diff options
Diffstat (limited to 'freebsd/sys/kern/tty.c')
| -rw-r--r-- | freebsd/sys/kern/tty.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/freebsd/sys/kern/tty.c b/freebsd/sys/kern/tty.c index 5d9c8a57..ee46a44f 100644 --- a/freebsd/sys/kern/tty.c +++ b/freebsd/sys/kern/tty.c @@ -95,7 +95,7 @@ static const char *dev_console_filename; FLUSHO|NOKERNINFO|NOFLSH) #define TTYSUP_CFLAG (CIGNORE|CSIZE|CSTOPB|CREAD|PARENB|PARODD|\ HUPCL|CLOCAL|CCTS_OFLOW|CRTS_IFLOW|CDTR_IFLOW|\ - CDSR_OFLOW|CCAR_OFLOW) + CDSR_OFLOW|CCAR_OFLOW|CNO_RTSDTR) #define TTY_CALLOUT(tp,d) (dev2unit(d) & TTYUNIT_CALLOUT) @@ -336,7 +336,8 @@ ttydev_open(struct cdev *dev, int oflags, int devtype __unused, if (TTY_CALLOUT(tp, dev) || dev == dev_console) tp->t_termios.c_cflag |= CLOCAL; - ttydevsw_modem(tp, SER_DTR|SER_RTS, 0); + if ((tp->t_termios.c_cflag & CNO_RTSDTR) == 0) + ttydevsw_modem(tp, SER_DTR|SER_RTS, 0); error = ttydevsw_open(tp); if (error != 0) @@ -1147,6 +1148,9 @@ tty_rel_free(struct tty *tp) return; } + /* Stop asynchronous I/O. */ + funsetown(&tp->t_sigio); + /* TTY can be deallocated. */ dev = tp->t_dev; tp->t_dev = NULL; |