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/*
* Copyright © 2013-2019 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#pragma once
#include "config.h"
#include <assert.h>
#include <time.h>
#include <stdint.h>
#include <unistd.h>
#include <linux/input.h>
#include "util-macros.h"
static inline void
msleep(unsigned int ms)
{
usleep(ms * 1000);
}
static inline uint64_t
us(uint64_t us)
{
return us;
}
static inline uint64_t
ns2us(uint64_t ns)
{
return us(ns / 1000);
}
static inline uint64_t
ms2us(uint64_t ms)
{
return us(ms * 1000);
}
static inline uint64_t
s2us(uint64_t s)
{
return ms2us(s * 1000);
}
static inline uint32_t
us2ms(uint64_t us)
{
return (uint32_t)(us / 1000);
}
static inline uint64_t
tv2us(const struct timeval *tv)
{
return s2us(tv->tv_sec) + tv->tv_usec;
}
static inline struct timeval
us2tv(uint64_t time)
{
struct timeval tv;
tv.tv_sec = time / ms2us(1000);
tv.tv_usec = time % ms2us(1000);
return tv;
}
struct human_time {
unsigned int value;
const char *unit;
};
/**
* Converts a time delta in µs to a human-readable time like "2h" or "4d"
*/
static inline struct human_time
to_human_time(uint64_t us)
{
struct human_time t;
struct c {
const char *unit;
unsigned int change_from_previous;
uint64_t limit;
} conversion[] = {
{"us", 1, 5000},
{"ms", 1000, 5000},
{"s", 1000, 120},
{"min", 60, 120},
{"h", 60, 48},
{"d", 24, ~0},
};
struct c *c;
uint64_t value = us;
ARRAY_FOR_EACH(conversion, c) {
value = value/c->change_from_previous;
if (value < c->limit) {
t.unit = c->unit;
t.value = value;
return t;
}
}
assert(!"We should never get here");
}
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