7 |
|
* External symbols declared in ray.h |
8 |
|
*/ |
9 |
|
|
10 |
< |
/* ==================================================================== |
11 |
< |
* The Radiance Software License, Version 1.0 |
12 |
< |
* |
13 |
< |
* Copyright (c) 1990 - 2002 The Regents of the University of California, |
14 |
< |
* through Lawrence Berkeley National Laboratory. All rights reserved. |
15 |
< |
* |
16 |
< |
* Redistribution and use in source and binary forms, with or without |
17 |
< |
* modification, are permitted provided that the following conditions |
18 |
< |
* are met: |
19 |
< |
* |
20 |
< |
* 1. Redistributions of source code must retain the above copyright |
21 |
< |
* notice, this list of conditions and the following disclaimer. |
22 |
< |
* |
23 |
< |
* 2. Redistributions in binary form must reproduce the above copyright |
24 |
< |
* notice, this list of conditions and the following disclaimer in |
25 |
< |
* the documentation and/or other materials provided with the |
26 |
< |
* distribution. |
27 |
< |
* |
28 |
< |
* 3. The end-user documentation included with the redistribution, |
29 |
< |
* if any, must include the following acknowledgment: |
30 |
< |
* "This product includes Radiance software |
31 |
< |
* (http://radsite.lbl.gov/) |
32 |
< |
* developed by the Lawrence Berkeley National Laboratory |
33 |
< |
* (http://www.lbl.gov/)." |
34 |
< |
* Alternately, this acknowledgment may appear in the software itself, |
35 |
< |
* if and wherever such third-party acknowledgments normally appear. |
36 |
< |
* |
37 |
< |
* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
38 |
< |
* and "The Regents of the University of California" must |
39 |
< |
* not be used to endorse or promote products derived from this |
40 |
< |
* software without prior written permission. For written |
41 |
< |
* permission, please contact [email protected]. |
42 |
< |
* |
43 |
< |
* 5. Products derived from this software may not be called "Radiance", |
44 |
< |
* nor may "Radiance" appear in their name, without prior written |
45 |
< |
* permission of Lawrence Berkeley National Laboratory. |
46 |
< |
* |
47 |
< |
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
48 |
< |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
49 |
< |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
50 |
< |
* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
51 |
< |
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
52 |
< |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
53 |
< |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
54 |
< |
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
55 |
< |
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
56 |
< |
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
57 |
< |
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
58 |
< |
* SUCH DAMAGE. |
59 |
< |
* ==================================================================== |
60 |
< |
* |
61 |
< |
* This software consists of voluntary contributions made by many |
62 |
< |
* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
63 |
< |
* information on Lawrence Berkeley National Laboratory, please see |
64 |
< |
* <http://www.lbl.gov/>. |
65 |
< |
*/ |
10 |
> |
#include "copyright.h" |
11 |
|
|
12 |
+ |
#include <string.h> |
13 |
+ |
#include <signal.h> |
14 |
+ |
#include <sys/stat.h> |
15 |
+ |
|
16 |
+ |
#include "platform.h" |
17 |
+ |
#include "rtprocess.h" /* getpid() */ |
18 |
|
#include "standard.h" |
19 |
|
#include "random.h" |
20 |
+ |
#include "ray.h" |
21 |
|
|
22 |
|
#ifdef F_SETLKW |
23 |
|
#include "paths.h" |
24 |
|
#include "selcall.h" |
73 |
– |
#include <signal.h> |
74 |
– |
#include <sys/stat.h> |
25 |
|
|
26 |
|
#ifndef TIMELIM |
27 |
|
#define TIMELIM (8*3600) /* time limit for holding pattern */ |
28 |
|
#endif |
29 |
|
|
80 |
– |
#ifndef freebsd |
81 |
– |
#define mkfifo(fn,md) mknod(fn, S_IFIFO|(md), 0) |
82 |
– |
#endif |
83 |
– |
|
84 |
– |
extern void io_process(); |
85 |
– |
|
30 |
|
extern int headismine; /* boolean true if header belongs to me */ |
87 |
– |
|
31 |
|
extern char *progname; /* global program name */ |
89 |
– |
|
32 |
|
extern char *errfile; /* global error file name */ |
91 |
– |
|
33 |
|
static char *persistfname = NULL; /* persist file name */ |
34 |
|
static int persistfd = -1; /* persist file descriptor */ |
94 |
– |
|
35 |
|
static char inpname[TEMPLEN+1], outpname[TEMPLEN+1], errname[TEMPLEN+1]; |
36 |
|
|
37 |
