LBTF_DEB_THREAD
lbtf_deb_enter(LBTF_DEB_THREAD);
lbtf_deb_leave(LBTF_DEB_THREAD);
#define lbtf_deb_thread(fmt, args...) LBTF_DEB_LL(LBTF_DEB_THREAD, " thread", fmt, ##args)