1 |
– |
/* Copyright (c) 1992 Regents of the University of California */ |
2 |
– |
|
1 |
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#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
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#endif |
6 |
– |
|
4 |
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/* |
5 |
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* Generate sections of a picture. |
6 |
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*/ |
7 |
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|
8 |
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|
9 |
+ |
#include <stdio.h> |
10 |
+ |
#include <signal.h> |
11 |
+ |
#include <sys/types.h> |
12 |
+ |
|
13 |
+ |
#include "platform.h" |
14 |
+ |
#ifndef NON_POSIX /* XXX need abstraction for process management */ |
15 |
+ |
#include <sys/wait.h> |
16 |
+ |
#endif |
17 |
+ |
|
18 |
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#include "standard.h" |
12 |
– |
#include <fcntl.h> |
19 |
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#include "color.h" |
20 |
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#include "view.h" |
21 |
< |
#include "resolu.h" |
21 |
> |
#include "rtprocess.h" |
22 |
|
|
23 |
+ |
#ifndef F_SETLKW |
24 |
+ |
|
25 |
+ |
int |
26 |
+ |
main( |
27 |
+ |
int argc, |
28 |
+ |
char *argv[] |
29 |
+ |
) |
30 |
+ |
{ |
31 |
+ |
fprintf(stderr, "%s: no NFS lock manager on this machine\n", argv[0]); |
32 |
+ |
exit(1); |
33 |
+ |
} |
34 |
+ |
|
35 |
+ |
#else |
36 |
+ |
|
37 |
+ |
#ifndef NFS |
38 |
+ |
#define NFS 1 |
39 |
+ |
#endif |
40 |
+ |
|
41 |
+ |
#ifndef RHAS_FORK_EXEC |
42 |
+ |
#undef MAXFORK |
43 |
+ |
#define MAXFORK 0 |
44 |
+ |
#endif |
45 |
+ |
#ifndef MAXFORK |
46 |
+ |
#if NFS |
47 |
+ |
#define MAXFORK 3 /* allotment of duped processes */ |
48 |
+ |
#else |
49 |
+ |
#define MAXFORK 0 |
50 |
+ |
#endif |
51 |
+ |
#endif |
52 |
+ |
/* protection from SYSV signals(!) */ |
53 |
+ |
#if defined(sgi) |
54 |
+ |
#define guard_io() sighold(SIGALRM) |
55 |
+ |
#define unguard() sigrelse(SIGALRM) |
56 |
+ |
#endif |
57 |
+ |
#ifndef guard_io |
58 |
+ |
#define guard_io() |
59 |
+ |
#define unguard() |
60 |
+ |
#endif |
61 |
+ |
|
62 |
|
/* rpict command */ |
63 |
< |
char *rpargv[128] = {"rpict", "-S", "1", "-x", "512", "-y", "512", "-pa", "1"}; |
64 |
< |
int rpargc = 9; |
20 |
< |
int rpd[3]; |
63 |
> |
char *rpargv[128] = {"rpict", "-S", "1"}; |
64 |
> |
int rpargc = 3; |
65 |
|
FILE *torp, *fromrp; |
66 |
< |
COLR *scanline; |
66 |
> |
COLR *pbuf; |
67 |
|
/* our view parameters */ |
68 |
|
VIEW ourview = STDVIEW; |
69 |
|
double pixaspect = 1.0; |
70 |
< |
int hres = 512, vres = 512, hmult = 2, vmult = 2; |
70 |
> |
int hres = 1024, vres = 1024, hmult = 4, vmult = 4; |
71 |
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/* output file */ |
72 |
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char *outfile = NULL; |
73 |
|
int outfd; |
74 |
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long scanorig; |
75 |
< |
int syncfd = -1; /* lock file descriptor */ |
75 |
> |
FILE *syncfp = NULL; /* synchronization file pointer */ |
76 |
> |
int synclst = F_UNLCK; /* synchronization file lock status */ |
77 |
> |
int nforked = 0; |
78 |
|
|
79 |
+ |
#define sflock(t) if ((t)!=synclst) dolock(fileno(syncfp),synclst=t) |
