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/*
* File : sched.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2010, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
*/
#include <sched.h>
int sched_yield(void)
{
rt_thread_yield();
return 0;
}
RTM_EXPORT(sched_yield);
int sched_get_priority_min(int policy)
{
if (policy != SCHED_FIFO && policy != SCHED_RR)
return EINVAL;
return 0;
}
RTM_EXPORT(sched_get_priority_min);
int sched_get_priority_max(int policy)
{
if (policy != SCHED_FIFO && policy != SCHED_RR)
return EINVAL;
return RT_THREAD_PRIORITY_MAX - 1;
}
RTM_EXPORT(sched_get_priority_max);
int sched_setscheduler(pid_t pid, int policy)
{
return EOPNOTSUPP;
}
RTM_EXPORT(sched_setscheduler);
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