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58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
/* sp-clock.h
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*
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* Copyright © 2016 Christian Hergert <chergert@redhat.com>
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*
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* This file is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This file is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SP_CLOCK_H
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#define SP_CLOCK_H
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#include <glib.h>
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#include <time.h>
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G_BEGIN_DECLS
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typedef gint SpClock;
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typedef gint64 SpTimeStamp;
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typedef gint32 SpTimeSpan;
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extern SpClock sp_clock;
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static inline SpTimeStamp
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sp_clock_get_current_time (void)
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{
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struct timespec ts;
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SpClock clock = sp_clock;
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if G_UNLIKELY (clock == -1)
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clock = CLOCK_MONOTONIC;
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clock_gettime (clock, &ts);
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return (ts.tv_sec * G_GINT64_CONSTANT (1000000000)) + ts.tv_nsec;
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}
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static inline SpTimeSpan
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sp_clock_get_relative_time (SpTimeStamp epoch)
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{
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return sp_clock_get_current_time () - epoch;
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}
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void sp_clock_init (void);
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G_END_DECLS
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#endif /* SP_CLOCK_H */
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