80 |
+ |
|
81 |
|
char *progname; |
82 |
|
int verbose = 0; |
83 |
+ |
int nowarn = 0; |
84 |
+ |
unsigned timelim = 0; |
85 |
+ |
int rvrlim = -1; |
86 |
|
|
87 |
< |
extern long lseek(), ftell(); |
87 |
> |
int gotalrm = 0; |
88 |
> |
void onalrm(int i) { gotalrm++; } |
89 |
|
|
90 |
+ |
static void dolock(int fd, int ltyp); |
91 |
+ |
static void init(int ac, char **av); |
92 |
+ |
static int nextpiece(int *xp, int *yp); |
93 |
+ |
static int rvrpiece(int *xp, int *yp); |
94 |
+ |
static int cleanup(int rstat); |
95 |
+ |
static void rpiece(void); |
96 |
+ |
static int putpiece(int xpos, int ypos); |
97 |
+ |
static void filerr(char *t); |
98 |
|
|
99 |
< |
main(argc, argv) |
100 |
< |
int argc; |
101 |
< |
char *argv[]; |
99 |
> |
|
100 |
> |
int |
101 |
> |
main( |
102 |
> |
int argc, |
103 |
> |
char *argv[] |
104 |
> |
) |
105 |
|
{ |
106 |
< |
register int i, rval; |
106 |
> |
int i, rval; |
107 |
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|
108 |
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progname = argv[0]; |
109 |
|
for (i = 1; i < argc; i++) { |
110 |
+ |
/* expand arguments */ |
111 |
+ |
while ((rval = expandarg(&argc, &argv, i)) > 0) |
112 |
+ |
; |
113 |
+ |
if (rval < 0) { |
114 |
+ |
fprintf(stderr, "%s: cannot expand '%s'\n", |
115 |
+ |
argv[0], argv[i]); |
116 |
+ |
exit(1); |
117 |
+ |
} |
118 |
|
if (argv[i][0] == '-') |
119 |
|
switch (argv[i][1]) { |
120 |
+ |
case 'w': |
121 |
+ |
if (!argv[i][2]) |
122 |
+ |
nowarn = !nowarn; |
123 |
+ |
else if (argv[i][2] == '+') |
124 |
+ |
nowarn = 0; |
125 |
+ |
else if (argv[i][2] == '-') |
126 |
+ |
nowarn = 1; |
127 |
+ |
break; |
128 |
|
case 'v': |
129 |
|
switch (argv[i][2]) { |
130 |
|
case '\0': /* verbose option */ |
147 |
|
} |
148 |
|
break; |
149 |
|
case 'p': /* pixel aspect ratio? */ |
150 |
< |
if (argv[i][2] == 'a' && !argv[i][3]) |
151 |
< |
pixaspect = atof(argv[i+1]); |
152 |
< |
break; |
153 |
< |
case 'x': /* piece x resolution */ |
154 |
< |
if (!argv[i][2]) |
155 |
< |
hres = atoi(argv[i+1]); |
156 |
< |
break; |
157 |
< |
case 'y': /* piece y resolution */ |
158 |
< |
if (!argv[i][2]) |
159 |
< |
vres = atoi(argv[i+1]); |
160 |
< |
break; |
150 |
> |
if (argv[i][2] == 'm') { |
151 |
> |
fprintf(stderr, "%s: -pm unsupported\n", |
152 |
> |
argv[0]); |
153 |
> |
++i; |
154 |
> |
continue; |
155 |
> |
} |
156 |
> |
if (argv[i][2] == 'X') { |
157 |
> |
fprintf(stderr, "%s: -pXYZ unsupported\n", |
158 |
> |
argv[0]); |
159 |
> |
++i; |
160 |
> |
continue; |
161 |
> |
} |
162 |
> |
if (argv[i][2] == 'c') { |
163 |
> |
fprintf(stderr, "%s: -pc unsupported\n", |
164 |
> |
argv[0]); |
165 |
> |
i += 9; |
166 |
> |
continue; |
167 |
> |
} |
168 |
> |
if (argv[i][2] != 'a' || argv[i][3]) |
169 |
> |
break; |
170 |
> |
pixaspect = atof(argv[++i]); |
171 |
> |
continue; |
172 |
> |
case 'S': |
173 |
> |
fprintf(stderr, "%s: -S unsupported\n", argv[0]); |
174 |
> |
i++; |
175 |
> |
continue; |
176 |
> |
case 'T': /* time limit (hours) */ |
177 |
> |
if (argv[i][2]) |
178 |
> |
break; |
179 |
> |
timelim = atof(argv[++i])*3600. + .5; |
180 |
> |
continue; |
181 |
> |
case 'x': /* overall x resolution */ |
182 |
> |
if (argv[i][2]) |
183 |
> |
break; |
184 |
> |
hres = atoi(argv[++i]); |
185 |
> |
continue; |
