1 |
< |
/* Copyright (c) 1992 Regents of the University of California */ |
1 |
> |
/* Copyright (c) 1995 Regents of the University of California */ |
2 |
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3 |
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#ifndef lint |
4 |
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static char SCCSid[] = "$SunId$ LBL"; |
9 |
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*/ |
10 |
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|
11 |
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#include "standard.h" |
12 |
– |
#include <fcntl.h> |
12 |
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|
13 |
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#ifndef F_SETLKW |
14 |
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|
39 |
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#endif |
40 |
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#endif |
41 |
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/* protection from SYSV signals(!) */ |
42 |
< |
#if defined(sgi) || defined(hpux) |
42 |
> |
#if defined(sgi) |
43 |
|
#define guard_io() sighold(SIGALRM) |
44 |
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#define unguard() sigrelse(SIGALRM) |
45 |
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#endif |
47 |
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#define guard_io() 0 |
48 |
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#define unguard() 0 |
49 |
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#endif |
50 |
+ |
|
51 |
+ |
#ifndef linux |
52 |
+ |
extern char *sys_errlist[]; |
53 |
+ |
#endif |
54 |
+ |
|
55 |
|
/* rpict command */ |
56 |
< |
char *rpargv[128] = {"rpict", "-S", "1", "-x", "512", "-y", "512", "-pa", "1"}; |
57 |
< |
int rpargc = 9; |
56 |
> |
char *rpargv[128] = {"rpict", "-S", "1"}; |
57 |
> |
int rpargc = 3; |
58 |
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int rpd[3]; |
59 |
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FILE *torp, *fromrp; |
60 |
|
COLR *pbuf; |
61 |
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/* our view parameters */ |
62 |
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VIEW ourview = STDVIEW; |
63 |
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double pixaspect = 1.0; |
64 |
< |
int hres = 512, vres = 512, hmult = 2, vmult = 2; |
64 |
> |
int hres = 1024, vres = 1024, hmult = 4, vmult = 4; |
65 |
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/* output file */ |
66 |
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char *outfile = NULL; |
67 |
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int outfd; |
68 |
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long scanorig; |
69 |
< |
int syncfd = -1; /* lock file descriptor */ |
69 |
> |
FILE *syncfp = NULL; /* synchronization file pointer */ |
70 |
> |
int synclst = F_UNLCK; /* synchronization file lock status */ |
71 |
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int nforked = 0; |
72 |
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|
73 |
+ |
#define sflock(t) if ((t)!=synclst) dolock(fileno(syncfp),synclst=t) |
74 |
+ |
|
75 |
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char *progname; |
