int mysqld_main(int argc, char **argv)
{
  my_progname= argv[0];

  /*
    When several instances are running on the same machine, we
    need to have an  unique  named  hEventShudown  through the
    application PID e.g.: MySQLShutdown1890; MySQLShutdown2342
  */
  int10_to_str((int) GetCurrentProcessId(),strmov(shutdown_event_name,
                                                  "MySQLShutdown"), 10);

  /* Must be initialized early for comparison of service name */
  system_charset_info= &my_charset_utf8_general_ci;

  if (my_init())
  {
    fprintf(stderr, "my_init() failed.");
    return 1;
  }

  if (Service.GetOS())	/* true NT family */
  {
    char file_path[FN_REFLEN];
    my_path(file_path, argv[0], "");		      /* Find name in path */
    fn_format(file_path,argv[0],file_path,"",
	      MY_REPLACE_DIR | MY_UNPACK_FILENAME | MY_RESOLVE_SYMLINKS);

    if (argc == 2)
    {
      if (!default_service_handling(argv, MYSQL_SERVICENAME, MYSQL_SERVICENAME,
				   file_path, "", NULL))
	return 0;
      if (Service.IsService(argv[1]))        /* Start an optional service */
      {
	/*
	  Only add the service name to the groups read from the config file
	  if it's not "MySQL". (The default service name should be 'mysqld'
	  but we started a bad tradition by calling it MySQL from the start
	  and we are now stuck with it.
	*/
	if (my_strcasecmp(system_charset_info, argv[1],"mysql"))
	  load_default_groups[load_default_groups_sz-2]= argv[1];
        start_mode= 1;
        Service.Init(argv[1], mysql_service);
        return 0;
      }
    }
    else if (argc == 3) /* install or remove any optional service */
    {
      if (!default_service_handling(argv, argv[2], argv[2], file_path, "",
                                    NULL))
	return 0;
      if (Service.IsService(argv[2]))
      {
	/*
	  mysqld was started as
	  mysqld --defaults-file=my_path\my.ini service-name
	*/
	use_opt_args=1;
	opt_argc= 2;				// Skip service-name
	opt_argv=argv;
	start_mode= 1;
	if (my_strcasecmp(system_charset_info, argv[2],"mysql"))
	  load_default_groups[load_default_groups_sz-2]= argv[2];
	Service.Init(argv[2], mysql_service);
	return 0;
      }
    }
    else if (argc == 4 || argc == 5)
    {
      /*
        This may seem strange, because we handle --local-service while
        preserving 4.1's behavior of allowing any one other argument that is
        passed to the service on startup. (The assumption is that this is
        --defaults-file=file, but that was not enforced in 4.1, so we don't
        enforce it here.)
      */
      const char *extra_opt= NullS;
      const char *account_name = NullS;
      int index;
      for (index = 3; index < argc; index++)
      {
        if (!strcmp(argv[index], "--local-service"))
          account_name= "NT AUTHORITY\\LocalService";
        else
          extra_opt= argv[index];
      }

      if (argc == 4 || account_name)
        if (!default_service_handling(argv, argv[2], argv[2], file_path,
                                      extra_opt, account_name))
          return 0;
    }
    else if (argc == 1 && Service.IsService(MYSQL_SERVICENAME))
    {
      /* start the default service */
      start_mode= 1;
      Service.Init(MYSQL_SERVICENAME, mysql_service);
      return 0;
    }
  }
  /* Start as standalone server */
  Service.my_argc=argc;
  Service.my_argv=argv;
  mysql_service(NULL);
  return 0;
}