void
tty_init(void)
{ /* ATT terminal init */
#if defined(F_GETFL) && defined(O_NDELAY)
int flags;
flags = fcntl(fileno(stdin), F_GETFL, 0);
nodelay_read = flags & O_NDELAY;
#else
nodelay_read = FALSE;
#endif
not_a_tty = FALSE;
if (GET_TTY(fileno(stdin), &old_modes) == -1) {
if (errno == ENOTTY) {
tty_frame_size = 20;
not_a_tty = TRUE;
return;
}
printf("tcgetattr error: %d\n", errno);
exit(1);
}
/* if TAB3 is set then setterm() wipes out tabs (ht) */
new_modes = old_modes;
#ifdef TERMIOS
#ifdef TABDLY
new_modes.c_oflag &= ~TABDLY;
#endif /* TABDLY */
#endif
if (PUT_TTY(fileno(stdin), &new_modes) == -1) {
printf("tcsetattr error: %d\n", errno);
exit(1);
}
#ifdef sequent
/* the sequent ATT emulation is broken soooo. */
old_modes.c_cflag &= ~(CSIZE | CSTOPB);
old_modes.c_cflag |= CS7 | PARENB;
#endif
catchsig();
#ifdef TERMIOS
switch (old_modes.c_cflag & CSIZE) {
#if defined(CS5) && (CS5 != 0)
case CS5:
tty_frame_size = 10;
break;
#endif
#if defined(CS6) && (CS6 != 0)
case CS6:
tty_frame_size = 12;
break;
#endif
#if defined(CS7) && (CS7 != 0)
case CS7:
tty_frame_size = 14;
break;
#endif
#if defined(CS8) && (CS8 != 0)
case CS8:
tty_frame_size = 16;
break;
#endif
}
tty_frame_size += 2 +
((old_modes.c_cflag & PARENB) ? 2 : 0) +
((old_modes.c_cflag & CSTOPB) ? 4 : 2);
#else
tty_frame_size = 6 +
(old_modes.sg_flags & PASS8) ? 16 : 14;
#endif
}
static void on_external_ui_closed(void* controller) {
catchsig(0);
}
static void InitSig( void ) {
catchsig( SIGHUP, signal_handler );
catchsig( SIGQUIT, signal_handler );
catchsig( SIGILL, signal_handler );
catchsig( SIGTRAP, signal_handler );
catchsig( SIGIOT, signal_handler );
catchsig( SIGBUS, signal_handler );
catchsig( SIGFPE, signal_handler );
catchsig( SIGSEGV, signal_handler );
catchsig( SIGTERM, signal_handler );
catchsig( SIGINT, signal_handler );
catchsig( SIGPIPE, SIG_IGN );
catchsig( SIGUSR1, sigusr_handler );
}