76 |
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int verbose = 0; |
77 |
+ |
unsigned timelim = 0; |
78 |
+ |
int rvrlim = -1; |
79 |
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|
80 |
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extern long lseek(), ftell(); |
81 |
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|
91 |
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|
92 |
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progname = argv[0]; |
93 |
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for (i = 1; i < argc; i++) { |
94 |
+ |
/* expand arguments */ |
95 |
+ |
while (rval = expandarg(&argc, &argv, i)) |
96 |
+ |
if (rval < 0) { |
97 |
+ |
fprintf(stderr, "%s: cannot expand '%s'", |
98 |
+ |
argv[0], argv[i]); |
99 |
+ |
exit(1); |
100 |
+ |
} |
101 |
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if (argv[i][0] == '-') |
102 |
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switch (argv[i][1]) { |
103 |
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case 'v': |
122 |
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} |
123 |
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break; |
124 |
|
case 'p': /* pixel aspect ratio? */ |
125 |
< |
if (argv[i][2] == 'a' && !argv[i][3]) |
126 |
< |
pixaspect = atof(argv[i+1]); |
125 |
> |
if (argv[i][2] != 'a' || argv[i][3]) |
126 |
> |
break; |
127 |
> |
pixaspect = atof(argv[++i]); |
128 |
> |
continue; |
129 |
> |
case 'T': /* time limit (hours) */ |
130 |
> |
if (argv[i][2]) |
131 |
> |
break; |
132 |
> |
timelim = atof(argv[++i])*3600. + .5; |
133 |
|
break; |
134 |
< |
case 'x': /* piece x resolution */ |
135 |
< |
if (!argv[i][2]) |
136 |
< |
hres = atoi(argv[i+1]); |
137 |
< |
break; |
138 |
< |
case 'y': /* piece y resolution */ |
139 |
< |
if (!argv[i][2]) |
140 |
< |
vres = atoi(argv[i+1]); |
141 |
< |
break; |
134 |
> |
case 'x': /* overall x resolution */ |
135 |
> |
if (argv[i][2]) |
136 |
> |
break; |
137 |
> |
hres = atoi(argv[++i]); |
138 |
> |
continue; |
139 |
> |
case 'y': /* overall y resolution */ |
140 |
> |
if (argv[i][2]) |
141 |
> |
break; |
142 |
> |
vres = atoi(argv[++i]); |
143 |
> |
continue; |
144 |
|
case 'X': /* horizontal multiplier */ |
145 |
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if (argv[i][2]) |
146 |
|
break; |
151 |
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break; |
152 |
|
vmult = atoi(argv[++i]); |
153 |
|
continue; |
154 |
+ |
case 'R': /* recover */ |
155 |
+ |
if (argv[i][2]) |
156 |
+ |
break; |
157 |
+ |
rvrlim = 0; |
158 |
+ |
/* fall through */ |
159 |
|
case 'F': /* syncronization file */ |
160 |
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if (argv[i][2]) |
161 |
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break; |
162 |
< |
if ((syncfd = open(argv[++i], |
163 |
< |
O_RDWR|O_CREAT, 0666)) < 0) { |
162 |
> |
if ((syncfp = |
163 |
> |
fdopen(open(argv[++i],O_RDWR|O_CREAT,0666),"r+")) == NULL) { |
164 |
|
fprintf(stderr, "%s: cannot open\n", |
165 |
|
argv[i]); |
166 |
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exit(1); |
175 |
|
break; |
176 |
|
outfile = argv[++i]; |
177 |
|
continue; |
178 |
< |
} |
178 |
> |
} else if (i >= argc-1) |
179 |
