tobudos-kernel/osal/posix/sched.c

106 lines
2.5 KiB
C

/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#include "tos_k.h"
#include "errno.h"
#include "sched.h"
#include "private/pthread.h"
#include "private/time.h"
__API__ int sched_get_priority_max(int policy)
{
return K_TASK_PRIO_IDLE - 1;
}
__API__ int sched_get_priority_min(int policy)
{
return 0;
}
__API__ int sched_getparam(pid_t pid, struct sched_param *param)
{
pthread_ctl_t *the_ctl;
TOS_PTR_SANITY_CHECK_RC(param, EINVAL);
the_ctl = pthread_ctl_by_id(pid);
if (!the_ctl) {
return EINVAL;
}
*param = the_ctl->attr.schedparam;
return 0;
}
__NOTSUPP__ int sched_getscheduler(pid_t pid)
{
return EOPNOTSUPP;
}
__API__ int sched_rr_get_interval(pid_t pid, struct timespec *interval)
{
#if TOS_CFG_ROUND_ROBIN_EN > 0u
k_tick_t ktick;
pthread_ctl_t *the_ctl;
TOS_PTR_SANITY_CHECK_RC(interval, EINVAL);
the_ctl = pthread_ctl_by_id(pid);
if (!the_ctl) {
return EINVAL;
}
ktick = the_ctl->the_ktask->timeslice_reload;
ktick_to_timespec(ktick, interval);
return 0;
#else
return EOPNOTSUPP;
#endif
}
__API__ int sched_setparam(pid_t pid, const struct sched_param *param)
{
pthread_ctl_t *the_ctl;
TOS_PTR_SANITY_CHECK_RC(param, EINVAL);
the_ctl = pthread_ctl_by_id(pid);
if (!the_ctl) {
return EINVAL;
}
the_ctl->attr.schedparam = *param;
return 0;
}
__NOTSUPP__ int sched_setscheduler(pid_t pid, int policy, const struct sched_param *param)
{
return EOPNOTSUPP;
}
__API__ int sched_yield(void)
{
tos_task_yield();
return 0;
}