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A patch from Matt Kraai that adds a new 'shutdown' action to busybox init. Now

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you can specify an arbitrary behavior for 'ctrlaltdel' without that behavior
needing to be a reboot.
This commit is contained in:
Eric Andersen
2001-04-03 18:01:51 +00:00
parent 0f0c0b41ce
commit c97ec34370
9 changed files with 103 additions and 46 deletions
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25
docs/busybox.pod
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@@ -906,10 +906,15 @@ it has the following default behavior:
::sysinit:/etc/init.d/rcS
::askfirst:/bin/sh
::ctrlaltdel:/sbin/reboot
::shutdown:/sbin/swapoff -a
::shutdown:/bin/umount -a -r
if it detects that /dev/console is _not_ a serial console, it will also run:
tty2::askfirst:/bin/sh
tty3::askfirst:/bin/sh
tty4::askfirst:/bin/sh
If you choose to use an /etc/inittab file, the inittab entry format is as follows:
@@ -935,7 +940,7 @@ If you choose to use an /etc/inittab file, the inittab entry format is as follow
<action>:
Valid actions include: sysinit, respawn, askfirst, wait,
once, and ctrlaltdel.
once, ctrlaltdel, and shutdown.
The available actions can be classified into two groups: actions
that are run only once, and actions that are re-run when the specified
@@ -949,9 +954,12 @@ If you choose to use an /etc/inittab file, the inittab entry format is as follow
'wait' actions, like 'sysinit' actions, cause init to wait until
the specified task completes. 'once' actions are asyncronous,
therefore, init does not wait for them to complete. 'ctrlaltdel'
actions are run immediately before init causes the system to reboot
(unmounting filesystems with a 'ctrlaltdel' action is a very good
idea).
actions are run when the system detects that someone on the system
console has pressed the CTRL-ALT-DEL key combination. Typically one
wants to run 'reboot' at this point to cause the system to reboot.
Finally the 'shutdown' action specifies the actions to taken when
init is told to reboot. Unmounting filesystems and disabling swap
is a very good here.
Run repeatedly actions:
@@ -984,10 +992,9 @@ Example /etc/inittab file:
tty4::respawn:/sbin/getty 38400 tty5
tty5::respawn:/sbin/getty 38400 tty6
::ctrlaltdel:/bin/umount -a -r
::ctrlaltdel:/sbin/swapoff -a
::ctrlaltdel:/sbin/reboot
::shutdown:/bin/umount -a -r
::shutdown:/sbin/swapoff -a
-------------------------------
@@ -2476,4 +2483,4 @@ Enrique Zanardi <ezanardi@ull.es>
=cut
# $Id: busybox.pod,v 1.92 2001/03/15 21:20:25 markw Exp $
# $Id: busybox.pod,v 1.93 2001/04/03 18:01:51 andersen Exp $