44 lines
875 B
C
44 lines
875 B
C
/*
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* Copyright (c) 2023 Meta
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_LIB_POSIX_POSIX_PTHREAD_SCHED_H_
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#define ZEPHYR_LIB_POSIX_POSIX_PTHREAD_SCHED_H_
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#include <errno.h>
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#include <stdbool.h>
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#include <zephyr/posix/sched.h>
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static inline bool valid_posix_policy(int policy)
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{
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return policy == SCHED_FIFO || policy == SCHED_RR || policy == SCHED_OTHER;
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}
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static inline int posix_sched_priority_min(int policy)
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{
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if (!valid_posix_policy(policy)) {
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errno = EINVAL;
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return -1;
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}
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return 0;
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}
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static inline int posix_sched_priority_max(int policy)
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{
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if (IS_ENABLED(CONFIG_COOP_ENABLED) && policy == SCHED_FIFO) {
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return CONFIG_NUM_COOP_PRIORITIES - 1;
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} else if (IS_ENABLED(CONFIG_PREEMPT_ENABLED) &&
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(policy == SCHED_RR || policy == SCHED_OTHER)) {
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return CONFIG_NUM_PREEMPT_PRIORITIES - 1;
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}
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errno = EINVAL;
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return -1;
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}
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#endif
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