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* Generate sections of a picture. |
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*/ |
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#include <stdio.h> |
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#include <signal.h> |
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#include <sys/types.h> |
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#ifndef NON_POSIX /* XXX need abstraction for process management */ |
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#include <sys/wait.h> |
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#endif |
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|
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#include "platform.h" |
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#include "standard.h" |
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#include "color.h" |
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#include "view.h" |
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#include "rtprocess.h" |
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#ifndef F_SETLKW |
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|
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< |
main(argc, argv) |
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int argc; |
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char *argv[]; |
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int |
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main( |
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int argc, |
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char *argv[] |
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) |
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{ |
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fprintf(stderr, "%s: no NFS lock manager on this machine\n", argv[0]); |
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exit(1); |
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#else |
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#include <signal.h> |
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#include "color.h" |
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#include "view.h" |
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#include "rtprocess.h" |
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|
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#ifndef NFS |
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#define NFS 1 |
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#endif |
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#define unguard() sigrelse(SIGALRM) |
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#endif |
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#ifndef guard_io |
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#define guard_io() 0 |
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#define unguard() 0 |
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#define guard_io() |
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#define unguard() |
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#endif |
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extern char *strerror(); |
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int gotalrm = 0; |
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void onalrm(int i) { gotalrm++; } |
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|
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static void dolock(int fd, int ltyp); |
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static void init(int ac, char **av); |
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static int nextpiece(int *xp, int *yp); |
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static int rvrpiece(int *xp, int *yp); |
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static int cleanup(int rstat); |
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static void rpiece(void); |
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static int putpiece(int xpos, int ypos); |
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static void filerr(char *t); |
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|
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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|
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int |
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main( |
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int argc, |
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char *argv[] |
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) |
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{ |
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register int i, rval; |
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|
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} |
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|
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dolock(fd, ltyp) /* lock or unlock a file */ |
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int fd; |
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int ltyp; |
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static void |
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dolock( /* lock or unlock a file */ |
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int fd, |
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int ltyp |
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) |
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{ |
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static struct flock fls; /* static so initialized to zeroes */ |
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} |
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init(ac, av) /* set up output file and start rpict */ |
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int ac; |
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char **av; |
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static void |
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init( /* set up output file and start rpict */ |
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> |
int ac, |
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> |
char **av |
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) |
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{ |
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static char hrbuf[16], vrbuf[16]; |
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extern char VersionID[]; |
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} |
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|
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|
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< |
int |
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nextpiece(xp, yp) /* get next piece assignment */ |
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int *xp, *yp; |
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> |
static int |
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> |
nextpiece( /* get next piece assignment */ |
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int *xp, |
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> |
int *yp |
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) |
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{ |
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if (gotalrm) /* someone wants us to quit */ |
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return(0); |
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} |
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|
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|
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int |
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< |
rvrpiece(xp, yp) /* check for recoverable pieces */ |
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< |
register int *xp, *yp; |
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> |
static int |
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rvrpiece( /* check for recoverable pieces */ |
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> |
register int *xp, |
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> |
register int *yp |
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> |
) |
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{ |
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static char *pdone = NULL; /* which pieces are done */ |
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static long readpos = -1; /* how far we've read */ |
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} |
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|
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|
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int |
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cleanup(rstat) /* close rpict process and clean up */ |
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int rstat; |
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> |
static int |
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cleanup( /* close rpict process and clean up */ |
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int rstat |
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) |
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{ |
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int status; |
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|
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} |
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|
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|
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< |
rpiece() /* render picture piece by piece */ |
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> |
static void |
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> |
rpiece(void) /* render picture piece by piece */ |
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{ |
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VIEW pview; |
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int xorg, yorg; |
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} |
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|
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|
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< |
int |
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< |
putpiece(xpos, ypos) /* get next piece from rpict */ |
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< |
int xpos, ypos; |
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> |
static int |
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> |
putpiece( /* get next piece from rpict */ |
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> |
int xpos, |
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> |
int ypos |
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> |
) |
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{ |
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struct flock fls; |
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int pid, status; |
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int hr, vr; |
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register int y; |
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/* check bounds */ |
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< |
if (xpos < 0 | ypos < 0 | xpos >= hmult | ypos >= vmult) { |
486 |
> |
if ((xpos < 0) | (ypos < 0) | (xpos >= hmult) | (ypos >= vmult)) { |
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fprintf(stderr, "%s: requested piece (%d,%d) out of range\n", |
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progname, xpos, ypos); |
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exit(cleanup(1)); |
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/* check header from rpict */ |
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guard_io(); |
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getheader(fromrp, NULL, NULL); |
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< |
if (!fscnresolu(&hr, &vr, fromrp) || hr != hres | vr != vres) { |
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> |
if (!fscnresolu(&hr, &vr, fromrp) || (hr != hres) | (vr != vres)) { |
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fprintf(stderr, "%s: resolution mismatch from %s\n", |
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progname, rpargv[0]); |
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exit(cleanup(1)); |
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filerr("lock"); |
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#endif |
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/* write new piece to file */ |
539 |
< |
if (lseek(outfd, (off_t)fls.l_start, 0) < 0) |
539 |
> |
if (lseek(outfd, (off_t)fls.l_start, SEEK_SET) < 0) |
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filerr("seek"); |
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if (hmult == 1) { |
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if (writebuf(outfd, (char *)pbuf, |
549 |
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filerr("write"); |
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if (y < vr-1 && lseek(outfd, |
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(off_t)(hmult-1)*hr*sizeof(COLR), |
552 |
< |
1) < 0) |
552 |
> |
SEEK_CUR) < 0) |
553 |
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filerr("seek"); |
554 |
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} |
555 |
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#if NFS |
575 |
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} |
576 |
|
|
577 |
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|
578 |
< |
filerr(t) /* report file error and exit */ |
579 |
< |
char *t; |
578 |
> |
static void |
579 |
> |
filerr( /* report file error and exit */ |
580 |
> |
char *t |
581 |
> |
) |
582 |
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{ |
583 |
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fprintf(stderr, "%s: %s error on file \"%s\": %s\n", |
584 |
|
progname, t, outfile, strerror(errno)); |