TMJOIN
#define OK_FLAGS (TMJOIN | TMRESUME | TMNOWAIT | TMASYNC | TMNOFLAGS)
if (LF_ISSET(TMJOIN) && LF_ISSET(TMRESUME))
if (is_known && !LF_ISSET(TMRESUME) && !LF_ISSET(TMJOIN))
if (!is_known && LF_ISSET(TMRESUME | TMJOIN))