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https://github.com/SerenityOS/serenity
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LibCore+LibWeb: Use AK::Time instead of timeval in Core::ElapsedTimer
This removes the direct dependency on sys/time.h from ElapsedTimer, and makes the code a lot cleaner by using the helpers from AK::Time for time math and getting the current timestamp.
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@ -7,8 +7,6 @@
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#include <AK/Assertions.h>
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#include <AK/Time.h>
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#include <LibCore/ElapsedTimer.h>
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#include <sys/time.h>
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#include <time.h>
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namespace Core {
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@ -22,34 +20,25 @@ ElapsedTimer ElapsedTimer::start_new()
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void ElapsedTimer::start()
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{
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m_valid = true;
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timespec now_spec;
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clock_gettime(m_precise ? CLOCK_MONOTONIC : CLOCK_MONOTONIC_COARSE, &now_spec);
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m_origin_time.tv_sec = now_spec.tv_sec;
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m_origin_time.tv_usec = now_spec.tv_nsec / 1000;
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m_origin_time = m_precise ? Time::now_monotonic() : Time::now_monotonic_coarse();
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}
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void ElapsedTimer::reset()
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{
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m_valid = false;
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m_origin_time = { 0, 0 };
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m_origin_time = {};
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}
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int ElapsedTimer::elapsed() const
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i64 ElapsedTimer::elapsed() const
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{
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VERIFY(is_valid());
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struct timeval now;
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timespec now_spec;
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clock_gettime(m_precise ? CLOCK_MONOTONIC : CLOCK_MONOTONIC_COARSE, &now_spec);
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now.tv_sec = now_spec.tv_sec;
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now.tv_usec = now_spec.tv_nsec / 1000;
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struct timeval diff;
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timeval_sub(now, m_origin_time, diff);
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return diff.tv_sec * 1000 + diff.tv_usec / 1000;
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return elapsed_time().to_milliseconds();
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}
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Time ElapsedTimer::elapsed_time() const
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{
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return Time::from_milliseconds(elapsed());
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VERIFY(is_valid());
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auto now = m_precise ? Time::now_monotonic() : Time::now_monotonic_coarse();
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return now - m_origin_time;
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}
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}
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@ -7,7 +7,6 @@
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#pragma once
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#include <AK/Time.h>
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#include <sys/time.h>
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namespace Core {
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@ -23,17 +22,16 @@ public:
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bool is_valid() const { return m_valid; }
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void start();
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void reset();
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int elapsed() const;
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i64 elapsed() const; // milliseconds
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Time elapsed_time() const;
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const struct timeval& origin_time() const { return m_origin_time; }
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Time const& origin_time() const { return m_origin_time; }
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private:
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Time m_origin_time {};
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bool m_precise { false };
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bool m_valid { false };
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struct timeval m_origin_time {
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0, 0
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};
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};
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}
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@ -39,8 +39,7 @@ JS::GCPtr<NavigationTiming::PerformanceTiming> Performance::timing()
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double Performance::time_origin() const
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{
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auto origin = m_timer.origin_time();
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return (origin.tv_sec * 1000.0) + (origin.tv_usec / 1000.0);
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return static_cast<double>(m_timer.origin_time().to_milliseconds());
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}
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}
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