Mine

#include <loudmouth/loudmouth.h>

static gboolean
_unref_lm_connection (gpointer data)
{
  LmConnection *conn = (LmConnection *) data;
//  sleep (1);
  lm_connection_unref (conn);
  return FALSE;
}

static void
connection_open_cb (LmConnection *lmconn,
                    gboolean      success,
                    gpointer      data)
{
  g_assert (!success);
  g_assert (!lm_connection_is_open (lmconn));
  g_idle_add (_unref_lm_connection, lmconn);
}

int main (int argc, char **argv)
{
  GMainLoop *mainloop;
  LmConnection *conn;

  if (argc > 1)
    g_debug ("moo");

  conn = lm_connection_new ("127.1.2.3");
  lm_connection_open (conn, connection_open_cb, NULL, NULL, NULL);

  mainloop = g_main_loop_new (NULL, TRUE);
  g_main_loop_run (mainloop);
}