> |
break; |
180 |
|
rpargv[rpargc++] = argv[i]; |
181 |
|
} |
182 |
< |
rpargv[rpargc] = NULL; |
182 |
> |
if (i >= argc) { |
183 |
> |
fprintf(stderr, "%s: missing octree argument\n", argv[0]); |
184 |
> |
exit(1); |
185 |
> |
} |
186 |
|
if (outfile == NULL) { |
187 |
|
fprintf(stderr, "%s: missing output file\n", argv[0]); |
188 |
|
exit(1); |
193 |
|
} |
194 |
|
|
195 |
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|
196 |
+ |
dolock(fd, ltyp) /* lock or unlock a file */ |
197 |
+ |
int fd; |
198 |
+ |
int ltyp; |
199 |
+ |
{ |
200 |
+ |
static struct flock fls; /* static so initialized to zeroes */ |
201 |
+ |
|
202 |
+ |
fls.l_type = ltyp; |
203 |
+ |
if (fcntl(fd, F_SETLKW, &fls) < 0) { |
204 |
+ |
fprintf(stderr, "%s: cannot lock/unlock file: %s\n", |
205 |
+ |
progname, sys_errlist[errno]); |
206 |
+ |
exit(1); |
207 |
+ |
} |
208 |
+ |
} |
209 |
+ |
|
210 |
+ |
|
211 |
|
init(ac, av) /* set up output file and start rpict */ |
212 |
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int ac; |
213 |
|
char **av; |
214 |
|
{ |
215 |
+ |
static char hrbuf[16], vrbuf[16]; |
216 |
|
extern char VersionID[]; |
217 |
|
char *err; |
218 |
|
FILE *fp; |
222 |
|
fprintf(stderr, "%s: %s\n", progname, err); |
223 |
|
exit(1); |
224 |
|
} |
225 |
< |
if (syncfd != -1) { |
226 |
< |
char buf[32]; |
227 |
< |
buf[read(syncfd, buf, sizeof(buf)-1)] = '\0'; |
228 |
< |
sscanf(buf, "%d %d", &hmult, &vmult); |
225 |
> |
if (syncfp != NULL) { |
226 |
> |
sflock(F_RDLCK); |
227 |
> |
fscanf(syncfp, "%d %d", &hmult, &vmult); |
228 |
> |
sflock(F_UNLCK); |
229 |
|
} |
230 |
+ |
/* compute piece size */ |
231 |
+ |
hres /= hmult; |
232 |
+ |
vres /= vmult; |
233 |
|
normaspect(viewaspect(&ourview)*hmult/vmult, &pixaspect, &hres, &vres); |
234 |
+ |
sprintf(hrbuf, "%d", hres); |
235 |
+ |
rpargv[rpargc++] = "-x"; rpargv[rpargc++] = hrbuf; |
236 |
+ |
sprintf(vrbuf, "%d", vres); |
237 |
+ |
rpargv[rpargc++] = "-y"; rpargv[rpargc++] = vrbuf; |
238 |
+ |
rpargv[rpargc++] = "-pa"; rpargv[rpargc++] = "0"; |
239 |
+ |
rpargv[rpargc++] = av[ac-1]; |
240 |
+ |
rpargv[rpargc] = NULL; |
241 |
|
/* open output file */ |
242 |
|
if ((outfd = open(outfile, O_WRONLY|O_CREAT|O_EXCL, 0666)) >= 0) { |
243 |
+ |
dolock(outfd, F_WRLCK); |
244 |
|
if ((fp = fdopen(dup(outfd), "w")) == NULL) |
245 |
|
goto filerr; |
246 |
< |
printargs(ac, av, fp); /* write header */ |
246 |
> |
newheader("RADIANCE", fp); /* create header */ |
247 |
> |
printargs(ac, av, fp); |
248 |
|
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
249 |
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fputs(VIEWSTR, fp); |
250 |
|
fprintview(&ourview, fp); |
255 |
|
putc('\n', fp); |
256 |
|
fprtresolu(hres*hmult, vres*vmult, fp); |
257 |
|
} else if ((outfd = open(outfile, O_RDWR)) >= 0) { |
258 |
+ |
dolock(outfd, F_RDLCK); |
259 |
|
if ((fp = fdopen(dup(outfd), "r+")) == NULL) |
260 |
|
goto filerr; |
261 |
|
getheader(fp, NULL, NULL); /* skip header */ |
273 |
|
scanorig = ftell(fp); /* record position of first scanline */ |
274 |
|
if (fclose(fp) == -1) /* done with stream i/o */ |
275 |
|
goto filerr; |
276 |
< |
#if NFS |
215 |
< |
sync(); /* flush NFS buffers */ |
216 |
< |
#endif |
276 |
> |
