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aa5f55149b
In order to provide higher precision event time stamps, change the internal time measuring from milliseconds to microseconds. Microseconds are chosen because it is the most fine grained time stamp we can get from evdev. The API is extended with high precision getters whenever the given information is available. Signed-off-by: Jonas Ådahl <jadahl@gmail.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/*
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* Copyright © 2014 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef TIMER_H
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#define TIMER_H
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#include <stdint.h>
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#include "libinput-util.h"
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struct libinput;
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struct libinput_timer {
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struct libinput *libinput;
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struct list link;
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uint64_t expire; /* in absolute us CLOCK_MONOTONIC */
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void (*timer_func)(uint64_t now, void *timer_func_data);
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void *timer_func_data;
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};
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void
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libinput_timer_init(struct libinput_timer *timer, struct libinput *libinput,
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void (*timer_func)(uint64_t now, void *timer_func_data),
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void *timer_func_data);
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/* Set timer expire time, in absolute us CLOCK_MONOTONIC */
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void
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libinput_timer_set(struct libinput_timer *timer, uint64_t expire);
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void
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libinput_timer_cancel(struct libinput_timer *timer);
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int
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libinput_timer_subsys_init(struct libinput *libinput);
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void
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libinput_timer_subsys_destroy(struct libinput *libinput);
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#endif
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