mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-29 15:52:07 +00:00
62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim:set ts=2 sw=2 sts=2 et cindent: */
|
|
/* 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
|
|
|
|
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;
|
|
|
|
TimeStampValue(uint64_t GTC, uint64_t QPC, bool hasQPC);
|
|
|
|
uint64_t CheckQPC(const TimeStampValue &aOther) const;
|
|
|
|
struct _SomethingVeryRandomHere;
|
|
MOZ_CONSTEXPR TimeStampValue(_SomethingVeryRandomHere* nullValue)
|
|
: mGTC(0), mQPC(0), mHasQPC(false), mIsNull(true) {}
|
|
|
|
|
|
public:
|
|
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); }
|
|
TimeStampValue& operator+=(const int64_t aOther);
|
|
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 */
|