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https://gitlab.freedesktop.org/libinput/libinput.git
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a202ed6115
This avoids mixing up milliseconds and usec, both by failing if we're providing just a number somewhere we expect usecs and also by making the API blindingly obvious that we're in usecs now. Part-of: <https://gitlab.freedesktop.org/libinput/libinput/-/merge_requests/1373>
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
/*
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* Copyright © 2008 Kristian Høgsberg
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* Copyright © 2013-2015 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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#pragma once
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#include "config.h"
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#include <stdint.h>
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#include "util-time.h"
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enum ratelimit_state {
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RATELIMIT_EXCEEDED,
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RATELIMIT_THRESHOLD,
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RATELIMIT_PASS,
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};
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struct ratelimit {
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usec_t interval;
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usec_t begin;
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unsigned int burst;
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unsigned int num;
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};
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void
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ratelimit_init(struct ratelimit *r, usec_t ival_us, unsigned int burst);
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enum ratelimit_state
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ratelimit_test(struct ratelimit *r);
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