Class LogMessageData

chromium/base/logging.h:993–1021

  // We keep the data in a separate struct so that each instance of
  // LogMessage uses less stack space.
  struct LogMessageData {
    LogMessageData() {};

    int preserved_errno_;         // errno at Init() time
    scoped_array<char> buf_;      // buffer space for non FATAL messages
    char* message_text_;          // Complete message text
    scoped_ptr<LogStream> stream_alloc_;
    LogStream* stream_;
    char severity_;               // level of LogMessage (ex. I, W, E, F)
    int line_;                    // line number of file that called LOG
    void (LogMessage::*send_method_)();  // Call this in destructor to send
    union {  // At most one of these is used: union to keep the size low.
      LogSink* sink_;             // NULL or sink to send message to
      vector<string>* outvec_;    // NULL or vector to push message onto
      string* message_;           // NULL or string to write message into
    };
    time_t timestamp_;            // Time of creation of LogMessage
    struct tm tm_time_;           // Time of creation of LogMessage
    size_t num_prefix_chars_;     // # of chars of prefix in this message
    size_t num_chars_to_log_;     // # of chars of msg to send to log
    size_t num_chars_to_syslog_;  // # of chars of msg to send to syslog
    const char* basename_;        // basename of file that called LOG
    const char* fullname_;        // fullname of file that called LOG
    bool has_been_flushed_;       // false => data has not been flushed
    bool first_fatal_;            // true => this was first fatal msg

   private:
    DISALLOW_EVIL_CONSTRUCTORS(LogMessageData);
  };

  static LogMessageData fatal_msg_data_exclusive_;
  static LogMessageData fatal_msg_data_shared_;