diff options
Diffstat (limited to 'bin/stty/stty.1')
| -rw-r--r-- | bin/stty/stty.1 | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/bin/stty/stty.1 b/bin/stty/stty.1 index 67a32c089150..4f0126dde275 100644 --- a/bin/stty/stty.1 +++ b/bin/stty/stty.1 @@ -29,10 +29,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.\" @(#)stty.1 8.4 (Berkeley) 4/18/94 -.\" $FreeBSD$ -.\" -.Dd May 24, 2022 +.Dd September 27, 2022 .Dt STTY 1 .Os .Sh NAME @@ -225,6 +222,9 @@ if .Cm imaxbel is unset and the input queue is full, the next input character causes the entire input and output queues to be discarded. +.It Cm iutf8 Pq Fl iutf8 +Assume that input characters are UTF-8 encoded. Setting this flag +causes backspace to properly delete multibyte characters in canonical mode. .El .Ss Output Modes: This corresponds to the c_oflag of the termios structure. @@ -594,6 +594,32 @@ Same as the control character Same as the control character .Cm reprint . .El +.Sh INTERACTION WITH JOB CONTROL +Modifications to the terminal settings are treated by job control +(see +.Xr termios 4 ) +same as writes. +When the +.Nm +utility is executing in a background process group, +such attempts result in the kernel sending the +.Dv SIGTTOU +signal and stopping the process until its group is returned +to foreground. +The non-blocking open of the terminal device with the +.Fl f +option to +.Nm +does not affect the behavior. +If it is desirable to modify the settings from the background, +.Xr sh 1 +users might utilize the following idiom: +.Bd -literal +(trap '' TTOU; stty -f /dev/tty sane) +.Ed +.Pp +Note that changing terminal settings for a running foreground +job that is not prepared for it might cause inconsistencies. .Sh EXIT STATUS .Ex -std .Sh SEE ALSO |