| 16 |
|
#define CACHESIZE 16 /* default cache size (Mbytes, 0==inf) */ |
| 17 |
|
#endif |
| 18 |
|
#ifndef FREEBEAMS |
| 19 |
< |
#define FREEBEAMS 1024 /* maximum beams to free at a time */ |
| 19 |
> |
#define FREEBEAMS 1500 /* maximum beams to free at a time */ |
| 20 |
|
#endif |
| 21 |
|
#ifndef PCTFREE |
| 22 |
|
#define PCTFREE 15 /* maximum fraction to free (%) */ |
| 105 |
|
int fd; /* corresponding file descriptor */ |
| 106 |
|
HDGRID *hproto; /* holodeck section grid */ |
| 107 |
|
{ |
| 108 |
+ |
long rtrunc; |
| 109 |
|
long fpos; |
| 110 |
|
register HOLO *hp; |
| 111 |
|
register int n; |
| 145 |
|
hdattach(fd); |
| 146 |
|
/* check rays on disk */ |
| 147 |
|
fpos = hdfilen(fd); |
| 148 |
< |
biglob(hp)->nrd = 0; |
| 148 |
> |
biglob(hp)->nrd = rtrunc = 0; |
| 149 |
|
for (n = hproto == NULL ? nbeams(hp) : 0; n > 0; n--) |
| 150 |
|
if (hp->bi[n].nrd) |
| 151 |
< |
if (hp->bi[n].fo + hp->bi[n].nrd > fpos) |
| 152 |
< |
hp->bi[n].nrd = 0; /* off end */ |
| 153 |
< |
else |
| 151 |
> |
if (hp->bi[n].fo + hp->bi[n].nrd > fpos) { |
| 152 |
> |
rtrunc += hp->bi[n].nrd; |
| 153 |
> |
hp->bi[n].nrd = 0; |
| 154 |
> |
} else |
| 155 |
|
biglob(hp)->nrd += hp->bi[n].nrd; |
| 156 |
+ |
if (rtrunc) { |
| 157 |
+ |
sprintf(errmsg, "truncated section, %ld rays lost (%.1f%%)", |
| 158 |
+ |
rtrunc, 100.*rtrunc/(rtrunc+biglob(hp)->nrd)); |
| 159 |
+ |
error(WARNING, errmsg); |
| 160 |
+ |
} |
| 161 |
|
/* add to holodeck list */ |
| 162 |
|
for (n = 0; n < HDMAX; n++) |
| 163 |
|
if (hdlist[n] == NULL) { |
| 316 |
|
p = hdbray(hp->bl[i]) + hp->bl[i]->nrm; |
| 317 |
|
hp->bl[i]->nrm += nr; /* update in-core structure */ |
| 318 |
|
bzero((char *)p, nr*sizeof(RAYVAL)); |
| 319 |
< |
hp->bl[i]->tick = hdclock; /* update LRU clock */ |
| 313 |
< |
blglob(hp)->tick = hdclock++; |
| 319 |
> |
blglob(hp)->tick = hp->bl[i]->tick = hdclock++; /* update LRU clock */ |
| 320 |
|
return(p); /* point to new rays */ |
| 321 |
|
memerr: |
| 322 |
|
error(SYSTEM, "out of memory in hdnewrays"); |
| 347 |
|
if (read(hp->fd, (char *)hdbray(hp->bl[i]), n) != n) |
| 348 |
|
error(SYSTEM, "error reading beam from holodeck file"); |
| 349 |
|
} |
| 350 |
< |
hp->bl[i]->tick = hdclock; /* update LRU clock */ |
| 345 |
< |
blglob(hp)->tick = hdclock++; |
| 350 |
> |
blglob(hp)->tick = hp->bl[i]->tick = hdclock++; /* update LRU clock */ |
| 351 |
|
return(hp->bl[i]); |
| 352 |
|
} |
| 353 |
|
|
| 377 |
|