+ |
typedef void (sighandler_t)(int); |
38 |
+ |
static sighandler_t sig_io; |
39 |
+ |
static sighandler_t sig_alrm; |
40 |
|
|
41 |
< |
void |
42 |
< |
pfdetach() /* release persist (and header) resources */ |
41 |
> |
|
42 |
> |
extern void |
43 |
> |
pfdetach(void) /* release persist (and header) resources */ |
44 |
|
{ |
45 |
|
if (persistfd >= 0) |
46 |
|
close(persistfd); |
53 |
|
} |
54 |
|
|
55 |
|
|
56 |
< |
void |
57 |
< |
pfclean() /* clean up persist files */ |
56 |
> |
extern void |
57 |
> |
pfclean(void) /* clean up persist files */ |
58 |
|
{ |
59 |
|
if (persistfd >= 0) |
60 |
|
close(persistfd); |
69 |
|
} |
70 |
|
|
71 |
|
|
72 |
< |
void |
73 |
< |
pflock(lf) /* place or release exclusive lock on file */ |
74 |
< |
int lf; |
72 |
> |
extern void |
73 |
> |
pflock( /* place or release exclusive lock on file */ |
74 |
> |
int lf |
75 |
> |
) |
76 |
|
{ |
77 |
|
struct flock fls; |
78 |
|
|
85 |
|
} |
86 |
|
|
87 |
|
|
88 |
< |
persistfile(pfn) /* open persist file and lock it */ |
89 |
< |
char *pfn; |
88 |
> |
extern void |
89 |
> |
persistfile( /* open persist file and lock it */ |
90 |
> |
char *pfn |
91 |
> |
) |
92 |
|
{ |
93 |
|
persistfd = open(pfn, O_WRONLY|O_CREAT|O_EXCL, 0644); |
94 |
|
if (persistfd >= 0) { |
109 |
|
|
110 |
|
static int got_io; |
111 |
|
|
112 |
< |
static void sig_io() { got_io++; } |
112 |
> |
static void sig_io(int i) { got_io++; } |
113 |
|
|
114 |
< |
static void sig_alrm() { quit(0); } |
114 |
> |
static void sig_alrm(int i) { quit(0); } |
115 |
|
|
116 |
|
|
117 |
< |
void |
118 |
< |
pfhold() /* holding pattern for idle rendering process */ |
117 |
> |
extern void |
118 |
> |
pfhold(void) /* holding pattern for idle rendering process */ |
119 |
|
{ |
120 |
< |
void (*oldalrm)(); |
120 |
> |
sighandler_t *oldalrm; |
121 |
|
char buf[512]; |
122 |
|
register int n; |
123 |
|
/* close input and output descriptors */ |
138 |
|
n = strlen(buf); |
139 |
|
if (write(persistfd, buf, n) < n) |
140 |
|
error(SYSTEM, "error writing persist file"); |
141 |
< |
lseek(persistfd, (off_t)0L, 0); |
141 |
> |
lseek(persistfd, (off_t)0, SEEK_SET); |
142 |
|
/* wait TIMELIM for someone to signal us */ |
143 |
|
got_io = 0; |
144 |
|
signal(SIGIO, sig_io); |
145 |
< |
oldalrm = (void (*)())signal(SIGALRM, sig_alrm); |
145 |
> |
oldalrm = signal(SIGALRM, sig_alrm); |
146 |
|
alarm(TIMELIM); |
147 |
|
pflock(0); /* unlock persist file for attach */ |
148 |
|
while (!got_io) |
185 |
|
} |
186 |
|
|
187 |
|
|
188 |
< |
void |
189 |
< |
io_process() /* just act as go-between for actual process */ |
188 |
> |
extern void |
189 |
> |
io_process(void) /* just act as go-between for actual process */ |
190 |
|
{ |
191 |
|
register char *cp; |
192 |
|
register int nr, n; |
206 |
|
} |
207 |
|
if (nr < 0) |
208 |
|
error(SYSTEM, "error reading persist file"); |
209 |
+ |
#ifndef _WIN32 /* XXX we need a replacement for that one */ |
210 |
|
ftruncate(persistfd, (off_t)0L); /* truncate persist file */ |
211 |
+ |
#endif |
212 |
|
pfdetach(); /* close & release persist file */ |
213 |
|
buf[nr] = '\0'; /* parse what we got */ |
214 |
< |
if ((cp = index(buf, ' ')) == NULL) |
214 |
> |
if ((cp = strchr(buf, ' ')) == NULL) |
215 |
|
goto formerr; |
216 |
|
*cp++ = '\0'; |
217 |
|
if ((pid = atoi(cp)) <= 0) |
218 |
|
goto formerr; |
219 |
< |
if ((cp = index(cp, '\n')) == NULL) |
219 |
> |
if ((cp = strchr(cp, '\n')) == NULL) |
220 |
|
goto formerr; |
221 |
|
pfin = ++cp; |
222 |
< |
if ((cp = index(cp, '\n')) == NULL) |
222 |
> |
if ((cp = strchr(cp, '\n')) == NULL) |
223 |
|
goto formerr; |
224 |
|
*cp++ = '\0'; |
225 |
|
pfout = cp; |
226 |
< |
if ((cp = index(cp, '\n')) == NULL) |
226 |
> |
if ((cp = strchr(cp, '\n')) == NULL) |
227 |
|
goto formerr; |
228 |
|
*cp++ = '\0'; |
229 |
|
pferr = cp; |
230 |
< |
if ((cp = index(cp, '\n')) == NULL) |
230 |
> |
if ((cp = strchr(cp, '\n')) == NULL) |
231 |
|
goto formerr; |
232 |
|
*cp++ = '\0'; |
233 |
|
if (cp-buf != nr) |
335 |
|
} while ((nr -= n) > 0); |
336 |
|
} |
337 |
|
} |
338 |
< |
wait(0); /* wait for feeder process */ |
338 |
> |
kill(pid, SIGTERM); /* no more process to feed, so... */ |
339 |
> |
waitpid(pid, 0, 0); /* wait for feeder process */ |
340 |
|
_exit(status); |
341 |
|
formerr: |
342 |
|
error(USER, "format error in persist file"); |
348 |
|
|
349 |
|
#else |
350 |
|
|
351 |
< |
void pfclean() {} |
351 |
> |
extern void pfclean(void) {} |
352 |
|
|
353 |
|
#endif |