connect_and_exec()
{
if (PostScript == 0 && ps_open_PostScript() == 0) {
fprintf(stderr, "%s: Cannot connect to window server\n",
programname);
exit(0);
}
dup2(fileno(PostScriptInput), 0);
dup2(0, 1);
dup2(0, 2);
fclose(PostScriptInput);
fclose(PostScript);
printf("%s\n", servicename);
fflush(stdout);
execv(args[0], &args[0]);
perror("execv");
}
Boolean initNeWS(void)
{
static NeWStoken newstoken;
/* now try to open the connection to the NeWS server */
if (ps_open_PostScript() == (PSFILE *) NULL)
return False;
psio_sigpipe_handler_struct.sa_handler = psio_sigpipe_handler;
sigemptyset(&psio_sigpipe_handler_struct.sa_mask);
#if !FLAKY_SIGPOLL
if (fcntl(PostScript->file, F_SETOWN, getpid()) == -1)
perror("xdvi: fcntl F_SETOWN");
if (fcntl(PostScript->file, F_SETFL,
fcntl(PostScript->file, F_GETFL, 0) | FASYNC) == -1)
perror("xdvi: fcntl F_SETFL");
#endif /* not FLAKY_SIGPOLL */
if (PostScriptInput->file != PostScript->file) {
#if !FLAKY_SIGPOLL
if (fcntl(PostScriptInput->file, F_SETOWN, getpid()) == -1)
perror("xdvi: fcntl F_SETOWN");
if (fcntl(PostScriptInput->file, F_SETFL,
fcntl(PostScriptInput->file, F_GETFL, 0) | FASYNC) == -1)
perror("xdvi: fcntl F_SETFL");
#endif /* not FLAKY_SIGPOLL */
NeWS_xout.xio_events &= ~XIO_IN;
NeWS_xin.fd = PostScriptInput->file;
set_io(&NeWS_xin);
}
NeWS_xout.fd = PostScript->file;
set_io(&NeWS_xout);
NeWS_active = False;
NeWS_in_header = True;
NeWS_ev_mask = NEWS_MASK_INIT;
NeWS_pending = 1;
ps_flush_PostScript();
NeWS_send(str0, (sizeof str0) - 1);
/* get xid of window, then make this window the NeWS canvas */
(void)ps_token_from_xid(mane.win, &newstoken);
if (newstoken != -1) {
ps_setcanvas(newstoken);
ps_flush_PostScript();
NeWS_send(preamble, (sizeof preamble) - 1);
NeWS_send(psheader, psheaderlen);
NeWS_send(preamble2, (sizeof preamble2) - 1);
NeWS_in_header = False;
post_send();
waitack();
}
if (NeWS_destroyed)
return False;
/* success */
NeWS_mag = NeWS_shrink = -1;
NeWS_page_w = globals.page.w;
NeWS_page_h = globals.page.h;
psp = news_procs;
if (!resource.postscript)
toggleNeWS(0); /* if we got a 'v' already */
return True;
}
