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
}
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 ttgetc(void)
{
int stat;
long new_time;
int flg;
tickon();
loop:
flg = 0;
/* Status line clock */
new_time = time(NULL);
if (new_time != last_time) {
last_time = new_time;
dostaupd = 1;
ticked = 1;
}
/* Autoscroller */
if (auto_scroll && mnow() >= auto_trig_time) {
do_auto_scroll();
ticked = 1;
flg = 1;
}
ttflsh();
while (winched) {
winched = 0;
edupd(1);
ttflsh();
}
if (ticked) {
edupd(flg);
ttflsh();
tickon();
}
if (ackkbd != -1) {
if (!have) { /* Wait for input */
stat = read(mpxfd, &pack, sizeof(struct packet) - 1024);
if (pack.size && stat > 0) {
joe_read(mpxfd, pack.data, pack.size);
} else if (stat < 1) {
if (winched || ticked)
goto loop;
else
ttsig(0);
}
acceptch = pack.ch;
}
have = 0;
if (pack.who) { /* Got bknd input */
if (acceptch != NO_MORE_DATA) {
if (pack.who->func) {
pack.who->func(pack.who->object, pack.data, pack.size);
edupd(1);
}
} else
mpxdied(pack.who);
goto loop;
} else {
if (acceptch != NO_MORE_DATA) {
tickoff();
return acceptch;
}
else {
tickoff();
ttsig(0);
return 0;
}
}
}
if (have) {
have = 0;
} else {
if (read(fileno(termin), &havec, 1) < 1) {
if (winched || ticked)
goto loop;
else
ttsig(0);
}
}
tickoff();
return havec;
}
