8 |
|
|
9 |
|
#include <signal.h> |
10 |
|
#include "rcontrib.h" |
11 |
– |
#include "platform.h" |
12 |
– |
#include "rtprocess.h" |
11 |
|
#include "selcall.h" |
12 |
|
|
13 |
|
#define MAXIQ (int)(PIPE_BUF/(sizeof(FVECT)*2)) |
320 |
|
|
321 |
|
while (nchild > 0) { |
322 |
|
nchild--; |
323 |
+ |
#ifdef SIGKILL |
324 |
|
if (immed) /* error mode -- quick exit */ |
325 |
|
kill(kida[nchild].pr.pid, SIGKILL); |
326 |
+ |
#endif |
327 |
|
if ((status = close_process(&kida[nchild].pr)) > 0 && !immed) { |
328 |
|
sprintf(errmsg, |
329 |
|
"rendering process returned bad status (%d)", |
400 |
|
void |
401 |
|
parental_loop() |
402 |
|
{ |
403 |
< |
static int ignore_warning_given = 0; |
404 |
< |
int qlimit = (accumulate == 1) ? 1 : MAXIQ-1; |
403 |
> |
const int qlimit = (accumulate == 1) ? 1 : MAXIQ-1; |
404 |
|
int ninq = 0; |
405 |
|
FVECT orgdir[2*MAXIQ]; |
406 |
|
int i, n; |
412 |
|
if (orgdir[2*ninq+1][0] == 0.0 && /* asking for flush? */ |
413 |
|
(orgdir[2*ninq+1][1] == 0.0) & |
414 |
|
(orgdir[2*ninq+1][2] == 0.0)) { |
415 |
< |
if (accumulate != 1) { |
416 |
< |
if (!ignore_warning_given++) |
417 |
< |
error(WARNING, |
418 |
< |
"dummy ray(s) ignored during accumulation\n"); |
419 |
< |
continue; |
415 |
> |
if (ninq) { /* preempt our queue */ |
416 |
> |
i = next_child_nq(0); |
417 |
> |
n = ninq; |
418 |
> |
memset(orgdir[2*n++], 0, sizeof(FVECT)*2); |
419 |
> |
n *= sizeof(FVECT)*2; |
420 |
> |
if (writebuf(kida[i].pr.w, (char *)orgdir, n) != n) |
421 |
> |
error(SYSTEM, "pipe write error"); |
422 |
> |
kida[i].r1 = lastray+1; |
423 |
> |
lastray += kida[i].nr = ninq; |
424 |
> |
ninq = 0; |
425 |
|
} |
426 |
< |
while (next_child_nq(1) >= 0) |
427 |
< |
; /* clear the queue */ |
428 |
< |
lastdone = lastray = 0; |
429 |
< |
if ((yres <= 0) | (xres <= 0)) |
426 |
> |
if ((yres <= 0) | (xres <= 0) && |
427 |
> |
(lastray+1) % accumulate == 0) { |
428 |
> |
while (next_child_nq(1) >= 0) |
429 |
> |
; /* clear the queue */ |
430 |
> |
lastdone = lastray %= accumulate; |
431 |
|
waitflush = 1; /* flush next */ |
432 |
+ |
} |
433 |
|
put_zero_record(++lastray); |
434 |
|
} else if (++ninq >= qlimit || |
435 |
|
lastray/accumulate != (lastray+ninq)/accumulate) { |
442 |
|
error(SYSTEM, "pipe write error"); |
443 |
|
kida[i].r1 = lastray+1; |
444 |
|
lastray += kida[i].nr = ninq; /* mark as busy */ |
439 |
– |
ninq = 0; |
445 |
|
if (lastray < lastdone) { /* RNUMBER wrapped? */ |
446 |
|
while (next_child_nq(1) >= 0) |
447 |
|
; |
448 |
< |
lastdone = lastray = 0; |
448 |
> |
lastray -= ninq; |
449 |
> |
lastdone = lastray %= accumulate; |
450 |
|
} |
451 |
+ |
ninq = 0; |
452 |
|
} |
453 |
|
if (raysleft && !--raysleft) |
454 |
|
break; /* preemptive EOI */ |