sched.h

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/*
 * Copyright (c) 2018-2023 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef ZEPHYR_INCLUDE_POSIX_SCHED_H_
#define ZEPHYR_INCLUDE_POSIX_SCHED_H_
 
#include <zephyr/kernel.h>
 
#include "posix_types.h"
 
#include <time.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*
 * Other mandatory scheduling policy. Must be numerically distinct. May
 * execute identically to SCHED_RR or SCHED_FIFO. For Zephyr this is a
 * pseudonym for SCHED_RR.
 */
#define SCHED_OTHER 0
 
/* Cooperative scheduling policy */
#define SCHED_FIFO 1
 
/* Priority based preemptive scheduling policy */
#define SCHED_RR 2
 
#if defined(CONFIG_MINIMAL_LIBC) || defined(CONFIG_PICOLIBC) || defined(CONFIG_ARMCLANG_STD_LIBC) \
        || defined(CONFIG_ARCMWDT_LIBC)
struct sched_param {
        int sched_priority;
};
#endif
 
static inline int sched_yield(void)
{
        k_yield();
        return 0;
}
 
int sched_get_priority_min(int policy);
int sched_get_priority_max(int policy);
 
int sched_getparam(pid_t pid, struct sched_param *param);
int sched_getscheduler(pid_t pid);
 
int sched_setparam(pid_t pid, const struct sched_param *param);
int sched_setscheduler(pid_t pid, int policy, const struct sched_param *param);
int sched_rr_get_interval(pid_t pid, struct timespec *interval);
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_POSIX_SCHED_H_ */