| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
| /* 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; |
| MOZ_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 */ |
