mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 15:40:19 +00:00
57 lines
2.1 KiB
C++
57 lines
2.1 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <AK/Assertions.h>
|
|
#include <AK/Time.h>
|
|
#include <LibCore/ElapsedTimer.h>
|
|
#include <sys/time.h>
|
|
#include <time.h>
|
|
|
|
namespace Core {
|
|
|
|
void ElapsedTimer::start()
|
|
{
|
|
m_valid = true;
|
|
timespec now_spec;
|
|
clock_gettime(CLOCK_MONOTONIC, &now_spec);
|
|
m_start_time.tv_sec = now_spec.tv_sec;
|
|
m_start_time.tv_usec = now_spec.tv_nsec / 1000;
|
|
}
|
|
|
|
int ElapsedTimer::elapsed() const
|
|
{
|
|
ASSERT(is_valid());
|
|
struct timeval now;
|
|
timespec now_spec;
|
|
clock_gettime(CLOCK_MONOTONIC, &now_spec);
|
|
now.tv_sec = now_spec.tv_sec;
|
|
now.tv_usec = now_spec.tv_nsec / 1000;
|
|
struct timeval diff;
|
|
timeval_sub(now, m_start_time, diff);
|
|
return diff.tv_sec * 1000 + diff.tv_usec / 1000;
|
|
}
|
|
|
|
}
|