path: root/cpukit/score/src/scheduleredfchangepriority.c

/**
 *  @file
 *
 *  @brief Scheduler EDF Extract
 *  @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/scheduleredfimpl.h>

Scheduler_Void_or_thread _Scheduler_EDF_Change_priority(
  const Scheduler_Control *scheduler,
  Thread_Control          *the_thread,
  Priority_Control         new_priority,
  bool                     prepend_it
)
{
  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 );
  _RBTree_Insert(
    &context->Ready,
    &node->Node,
    _Scheduler_EDF_Compare,
    false
  );

  _Scheduler_EDF_Schedule_body( scheduler, the_thread, false );

  SCHEDULER_RETURN_VOID_OR_NULL;
}