score/src/schedulercbsreleasejob.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSScoreSchedulerCBS
0007  *
0008  * @brief This source file contains the implementation of
0009  *   _Scheduler_CBS_Release_job().
0010  */
0011
0012 /*
0013  *  Copyright (C) 2011 Petr Benes.
0014  *  Copyright (C) 2011 On-Line Applications Research Corporation (OAR).
0015  *
0016  * Redistribution and use in source and binary forms, with or without
0017  * modification, are permitted provided that the following conditions
0018  * are met:
0019  * 1. Redistributions of source code must retain the above copyright
0020  *    notice, this list of conditions and the following disclaimer.
0021  * 2. Redistributions in binary form must reproduce the above copyright
0022  *    notice, this list of conditions and the following disclaimer in the
0023  *    documentation and/or other materials provided with the distribution.
0024  *
0025  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0026  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0027  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0028  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0029  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0030  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0031  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0032  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0033  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0034  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0035  * POSSIBILITY OF SUCH DAMAGE.
0036  */
0037
0038 #ifdef HAVE_CONFIG_H
0039 #include "config.h"
0040 #endif
0041
0042 #include <rtems/score/schedulercbsimpl.h>
0043
0044 void _Scheduler_CBS_Release_job(
0045   const Scheduler_Control *scheduler,
0046   Thread_Control          *the_thread,
0047   Priority_Node           *priority_node,
0048   uint64_t                 deadline,
0049   Thread_queue_Context    *queue_context
0050 )
0051 {
0052   Scheduler_CBS_Node   *node;
0053   Scheduler_CBS_Server *serv_info;
0054
0055   node = _Scheduler_CBS_Thread_get_node( the_thread );
0056   serv_info = node->cbs_server;
0057
0058   /* Budget replenishment for the next job. */
0059   if ( serv_info != NULL ) {
0060     the_thread->CPU_budget.available = serv_info->parameters.budget;
0061   }
0062
0063   node->deadline_node = priority_node;
0064
0065   _Scheduler_EDF_Release_job(
0066     scheduler,
0067     the_thread,
0068     priority_node,
0069     deadline,
0070     queue_context
0071   );
0072 }
0073
0074 void _Scheduler_CBS_Cancel_job(
0075   const Scheduler_Control *scheduler,
0076   Thread_Control          *the_thread,
0077   Priority_Node           *priority_node,
0078   Thread_queue_Context    *queue_context
0079 )
0080 {
0081   Scheduler_CBS_Node *node;
0082
0083   node = _Scheduler_CBS_Thread_get_node( the_thread );
0084
0085   if ( node->deadline_node != NULL ) {
0086     _Assert( node->deadline_node == priority_node );
0087     node->deadline_node = NULL;
0088
0089     _Scheduler_EDF_Cancel_job(
0090       scheduler,
0091       the_thread,
0092       priority_node,
0093       queue_context
0094     );
0095   }
0096 }