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/**
* @file
*
* @brief Detach from the CBS Server
*
* @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.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/score/schedulercbs.h>
#include <rtems/score/threadimpl.h>
int _Scheduler_CBS_Detach_thread (
Scheduler_CBS_Server_id server_id,
rtems_id task_id
)
{
Objects_Locations location;
Thread_Control *the_thread;
Scheduler_CBS_Per_thread *sched_info;
if ( server_id >= _Scheduler_CBS_Maximum_servers )
return SCHEDULER_CBS_ERROR_INVALID_PARAMETER;
/* Server is not valid. */
if ( !_Scheduler_CBS_Server_list[server_id].initialized )
return SCHEDULER_CBS_ERROR_NOSERVER;
/* Thread and server are not attached. */
if ( _Scheduler_CBS_Server_list[server_id].task_id != task_id )
return SCHEDULER_CBS_ERROR_INVALID_PARAMETER;
the_thread = _Thread_Get(task_id, &location);
/* The routine _Thread_Get may disable dispatch and not enable again. */
if ( the_thread ) {
_Scheduler_CBS_Server_list[server_id].task_id = -1;
sched_info = (Scheduler_CBS_Per_thread *) the_thread->scheduler_info;
sched_info->cbs_server = NULL;
the_thread->budget_algorithm = the_thread->Start.budget_algorithm;
the_thread->budget_callout = the_thread->Start.budget_callout;
the_thread->is_preemptible = the_thread->Start.is_preemptible;
_Objects_Put( &the_thread->Object );
} else {
return SCHEDULER_CBS_ERROR_INVALID_PARAMETER;
}
return SCHEDULER_CBS_OK;
}
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