6369e89502
* [posix] POSIX standard implementation for PSE51 - add some posix's interfaces that we haven't before. - these PR have passed the interface definition test across gcc platfrom; - have tested base on qemu-a9 and stm32h750-art-pi. * [newlib] only enable POSIX.1-1990 * update projects
58 lines
985 B
C
58 lines
985 B
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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*/
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#include <sched.h>
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int sched_yield(void)
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{
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rt_thread_yield();
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return 0;
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}
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RTM_EXPORT(sched_yield);
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int sched_get_priority_min(int policy)
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{
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if (policy != SCHED_FIFO && policy != SCHED_RR)
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return EINVAL;
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return 0;
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}
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RTM_EXPORT(sched_get_priority_min);
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int sched_get_priority_max(int policy)
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{
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if (policy != SCHED_FIFO && policy != SCHED_RR)
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return EINVAL;
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return RT_THREAD_PRIORITY_MAX - 1;
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}
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RTM_EXPORT(sched_get_priority_max);
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int sched_setscheduler(pid_t pid, int policy)
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{
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return EOPNOTSUPP;
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}
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RTM_EXPORT(sched_setscheduler);
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int sched_rr_get_interval(pid_t pid, struct timespec *tp)
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{
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if(pid != 0)
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{
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return EINVAL;
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}
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rt_set_errno(-EINVAL);
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/* course model, don't support */
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// TODO
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return -1;
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}
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RTM_EXPORT(sched_rr_get_interval);
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