zephyr/include/posix/time.h

105 lines
2.3 KiB
C

/*
* Copyright (c) 2018 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_INCLUDE_POSIX_TIME_H_
#define ZEPHYR_INCLUDE_POSIX_TIME_H_
#ifdef CONFIG_NEWLIB_LIBC
/* Kludge to support outdated newlib version as used in SDK 0.10 for Xtensa */
#include <newlib.h>
#ifdef __NEWLIB__
/* Newever Newlib 3.x+ */
#include <sys/timespec.h>
#else /* __NEWLIB__ */
/* Workaround for older Newlib 2.x, as used by Xtensa. It lacks sys/_timeval.h,
* so mimic it here.
*/
#include <sys/types.h>
#ifndef __timespec_defined
#ifdef __cplusplus
extern "C" {
#endif
struct timespec {
time_t tv_sec;
long tv_nsec;
};
struct itimerspec {
struct timespec it_interval; /* Timer interval */
struct timespec it_value; /* Timer expiration */
};
#ifdef __cplusplus
}
#endif
#endif /* __timespec_defined */
#endif /* __NEWLIB__ */
#else /* CONFIG_NEWLIB_LIBC */
/* Not Newlib */
# ifdef CONFIG_ARCH_POSIX
# include <bits/types/struct_timespec.h>
# include <bits/types/struct_itimerspec.h>
# else
# include <sys/timespec.h>
# endif
#endif /* CONFIG_NEWLIB_LIBC */
#include <kernel.h>
#include <errno.h>
#include "posix_types.h"
#include <posix/signal.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef CLOCK_REALTIME
#define CLOCK_REALTIME 1
#endif
#ifndef CLOCK_MONOTONIC
#define CLOCK_MONOTONIC 4
#endif
#define NSEC_PER_MSEC (NSEC_PER_USEC * USEC_PER_MSEC)
#ifndef TIMER_ABSTIME
#define TIMER_ABSTIME 4
#endif
static inline int32_t _ts_to_ms(const struct timespec *to)
{
return (to->tv_sec * MSEC_PER_SEC) + (to->tv_nsec / NSEC_PER_MSEC);
}
#ifdef CONFIG_ARCH_POSIX
int clock_gettime(clockid_t clock_id, struct timespec *ts);
#else
__syscall int clock_gettime(clockid_t clock_id, struct timespec *ts);
#endif /* CONFIG_ARCH_POSIX */
int clock_settime(clockid_t clock_id, const struct timespec *ts);
/* Timer APIs */
int timer_create(clockid_t clockId, struct sigevent *evp, timer_t *timerid);
int timer_delete(timer_t timerid);
int timer_gettime(timer_t timerid, struct itimerspec *its);
int timer_settime(timer_t timerid, int flags, const struct itimerspec *value,
struct itimerspec *ovalue);
int nanosleep(const struct timespec *rqtp, struct timespec *rmtp);
#ifdef __cplusplus
}
#endif
#ifndef CONFIG_ARCH_POSIX
#include <syscalls/time.h>
#endif /* CONFIG_ARCH_POSIX */
#endif /* ZEPHYR_INCLUDE_POSIX_TIME_H_ */