mirror of
https://gitlab.freedesktop.org/NetworkManager/NetworkManager.git
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3c0161a385
Using clock_gettime() directly is a bit inconvenient. We usually want to combine the fields of struct timespec into one timestamp (for example, in unit nanoseconds). Add a helper function to do that.
56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/* NetworkManager -- Network link manager
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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* (C) Copyright 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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static inline gint64
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nm_utils_timespec_to_ns (const struct timespec *ts)
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{
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return (((gint64) ts->tv_sec) * ((gint64) NM_UTILS_NS_PER_SECOND))
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+ ((gint64) ts->tv_nsec);
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}
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static inline gint64
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nm_utils_timespec_to_ms (const struct timespec *ts)
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{
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return (((gint64) ts->tv_sec) * ((gint64) 1000))
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+ (((gint64) ts->tv_nsec) / ((gint64) NM_UTILS_NS_PER_SECOND / 1000));
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}
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gint64 nm_utils_get_monotonic_timestamp_ns (void);
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gint64 nm_utils_get_monotonic_timestamp_us (void);
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gint64 nm_utils_get_monotonic_timestamp_ms (void);
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gint32 nm_utils_get_monotonic_timestamp_s (void);
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gint64 nm_utils_monotonic_timestamp_as_boottime (gint64 timestamp, gint64 timestamp_ticks_per_ns);
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static inline gint64
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nm_utils_get_monotonic_timestamp_ns_cached (gint64 *cache_now)
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{
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return (*cache_now)
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?: (*cache_now = nm_utils_get_monotonic_timestamp_ns ());
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}
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gint64 nm_utils_clock_gettime_ns (clockid_t clockid);
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gint64 nm_utils_clock_gettime_ms (clockid_t clockid);
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#endif /* __NM_TIME_UTILS_H__ */
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