Quelle MemoryPressureLevelMac.h Sprache: C

/* -*- 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_MemoryPressureLevelMac_h
#define mozilla_MemoryPressureLevelMac_h

namespace mozilla {

#if defined(XP_DARWIN)
// An internal representation of the Mac memory-pressure level constants.
class MacMemoryPressureLevel {
public:
  // Order enum values so that higher integer values represent higher
  // memory pressure levels allowing comparison operators to be used.
  enum class Value {
    eUnset,
    eUnexpected,
    eNormal,
    eWarning,
    eCritical,
  };

  MacMemoryPressureLevel() : mValue(Value::eUnset) {}
  MOZ_IMPLICIT MacMemoryPressureLevel(Value aValue) : mValue(aValue) {}

  bool operator==(const Value& aRhsValue) const { return mValue == aRhsValue; }
  bool operator==(const MacMemoryPressureLevel& aRhs) const {
    return mValue == aRhs.mValue;
  }

  // Implement '<' and derive the other comparators from it.
  bool operator<(const MacMemoryPressureLevel& aRhs) const {
    return mValue < aRhs.mValue;
  }
  bool operator>(const MacMemoryPressureLevel& aRhs) const {
    return aRhs < *this;
  }
  bool operator<=(const MacMemoryPressureLevel& aRhs) const {
    return !(aRhs < *this);
  }
  bool operator>=(const MacMemoryPressureLevel& aRhs) const {
    return !(*this < aRhs);
  }

  Value GetValue() { return mValue; }
  bool IsNormal() { return mValue == Value::eNormal; }
  bool IsUnsetOrNormal() { return IsNormal() || (mValue == Value::eUnset); }
  bool IsWarningOrAbove() {
    return (mValue == Value::eWarning) || (mValue == Value::eCritical);
  }

  const char* ToString() {
    switch (mValue) {
      case Value::eUnset:
        return "Unset";
      case Value::eUnexpected:
        return "Unexpected";
      case Value::eNormal:
        return "Normal";
      case Value::eWarning:
        return "Warning";
      case Value::eCritical:
        return "Critical";
    }
  }

private:
  Value mValue;
};
#endif

}  // namespace mozilla

#endif  // mozilla_MemoryPressureLevelMac_h

quality100%

¤ Dauer der Verarbeitung: 0.16 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.