186 |
> |
case 'y': /* overall y resolution */ |
187 |
> |
if (argv[i][2]) |
188 |
> |
break; |
189 |
> |
vres = atoi(argv[++i]); |
190 |
> |
continue; |
191 |
|
case 'X': /* horizontal multiplier */ |
192 |
|
if (argv[i][2]) |
193 |
|
break; |
198 |
|
break; |
199 |
|
vmult = atoi(argv[++i]); |
200 |
|
continue; |
201 |
+ |
case 'R': /* recover */ |
202 |
+ |
if (argv[i][2]) |
203 |
+ |
break; |
204 |
+ |
rvrlim = 0; |
205 |
+ |
/* fall through */ |
206 |
|
case 'F': /* syncronization file */ |
207 |
|
if (argv[i][2]) |
208 |
|
break; |
209 |
< |
if ((syncfd = open(argv[++i], O_RDWR)) < 0) { |
209 |
> |
if ((syncfp = |
210 |
> |
fdopen(open(argv[++i],O_RDWR|O_CREAT,0666),"r+")) == NULL) { |
211 |
|
fprintf(stderr, "%s: cannot open\n", |
212 |
|
argv[i]); |
213 |
|
exit(1); |
214 |
|
} |
215 |
|
continue; |
216 |
+ |
case 'z': /* z-file ist verbotten */ |
217 |
+ |
fprintf(stderr, "%s: -z option not allowed\n", |
218 |
+ |
argv[0]); |
219 |
+ |
exit(1); |
220 |
|
case 'o': /* output file */ |
221 |
|
if (argv[i][2]) |
222 |
|
break; |
223 |
|
outfile = argv[++i]; |
224 |
|
continue; |
225 |
|
} |
226 |
+ |
else if (i >= argc-1) |
227 |
+ |
break; |
228 |
|
rpargv[rpargc++] = argv[i]; |
229 |
|
} |
230 |
< |
rpargv[rpargc] = NULL; |
230 |
> |
if (i >= argc) { |
231 |
> |
fprintf(stderr, "%s: missing octree argument\n", argv[0]); |
232 |
> |
exit(1); |
233 |
> |
} |
234 |
|
if (outfile == NULL) { |
235 |
|
fprintf(stderr, "%s: missing output file\n", argv[0]); |
236 |
|
exit(1); |
237 |
|
} |
238 |
|
init(argc, argv); |
239 |
|
rpiece(); |
240 |
< |
rval = cleanup(); |
117 |
< |
exit(rval); |
240 |
> |
exit(cleanup(0)); |
241 |
|
} |
242 |
|
|
243 |
|
|
244 |
< |
init(ac, av) /* set up output file and start rpict */ |
245 |
< |
int ac; |
246 |
< |
char **av; |
244 |
> |
static void |
245 |
> |
dolock( /* lock or unlock a file */ |
246 |
> |
int fd, |
247 |
> |
int ltyp |
248 |
> |
) |
249 |
|
{ |
250 |
+ |
static struct flock fls; /* static so initialized to zeroes */ |
251 |
+ |
|
252 |
+ |
fls.l_type = ltyp; |
253 |
+ |
if (fcntl(fd, F_SETLKW, &fls) < 0) { |
254 |
+ |
fprintf(stderr, "%s: cannot lock/unlock file: %s\n", |
255 |
+ |
progname, strerror(errno)); |
256 |
+ |
_exit(1); |
257 |
+ |
} |
258 |
+ |
} |
259 |
+ |
|
260 |
+ |
|
261 |
+ |
static void |
262 |
+ |
init( /* set up output file and start rpict */ |
263 |
+ |
int ac, |
264 |
+ |
char **av |
265 |
+ |
) |
266 |
+ |
{ |
267 |
+ |
static char hrbuf[16], vrbuf[16]; |
268 |
|
extern char VersionID[]; |
269 |
|
char *err; |
270 |
|
FILE *fp; |
271 |
|
int hr, vr; |
272 |
+ |
SUBPROC rpd; /* since we don't close_process(), this can be local */ |
273 |
|
/* set up view */ |
274 |
|
if ((err = setview(&ourview)) != NULL) { |
275 |
|
fprintf(stderr, "%s: %s\n", progname, err); |
276 |
|
exit(1); |
277 |
|
} |
278 |
< |
if (syncfd != -1) { |
279 |
< |
char buf[32]; |
280 |
< |
buf[read(syncfd, buf, sizeof(buf)-1)] = '\0'; |
281 |
< |
sscanf(buf, "%d %d", &hmult, &vmult); |
278 |
> |
if (syncfp != NULL) { |
279 |
> |
sflock(F_RDLCK); |
280 |
> |
fscanf(syncfp, "%d %d", &hmult, &vmult); |
281 |
> |
sflock(F_UNLCK); |
282 |
|
} |
283 |
+ |
/* compute piece size */ |
284 |
+ |
hr = hres; vr = vres; |
285 |
+ |
if (pixaspect > FTINY) |
286 |
+ |
normaspect(viewaspect(&ourview), &pixaspect, &hr, &vr); |
