| 10 |
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|
| 11 |
|
#include "rholo.h" |
| 12 |
|
#include "paths.h" |
| 13 |
+ |
#include <signal.h> |
| 14 |
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#include <sys/types.h> |
| 15 |
+ |
#include <sys/stat.h> |
| 16 |
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|
| 17 |
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/* the following must be consistent with rholo.h */ |
| 18 |
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int NVARS = NRHVARS; /* total number of variables */ |
| 35 |
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time_t endtime; /* time we should end by */ |
| 36 |
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time_t reporttime; /* time for next report */ |
| 37 |
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|
| 38 |
+ |
long maxdisk; /* maximum file space (bytes) */ |
| 39 |
+ |
|
| 40 |
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int rtargc = 1; /* rtrace command */ |
| 41 |
|
char *rtargv[128] = {"rtrace", NULL}; |
| 42 |
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|
| 43 |
+ |
int orig_mode = -1; /* original file mode (-1 if unchanged) */ |
| 44 |
+ |
|
| 45 |
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long nraysdone = 0L; /* number of rays done */ |
| 46 |
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long npacksdone = 0L; /* number of packets done */ |
| 47 |
|
|
| 48 |
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PACKET *freepacks; /* available packets */ |
| 49 |
|
|
| 50 |
+ |
char *sigerr[NSIG]; /* signal error messages */ |
| 51 |
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|
| 52 |
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extern time_t time(); |
| 53 |
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|
| 54 |
|
|
| 131 |
|
} |
| 132 |
|
|
| 133 |
|
|
| 134 |
+ |
onsig(signo) /* fatal signal */ |
| 135 |
+ |
int signo; |
| 136 |
+ |
{ |
| 137 |
+ |
static int gotsig = 0; |
| 138 |
+ |
|
| 139 |
+ |
if (gotsig++) /* two signals and we're gone! */ |
| 140 |
+ |
_exit(signo); |
| 141 |
+ |
|
| 142 |
+ |
alarm(30); /* allow 30 seconds to clean up */ |
| 143 |
+ |
signal(SIGALRM, SIG_DFL); /* make certain we do die */ |
| 144 |
+ |
eputs("signal - "); |
| 145 |
+ |
eputs(sigerr[signo]); |
| 146 |
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eputs("\n"); |
| 147 |
+ |
quit(3); |
| 148 |
+ |
} |
| 149 |
+ |
|
| 150 |
+ |
|
| 151 |
+ |
sigdie(signo, msg) /* set fatal signal */ |
| 152 |
+ |
int signo; |
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+ |
char *msg; |
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{ |
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+ |
if (signal(signo, onsig) == SIG_IGN) |
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+ |
signal(signo, SIG_IGN); |
| 157 |
+ |
sigerr[signo] = msg; |
| 158 |
+ |
} |
| 159 |
+ |
|
| 160 |
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|
| 161 |
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int |
| 162 |
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resfmode(fd, mod) /* restrict open file access mode */ |
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+ |
int fd, mod; |
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{ |
| 165 |
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struct stat stbuf; |
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/* get original mode */ |
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if (fstat(fd, &stbuf) < 0) |
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error(SYSTEM, "cannot stat open holodeck file"); |
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mod &= stbuf.st_mode; /* always more restrictive */ |
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if (mod == stbuf.st_mode) |
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return(-1); /* already set */ |
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/* else change it */ |
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if (fchmod(fd, mod) < 0) { |
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error(WARNING, "cannot change holodeck file access mode"); |
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return(-1); |
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} |
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return(stbuf.st_mode); /* return original mode */ |
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} |
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|
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|
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initrholo() /* get our holodeck running */ |
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{ |
