source: rtems/cpukit/score/src/schedulercbssetparameters.c @ 25f5730f

4.11
Last change on this file since 25f5730f was e1598a6, checked in by Sebastian Huber <sebastian.huber@…>, on Apr 4, 2014 at 8:56:36 AM

score: Static scheduler configuration

Do not allocate the scheduler control structures from the workspace.
This is a preparation step for configuration of clustered/partitioned
schedulers on SMP.

  • Property mode set to 100644
File size: 1.1 KB
Line 
1/**
2 * @file
3 *
4 * @brief Set Parameters for CBS Scheduling
5 *
6 * @ingroup ScoreScheduler
7 */
8
9/*
10 *  Copyright (C) 2011 Petr Benes.
11 *  Copyright (C) 2011 On-Line Applications Research Corporation (OAR).
12 *
13 *  The license and distribution terms for this file may be
14 *  found in the file LICENSE in this distribution or at
15 *  http://www.rtems.org/license/LICENSE.
16 */
17
18#if HAVE_CONFIG_H
19#include "config.h"
20#endif
21
22#include <rtems/system.h>
23#include <rtems/config.h>
24#include <rtems/score/scheduler.h>
25#include <rtems/score/schedulercbs.h>
26
27int _Scheduler_CBS_Set_parameters (
28  Scheduler_CBS_Server_id   server_id,
29  Scheduler_CBS_Parameters *params
30)
31{
32  if ( server_id >= _Scheduler_CBS_Maximum_servers )
33    return SCHEDULER_CBS_ERROR_INVALID_PARAMETER;
34
35  if ( params->budget <= 0 ||
36       params->deadline <= 0 ||
37       params->budget >= SCHEDULER_EDF_PRIO_MSB ||
38       params->deadline >= SCHEDULER_EDF_PRIO_MSB )
39    return SCHEDULER_CBS_ERROR_INVALID_PARAMETER;
40
41  if ( !_Scheduler_CBS_Server_list[server_id].initialized )
42    return SCHEDULER_CBS_ERROR_NOSERVER;
43
44  _Scheduler_CBS_Server_list[server_id].parameters = *params;
45  return SCHEDULER_CBS_OK;
46}
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