void
tty_init_nhwindows()
{
int wid, hgt;
/*
* Remember tty modes, to be restored on exit.
*
* gettty() must be called before tty_startup()
* due to ordering of LI/CO settings
* tty_startup() must be called before initoptions()
* due to ordering of graphics settings
*/
#if defined(UNIX) || defined(VMS)
setbuf(stdout,obuf);
#endif
gettty();
/* to port dependant tty setup */
tty_startup(&wid, &hgt);
setftty(); /* calls start_screen */
/* set up tty descriptor */
ttyDisplay = (struct DisplayDesc*) alloc(sizeof(struct DisplayDesc));
ttyDisplay->toplin = 0;
ttyDisplay->rows = hgt;
ttyDisplay->cols = wid;
ttyDisplay->curx = ttyDisplay->cury = 0;
ttyDisplay->inmore = ttyDisplay->inread = ttyDisplay->intr = 0;
#ifdef TEXTCOLOR
ttyDisplay->color = NO_COLOR;
#endif
ttyDisplay->attrs = 0;
/* set up the default windows */
BASE_WINDOW = tty_create_nhwindow(NHW_BASE);
wins[BASE_WINDOW]->active = 1;
ttyDisplay->lastwin = WIN_ERR;
#if defined(SIGWINCH) && defined(CLIPPING)
(void) signal(SIGWINCH, winch);
#endif
tty_clear_nhwindow(BASE_WINDOW);
tty_putstr(BASE_WINDOW, 0, "");
tty_putstr(BASE_WINDOW, 0,
"NetHack, Copyright 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993");
tty_putstr(BASE_WINDOW, 0,
" By Stichting Mathematisch Centrum and M. Stephenson.");
tty_putstr(BASE_WINDOW, 0, " See license for details.");
tty_putstr(BASE_WINDOW, 0, "");
tty_display_nhwindow(BASE_WINDOW, FALSE);
}
/*===========================================================================*
* tty_task *
*===========================================================================*/
int main(int argc, char **argv)
{
/* Main routine of the terminal task. */
message tty_mess; /* buffer for all incoming messages */
int ipc_status;
int line;
int r;
register tty_t *tp;
env_setargs(argc, argv);
tty_startup();
while (TRUE) {
/* Check for and handle any events on any of the ttys. */
for (tp = FIRST_TTY; tp < END_TTY; tp++) {
if (tp->tty_events) handle_events(tp);
}
/* Get a request message. */
r= driver_receive(ANY, &tty_mess, &ipc_status);
if (r != 0)
panic("driver_receive failed with: %d", r);
if (is_ipc_notify(ipc_status)) {
switch (_ENDPOINT_P(tty_mess.m_source)) {
case CLOCK:
/* run watchdogs of expired timers */
expire_timers(tty_mess.m_notify.timestamp);
break;
default:
/* do nothing */
break;
}
/* done, get new message */
continue;
}
if (!IS_CDEV_RQ(tty_mess.m_type)) {
chardriver_process(&tty_tab, &tty_mess, ipc_status);
continue;
}
/* Only device requests should get to this point.
* All requests have a minor device number.
*/
if (OK != chardriver_get_minor(&tty_mess, &line))
continue;
if (is_pty(line)) {
/* Terminals and pseudo terminals belong together. We can only
* make a distinction between the two based on minor number and
* not on position in the tty_table. Hence this special case.
*/
do_pty(&tty_mess, ipc_status);
continue;
}
/* Execute the requested device driver function. */
chardriver_process(&tty_tab, &tty_mess, ipc_status);
}
return 0;
}
