ksrc/nucleus/sched-idle.c

   1 /*!\file sched-idle.c
   2  * \author Philippe Gerum
   3  * \brief Idle scheduling class implementation (i.e. Linux placeholder).
   4  *
   5  * Copyright (C) 2008 Philippe Gerum <rpm@xenomai.org>.
   6  *
   7  * Xenomai is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published
   9  * by the Free Software Foundation; either version 2 of the License,
  10  * or (at your option) any later version.
  11  *
  12  * Xenomai is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with Xenomai; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  20  * 02111-1307, USA.
  21  *
  22  * \ingroup sched
  23  */
  24
  25 #include <nucleus/sched.h>
  26
  27 static struct xnthread *xnsched_idle_pick(struct xnsched *sched)
  28 {
  29         return &sched->rootcb;
  30 }
  31
  32 void xnsched_idle_setparam(struct xnthread *thread,
  33                            const union xnsched_policy_param *p)
  34 {
  35         __xnsched_idle_setparam(thread, p);
  36 }
  37
  38 void xnsched_idle_getparam(struct xnthread *thread,
  39                            union xnsched_policy_param *p)
  40 {
  41         __xnsched_idle_getparam(thread, p);
  42 }
  43
  44 void xnsched_idle_trackprio(struct xnthread *thread,
  45                            const union xnsched_policy_param *p)
  46 {
  47         __xnsched_rt_trackprio(thread, p);
  48 }
  49
  50 struct xnsched_class xnsched_class_idle = {
  51         .sched_init             =       NULL,
  52         .sched_enqueue          =       NULL,
  53         .sched_dequeue          =       NULL,
  54         .sched_requeue          =       NULL,
  55         .sched_tick             =       NULL,
  56         .sched_rotate           =       NULL,
  57         .sched_forget           =       NULL,
  58         .sched_declare          =       NULL,
  59         .sched_pick             =       xnsched_idle_pick,
  60         .sched_setparam         =       xnsched_idle_setparam,
  61         .sched_getparam         =       xnsched_idle_getparam,
  62         .sched_trackprio        =       xnsched_idle_trackprio,
  63         .weight                 =       XNSCHED_CLASS_WEIGHT(0),
  64         .name                   =       "idle"
  65 };