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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* 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);
int sched_rr_get_interval(pid_t pid, struct timespec *tp)
{
if(pid != 0)
{
return EINVAL;
}
rt_set_errno(-EINVAL);
/* course model, don't support */
// TODO
return -1;
}
RTM_EXPORT(sched_rr_get_interval);
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