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