/* * 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);