Differential D24459 Diff 147476 sys/kern/subr_terminal.c

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sys/kern/subr_terminal.c

Show First 20 Lines • Show All 311 Lines • ▼ Show 20 Lines	terminal_input_char(struct terminal *tm, term_char_t c)
* Strip off any attributes. Also ignore input of second part of		* Strip off any attributes. Also ignore input of second part of
* CJK fullwidth characters, as we don't want to return these		* CJK fullwidth characters, as we don't want to return these
* characters twice.		* characters twice.
*/		*/
if (TCHAR_FORMAT(c) & TF_CJK_RIGHT)		if (TCHAR_FORMAT(c) & TF_CJK_RIGHT)
return;		return;
c = TCHAR_CHARACTER(c);		c = TCHAR_CHARACTER(c);

tty_lock(tp);		ttydisc_lock(tp);
/*		/*
* Conversion to UTF-8.		* Conversion to UTF-8.
*/		*/
if (c < 0x80) {		if (c < 0x80) {
ttydisc_rint(tp, c, 0);		ttydisc_rint(tp, c, 0);
} else if (c < 0x800) {		} else if (c < 0x800) {
char str[2] = {		char str[2] = {
0xc0 \| (c >> 6),		0xc0 \| (c >> 6),
Show All 15 Lines	char str[4] = {
0x80 \| ((c >> 12) & 0x3f),		0x80 \| ((c >> 12) & 0x3f),
0x80 \| ((c >> 6) & 0x3f),		0x80 \| ((c >> 6) & 0x3f),
0x80 \| (c & 0x3f)		0x80 \| (c & 0x3f)
};		};

ttydisc_rint_simple(tp, str, sizeof str);		ttydisc_rint_simple(tp, str, sizeof str);
}		}
ttydisc_rint_done(tp);		ttydisc_rint_done(tp);
tty_unlock(tp);		ttydisc_unlock(tp);
}		}

void		void
terminal_input_raw(struct terminal *tm, char c)		terminal_input_raw(struct terminal *tm, char c)
{		{
struct tty *tp;		struct tty *tp;

tp = tm->tm_tty;		tp = tm->tm_tty;
if (tp == NULL)		if (tp == NULL)
return;		return;

tty_lock(tp);		ttydisc_lock(tp);
ttydisc_rint(tp, c, 0);		ttydisc_rint(tp, c, 0);
ttydisc_rint_done(tp);		ttydisc_rint_done(tp);
tty_unlock(tp);		ttydisc_unlock(tp);
}		}

void		void
terminal_input_special(struct terminal *tm, unsigned int k)		terminal_input_special(struct terminal *tm, unsigned int k)
{		{
struct tty *tp;		struct tty *tp;
const char *str;		const char *str;

tp = tm->tm_tty;		tp = tm->tm_tty;
if (tp == NULL)		if (tp == NULL)
return;		return;

str = teken_get_sequence(&tm->tm_emulator, k);		str = teken_get_sequence(&tm->tm_emulator, k);
if (str == NULL)		if (str == NULL)
return;		return;

tty_lock(tp);		ttydisc_lock(tp);
ttydisc_rint_simple(tp, str, strlen(str));		ttydisc_rint_simple(tp, str, strlen(str));
ttydisc_rint_done(tp);		ttydisc_rint_done(tp);
tty_unlock(tp);		ttydisc_unlock(tp);
}		}

/*		/*
* Binding with the TTY layer.		* Binding with the TTY layer.
*/		*/

static int		static int
termtty_open(struct tty *tp)		termtty_open(struct tty *tp)
Show All 15 Lines
static void		static void
termtty_outwakeup(struct tty *tp)		termtty_outwakeup(struct tty *tp)
{		{
struct terminal *tm = tty_softc(tp);		struct terminal *tm = tty_softc(tp);
char obuf[128];		char obuf[128];
size_t olen;		size_t olen;
unsigned int flags = 0;		unsigned int flags = 0;

		ttydisc_assert_locked(tp);
while ((olen = ttydisc_getc(tp, obuf, sizeof obuf)) > 0) {		while ((olen = ttydisc_getc(tp, obuf, sizeof obuf)) > 0) {
TERMINAL_LOCK_TTY(tm);		TERMINAL_LOCK_TTY(tm);
if (!(tm->tm_flags & TF_MUTE)) {		if (!(tm->tm_flags & TF_MUTE)) {
tm->tm_flags &= ~TF_BELL;		tm->tm_flags &= ~TF_BELL;
teken_input(&tm->tm_emulator, obuf, olen);		teken_input(&tm->tm_emulator, obuf, olen);
flags \|= tm->tm_flags;		flags \|= tm->tm_flags;
}		}
TERMINAL_UNLOCK_TTY(tm);		TERMINAL_UNLOCK_TTY(tm);
▲ Show 20 Lines • Show All 41 Lines • ▼ Show 20 Lines	termtty_ioctl(struct tty tp, u_long cmd, caddr_t data, struct thread td)
}		}
}		}

/*		/*
* Unlike various other drivers, this driver will never		* Unlike various other drivers, this driver will never
* deallocate TTYs. This means it's safe to temporarily unlock		* deallocate TTYs. This means it's safe to temporarily unlock
* the TTY when handling ioctls.		* the TTY when handling ioctls.
*/		*/
		ttydisc_unlock(tp);
tty_unlock(tp);		tty_unlock(tp);
error = tm->tm_class->tc_ioctl(tm, cmd, data, td);		error = tm->tm_class->tc_ioctl(tm, cmd, data, td);
tty_lock(tp);		tty_lock(tp);
		ttydisc_lock(tp);
if ((error == 0) && (cmd == CONS_CLRHIST)) {		if ((error == 0) && (cmd == CONS_CLRHIST)) {
/*		/*
* Scrollback history has been successfully cleared,		* Scrollback history has been successfully cleared,
* so reset the cursor position to the top left of the screen.		* so reset the cursor position to the top left of the screen.
*/		*/
teken_pos_t p;		teken_pos_t p;
p.tp_row = 0;		p.tp_row = 0;
p.tp_col = 0;		p.tp_col = 0;
▲ Show 20 Lines • Show All 224 Lines • Show Last 20 Lines