91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
/*
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* Copyright (c) 2018 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_POSIX_TIME_H_
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#define ZEPHYR_INCLUDE_POSIX_TIME_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef CONFIG_NEWLIB_LIBC
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/* Kludge to support outdated newlib version as used in SDK 0.10 for Xtensa */
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#include <newlib.h>
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#ifdef __NEWLIB__
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/* Newever Newlib 3.x+ */
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#include <sys/_timespec.h>
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#else
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/* Workaround for older Newlib 2.x, as used by Xtensa. It lacks sys/_timeval.h,
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* so mimic it here.
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*/
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#include <sys/types.h>
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#ifndef __timespec_defined
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struct timespec {
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time_t tv_sec;
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long tv_nsec;
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};
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#endif
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#endif
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#else
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/* Not Newlib */
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#include <sys/_timespec.h>
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#endif /* CONFIG_NEWLIB_LIBC */
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/* Older newlib's like 2.{0-2}.0 don't define any newlib version defines, only
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* __NEWLIB_H__ so we use that to decide if itimerspec was defined in
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* sys/types.h w/o any protection. It appears sometime in the 2.3.0 version
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* of newlib did itimerspec move out of sys/types.h, however version 2.3.0
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* seems to report itself as __NEWLIB_MINOR__ == 2, where as 2.2.0 doesn't
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* even define __NEWLIB_MINOR__ or __NEWLIB__
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*/
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#if !defined(__NEWLIB_H__) || (__NEWLIB__ >= 3) || \
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(__NEWLIB__ == 2 && __NEWLIB_MINOR__ >= 2)
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struct itimerspec {
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struct timespec it_interval; /* Timer interval */
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struct timespec it_value; /* Timer expiration */
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};
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#endif
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#include <kernel.h>
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#include <errno.h>
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#include "posix_types.h"
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#include <posix/signal.h>
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#ifndef CLOCK_REALTIME
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#define CLOCK_REALTIME 0
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#endif
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#ifndef CLOCK_MONOTONIC
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#define CLOCK_MONOTONIC 1
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#endif
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#define NSEC_PER_MSEC (NSEC_PER_USEC * USEC_PER_MSEC)
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#ifndef TIMER_ABSTIME
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#define TIMER_ABSTIME 4
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#endif
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static inline s32_t _ts_to_ms(const struct timespec *to)
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{
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return (to->tv_sec * MSEC_PER_SEC) + (to->tv_nsec / NSEC_PER_MSEC);
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}
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int clock_gettime(clockid_t clock_id, struct timespec *ts);
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int clock_settime(clockid_t clock_id, const struct timespec *ts);
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/* Timer APIs */
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int timer_create(clockid_t clockId, struct sigevent *evp, timer_t *timerid);
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int timer_delete(timer_t timerid);
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int timer_gettime(timer_t timerid, struct itimerspec *its);
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int timer_settime(timer_t timerid, int flags, const struct itimerspec *value,
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struct itimerspec *ovalue);
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#ifdef __cplusplus
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}
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#endif
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#endif /* ZEPHYR_INCLUDE_POSIX_TIME_H_ */
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