287 |
+ |
hres /= hmult; |
288 |
+ |
vres /= vmult; |
289 |
+ |
if (hres <= 0 || vres <= 0) { |
290 |
+ |
fprintf(stderr, "%s: illegal resolution/subdivision\n", progname); |
291 |
+ |
exit(1); |
292 |
+ |
} |
293 |
|
normaspect(viewaspect(&ourview)*hmult/vmult, &pixaspect, &hres, &vres); |
294 |
+ |
if (!nowarn && (hr != hres*hmult) | (vr != vres*vmult)) |
295 |
+ |
fprintf(stderr, |
296 |
+ |
"%s: warning - changed resolution from %dx%d to %dx%d\n", |
297 |
+ |
progname, hr, vr, hres*hmult, vres*vmult); |
298 |
+ |
sprintf(hrbuf, "%d", hres); |
299 |
+ |
rpargv[rpargc++] = "-x"; rpargv[rpargc++] = hrbuf; |
300 |
+ |
sprintf(vrbuf, "%d", vres); |
301 |
+ |
rpargv[rpargc++] = "-y"; rpargv[rpargc++] = vrbuf; |
302 |
+ |
rpargv[rpargc++] = "-pa"; rpargv[rpargc++] = "0"; |
303 |
+ |
rpargv[rpargc++] = "-pm"; rpargv[rpargc++] = "0"; |
304 |
+ |
rpargv[rpargc++] = av[ac-1]; |
305 |
+ |
rpargv[rpargc] = NULL; |
306 |
|
/* open output file */ |
307 |
|
if ((outfd = open(outfile, O_WRONLY|O_CREAT|O_EXCL, 0666)) >= 0) { |
308 |
+ |
dolock(outfd, F_WRLCK); |
309 |
|
if ((fp = fdopen(dup(outfd), "w")) == NULL) |
310 |
|
goto filerr; |
311 |
< |
printargs(ac, av, fp); /* write header */ |
311 |
> |
newheader("RADIANCE", fp); /* create header */ |
312 |
> |
printargs(ac, av, fp); |
313 |
|
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
314 |
|
fputs(VIEWSTR, fp); |
315 |
|
fprintview(&ourview, fp); |
316 |
< |
putc('\n', fp); |
316 |
> |
fputc('\n', fp); |
317 |
> |
fputnow(fp); |
318 |
|
if (pixaspect < .99 || pixaspect > 1.01) |
319 |
|
fputaspect(pixaspect, fp); |
320 |
+ |
fputprims(stdprims, fp); |
321 |
|
fputformat(COLRFMT, fp); |
322 |
< |
putc('\n', fp); |
322 |
> |
fputc('\n', fp); |
323 |
|
fprtresolu(hres*hmult, vres*vmult, fp); |
324 |
|
} else if ((outfd = open(outfile, O_RDWR)) >= 0) { |
325 |
+ |
dolock(outfd, F_RDLCK); |
326 |
|
if ((fp = fdopen(dup(outfd), "r+")) == NULL) |
327 |
|
goto filerr; |
328 |
< |
getheader(fp, NULL); /* skip header */ |
329 |
< |
if (fscnresolu(&hr, &vr, fp) < 0 || /* check resolution */ |
328 |
> |
getheader(fp, NULL, NULL); /* skip header */ |
329 |
> |
if (!fscnresolu(&hr, &vr, fp) || /* check resolution */ |
330 |
|
hr != hres*hmult || vr != vres*vmult) { |
331 |
< |
fprintf(stderr, "%s: picture resolution mismatch\n", |
332 |
< |
outfile); |
331 |
> |
fprintf(stderr, "%s: resolution mismatch on file \"%s\"\n", |
332 |
> |
progname, outfile); |
333 |
|
exit(1); |
334 |
|
} |
335 |
|
} else { |
336 |
< |
fprintf(stderr, "%s: cannot open\n", outfile); |
336 |
> |
fprintf(stderr, "%s: cannot open file \"%s\"\n", |
337 |
> |
progname, outfile); |
338 |
|
exit(1); |
339 |
|
} |
340 |
|
scanorig = ftell(fp); /* record position of first scanline */ |
341 |
|
if (fclose(fp) == -1) /* done with stream i/o */ |
342 |
|
goto filerr; |
343 |
< |
sync(); /* avoid NFS buffering */ |
343 |
> |
dolock(outfd, F_UNLCK); |
344 |
|
/* start rpict process */ |
345 |
< |
if (open_process(rpd, rpargv) <= 0) { |
345 |
> |
rpd = sp_inactive; |
346 |
> |
if (open_process(&rpd, rpargv) <= 0) { |
347 |
|
fprintf(stderr, "%s: cannot start %s\n", progname, rpargv[0]); |
348 |
|
exit(1); |
349 |
|
} |
350 |
< |
if ((fromrp = fdopen(rpd[0], "r")) == NULL || |
351 |
< |
(torp = fdopen(rpd[1], "w")) == NULL) { |
