| 39 |
|
#define MAXFORK 0 |
| 40 |
|
#endif |
| 41 |
|
#endif |
| 42 |
< |
|
| 42 |
> |
/* protection from SYSV signals(!) */ |
| 43 |
> |
#if defined(sgi) || defined(hpux) |
| 44 |
> |
#define guard_io() sighold(SIGALRM) |
| 45 |
> |
#define unguard() sigrelse(SIGALRM) |
| 46 |
> |
#endif |
| 47 |
> |
#ifndef guard_io |
| 48 |
> |
#define guard_io() 0 |
| 49 |
> |
#define unguard() 0 |
| 50 |
> |
#endif |
| 51 |
|
/* rpict command */ |
| 52 |
|
char *rpargv[128] = {"rpict", "-S", "1", "-x", "512", "-y", "512", "-pa", "1"}; |
| 53 |
|
int rpargc = 9; |
| 359 |
|
exit(cleanup(1)); |
| 360 |
|
} |
| 361 |
|
/* check header from rpict */ |
| 362 |
+ |
guard_io(); |
| 363 |
|
getheader(fromrp, NULL, NULL); |
| 364 |
|
if (!fscnresolu(&hr, &vr, fromrp) || hr != hres | vr != vres) { |
| 365 |
|
fprintf(stderr, "%s: resolution mismatch from %s\n", |
| 366 |
|
progname, rpargv[0]); |
| 367 |
|
exit(cleanup(1)); |
| 368 |
|
} |
| 369 |
+ |
unguard(); |
| 370 |
|
/* load new piece into buffer */ |
| 371 |
< |
for (y = 0; y < vr; y++) |
| 371 |
> |
for (y = 0; y < vr; y++) { |
| 372 |
> |
guard_io(); |
| 373 |
|
if (freadcolrs(pbuf+y*hr, hr, fromrp) < 0) { |
| 374 |
|
fprintf(stderr, "%s: read error from %s\n", |
| 375 |
|
progname, rpargv[0]); |
| 376 |
|
exit(cleanup(1)); |
| 377 |
|
} |
| 378 |
+ |
unguard(); |
| 379 |
+ |
} |
| 380 |
|
#if MAXFORK |
| 381 |
|
/* fork so we don't slow rpict down */ |
| 382 |
|
if ((pid = fork()) > 0) { |
