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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_TimeStamp_windows_h
#define mozilla_TimeStamp_windows_h
#include "mozilla/Types.h"
namespace mozilla {
class TimeStamp;
class TimeStampValue
{
friend struct IPC::ParamTraits<mozilla::TimeStampValue>;
friend class TimeStamp;
friend void StartupTimelineRecordExternal(int, uint64_t);
// Both QPC and GTC are kept in [mt] units.
uint64_t mGTC;
uint64_t mQPC;
bool mHasQPC;
bool mIsNull;
MFBT_API TimeStampValue(uint64_t aGTC, uint64_t aQPC, bool aHasQPC);
MFBT_API uint64_t CheckQPC(const TimeStampValue& aOther) const;
struct _SomethingVeryRandomHere;
constexpr TimeStampValue(_SomethingVeryRandomHere* aNullValue)
: mGTC(0)
, mQPC(0)
, mHasQPC(false)
, mIsNull(true)
{
}
public:
MFBT_API uint64_t operator-(const TimeStampValue& aOther) const;
TimeStampValue operator+(const int64_t aOther) const
{
return TimeStampValue(mGTC + aOther, mQPC + aOther, mHasQPC);
}
TimeStampValue operator-(const int64_t aOther) const
{
return TimeStampValue(mGTC - aOther, mQPC - aOther, mHasQPC);
}
MFBT_API TimeStampValue& operator+=(const int64_t aOther);
MFBT_API TimeStampValue& operator-=(const int64_t aOther);
bool operator<(const TimeStampValue& aOther) const
{
return int64_t(*this - aOther) < 0;
}
bool operator>(const TimeStampValue& aOther) const
{
return int64_t(*this - aOther) > 0;
}
bool operator<=(const TimeStampValue& aOther) const
{
return int64_t(*this - aOther) <= 0;
}
bool operator>=(const TimeStampValue& aOther) const
{
return int64_t(*this - aOther) >= 0;
}
bool operator==(const TimeStampValue& aOther) const
{
return int64_t(*this - aOther) == 0;
}
bool operator!=(const TimeStampValue& aOther) const
{
return int64_t(*this - aOther) != 0;
}
};
}
#endif /* mozilla_TimeStamp_h */
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