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Show First 20 Lines • Show All 275 Lines • ▼ Show 20 Lines	case FIONREAD:
if (psc->pts_flags & PTS_FINISHED) {		if (psc->pts_flags & PTS_FINISHED) {
/* Force read() to be called. */		/* Force read() to be called. */
(int )data = 1;		(int )data = 1;
} else {		} else {
(int )data = ttydisc_getc_poll(tp);		(int )data = ttydisc_getc_poll(tp);
}		}
tty_unlock(tp);		tty_unlock(tp);
return (0);		return (0);
case FIODGNAME: {		case FIODGNAME:
		#ifdef COMPAT_FREEBSD32
		case FIODGNAME_32:
		#endif
		{
struct fiodgname_arg *fgn;		struct fiodgname_arg *fgn;
const char *p;		const char *p;
int i;		int i;

/* Reverse device name lookups, for ptsname() and ttyname(). */		/* Reverse device name lookups, for ptsname() and ttyname(). */
fgn = data;		fgn = data;
p = tty_devname(tp);		p = tty_devname(tp);
i = strlen(p) + 1;		i = strlen(p) + 1;
if (i > fgn->len)		if (i > fgn->len)
return (EINVAL);		return (EINVAL);
return copyout(p, fgn->buf, i);		return (copyout(p, fiodgname_buf_get_ptr(fgn, cmd), i));
}		}

/*		/*
* We need to implement TIOCGPGRP and TIOCGSID here again. When		* We need to implement TIOCGPGRP and TIOCGSID here again. When
* called on the pseudo-terminal master, it should not check if		* called on the pseudo-terminal master, it should not check if
* the terminal is the foreground terminal of the calling		* the terminal is the foreground terminal of the calling
* process.		* process.
*		*
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