350 |
> |
if ((fromrp = fdopen(rpd.r, "r")) == NULL || |
351 |
> |
(torp = fdopen(rpd.w, "w")) == NULL) { |
352 |
|
fprintf(stderr, "%s: cannot open stream to %s\n", |
353 |
|
progname, rpargv[0]); |
354 |
|
exit(1); |
355 |
|
} |
356 |
< |
if ((scanline = (COLR *)malloc(hres*sizeof(COLR))) == NULL) { |
356 |
> |
if ((pbuf = (COLR *)bmalloc(hres*vres*sizeof(COLR))) == NULL) { |
357 |
|
fprintf(stderr, "%s: out of memory\n", progname); |
358 |
|
exit(1); |
359 |
|
} |
360 |
+ |
signal(SIGALRM, onalrm); |
361 |
+ |
if (timelim) |
362 |
+ |
alarm(timelim); |
363 |
|
return; |
364 |
|
filerr: |
365 |
< |
fprintf(stderr, "%s: file i/o error\n", outfile); |
365 |
> |
fprintf(stderr, "%s: i/o error on file \"%s\"\n", progname, outfile); |
366 |
|
exit(1); |
367 |
|
} |
368 |
|
|
369 |
|
|
370 |
< |
int |
371 |
< |
nextpiece(xp, yp) /* get next piece assignment */ |
372 |
< |
int *xp, *yp; |
370 |
> |
static int |
371 |
> |
nextpiece( /* get next piece assignment */ |
372 |
> |
int *xp, |
373 |
> |
int *yp |
374 |
> |
) |
375 |
|
{ |
376 |
< |
extern char *fgets(); |
377 |
< |
struct flock fls; |
378 |
< |
char buf[64]; |
379 |
< |
|
380 |
< |
if (syncfd != -1) { /* using sync file */ |
381 |
< |
fls.l_type = F_WRLCK; /* gain exclusive access */ |
382 |
< |
fls.l_whence = 0; |
383 |
< |
fls.l_start = 0L; |
384 |
< |
fls.l_len = 0L; |
385 |
< |
fcntl(syncfd, F_SETLKW, &fls); |
386 |
< |
lseek(syncfd, 0L, 0); |
387 |
< |
buf[read(syncfd, buf, sizeof(buf)-1)] = '\0'; |
210 |
< |
if (sscanf(buf, "%*d %*d %d %d", xp, yp) < 2) { |
211 |
< |
*xp = hmult; |
212 |
< |
*yp = vmult-1; |
213 |
< |
} |
214 |
< |
if (--(*xp) < 0) { /* decrement position */ |
376 |
> |
if (gotalrm) /* someone wants us to quit */ |
377 |
> |
return(0); |
378 |
> |
if (syncfp != NULL) { /* use sync file */ |
379 |
> |
/* |
380 |
> |
* So we don't necessarily have to lock and unlock the file |
381 |
> |
* multiple times (very slow), we establish an exclusive |
382 |
> |
* lock at the beginning on our synchronization file and |
383 |
> |
* maintain it in the subroutine rvrpiece(). |
384 |
> |
*/ |
385 |
> |
sflock(F_WRLCK); |
386 |
> |
fseek(syncfp, 0L, 0); /* read position */ |
387 |
> |
if (fscanf(syncfp, "%*d %*d %d %d", xp, yp) < 2) { |
388 |
|
*xp = hmult-1; |
389 |
< |
if (--(*yp) < 0) { /* all done! */ |
390 |
< |
close(syncfd); |
389 |
> |
*yp = vmult; |
390 |
> |
} |
391 |
> |
if (rvrlim == 0) /* initialize recovery limit */ |
392 |
> |
rvrlim = *xp*vmult + *yp; |
393 |
> |
if (rvrpiece(xp, yp)) { /* do stragglers first */ |
394 |
> |
sflock(F_UNLCK); |
395 |
> |
return(1); |
396 |
> |
} |
397 |
> |
if (--(*yp) < 0) { /* decrement position */ |
398 |
> |
*yp = vmult-1; |
399 |
> |
if (--(*xp) < 0) { /* all done */ |
400 |
> |
sflock(F_UNLCK); |
401 |
|
return(0); |
402 |
|
} |
403 |
|
} |
404 |
< |
sprintf(buf, "%d %d\n%d %d\n", hmult, vmult, *xp, *yp); |
405 |
< |
lseek(syncfd, 0L, 0); /* write new position */ |
406 |
< |
write(syncfd, buf, strlen(buf)); |
407 |
< |
fls.l_type = F_UNLCK; /* release sync file */ |
225 |
< |
fcntl(syncfd, F_SETLKW, &fls); |
404 |
> |
fseek(syncfp, 0L, 0); /* write new position */ |
405 |
> |
fprintf(syncfp, "%4d %4d\n%4d %4d\n\n", hmult, vmult, *xp, *yp); |
406 |
> |
fflush(syncfp); |
407 |
> |
sflock(F_UNLCK); /* release sync file */ |
