| 543 |
|
static int |
| 544 |
|
spawned_children(int np) |
| 545 |
|
{ |
| 546 |
< |
long inpwidth = 0; |
| 546 |
> |
size_t recsize = 0; |
| 547 |
|
int i, rv; |
| 548 |
|
|
| 549 |
|
#if defined(_WIN32) || defined(_WIN64) |
| 559 |
|
mop[i].imx.nrows = 1; |
| 560 |
|
if (!rmx_prepare(&mop[i].imx)) |
| 561 |
|
goto memerror; |
| 562 |
< |
inpwidth += rmx_array_size(&mop[i].imx); |
| 562 |
> |
recsize += rmx_array_size(&mop[i].imx); |
| 563 |
|
if (mop[i].rmp != &mop[i].imx) { |
| 564 |
|
mop[i].rmp->nrows = 1; |
| 565 |
|
if (!rmx_prepare(mop[i].rmp)) |
| 566 |
|
goto memerror; |
| 567 |
– |
inpwidth += rmx_array_size(mop[i].rmp); |
| 567 |
|
} |
| 568 |
|
} |
| 569 |
|
/* prep output row buffer */ |
| 600 |
|
cproc[i].pid = -1; |
| 601 |
|
rv = open_process(&cproc[i], NULL); |
| 602 |
|
if (rv <= 0) break; |
| 603 |
< |
if (!i && 2*rv >= inpwidth) { |
| 603 |
> |
if (!i && 2*rv >= recsize) { |
| 604 |
|
fputs("Problem too small for multi-processing\n", |
| 605 |
|
stderr); |
| 606 |
+ |
close_processes(cproc, 1); |
| 607 |
|
exit(1); |
| 608 |
|
} |
| 609 |
|
} |
| 610 |
– |
if (rv > 0) |
| 611 |
– |
return(1); /* parent return value */ |
| 610 |
|
if (rv < 0) { |
| 611 |
|
perror("fork"); |
| 612 |
+ |
close_processes(cproc, i); |
| 613 |
|
exit(1); |
| 614 |
|
} |
| 615 |
+ |
if (rv > 0) /* parent return? */ |
| 616 |
+ |
return(1); |
| 617 |
|
inchild = i; /* our child index */ |
| 618 |
|
while (i-- > 0) /* don't share siblings' pipes */ |
| 619 |
|
close(cproc[i].w); |
