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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 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_TimeStamp_windows_h
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#define mozilla_TimeStamp_windows_h
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namespace mozilla {
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class TimeStamp;
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class TimeStampValue
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{
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friend struct IPC::ParamTraits<mozilla::TimeStampValue>;
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friend class TimeStamp;
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friend void StartupTimelineRecordExternal(int, uint64_t);
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// Both QPC and GTC are kept in [mt] units.
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uint64_t mGTC;
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uint64_t mQPC;
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bool mHasQPC;
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bool mIsNull;
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TimeStampValue(uint64_t GTC, uint64_t QPC, bool hasQPC);
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uint64_t CheckQPC(const TimeStampValue &aOther) const;
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struct _SomethingVeryRandomHere;
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MOZ_CONSTEXPR TimeStampValue(_SomethingVeryRandomHere* nullValue)
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: mGTC(0), mQPC(0), mHasQPC(false), mIsNull(true) {}
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public:
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uint64_t operator-(const TimeStampValue &aOther) const;
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TimeStampValue operator+(const int64_t aOther) const
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{ return TimeStampValue(mGTC + aOther, mQPC + aOther, mHasQPC); }
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TimeStampValue operator-(const int64_t aOther) const
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{ return TimeStampValue(mGTC - aOther, mQPC - aOther, mHasQPC); }
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TimeStampValue& operator+=(const int64_t aOther);
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TimeStampValue& operator-=(const int64_t aOther);
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bool operator<(const TimeStampValue &aOther) const
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{ return int64_t(*this - aOther) < 0; }
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bool operator>(const TimeStampValue &aOther) const
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{ return int64_t(*this - aOther) > 0; }
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bool operator<=(const TimeStampValue &aOther) const
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{ return int64_t(*this - aOther) <= 0; }
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bool operator>=(const TimeStampValue &aOther) const
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{ return int64_t(*this - aOther) >= 0; }
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bool operator==(const TimeStampValue &aOther) const
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{ return int64_t(*this - aOther) == 0; }
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bool operator!=(const TimeStampValue &aOther) const
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{ return int64_t(*this - aOther) != 0; }
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};
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}
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#endif /* mozilla_TimeStamp_h */
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