408 |
|
return(1); |
409 |
|
} |
410 |
< |
if (fgets(buf, sizeof(buf), stdin) == NULL) /* using stdin */ |
229 |
< |
return(0); |
230 |
< |
if (sscanf(buf, "%d %d", xp, yp) == 2) |
231 |
< |
return(1); |
232 |
< |
fprintf(stderr, "%s: input format error\n", progname); |
233 |
< |
exit(1); |
410 |
> |
return(scanf("%d %d", xp, yp) == 2); /* use stdin */ |
411 |
|
} |
412 |
|
|
413 |
|
|
414 |
< |
int |
415 |
< |
cleanup() /* close rpict process and clean up */ |
414 |
> |
static int |
415 |
> |
rvrpiece( /* check for recoverable pieces */ |
416 |
> |
int *xp, |
417 |
> |
int *yp |
418 |
> |
) |
419 |
|
{ |
420 |
< |
register int rpstat; |
420 |
> |
static char *pdone = NULL; /* which pieces are done */ |
421 |
> |
static long readpos = -1; /* how far we've read */ |
422 |
> |
int px, py, i; |
423 |
> |
/* |
424 |
> |
* This routine is called by nextpiece() with an |
425 |
> |
* exclusive lock on syncfp and the file pointer at the |
426 |
> |
* appropriate position to read in the finished pieces. |
427 |
> |
*/ |
428 |
> |
if (rvrlim < 0) |
429 |
> |
return(0); /* only check if asked */ |
430 |
> |
if (pdone == NULL) /* first call */ |
431 |
> |
pdone = (char *)calloc(hmult*vmult, sizeof(char)); |
432 |
> |
if (pdone == NULL) { |
433 |
> |
fprintf(stderr, "%s: out of memory\n", progname); |
434 |
> |
exit(1); |
435 |
> |
} |
436 |
> |
if (readpos != -1) /* mark what's been done */ |
437 |
> |
fseek(syncfp, readpos, 0); |
438 |
> |
while (fscanf(syncfp, "%d %d", &px, &py) == 2) |
439 |
> |
pdone[px*vmult+py] = 1; |
440 |
> |
if (!feof(syncfp)) { |
441 |
> |
fprintf(stderr, "%s: format error in sync file\n", progname); |
442 |
> |
exit(1); |
443 |
> |
} |
444 |
> |
readpos = ftell(syncfp); |
445 |
> |
i = hmult*vmult; /* find an unaccounted for piece */ |
446 |
> |
while (i-- > rvrlim) |
447 |
> |
if (!pdone[i]) { |
448 |
> |
*xp = i / vmult; |
449 |
> |
*yp = i % vmult; |
450 |
> |
pdone[i] = 1; /* consider it done */ |
451 |
> |
return(1); |
452 |
> |
} |
453 |
> |
rvrlim = -1; /* nothing left to recover */ |
454 |
> |
free(pdone); |
455 |
> |
pdone = NULL; |
456 |
> |
return(0); |
457 |
> |
} |
458 |
|
|
459 |
< |
free((char *)scanline); |
459 |
> |
|
460 |
> |
static int |
461 |
> |
cleanup( /* close rpict process and clean up */ |
462 |
> |
int rstat |
463 |
> |
) |
464 |
> |
{ |
465 |
> |
int status; |
466 |
> |
|
467 |
> |
bfree((char *)pbuf, hres*vres*sizeof(COLR)); |
468 |
|
fclose(torp); |
469 |
|
fclose(fromrp); |
470 |
< |
rpstat = close_process(rpd); |
471 |
< |
if (rpstat == -1) |
472 |
< |
rpstat = 0; |
473 |
< |
return(rpstat); |
470 |
> |
while (wait(&status) != -1) |
471 |
> |
if (rstat == 0) |
472 |
> |
rstat = status>>8 & 0xff; |
473 |
> |
return(rstat); |
474 |
|
} |
475 |
|
|
476 |
|
|
477 |
< |
rpiece() /* render picture piece by piece */ |
477 |
> |
static void |
478 |
> |
rpiece(void) /* render picture piece by piece */ |
479 |
|
{ |
480 |
+ |
char *err; |
481 |
|
VIEW pview; |
482 |
|
int xorg, yorg; |
483 |
< |
|
483 |
> |
/* render each piece */ |
484 |
|
while (nextpiece(&xorg, &yorg)) { |
485 |
< |
copystruct(&pview, &ourview); /* compute view for piece */ |
486 |
< |
switch (ourview.type) { |
487 |
< |
case VT_PER: |
488 |
< |
pview.horiz = 2.*180./PI*atan( |
489 |
< |
tan(PI/180./2.*ourview.horiz)/hmult ); |
