#include <sched.h>

int sched_yield(void)
{
	rt_thread_yield();
	return 0;
}

int sched_get_priority_min(int policy)
{
	if (policy != SCHED_FIFO && policy != SCHED_RR)
		return EINVAL;

	return 0;
}

int sched_get_priority_max(int policy)
{
	if (policy != SCHED_FIFO && policy != SCHED_RR)
		return EINVAL;

	return RT_THREAD_PRIORITY_MAX - 1;
}

int sched_setscheduler(pid_t pid, int policy)
{
	return ENOTSUP;
}