58 lines
985 B
C
58 lines
985 B
C
|
/*
|
||
|
|
* 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);
|