void tickon(void)
{
#ifdef HAVE_SETITIMER
struct itimerval val;
val.it_interval.tv_sec = 0;
val.it_interval.tv_usec = 0;
if (auto_scroll) {
int tim = auto_trig_time - mnow();
if (tim < 0)
tim = 1;
tim *= 1000;
val.it_value.tv_sec = 0;
val.it_value.tv_usec = tim;
} else {
val.it_value.tv_sec = 1;
val.it_value.tv_usec = 0;
}
ticked = 0;
joe_set_signal(SIGALRM, dotick);
setitimer(ITIMER_REAL,&val,NULL);
#else
ticked = 0;
joe_set_signal(SIGALRM, dotick);
alarm(1);
#endif
}
/* Restore signals for exiting */
void signrm(void)
{
if (!ttysig)
return;
ttysig = 0;
joe_set_signal(SIGABRT, SIG_DFL);
joe_set_signal(SIGHUP, SIG_DFL);
joe_set_signal(SIGTERM, SIG_DFL);
joe_set_signal(SIGINT, SIG_DFL);
joe_set_signal(SIGPIPE, SIG_DFL);
}
/* Set signals for JOE */
void sigjoe(void)
{
if (ttysig)
return;
ttysig = 1;
joe_set_signal(SIGHUP, ttsig);
joe_set_signal(SIGTERM, ttsig);
joe_set_signal(SIGABRT, ttsig);
joe_set_signal(SIGINT, SIG_IGN);
joe_set_signal(SIGPIPE, SIG_IGN);
}
/* Open terminal */
void ttopnn(void)
{
int x;
struct termios newterm;
if (!open_terminal_handles()) {
fprintf(stderr, (char *)joe_gettext(_("Couldn\'t open /dev/tty\n")));
exit(1);
}
joe_set_signal(SIGWINCH, winchd);
if (ttymode)
return;
ttymode = 1;
fflush(termout);
tcgetattr(fileno(termin), &oldterm);
newterm = oldterm;
newterm.c_lflag = 0;
if (noxon)
newterm.c_iflag &= ~(ICRNL | IGNCR | INLCR | IXON | IXOFF);
else
newterm.c_iflag &= ~(ICRNL | IGNCR | INLCR);
newterm.c_oflag = 0;
newterm.c_cc[VMIN] = 1;
newterm.c_cc[VTIME] = 0;
tcsetattr(fileno(termin), TCSADRAIN, &newterm);
}
void tickon(void)
{
struct itimerval val;
struct timeval now;
gettimeofday(&now, NULL);
val.it_interval.tv_sec = 0;
val.it_interval.tv_usec = 0;
if (auto_scroll) {
time_t now = mnow();
time_t tim = (now > auto_trig_time) ? 1 : auto_trig_time - now;
tim *= 1000;
val.it_value.tv_sec = 0;
val.it_value.tv_usec = tim;
} else {
val.it_value.tv_sec = 60 - (now.tv_sec % 60);
val.it_value.tv_usec = 1000000 - now.tv_usec;
}
ticked = 0;
joe_set_signal(SIGALRM, dotick);
setitimer(ITIMER_REAL,&val,NULL);
}
int ttflsh(void)
{
/* Flush output */
if (obufp) {
unsigned long usec = obufp * upc; /* No. usecs this write should take */
#ifdef HAVE_SETITIMER
if (usec >= 50000 && baud < 9600) {
struct itimerval a, b;
a.it_value.tv_sec = usec / 1000000;
a.it_value.tv_usec = usec % 1000000;
a.it_interval.tv_usec = 0;
a.it_interval.tv_sec = 0;
alarm(0);
joe_set_signal(SIGALRM, dosig);
yep = 0;
maskit();
setitimer(ITIMER_REAL, &a, &b);
joe_write(fileno(termout), obuf, obufp);
while (!yep)
pauseit();
unmaskit();
} else
joe_write(fileno(termout), obuf, obufp);
#else
joe_write(fileno(termout), obuf, obufp);
#ifdef FIORDCHK
if (baud < 9600 && usec / 1000)
nap(usec / 1000);
#endif
#endif
obufp = 0;
}
/* Ack previous packet */
if (ackkbd != -1 && acceptch != NO_MORE_DATA && !have) {
unsigned char c = 0;
if (pack.who && pack.who->func)
joe_write(pack.who->ackfd, &c, 1);
else
joe_write(ackkbd, &c, 1);
