text: // Copyright 2014 The Crashpad Authors. All rights reserved.
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //     http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  #ifndef CRASHPAD_SNAPSHOT_MAC_SYSTEM_SNAPSHOT_MAC_H_
  #define CRASHPAD_SNAPSHOT_MAC_SYSTEM_SNAPSHOT_MAC_H_
  
  #include <stdint.h>
  
  #include <string>
  
  #include "base/macros.h"
  #include "snapshot/system_snapshot.h"
  #include "util/misc/initialization_state_dcheck.h"
  
  namespace crashpad {
  
  class ProcessReader;
  
  namespace internal {
  
  //! \brief A SystemSnapshot of the running system, when the system runs Mac OS
  //!     X.
  class SystemSnapshotMac final : public SystemSnapshot {
   public:
    SystemSnapshotMac();
    ~SystemSnapshotMac() override;
  
    //! \brief Initializes the object.
    //!
    //! \param[in] process_reader A reader for the process being snapshotted.
    //!     \n\n
    //!     It seems odd that a system snapshot implementation would need a
    //!     ProcessReader, but some of the information reported about the system
    //!     depends on the process it’s being reported for. For example, the
    //!     architecture returned by GetCPUArchitecture() should be the
    //!     architecture of the process, which may be different than the native
    //!     architecture of the system: an x86_64 system can run both x86_64 and
    //!     32-bit x86 processes.
    //! \param[in] snapshot_time The time of the snapshot being taken.
    //!     \n\n
    //!     This parameter is necessary for TimeZone() to determine whether
    //!     daylight saving time was in effect at the time the snapshot was taken.
    //!     Otherwise, it would need to base its determination on the current
    //!     time, which may be different than the snapshot time for snapshots
    //!     generated around the daylight saving transition time.
    void Initialize(ProcessReader* process_reader, const timeval* snapshot_time);
  
    // SystemSnapshot:
  
    CPUArchitecture GetCPUArchitecture() const override;
    uint32_t CPURevision() const override;
    uint8_t CPUCount() const override;
    std::string CPUVendor() const override;
    void CPUFrequency(uint64_t* current_hz, uint64_t* max_hz) const override;
    uint32_t CPUX86Signature() const override;
    uint64_t CPUX86Features() const override;
    uint64_t CPUX86ExtendedFeatures() const override;
    uint32_t CPUX86Leaf7Features() const override;
    bool CPUX86SupportsDAZ() const override;
    OperatingSystem GetOperatingSystem() const override;
    bool OSServer() const override;
    void OSVersion(
        int* major, int* minor, int* bugfix, std::string* build) const override;
    std::string OSVersionFull() const override;
    bool NXEnabled() const override;
    std::string MachineDescription() const override;
    void TimeZone(DaylightSavingTimeStatus* dst_status,
                  int* standard_offset_seconds,
                  int* daylight_offset_seconds,
                  std::string* standard_name,
                  std::string* daylight_name) const override;
  
   private:
    std::string os_version_full_;
    std::string os_version_build_;
    ProcessReader* process_reader_;  // weak
    const timeval* snapshot_time_;  // weak
    int os_version_major_;
    int os_version_minor_;
    int os_version_bugfix_;
    bool os_server_;
    InitializationStateDcheck initialized_;
  
    DISALLOW_COPY_AND_ASSIGN(SystemSnapshotMac);
  };
  
  }  // namespace internal
  }  // namespace crashpad
  
  #endif  // CRASHPAD_SNAPSHOT_MAC_SYSTEM_SNAPSHOT_MAC_H_
  