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

/* SPDX-License-Identifier: BSD-2-Clause */

/**
 * @file
 *
 * @ingroup RTEMSScoreSchedulerCBS
 *
 * @brief This source file contains the implementation of
 *   _Scheduler_CBS_Release_job().
 */

/*
 *  Copyright (C) 2011 Petr Benes.
 *  Copyright (C) 2011 On-Line Applications Research Corporation (OAR).
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <rtems/score/schedulercbsimpl.h>

void _Scheduler_CBS_Release_job(
  const Scheduler_Control *scheduler,
  Thread_Control          *the_thread,
  Priority_Node           *priority_node,
  uint64_t                 deadline,
  Thread_queue_Context    *queue_context
)
{
  Scheduler_CBS_Node   *node;
  Scheduler_CBS_Server *serv_info;

  node = _Scheduler_CBS_Thread_get_node( the_thread );
  serv_info = node->cbs_server;

  /* Budget replenishment for the next job. */
  if ( serv_info != NULL ) {
    the_thread->CPU_budget.available = serv_info->parameters.budget;
  }

  node->deadline_node = priority_node;

  _Scheduler_EDF_Release_job(
    scheduler,
    the_thread,
    priority_node,
    deadline,
    queue_context
  );
}

void _Scheduler_CBS_Cancel_job(
  const Scheduler_Control *scheduler,
  Thread_Control          *the_thread,
  Priority_Node           *priority_node,
  Thread_queue_Context    *queue_context
)
{
  Scheduler_CBS_Node *node;

  node = _Scheduler_CBS_Thread_get_node( the_thread );

  if ( node->deadline_node != NULL ) {
    _Assert( node->deadline_node == priority_node );
    node->deadline_node = NULL;

    _Scheduler_EDF_Cancel_job(
      scheduler,
      the_thread,
      priority_node,
      queue_context
    );
  }
}