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/*
* Copyright (c) 2021, Gunnar Beutner <gbeutner@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Assertions.h>
#include <AK/NumericLimits.h>
#include <AK/Types.h>
namespace Profiler {
// DistinctNumeric's constructor is non-explicit which makes accidentally turning
// an unrelated u64 into a serial number all too easy.
class EventSerialNumber {
public:
constexpr EventSerialNumber() = default;
void increment()
{
m_serial++;
}
size_t to_number() const
{
return m_serial;
}
static EventSerialNumber max_valid_serial()
{
return EventSerialNumber { NumericLimits<size_t>::max() };
}
bool operator==(EventSerialNumber const& rhs) const
{
return m_serial == rhs.m_serial;
}
bool operator<(EventSerialNumber const& rhs) const
{
return m_serial < rhs.m_serial;
}
bool operator>(EventSerialNumber const& rhs) const
{
return m_serial > rhs.m_serial;
}
bool operator<=(EventSerialNumber const& rhs) const
{
return m_serial <= rhs.m_serial;
}
bool operator>=(EventSerialNumber const& rhs) const
{
return m_serial >= rhs.m_serial;
}
private:
size_t m_serial { 0 };
constexpr explicit EventSerialNumber(size_t serial)
: m_serial(serial)
{
}
};
}
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