* @c: character input
* @tty: terminal device
*
- * Perform erase and neccessary output when an erase character is
+ * Perform erase and necessary output when an erase character is
* present in the stream from the driver layer. Handles the complexities
* of UTF-8 multibyte symbols.
*/
* @c: character
*
* Process a parity error and queue the right data to indicate
- * the error case if neccessary. Locking as per n_tty_receive_buf.
+ * the error case if necessary. Locking as per n_tty_receive_buf.
*/
static inline void n_tty_receive_parity_error(struct tty_struct *tty,
unsigned char c)
return;
}
- if (tty->stopped && !tty->flow_stopped &&
- I_IXON(tty) && I_IXANY(tty)) {
- start_tty(tty);
- return;
- }
-
if (I_ISTRIP(tty))
c &= 0x7f;
if (I_IUCLC(tty) && L_IEXTEN(tty))
c=tolower(c);
+ if (tty->stopped && !tty->flow_stopped && I_IXON(tty) &&
+ ((I_IXANY(tty) && c != START_CHAR(tty) && c != STOP_CHAR(tty)) ||
+ c == INTR_CHAR(tty) || c == QUIT_CHAR(tty)))
+ start_tty(tty);
+
if (tty->closing) {
if (I_IXON(tty)) {
if (c == START_CHAR(tty))
signal = SIGTSTP;
if (c == SUSP_CHAR(tty)) {
send_signal:
- isig(signal, tty, 0);
+ /*
+ * Echo character, and then send the signal.
+ * Note that we do not use isig() here because we want
+ * the order to be:
+ * 1) flush, 2) echo, 3) signal
+ */
+ if (!L_NOFLSH(tty)) {
+ n_tty_flush_buffer(tty);
+ if (tty->driver->flush_buffer)
+ tty->driver->flush_buffer(tty);
+ }
+ if (L_ECHO(tty))
+ echo_char(c, tty);
+ if (tty->pgrp)
+ kill_pgrp(tty->pgrp, signal, 1);
return;
}
}