UNIT_TM_POLL     1916 src/simh/sim_console.c     sim_con_unit.dynflags &= ~UNIT_TM_POLL;             /* we can't poll asynchronously */
UNIT_TM_POLL      822 src/simh/sim_tmxr.c         uptr->dynflags |= UNIT_TM_POLL;                 /* tag as polling unit */
UNIT_TM_POLL      829 src/simh/sim_tmxr.c             uptr->dynflags |= UNIT_TM_POLL;             /* tag as polling unit */
UNIT_TM_POLL     3209 src/simh/sim_tmxr.c     uptr->dynflags &= ~UNIT_TM_POLL;                    /* no polling */
UNIT_TM_POLL     3210 src/simh/sim_tmxr.c     o_uptr->dynflags &= ~UNIT_TM_POLL;                  /* no polling */
UNIT_TM_POLL     3213 src/simh/sim_tmxr.c uptr->dynflags &= ~(UNIT_TM_POLL|TMUF_NOASYNCH);        /* no polling, not asynch disabled  */