dolock(outfd, F_UNLCK); |
277 |
|
/* start rpict process */ |
278 |
|
if (open_process(rpd, rpargv) <= 0) { |
279 |
|
fprintf(stderr, "%s: cannot start %s\n", progname, rpargv[0]); |
285 |
|
progname, rpargv[0]); |
286 |
|
exit(1); |
287 |
|
} |
288 |
< |
if ((pbuf = (COLR *)malloc(hres*vres*sizeof(COLR))) == NULL) { |
288 |
> |
if ((pbuf = (COLR *)bmalloc(hres*vres*sizeof(COLR))) == NULL) { |
289 |
|
fprintf(stderr, "%s: out of memory\n", progname); |
290 |
|
exit(1); |
291 |
|
} |
292 |
|
signal(SIGALRM, onalrm); |
293 |
+ |
if (timelim) |
294 |
+ |
alarm(timelim); |
295 |
|
return; |
296 |
|
filerr: |
297 |
|
fprintf(stderr, "%s: i/o error on file \"%s\"\n", progname, outfile); |
303 |
|
nextpiece(xp, yp) /* get next piece assignment */ |
304 |
|
int *xp, *yp; |
305 |
|
{ |
244 |
– |
extern char *fgets(); |
245 |
– |
struct flock fls; |
246 |
– |
char buf[64]; |
247 |
– |
|
306 |
|
if (gotalrm) /* someone wants us to quit */ |
307 |
|
return(0); |
308 |
< |
if (syncfd != -1) { /* use sync file */ |
309 |
< |
fls.l_type = F_WRLCK; /* gain exclusive access */ |
310 |
< |
fls.l_whence = 0; |
311 |
< |
fls.l_start = 0L; |
312 |
< |
fls.l_len = 0L; |
313 |
< |
fcntl(syncfd, F_SETLKW, &fls); |
314 |
< |
lseek(syncfd, 0L, 0); |
315 |
< |
buf[read(syncfd, buf, sizeof(buf)-1)] = '\0'; |
316 |
< |
if (sscanf(buf, "%*d %*d %d %d", xp, yp) < 2) { |
308 |
> |
if (syncfp != NULL) { /* use sync file */ |
309 |
> |
/* |
310 |
> |
* So we don't necessarily have to lock and unlock the file |
311 |
> |
* multiple times (very slow), we establish an exclusive |
312 |
> |
* lock at the beginning on our synchronization file and |
313 |
> |
* maintain it in the subroutine rvrpiece(). |
314 |
> |
*/ |
315 |
> |
sflock(F_WRLCK); |
316 |
> |
fseek(syncfp, 0L, 0); /* read position */ |
317 |
> |
if (fscanf(syncfp, "%*d %*d %d %d", xp, yp) < 2) { |
318 |
|
*xp = hmult-1; |
319 |
|
*yp = vmult; |
320 |
|
} |
321 |
+ |
if (rvrlim == 0) /* initialize recovery limit */ |
322 |
+ |
rvrlim = *xp*vmult + *yp; |
323 |
+ |
if (rvrpiece(xp, yp)) { /* do stragglers first */ |
324 |
+ |
sflock(F_UNLCK); |
325 |
+ |
return(1); |
326 |
+ |
} |
327 |
|
if (--(*yp) < 0) { /* decrement position */ |
328 |
|
*yp = vmult-1; |
329 |
< |
if (--(*xp) < 0) { /* all done! */ |
330 |
< |
close(syncfd); |
329 |
> |
if (--(*xp) < 0) { /* all done */ |
330 |
> |
sflock(F_UNLCK); |
331 |
|
return(0); |
332 |
|
} |
333 |
|
} |
334 |
< |
sprintf(buf, "%4d %4d\n%4d %4d\n", hmult, vmult, *xp, *yp); |
335 |
< |
lseek(syncfd, 0L, 0); /* write new position */ |
336 |
< |
write(syncfd, buf, strlen(buf)); |
337 |
< |
fls.l_type = F_UNLCK; /* release sync file */ |
273 |
< |
fcntl(syncfd, F_SETLKW, &fls); |
334 |
> |
fseek(syncfp, 0L, 0); /* write new position */ |
335 |
> |
fprintf(syncfp, "%4d %4d\n%4d %4d\n\n", hmult, vmult, *xp, *yp); |
336 |
> |
fflush(syncfp); |
337 |
> |
sflock(F_UNLCK); /* release sync file */ |
338 |
|
return(1); |
339 |
|
} |
340 |
< |
if (fgets(buf, sizeof(buf), stdin) == NULL) /* use stdin */ |
277 |
< |
return(0); |
278 |
< |
if (sscanf(buf, "%d %d", xp, yp) == 2) |
279 |
< |
return(1); |
280 |
< |
fprintf(stderr, "%s: input format error\n", progname); |
281 |
< |
exit(cleanup(1)); |
340 |
> |