490 |
< |
pview.vert = 2.*180./PI*atan( |
264 |
< |
tan(PI/180./2.*ourview.vert)/vmult ); |
265 |
< |
break; |
266 |
< |
case VT_PAR: |
267 |
< |
case VT_ANG: |
268 |
< |
pview.horiz = ourview.horiz / hmult; |
269 |
< |
pview.vert = ourview.vert / vmult; |
270 |
< |
break; |
271 |
< |
case VT_HEM: |
272 |
< |
pview.horiz = 2.*180./PI*asin( |
273 |
< |
sin(PI/180./2.*ourview.horiz)/hmult ); |
274 |
< |
pview.vert = 2.*180./PI*asin( |
275 |
< |
sin(PI/180./2.*ourview.vert)/vmult ); |
276 |
< |
break; |
277 |
< |
default: |
278 |
< |
fprintf(stderr, "%s: unknown view type '-vt%c'\n", |
279 |
< |
progname, ourview.type); |
280 |
< |
exit(1); |
485 |
> |
pview = ourview; |
486 |
> |
err = cropview(&pview, (double)xorg/hmult, (double)yorg/vmult, |
487 |
> |
(xorg+1.)/hmult, (yorg+1.)/vmult); |
488 |
> |
if (err != NULL) { |
489 |
> |
fprintf(stderr, "%s: %s\n", progname, err); |
490 |
> |
exit(cleanup(1)); |
491 |
|
} |
282 |
– |
pview.hoff += xorg - 0.5*(hmult-1); |
283 |
– |
pview.voff += yorg - 0.5*(vmult-1); |
492 |
|
fputs(VIEWSTR, torp); |
493 |
|
fprintview(&pview, torp); |
494 |
< |
putc('\n', torp); |
495 |
< |
fflush(torp); /* assign piece to rpict */ |
494 |
> |
fputc('\n', torp); |
495 |
> |
fflush(torp); /* assigns piece to rpict */ |
496 |
|
putpiece(xorg, yorg); /* place piece in output */ |
289 |
– |
if (verbose) { /* notify caller */ |
290 |
– |
printf("%d %d done\n", xorg, yorg); |
291 |
– |
fflush(stdout); |
292 |
– |
} |
497 |
|
} |
498 |
|
} |
499 |
|
|
500 |
|
|
501 |
< |
putpiece(xpos, ypos) /* get next piece from rpict */ |
502 |
< |
int xpos, ypos; |
501 |
> |
static int |
502 |
> |
putpiece( /* get next piece from rpict */ |
503 |
> |
int xpos, |
504 |
> |
int ypos |
505 |
> |
) |
506 |
|
{ |
507 |
+ |
struct flock fls; |
508 |
+ |
int pid, status; |
509 |
|
int hr, vr; |
510 |
|
int y; |
511 |
< |
|
512 |
< |
if (xpos < 0 | ypos < 0 | xpos >= hmult | ypos >= vmult) { |
511 |
> |
/* check bounds */ |
512 |
> |
if ((xpos < 0) | (ypos < 0) | (xpos >= hmult) | (ypos >= vmult)) { |
513 |
|
fprintf(stderr, "%s: requested piece (%d,%d) out of range\n", |
514 |
|
progname, xpos, ypos); |
515 |
< |
exit(1); |
515 |
> |
exit(cleanup(1)); |
516 |
|
} |
517 |
< |
getheader(fromrp, NULL); /* discard header info. */ |
518 |
< |
if (fscnresolu(&hr, &vr, fromrp) < 0 || /* check resolution */ |
519 |
< |
hr != hres || vr != vres) { |
517 |
> |
/* check header from rpict */ |
518 |
> |
guard_io(); |
519 |
> |
getheader(fromrp, NULL, NULL); |
520 |
> |
if (!fscnresolu(&hr, &vr, fromrp) || (hr != hres) | (vr != vres)) { |
521 |
|
fprintf(stderr, "%s: resolution mismatch from %s\n", |
522 |
|
progname, rpargv[0]); |
523 |
< |
exit(1); |
523 |
> |
exit(cleanup(1)); |
524 |
|
} |
525 |
< |
for (y = 0; y < vr; y++) { /* transfer scanlines */ |
526 |
< |
if (freadcolrs(scanline, hr, fromrp) < 0) { |
525 |
> |
if (verbose) { /* notify caller */ |
526 |
> |
printf("%d %d begun\n", xpos, ypos); |
527 |
> |
fflush(stdout); |
528 |
> |
} |
529 |
> |
unguard(); |
530 |
> |
/* load new piece into buffer */ |
531 |
> |
for (y = 0; y < vr; y++) { |
532 |
> |
guard_io(); |
533 |
> |
if (freadcolrs(pbuf+y*hr, hr, fromrp) < 0) { |
534 |
|
fprintf(stderr, "%s: read error from %s\n", |
535 |
|
progname, rpargv[0]); |
536 |
< |
exit(1); |
