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Code Issues Releases Activity

Remove unused nmdmpoll function.

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Approved by:	julian
This commit is contained in:
Mark Peek 2001-08-11 00:18:15 +00:00
parent 614af3941d
commit 53ab587043
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=81508
1 changed files with 0 additions and 63 deletions
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63
sys/dev/nmdm/nmdm.c
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@ -483,69 +483,6 @@ nmdmstop(tp, flush)
wakeup_other(tp, flag);
}
#if 0
static int
nmdmpoll(dev_t dev, int events, struct proc *p)
{
register struct tty *tp = dev->si_tty;
register struct tty *tp2;
int revents = 0;
int s;
struct softpart *ourpart, *otherpart;
GETPARTS(tp, ourpart, otherpart);
tp2 = &otherpart->nm_tty;
if ((tp->t_state & TS_CONNECTED) == 0)
return (seltrue(dev, events, p) | POLLHUP);
/*
* Need to block timeouts (ttrstart).
*/
s = spltty();
/*
* First check if there is something to report immediatly.
*/
if ((events & (POLLIN | POLLRDNORM))) {
if (tp->t_iflag & ICANON) {
if (tp->t_canq.c_cc)
revents |= events & (POLLIN | POLLRDNORM);
} else {
if (tp->t_rawq.c_cc + tp->t_canq.c_cc)
revents |= events & (POLLIN | POLLRDNORM);
}
}
/*
* check if there is room in the other tty's input buffers.
*/
if ((events & (POLLOUT | POLLWRNORM))
&& ((tp2->t_rawq.c_cc + tp2->t_canq.c_cc < TTYHOG - 2)
|| (tp2->t_canq.c_cc == 0 && (tp2->t_iflag & ICANON)))) {
revents |= events & (POLLOUT | POLLWRNORM);
}
if (events & POLLHUP)
if ((tp->t_state & TS_CARR_ON) == 0)
revents |= POLLHUP;
/*
* If nothing immediate, set us to return when something IS found.
*/
if (revents == 0) {
if (events & (POLLIN | POLLRDNORM))
selrecord(p, &tp->t_rsel);
if (events & (POLLOUT | POLLWRNORM))
selrecord(p, &tp->t_wsel);
}
splx(s);
return (revents);
}
#endif /* 0 */
/*ARGSUSED*/
static int
nmdmioctl(dev, cmd, data, flag, p)