acceptch = NO_MORE_DATA;
}
/* Check for typeahead or next packet */
if (!have && !leave) {
if (ackkbd != -1) {
fcntl(mpxfd, F_SETFL, O_NDELAY);
if (read(mpxfd, &pack, sizeof(struct packet) - 1024) > 0) {
fcntl(mpxfd, F_SETFL, 0);
joe_read(mpxfd, pack.data, pack.size);
have = 1;
acceptch = pack.ch;
} else
fcntl(mpxfd, F_SETFL, 0);
} else {
/* Set terminal input to non-blocking */
fcntl(fileno(termin), F_SETFL, O_NDELAY);
/* Try to read */
if (read(fileno(termin), &havec, 1) == 1)
have = 1;
/* Set terminal back to blocking */
fcntl(fileno(termin), F_SETFL, 0);
}
}
return 0;
}
void ttopnn(void)
{
int x, bbaud;
#ifdef HAVE_POSIX_TERMIOS
struct termios newterm;
#else
#ifdef HAVE_SYSV_TERMIO
struct termio newterm;
#else
struct sgttyb arg;
struct tchars targ;
struct ltchars ltarg;
#endif
#endif
if (!termin) {
if (idleout ? (!(termin = stdin) || !(termout = stdout)) : (!(termin = fopen("/dev/tty", "r")) || !(termout = fopen("/dev/tty", "w")))) {
fprintf(stderr, (char *)joe_gettext(_("Couldn\'t open /dev/tty\n")));
exit(1);
} else {
#ifdef SIGWINCH
joe_set_signal(SIGWINCH, winchd);
#endif
}
}
if (ttymode)
return;
ttymode = 1;
fflush(termout);
#ifdef HAVE_POSIX_TERMIOS
tcgetattr(fileno(termin), &oldterm);
newterm = oldterm;
newterm.c_lflag = 0;
if (noxon)
newterm.c_iflag &= ~(ICRNL | IGNCR | INLCR | IXON | IXOFF);
else
newterm.c_iflag &= ~(ICRNL | IGNCR | INLCR);
newterm.c_oflag = 0;
newterm.c_cc[VMIN] = 1;
newterm.c_cc[VTIME] = 0;
tcsetattr(fileno(termin), TCSADRAIN, &newterm);
bbaud = cfgetospeed(&newterm);
#else
#ifdef HAVE_SYSV_TERMIO
joe_ioctl(fileno(termin), TCGETA, &oldterm);
newterm = oldterm;
newterm.c_lflag = 0;
if (noxon)
newterm.c_iflag &= ~(ICRNL | IGNCR | INLCR | IXON | IXOFF);
else
newterm.c_iflag &= ~(ICRNL | IGNCR | INLCR);
newterm.c_oflag = 0;
newterm.c_cc[VMIN] = 1;
newterm.c_cc[VTIME] = 0;
joe_ioctl(fileno(termin), TCSETAW, &newterm);
bbaud = (newterm.c_cflag & CBAUD);
#else
joe_ioctl(fileno(termin), TIOCGETP, &arg);
joe_ioctl(fileno(termin), TIOCGETC, &targ);
joe_ioctl(fileno(termin), TIOCGLTC, <arg);
oarg = arg;
otarg = targ;
oltarg = ltarg;
arg.sg_flags = ((arg.sg_flags & ~(ECHO | CRMOD | XTABS | ALLDELAY | TILDE)) | CBREAK);
if (noxon) {
targ.t_startc = -1;
targ.t_stopc = -1;
}
targ.t_intrc = -1;
targ.t_quitc = -1;
targ.t_eofc = -1;
targ.t_brkc = -1;
ltarg.t_suspc = -1;
ltarg.t_dsuspc = -1;
ltarg.t_rprntc = -1;
ltarg.t_flushc = -1;
ltarg.t_werasc = -1;
ltarg.t_lnextc = -1;
joe_ioctl(fileno(termin), TIOCSETN, &arg);
joe_ioctl(fileno(termin), TIOCSETC, &targ);
joe_ioctl(fileno(termin), TIOCSLTC, <arg);
bbaud = arg.sg_ospeed;
#endif
#endif
baud = 9600;
upc = 0;
for (x = 0; x != 30; x += 2)
if (bbaud == speeds[x]) {
baud = speeds[x + 1];
break;
}
if (Baud)
baud = Baud;
upc = DIVIDEND / baud;
if (obuf)
joe_free(obuf);
if (!(TIMES * upc))
obufsiz = 4096;
else {
obufsiz = 1000000 / (TIMES * upc);
if (obufsiz > 4096)
obufsiz = 4096;
}
if (!obufsiz)
obufsiz = 1;
obuf = (unsigned char *) joe_malloc(obufsiz);
}