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83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2018 Red Hat, Inc.
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*/
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#ifndef __NM_TIME_UTILS_H__
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#define __NM_TIME_UTILS_H__
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#include <time.h>
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_nm_always_inline static inline gint64
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_nm_utils_timespec_to_xsec(const struct timespec *ts, gint64 xsec_per_sec)
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{
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nm_assert(ts);
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if (ts->tv_sec < 0 || ts->tv_nsec < 0)
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return G_MAXINT64;
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if (ts->tv_sec > ((guint64) G_MAXINT64) || ts->tv_nsec > ((guint64) G_MAXINT64)
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|| ts->tv_sec >= (G_MAXINT64 - ((gint64) ts->tv_nsec)) / xsec_per_sec)
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return G_MAXINT64;
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return (((gint64) ts->tv_sec) * xsec_per_sec)
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+ (((gint64) ts->tv_nsec) / (NM_UTILS_NSEC_PER_SEC / xsec_per_sec));
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}
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static inline gint64
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nm_utils_timespec_to_nsec(const struct timespec *ts)
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{
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return _nm_utils_timespec_to_xsec(ts, NM_UTILS_NSEC_PER_SEC);
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}
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static inline gint64
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nm_utils_timespec_to_usec(const struct timespec *ts)
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{
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return _nm_utils_timespec_to_xsec(ts, NM_UTILS_USEC_PER_SEC);
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}
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static inline gint64
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nm_utils_timespec_to_msec(const struct timespec *ts)
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{
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return _nm_utils_timespec_to_xsec(ts, NM_UTILS_MSEC_PER_SEC);
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}
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gint64 nm_utils_get_monotonic_timestamp_nsec(void);
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gint64 nm_utils_get_monotonic_timestamp_usec(void);
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gint64 nm_utils_get_monotonic_timestamp_msec(void);
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gint32 nm_utils_get_monotonic_timestamp_sec(void);
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gint64 nm_utils_monotonic_timestamp_as_boottime(gint64 timestamp, gint64 timestamp_ticks_per_nsec);
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gint64 nm_utils_monotonic_timestamp_from_boottime(guint64 boottime, gint64 timestamp_nsec_per_tick);
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static inline gint64
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nm_utils_get_monotonic_timestamp_nsec_cached(gint64 *cache_now)
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{
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return (*cache_now) ?: (*cache_now = nm_utils_get_monotonic_timestamp_nsec());
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}
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static inline gint64
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nm_utils_get_monotonic_timestamp_usec_cached(gint64 *cache_now)
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{
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return (*cache_now) ?: (*cache_now = nm_utils_get_monotonic_timestamp_usec());
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}
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static inline gint64
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nm_utils_get_monotonic_timestamp_msec_cached(gint64 *cache_now)
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{
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return (*cache_now) ?: (*cache_now = nm_utils_get_monotonic_timestamp_msec());
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}
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static inline gint32
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nm_utils_get_monotonic_timestamp_sec_cached(gint32 *cache_now)
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{
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return (*cache_now) ?: (*cache_now = nm_utils_get_monotonic_timestamp_sec());
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}
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gint64 nm_utils_clock_gettime_nsec(clockid_t clockid);
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gint64 nm_utils_clock_gettime_usec(clockid_t clockid);
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gint64 nm_utils_clock_gettime_msec(clockid_t clockid);
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gint64 nm_time_map_clock(gint64 from, gint64 from_base, gint64 to_base);
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#endif /* __NM_TIME_UTILS_H__ */
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