priority_Control new_priority;
Scheduler_CBS_Per_thread *sched_info;
Scheduler_CBS_Server_id server_id;
/* Put violating task to background until the end of period. */
new_priority = the_thread->Start.initial_priority;
if ( the_thread->real_priority != new_priority )
the_thread->real_priority = new_priority;
if ( the_thread->current_priority != new_priority )
_Thread_Change_priority(the_thread, new_priority, true);
/* Invoke callback function if any. */
sched_info = (Scheduler_CBS_Per_thread *) the_thread->scheduler_info;
if ( sched_info->cbs_server->cbs_budget_overrun ) {
_Scheduler_CBS_Get_server_id(
sched_info->cbs_server->task_id,
&server_id
);
sched_info->cbs_server->cbs_budget_overrun( server_id );
}
}
int _Scheduler_CBS_Initialize(void)
{
unsigned int i;
_Scheduler_CBS_Server_list = (Scheduler_CBS_Server **) _Workspace_Allocate(
_Scheduler_CBS_Maximum_servers * sizeof(Scheduler_CBS_Server*) );
if ( !_Scheduler_CBS_Server_list )
return SCHEDULER_CBS_ERROR_NO_MEMORY;
for (i = 0; i<_Scheduler_CBS_Maximum_servers; i++) {
_Scheduler_CBS_Server_list[i] = NULL;
}
return SCHEDULER_CBS_OK;
}
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