return(scanf("%d %d", xp, yp) == 2); /* use stdin */ |
341 |
|
} |
342 |
|
|
343 |
|
|
344 |
|
int |
345 |
+ |
rvrpiece(xp, yp) /* check for recoverable pieces */ |
346 |
+ |
register int *xp, *yp; |
347 |
+ |
{ |
348 |
+ |
static char *pdone = NULL; /* which pieces are done */ |
349 |
+ |
static long readpos = -1; /* how far we've read */ |
350 |
+ |
register int i; |
351 |
+ |
/* |
352 |
+ |
* This routine is called by nextpiece() with an |
353 |
+ |
* exclusive lock on syncfp and the file pointer at the |
354 |
+ |
* appropriate position to read in the finished pieces. |
355 |
+ |
*/ |
356 |
+ |
if (rvrlim < 0) |
357 |
+ |
return(0); /* only check if asked */ |
358 |
+ |
if (pdone == NULL) /* first call */ |
359 |
+ |
pdone = calloc(hmult*vmult, sizeof(char)); |
360 |
+ |
if (pdone == NULL) { |
361 |
+ |
fprintf(stderr, "%s: out of memory\n", progname); |
362 |
+ |
exit(1); |
363 |
+ |
} |
364 |
+ |
if (readpos != -1) /* mark what's been done */ |
365 |
+ |
fseek(syncfp, readpos, 0); |
366 |
+ |
while (fscanf(syncfp, "%d %d", xp, yp) == 2) |
367 |
+ |
pdone[*xp*vmult+*yp] = 1; |
368 |
+ |
if (!feof(syncfp)) { |
369 |
+ |
fprintf(stderr, "%s: format error in sync file\n", progname); |
370 |
+ |
exit(1); |
371 |
+ |
} |
372 |
+ |
readpos = ftell(syncfp); |
373 |
+ |
i = hmult*vmult; /* find an unaccounted for piece */ |
374 |
+ |
while (i-- > rvrlim) |
375 |
+ |
if (!pdone[i]) { |
376 |
+ |
*xp = i / vmult; |
377 |
+ |
*yp = i % vmult; |
378 |
+ |
pdone[i] = 1; /* consider it done */ |
379 |
+ |
return(1); |
380 |
+ |
} |
381 |
+ |
rvrlim = -1; /* nothing left to recover */ |
382 |
+ |
free(pdone); |
383 |
+ |
pdone = NULL; |
384 |
+ |
return(0); |
385 |
+ |
} |
386 |
+ |
|
387 |
+ |
|
388 |
+ |
int |
389 |
|
cleanup(rstat) /* close rpict process and clean up */ |
390 |
|
int rstat; |
391 |
|
{ |
392 |
|
int status; |
393 |
|
|
394 |
< |
free((char *)pbuf); |
394 |
> |
bfree((char *)pbuf, hres*vres*sizeof(COLR)); |
395 |
|
fclose(torp); |
396 |
|
fclose(fromrp); |
397 |
|
while (wait(&status) != -1) |
419 |
|
pview.horiz = ourview.horiz / hmult; |
420 |
|
pview.vert = ourview.vert / vmult; |
421 |
|
break; |
422 |
+ |
case VT_CYL: |
423 |
+ |
pview.horiz = ourview.horiz / hmult; |
424 |
+ |
pview.vert = 2.*180./PI*atan( |
425 |
+ |
tan(PI/180./2.*ourview.vert)/vmult ); |
426 |
+ |
break; |
427 |
|
case VT_HEM: |
428 |
|
pview.horiz = 2.*180./PI*asin( |
429 |
|
sin(PI/180./2.*ourview.horiz)/hmult ); |
437 |
|
} |
438 |
|
/* render each piece */ |
439 |
|
while (nextpiece(&xorg, &yorg)) { |
440 |
< |
pview.hoff = ourview.hoff + xorg - 0.5*(hmult-1); |
441 |
< |
pview.voff = ourview.voff + yorg - 0.5*(vmult-1); |
440 |
> |
pview.hoff = ourview.hoff*hmult + xorg - 0.5*(hmult-1); |
441 |
> |
pview.voff = ourview.voff*vmult + yorg - 0.5*(vmult-1); |
442 |
|
fputs(VIEWSTR, torp); |
443 |
|
fprintview(&pview, torp); |
444 |
|
putc('\n', torp); |
445 |
|
fflush(torp); /* assigns piece to rpict */ |
446 |
|
putpiece(xorg, yorg); /* place piece in output */ |
339 |
– |
if (verbose) { /* notify caller */ |
340 |
– |
printf("%d %d done\n", xorg, yorg); |
341 |
– |
fflush(stdout); |
342 |
– |
} |
447 |
|
} |
448 |
|
} |
449 |
|
|
470 |
|
progname, rpargv[0]); |
471 |
|
exit(cleanup(1)); |
472 |
|