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extern int global_packet(); |
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disp_open(outdev); |
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else if (ncprocs > 0) /* else use global ray feed */ |
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init_global(); |
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/* record disk space limit */ |
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if (!vdef(DISKSPACE)) |
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maxdisk = 0; |
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else |
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maxdisk = 1024.*1024.*vflt(DISKSPACE); |
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/* record end time */ |
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if (!vdef(TIME) || vflt(TIME) <= FTINY) |
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endtime = 0; |
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else |
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endtime = starttime + vflt(TIME)*3600.; |
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/* set up memory cache */ |
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< |
hdcachesize = 1024.*1024.*vflt(CACHE); |
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if (outdev == NULL) |
| 202 |
> |
hdcachesize = 0; /* manual flushing */ |
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> |
else if (vdef(CACHE)) |
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> |
hdcachesize = 1024.*1024.*vflt(CACHE); |
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/* open report file */ |
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if (vdef(REPORT)) { |
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register char *s = sskip2(vval(REPORT), 1); |
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freepacks[i].next = &freepacks[i+1]; |
| 238 |
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} |
| 239 |
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} |
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/* set up signal handling */ |
| 241 |
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sigdie(SIGINT, "Interrupt"); |
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sigdie(SIGHUP, "Hangup"); |
| 243 |
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sigdie(SIGTERM, "Terminate"); |
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sigdie(SIGPIPE, "Broken pipe"); |
| 245 |
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sigdie(SIGALRM, "Alarm clock"); |
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#ifdef SIGXCPU |
| 247 |
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sigdie(SIGXCPU, "CPU limit exceeded"); |
| 248 |
+ |
sigdie(SIGXFSZ, "File size exceeded"); |
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+ |
#endif |
| 250 |
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/* protect holodeck file */ |
| 251 |
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orig_mode = resfmode(hdlist[0]->fd, ncprocs>0 ? 0 : 0444); |
| 252 |
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return; |
| 253 |
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memerr: |
| 254 |
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error(SYSTEM, "out of memory in initrholo"); |
| 270 |
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if (ncprocs <= 0) |
| 271 |
|
return(1); |
| 272 |
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/* check file size */ |
| 273 |
< |
if ((l = 1024.*1024.*vflt(DISKSPACE)) > 0 && |
| 274 |
< |
hdfiluse(hdlist[0]->fd, 0) + hdmemuse(0) >= l) |
| 273 |
> |
if (maxdisk > 0 && hdfilen(hdlist[0]->fd) >= maxdisk) { |
| 274 |
> |
error(WARNING, "file limit exceeded"); |
| 275 |
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return(0); |
| 276 |
+ |
} |
| 277 |
|
/* check time */ |
| 278 |
|
if (endtime > 0 || reporttime > 0) |
| 279 |
|
t = time(NULL); |
| 280 |
< |
if (endtime > 0 && t >= endtime) |
| 280 |
> |
if (endtime > 0 && t >= endtime) { |
| 281 |
> |
error(WARNING, "time limit exceeded"); |
| 282 |
|
return(0); |
| 283 |
+ |
} |
| 284 |
|
if (reporttime > 0 && t >= reporttime) |
| 285 |
|
report(t); |
| 286 |
|
/* get packets to process */ |
| 365 |
|
sprintf(vval(OCTREE), "%s.oct", froot); |
| 366 |
|
vdef(OCTREE)++; |
| 367 |
|
} |
| 290 |
– |
if (!vdef(DISKSPACE)) { |
| 291 |
– |
sprintf(errmsg, |
| 292 |
– |
"no %s setting, assuming 100 Mbytes available", |
| 293 |
– |
vnam(DISKSPACE)); |
| 294 |
– |
error(WARNING, errmsg); |
| 295 |
– |
vval(DISKSPACE) = "100"; |
| 296 |
– |
vdef(DISKSPACE)++; |
| 297 |
– |
} |
| 298 |
– |
if (!vdef(CACHE)) { |
| 299 |
– |
sprintf(errmsg, |
| 300 |
– |
