static int write_log()

in plugin/server_audit/server_audit.cc [1166:1204]

• 36 lines of code
• 9 McCabe index (conditional complexity)

static int write_log(const char *message, size_t len, int take_lock)
{
  int result= 0;
  if (take_lock)
  {
    /* Start by taking a read lock */
    mysql_prlock_rdlock(&lock_operations);
  }

  if (output_type == OUTPUT_FILE)
  {
    if (logfile)
    {
      my_bool allow_rotate= !take_lock; /* Allow rotate if caller write lock */
      if (take_lock && logger_time_to_rotate(logfile))
      {
        /* We have to rotate the log, change above read lock to write lock */
        mysql_prlock_unlock(&lock_operations);
        mysql_prlock_wrlock(&lock_operations);
        allow_rotate= 1;
      }
      if (!(is_active= (logger_write_r(logfile, allow_rotate, message, len) ==
                        (int) len)))
      {
        ++log_write_failures;
        result= 1;
      }
    }
  }
  else if (output_type == OUTPUT_SYSLOG)
  {
    syslog(syslog_facility_codes[syslog_facility] |
           syslog_priority_codes[syslog_priority],
           "%s %.*s", syslog_info, (int) len, message);
  }
  if (take_lock)
    mysql_prlock_unlock(&lock_operations);
  return result;
}