a8adb16c0d
The new timer module provides an cross-platform interface for a high resolution monotonic clock. The timestamps are always relative to the creation of the timer and their unit is one microseconds. The timers can be used for logging, measuring elapsed time and implementing timeouts.
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/*
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* libdivecomputer
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*
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* Copyright (C) 2018 Jef Driesen
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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 2.1 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 Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#ifndef DC_TIMER_H
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#define DC_TIMER_H
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#include <libdivecomputer/common.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#if defined (_WIN32) && !defined (__GNUC__)
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typedef unsigned __int64 dc_usecs_t;
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#else
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typedef unsigned long long dc_usecs_t;
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#endif
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typedef struct dc_timer_t dc_timer_t;
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dc_status_t
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dc_timer_new (dc_timer_t **timer);
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dc_status_t
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dc_timer_now (dc_timer_t *timer, dc_usecs_t *usecs);
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dc_status_t
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dc_timer_free (dc_timer_t *timer);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* DC_TIMER_H */
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