"no %s setting, assuming 10 Mbytes available", |
| 301 |
– |
vnam(CACHE)); |
| 302 |
– |
error(WARNING, errmsg); |
| 303 |
– |
vval(CACHE) = "10"; |
| 304 |
– |
vdef(CACHE)++; |
| 305 |
– |
} |
| 368 |
|
if (!vdef(OBSTRUCTIONS)) { |
| 369 |
|
vval(OBSTRUCTIONS) = "T"; |
| 370 |
|
vdef(OBSTRUCTIONS)++; |
| 382 |
|
creatholo(gp) /* create a holodeck output file */ |
| 383 |
|
HDGRID *gp; |
| 384 |
|
{ |
| 385 |
+ |
extern char VersionID[]; |
| 386 |
|
long endloc = 0; |
| 387 |
+ |
int fd; |
| 388 |
|
FILE *fp; |
| 389 |
|
/* open & truncate file */ |
| 390 |
|
if ((fp = fopen(hdkfile, "w+")) == NULL) { |
| 393 |
|
} |
| 394 |
|
/* write information header */ |
| 395 |
|
newheader("RADIANCE", fp); |
| 396 |
+ |
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
| 397 |
|
printvars(fp); |
| 398 |
|
fputformat(HOLOFMT, fp); |
| 399 |
|
fputc('\n', fp); |
| 400 |
|
putw(HOLOMAGIC, fp); /* put magic number & terminus */ |
| 401 |
|
fwrite(&endloc, sizeof(long), 1, fp); |
| 402 |
< |
fflush(fp); /* flush buffer */ |
| 403 |
< |
hdinit(fileno(fp), gp); /* allocate and initialize index */ |
| 404 |
< |
/* we're dropping fp here.... */ |
| 402 |
> |
fd = dup(fileno(fp)); |
| 403 |
> |
fclose(fp); /* flush and close stdio stream */ |
| 404 |
> |
hdinit(fd, gp); /* allocate and initialize index */ |
| 405 |
|
} |
| 406 |
|
|
| 407 |
|
|
| 431 |
|
|
| 432 |
|
loadholo() /* start loading a holodeck from fname */ |
| 433 |
|
{ |
| 434 |
+ |
extern long ftell(); |
| 435 |
|
FILE *fp; |
| 436 |
< |
long endloc; |
| 436 |
> |
int fd; |
| 437 |
> |
long fpos; |
| 438 |
|
/* open holodeck file */ |
| 439 |
|
if ((fp = fopen(hdkfile, ncprocs>0 ? "r+" : "r")) == NULL) { |
| 440 |
|
sprintf(errmsg, "cannot open \"%s\" for %s", hdkfile, |
| 449 |
|
hdkfile); |
| 450 |
|
error(USER, errmsg); |
| 451 |
|
} |
| 452 |
< |
fread(&endloc, sizeof(long), 1, fp); |
| 453 |
< |
if (endloc != 0) |
| 452 |
> |
fread(&fpos, sizeof(long), 1, fp); |
| 453 |
> |
if (fpos != 0) |
| 454 |
|
error(WARNING, "ignoring multiple sections in holodeck file"); |
| 455 |
< |
fseek(fp, 0L, 1); /* align system file pointer */ |
| 456 |
< |
hdinit(fileno(fp), NULL); /* allocate and load index */ |
| 457 |
< |
/* we're dropping fp here.... */ |
| 455 |
> |
fpos = ftell(fp); /* get stdio position */ |
| 456 |
> |
fd = dup(fileno(fp)); |
| 457 |
> |
fclose(fp); /* done with stdio */ |
| 458 |
> |
lseek(fd, fpos, 0); /* align system file pointer */ |
| 459 |
> |
hdinit(fd, NULL); /* allocate and load index */ |
| 460 |
|
} |
| 461 |
|
|
| 462 |
|
|
| 463 |
|
done_packets(pl) /* handle finished packets */ |
| 464 |
|
PACKET *pl; |
| 465 |
|
{ |
| 466 |
+ |
static int n2flush = 0; |
| 467 |
|
register PACKET *p; |
| 468 |
|
|
| 469 |
|
while (pl != NULL) { |
| 473 |
|
(char *)hdnewrays(hdlist[p->hd],p->bi,p->nr), |
| 474 |
|
p->nr*sizeof(RAYVAL)); |
| 475 |
|
if (outdev != NULL) /* display it */ |
| 476 |
< |
disp_packet(p); |
| 476 |
> |
disp_packet((PACKHEAD *)p); |
| 477 |
> |
if (hdcachesize <= 0) /* manual flushing */ |
| 478 |
> |
n2flush += p->nr; |
| 479 |
> |
nraysdone += p->nr; |
| 480 |
> |
npacksdone++; |
| 481 |
|
} |
| 408 |
– |
nraysdone += p->nr; |
| 409 |
– |
npacksdone++; |
| 482 |
|
p->nr = 0; /* push onto free list */ |
| 483 |
|
p->next = freepacks; |
| 484 |
|
freepacks = p; |
| 485 |
|
} |
| 486 |
+ |
if (n2flush > 512*RPACKSIZ*ncprocs) { |
| 487 |
+ |
hdflush(NULL); /* flush holodeck buffers */ |
| 488 |
+ |
n2flush = 0; |
| 489 |
+ |
} |
| 490 |
|
} |
| 491 |
|
|
| 492 |
|
|
| 493 |
|
getradfile(rfargs) /* run rad and get needed variables */ |
| 494 |
|
char *rfargs; |
| 495 |
|
{ |
| 496 |
< |
static short mvar[] = {VIEW,OCTREE,EXPOSURE,-1}; |
| 496 |
> |
static short mvar[] = {OCTREE,EXPOSURE,-1}; |
| 497 |
|
static char tf1[] = TEMPLATE; |
| 498 |
|
char tf2[64]; |
| 499 |
|
char combuf[256]; |
| 592 |
|
{ |
| 593 |
|
int status = 0; |
| 594 |
|
|
| 519 |
– |
if (outdev != NULL) /* close display */ |
| 520 |
– |
disp_close(); |
| 595 |
|
if (hdlist[0] != NULL) { /* flush holodeck */ |
| 596 |
|
if (ncprocs > 0) { |
| 597 |
|
done_packets(flush_queue()); |
| 600 |
|
if (vdef(REPORT)) { |
| 601 |
|
long fsiz, fuse; |
| 602 |
|
report(0); |
| 603 |
< |
fsiz = lseek(hdlist[0]->fd, 0L, 2); |
| 603 |
> |
fsiz = hdfilen(hdlist[0]->fd); |
| 604 |
|
fuse = hdfiluse(hdlist[0]->fd, 1); |
| 605 |
|
fprintf(stderr, |
| 606 |
|
"%s: %.1f Mbyte holodeck file, %.1f%% fragmentation\n", |
| 610 |
|
} else |
| 611 |
|
hdflush(NULL); |
| 612 |
|
} |
| 613 |
+ |
if (orig_mode >= 0) /* reset holodeck access mode */ |
| 614 |
+ |
fchmod(hdlist[0]->fd, orig_mode); |
| 615 |
+ |
if (outdev != NULL) /* close display */ |
| 616 |
+ |
disp_close(); |
| 617 |
|
exit(ec ? ec : status); /* exit */ |
| 618 |
|
} |