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TMXR: Properly initialize TMXR and UNIT connections

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This will fix the SEGFAULT discussed in #528
This commit is contained in:
Mark Pizzolato 2018-03-02 17:26:45 -08:00
parent 335b4ef210
commit ba962252b0
1 changed files with 17 additions and 3 deletions
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20
sim_tmxr.c
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@ -986,15 +986,29 @@ if (mp->last_poll_time == 0) { /* first poll initializa
if (!uptr) /* Attached ? */
return -1; /* No connections are possinle! */
uptr->dynflags |= UNIT_TM_POLL; /* Tag as polling unit */
uptr->tmxr = (void *)mp; /* Connect UNIT to TMXR */
if (mp->poll_interval == 0) /* Assure reasonable polling interval */
mp->poll_interval = TMXR_DEFAULT_CONNECT_POLL_INTERVAL;
if (!(uptr->dynflags & TMUF_NOASYNCH)) { /* if asynch not disabled */
if (!(uptr->dynflags & TMUF_NOASYNCH)) /* if asynch not disabled */
sim_cancel (uptr);
}
for (i=0; i < mp->lines; i++) {
if (mp->ldsc[i].uptr)
mp->ldsc[i].uptr->dynflags |= UNIT_TM_POLL; /* Tag as polling unit */
else
mp->ldsc[i].uptr = uptr; /* default line input polling to primary poll unit */
if (mp->ldsc[i].o_uptr)
mp->ldsc[i].o_uptr->dynflags |= UNIT_TM_POLL;/* Tag as polling unit */
else
mp->ldsc[i].o_uptr = uptr; /* default line output polling to primary poll unit */
if (!(mp->uptr->dynflags & TMUF_NOASYNCH)) { /* if asynch not disabled */
sim_cancel (mp->ldsc[i].uptr);
if (mp->ldsc[i].uptr)
sim_cancel (mp->ldsc[i].uptr);
if (mp->ldsc[i].o_uptr)
sim_cancel (mp->ldsc[i].o_uptr);
}
}
}