void ui_prepare(void)
{
char *p;
if(greeter>0)
return;
/* if find greeter, run it */
p = g_key_file_get_string(config, "base", "greeter", NULL);
if( p && p[0] )
{
char *argv[3]={p,NULL,NULL};
gboolean ret;
struct passwd *pw;
if(first)
{
char *t=g_key_file_get_string(config,"base","autologin",NULL);
if(t && !strchr(t,' '))
argv[1]="--auto-login";
g_free(t);
first=FALSE;
}
pw=getpwnam("lxdm");endpwent();
ret = g_spawn_async_with_pipes(NULL, argv, NULL,
G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD,greeter_setup, pw,
&greeter, greeter_pipe + 0, greeter_pipe + 1, NULL, NULL);
if( ret == TRUE )
{
g_free(p);
greeter_io = g_io_channel_unix_new(greeter_pipe[1]);
io_id = g_io_add_watch(greeter_io, G_IO_IN | G_IO_HUP | G_IO_ERR,
on_greeter_input, NULL);
lxcom_add_child_watch(greeter, on_greeter_exit, 0);
user=pw?pw->pw_uid:0;
return;
}
}
g_free(p);
first=FALSE;
}
void lxdm_startx(LXSession *s)
{
char *arg;
char **args;
int i;
char display[16];
lxsession_set_active(s);
sprintf(display,":%d",s->display);
setenv("DISPLAY",display,1);
#ifndef DISABLE_XAUTH
create_server_auth(s);
#endif
arg = lxsession_xserver_command(s);
args = g_strsplit(arg, " ", -1);
g_free(arg);
s->server = vfork();
switch( s->server )
{
case 0:
execvp(args[0], args);
g_critical("exec %s fail\n",args[0]);
lxdm_quit_self(0);
break;
case -1:
/* fatal error, should not restart self */
g_critical("fork proc fail\n");
lxdm_quit_self(0);
break;
default:
break;
}
g_strfreev(args);
lxcom_add_child_watch(s->server, on_xserver_stop, s);
g_message("%ld: add xserver watch\n",time(NULL));
for( i = 0; i < 100; i++ )
{
if(lxcom_last_sig==SIGINT || lxcom_last_sig==SIGTERM)
break;
if((s->dpy=xconn_open(display))!=NULL)
break;
g_usleep(50 * 1000);
//g_message("retry %d\n",i);
}
g_message("%ld: start xserver in %d retry",time(NULL),i);
if(s->dpy==NULL)
exit(EXIT_FAILURE);
if(s->option && g_key_file_has_key(config,s->option,"numlock",NULL))
{
i=g_key_file_get_integer(config,s->option,"numlock",0);
arg=g_strdup_printf("%s %d",LXDM_NUMLOCK_PATH,i);
g_spawn_command_line_async(arg,NULL);
g_free(arg);
}
else if(g_key_file_has_key(config,"base","numlock",NULL))
{
i=g_key_file_get_integer(config,"base","numlock",0);
arg=g_strdup_printf("%s %d",LXDM_NUMLOCK_PATH,i);
g_spawn_command_line_async(arg,NULL);
g_free(arg);
}
}
