// if(BC_Display::display_global->window_locked < 0)
// BC_Display::display_global->window_locked = 0;
pthread_mutex_unlock(&BC_Display::display_lock);
//printf("BC_Display::unlock_display %d result=%d\n", __LINE__, result);
// if(BC_Display::display_global->window_locked < 0)
// BC_Display::display_global->window_locked = 0;
pthread_mutex_unlock(&BC_Display::display_lock);
//printf("BC_Display::unlock_display %d result=%d\n", __LINE__, result);