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Atmosphere/libraries/libstratosphere/include/stratosphere/os/os_tick.hpp

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/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "os_common_types.hpp"
namespace ams::os {
class Tick;
/* Tick API. */
Tick GetSystemTick();
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Tick GetSystemTickOrdered();
s64 GetSystemTickFrequency();
TimeSpan ConvertToTimeSpan(Tick tick);
Tick ConvertToTick(TimeSpan ts);
class Tick {
private:
s64 tick;
public:
constexpr explicit Tick(s64 t = 0) : tick(t) { /* ... */ }
Tick(TimeSpan ts) : tick(ConvertToTick(ts).GetInt64Value()) { /* ... */ }
public:
constexpr s64 GetInt64Value() const { return this->tick; }
TimeSpan ToTimeSpan() const { return ConvertToTimeSpan(*this); }
/* Tick arithmetic. */
constexpr Tick &operator+=(Tick rhs) { this->tick += rhs.tick; return *this; }
constexpr Tick &operator-=(Tick rhs) { this->tick -= rhs.tick; return *this; }
constexpr Tick operator+(Tick rhs) const { Tick r(*this); return r += rhs; }
constexpr Tick operator-(Tick rhs) const { Tick r(*this); return r -= rhs; }
constexpr bool operator==(const Tick &rhs) const {
return this->tick == rhs.tick;
}
constexpr bool operator!=(const Tick &rhs) const {
return !(*this == rhs);
}
constexpr bool operator<(const Tick &rhs) const {
return this->tick < rhs.tick;
}
constexpr bool operator>=(const Tick &rhs) const {
return !(*this < rhs);
}
constexpr bool operator>(const Tick &rhs) const {
return this->tick > rhs.tick;
}
constexpr bool operator<=(const Tick &rhs) const {
return !(*this > rhs);
}
};
}