} |
473 |
+ |
if (verbose) { /* notify caller */ |
474 |
+ |
printf("%d %d begun\n", xpos, ypos); |
475 |
+ |
fflush(stdout); |
476 |
+ |
} |
477 |
|
unguard(); |
478 |
|
/* load new piece into buffer */ |
479 |
|
for (y = 0; y < vr; y++) { |
499 |
|
#else |
500 |
|
pid = -1; /* no forking */ |
501 |
|
#endif |
502 |
< |
fls.l_len = (long)vres*hmult*hres*sizeof(COLR); |
503 |
< |
fls.l_start = scanorig + (vmult-1-ypos)*fls.l_len; |
502 |
> |
fls.l_start = scanorig + |
503 |
> |
((long)(vmult-1-ypos)*vres*hmult+xpos)*hres*sizeof(COLR); |
504 |
|
#if NFS |
505 |
+ |
fls.l_len = ((long)(vres-1)*hmult+1)*hres*sizeof(COLR); |
506 |
|
/* lock file section so NFS doesn't mess up */ |
507 |
|
fls.l_whence = 0; |
508 |
|
fls.l_type = F_WRLCK; |
509 |
< |
fcntl(outfd, F_SETLKW, &fls); |
509 |
> |
if (fcntl(outfd, F_SETLKW, &fls) < 0) |
510 |
> |
filerr("lock"); |
511 |
|
#endif |
512 |
|
/* write new piece to file */ |
513 |
< |
if (lseek(outfd, fls.l_start+(long)xpos*hres*sizeof(COLR), 0) == -1) |
514 |
< |
goto seekerr; |
513 |
> |
if (lseek(outfd, fls.l_start, 0) == -1) |
514 |
> |
filerr("seek"); |
515 |
|
if (hmult == 1) { |
516 |
|
if (writebuf(outfd, (char *)pbuf, |
517 |
|
vr*hr*sizeof(COLR)) != vr*hr*sizeof(COLR)) |
518 |
< |
goto writerr; |
518 |
> |
filerr("write"); |
519 |
|
} else |
520 |
|
for (y = 0; y < vr; y++) { |
521 |
|
if (writebuf(outfd, (char *)(pbuf+y*hr), |
522 |
|
hr*sizeof(COLR)) != hr*sizeof(COLR)) |
523 |
< |
goto writerr; |
523 |
> |
filerr("write"); |
524 |
|
if (y < vr-1 && lseek(outfd, |
525 |
|
(long)(hmult-1)*hr*sizeof(COLR), |
526 |
|
1) == -1) |
527 |
< |
goto seekerr; |
527 |
> |
filerr("seek"); |
528 |
|
} |
419 |
– |
if (pid == -1) { /* fork failed */ |
529 |
|
#if NFS |
530 |
< |
fls.l_type = F_UNLCK; /* release lock */ |
531 |
< |
fcntl(outfd, F_SETLKW, &fls); |
530 |
> |
fls.l_type = F_UNLCK; /* release lock */ |
531 |
> |
if (fcntl(outfd, F_SETLKW, &fls) < 0) |
532 |
> |
filerr("lock"); |
533 |
|
#endif |
534 |
< |
return(0); |
534 |
> |
if (verbose) { /* notify caller */ |
535 |
> |
printf("%d %d done\n", xpos, ypos); |
536 |
> |
fflush(stdout); |
537 |
|
} |
538 |
< |
_exit(0); /* else exit child process (releasing lock) */ |
539 |
< |
seekerr: |
540 |
< |
fprintf(stderr, "%s: seek error on file \"%s\"\n", progname, outfile); |
541 |
< |
_exit(1); |
542 |
< |
writerr: |
543 |
< |
fprintf(stderr, "%s: write error on file \"%s\"\n", progname, outfile); |
538 |
> |
if (syncfp != NULL) { /* record what's been done */ |
539 |
> |
sflock(F_WRLCK); |
540 |
> |
fseek(syncfp, 0L, 2); /* append index */ |
541 |
> |
fprintf(syncfp, "%4d %4d\n", xpos, ypos); |
542 |
> |
fflush(syncfp); |
543 |
> |
/*** Unlock not necessary, since |
544 |
> |
sflock(F_UNLCK); _exit() or nextpiece() is next ***/ |
545 |
> |
} |
546 |
> |
if (pid == -1) /* didn't fork or fork failed */ |
547 |
> |
return(0); |
548 |
> |
_exit(0); /* else exit child process (releasing locks) */ |
549 |
> |
} |
550 |
> |
|
551 |
> |
|
552 |
> |
filerr(t) /* report file error and exit */ |
553 |
> |
char *t; |
554 |
> |
{ |
555 |
> |
fprintf(stderr, "%s: %s error on file \"%s\": %s\n", |
556 |
> |
progname, t, outfile, sys_errlist[errno]); |
557 |
|
_exit(1); |
558 |
|
} |
559 |
|
|