int (*bf)(); /* callback function (optional) */ |
| 378 |
|
{ |
| 379 |
|
unsigned origcachesize, memuse; |
| 375 |
– |
register BEAM *bp; |
| 380 |
|
int bytesloaded, needbytes, bytes2free; |
| 381 |
+ |
register BEAM *bp; |
| 382 |
|
register int i; |
| 383 |
|
/* precheck consistency */ |
| 384 |
+ |
if (n <= 0) return; |
| 385 |
|
for (i = n; i--; ) |
| 386 |
|
if (hb[i].h == NULL || hb[i].b < 1 | hb[i].b > nbeams(hb[i].h)) |
| 387 |
|
error(CONSISTENCY, "bad beam in hdloadbeams"); |
| 389 |
|
qsort((char *)hb, n, sizeof(HDBEAMI), hdfilord); |
| 390 |
|
bytesloaded = 0; /* run through loaded beams */ |
| 391 |
|
for ( ; n && (bp = hb->h->bl[hb->b]) != NULL; n--, hb++) { |
| 392 |
< |
bp->tick = hdclock; /* preempt swap */ |
| 392 |
> |
bp->tick = hdclock; /* preempt swap */ |
| 393 |
|
bytesloaded += bp->nrm; |
| 394 |
|
if (bf != NULL) |
| 395 |
< |
(*bf)(bp, hb->h, hb->b); |
| 395 |
> |
(*bf)(bp, hb); |
| 396 |
|
} |
| 397 |
|
bytesloaded *= sizeof(RAYVAL); |
| 398 |
|
if ((origcachesize = hdcachesize) > 0) { |
| 411 |
|
} |
| 412 |
|
for (i = 0; i < n; i++) |
| 413 |
|
if ((bp = hdgetbeam(hb[i].h, hb[i].b)) != NULL && bf != NULL) |
| 414 |
< |
(*bf)(bp, hb[i].h, hb[i].b); |
| 414 |
> |
(*bf)(bp, hb+i); |
| 415 |
|
hdcachesize = origcachesize; /* resume dynamic swapping */ |
| 416 |
|
} |
| 417 |
|
|
| 679 |
|
int freetarget; |
| 680 |
|
int n; |
| 681 |
|
register int i; |
| 682 |
+ |
#ifdef DEBUG |
| 683 |
+ |
unsigned membefore; |
| 684 |
+ |
|
| 685 |
+ |
membefore = hdmemuse(0); |
| 686 |
+ |
#endif |
| 687 |
|
/* compute free target */ |
| 688 |
|
freetarget = (honly != NULL) ? blglob(honly)->nrm : |
| 689 |
|
hdmemuse(0)/sizeof(RAYVAL) ; |
| 704 |
|
break; |
| 705 |
|
} |
| 706 |
|
hdsync(honly, 0); /* synchronize directories as necessary */ |
| 707 |
+ |
#ifdef DEBUG |
| 708 |
+ |
sprintf(errmsg, |
| 709 |
+ |
"%dK before, %dK after hdfreecache (%dK total), %d rays short\n", |
| 710 |
+ |
membefore>>10, hdmemuse(0)>>10, hdmemuse(1)>>10, freetarget); |
| 711 |
+ |
wputs(errmsg); |
| 712 |
+ |
#endif |
| 713 |
|
return(-freetarget); /* return how far past goal we went */ |
| 714 |
|
} |
| 715 |
|
|
| 722 |
|
if (hp == NULL) { /* NULL means clean up everything */ |
| 723 |
|
while (hdlist[0] != NULL) |
| 724 |
|
hddone(hdlist[0]); |
| 725 |
+ |
free((char *)hdfragl); |
| 726 |
+ |
hdfragl = NULL; nhdfragls = 0; |
| 727 |
|
return; |
| 728 |
|
} |
| 729 |
|
/* flush all data and free memory */ |