536 |
> |
exit(cleanup(1)); |
537 |
|
} |
538 |
< |
if ((y == 0 || hmult != 1) && lseek(outfd, |
539 |
< |
scanorig+((long)((vmult-1-ypos)*vres+y)*hmult*hres+xpos*hres)*sizeof(COLR), |
540 |
< |
0) == -1) { |
541 |
< |
fprintf(stderr, "%s: seek error\n", outfile); |
542 |
< |
exit(1); |
538 |
> |
unguard(); |
539 |
> |
} |
540 |
> |
#if MAXFORK |
541 |
> |
/* fork so we don't slow rpict down */ |
542 |
> |
if ((pid = fork()) > 0) { |
543 |
> |
if (++nforked >= MAXFORK) { |
544 |
> |
wait(&status); /* reap a child */ |
545 |
> |
if (status) |
546 |
> |
exit(cleanup(status>>8 & 0xff)); |
547 |
> |
nforked--; |
548 |
|
} |
549 |
< |
if (writebuf(outfd, (char *)scanline, hr*sizeof(COLR)) != |
550 |
< |
hr*sizeof(COLR)) { |
551 |
< |
fprintf(stderr, "%s: write error\n", outfile); |
552 |
< |
exit(1); |
549 |
> |
return(pid); |
550 |
> |
} |
551 |
> |
#else |
552 |
> |
pid = -1; /* no forking */ |
553 |
> |
#endif |
554 |
> |
fls.l_start = scanorig + |
555 |
> |
((long)(vmult-1-ypos)*vres*hmult+xpos)*hres*sizeof(COLR); |
556 |
> |
#if NFS |
557 |
> |
fls.l_len = ((long)(vres-1)*hmult+1)*hres*sizeof(COLR); |
558 |
> |
/* lock file section so NFS doesn't mess up */ |
559 |
> |
fls.l_whence = 0; |
560 |
> |
fls.l_type = F_WRLCK; |
561 |
> |
#if 0 |
562 |
> |
if (fcntl(outfd, F_SETLKW, &fls) < 0) |
563 |
> |
filerr("lock"); |
564 |
> |
#else |
565 |
> |
dolock(outfd, F_WRLCK); |
566 |
> |
#endif |
567 |
> |
#endif |
568 |
> |
/* write new piece to file */ |
569 |
> |
if (lseek(outfd, (off_t)fls.l_start, SEEK_SET) < 0) |
570 |
> |
filerr("seek"); |
571 |
> |
if (hmult == 1) { |
572 |
> |
if (writebuf(outfd, pbuf, |
573 |
> |
vr*hr*sizeof(COLR)) != vr*hr*sizeof(COLR)) |
574 |
> |
filerr("write"); |
575 |
> |
} else |
576 |
> |
for (y = 0; y < vr; y++) { |
577 |
> |
if (writebuf(outfd, pbuf+y*hr, |
578 |
> |
hr*sizeof(COLR)) != hr*sizeof(COLR)) |
579 |
> |
filerr("write"); |
580 |
> |
if (y < vr-1 && lseek(outfd, |
581 |
> |
(off_t)(hmult-1)*hr*sizeof(COLR), |
582 |
> |
SEEK_CUR) < 0) |
583 |
> |
filerr("seek"); |
584 |
|
} |
585 |
+ |
#if NFS |
586 |
+ |
fls.l_type = F_UNLCK; /* release lock */ |
587 |
+ |
#if 0 |
588 |
+ |
if (fcntl(outfd, F_SETLKW, &fls) < 0) |
589 |
+ |
filerr("lock"); |
590 |
+ |
#else |
591 |
+ |
dolock(outfd, F_UNLCK); |
592 |
+ |
#endif |
593 |
+ |
#endif |
594 |
+ |
if (verbose) { /* notify caller */ |
595 |
+ |
printf("%d %d done\n", xpos, ypos); |
596 |
+ |
fflush(stdout); |
597 |
|
} |
598 |
+ |
if (syncfp != NULL) { /* record what's been done */ |
599 |
+ |
sflock(F_WRLCK); |
600 |
+ |
fseek(syncfp, 0L, 2); /* append index */ |
601 |
+ |
fprintf(syncfp, "%4d %4d\n", xpos, ypos); |
602 |
+ |
fflush(syncfp); |
603 |
+ |
/*** Unlock not necessary, since |
604 |
+ |
sflock(F_UNLCK); _exit() or nextpiece() is next ***/ |
605 |
+ |
} |
606 |
+ |
if (pid == -1) /* didn't fork or fork failed */ |
607 |
+ |
return(0); |
608 |
+ |
_exit(0); /* else exit child process (releasing locks) */ |
609 |
|
} |
610 |
+ |
|
611 |
+ |
|
612 |
+ |
static void |
613 |
+ |
filerr( /* report file error and exit */ |
614 |
+ |
char *t |
615 |
+ |
) |
616 |
+ |
{ |
617 |
+ |
fprintf(stderr, "%s: %s error on file \"%s\": %s\n", |
618 |
+ |
progname, t, outfile, strerror(errno)); |
619 |
+ |
_exit(1); |
620 |
+ |
} |
621 |
+ |
|
622 |
+ |
#endif |