diff options
Diffstat (limited to 'shell/Config.in')
| -rw-r--r-- | shell/Config.in | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/shell/Config.in b/shell/Config.in index 3b1650615..36a931715 100644 --- a/shell/Config.in +++ b/shell/Config.in @@ -354,9 +354,20 @@ config CTTYHACK It analyzes stdin with various ioctls, trying to determine whether it is a /dev/ttyN or /dev/ttySN (virtual terminal or serial line). If it detects one, it closes stdin/out/err and reopens that device. - Then it executes given program. Usage example for /etc/inittab - (for busybox init): + Then it executes given program. Opening the device will make + that device a controlling tty. This may require cttyhack + to be a session leader. + + Example for /etc/inittab (for busybox init): ::respawn:/bin/cttyhack /bin/sh + Giving controlling tty to shell running with PID 1: + + $ exec cttyhack sh + + Starting an interative shell from boot shell script: + + setsid cttyhack sh + endmenu |