VHANGUP(8) The SuSE boot concept VHANGUP(8)NAME
Vhangup - Cause a virtually hangup on the specified terminals
SYNOPSIS
vhangup [/dev/<terminal> [/dev/<terminal>]]
DESCRIPTION
vhangup simulates a hangup on the specified terminals. Not existing device files or devices will be ignored.
EXAMPLES
vhangup /dev/tty1 /dev/tty2 /dev/tty3 /dev/tty4 /dev/tty5 /dev/tty6 /dev/ttyS1
This will replace all open file descriptors in the kernel that points to the listed ttys by a dummy that will deny further reading/writing
to the device. It also send the signals SIGHUP/SIGCONT to the processes which have file descriptors open on the listed ttys.
RETURN VALUE
On success, zero is returned. On error, 1 is returned.
SEE ALSO vhangup(2), tty(4), ttyS(4), pts(4).
COPYRIGHT
2008 Werner Fink, 2008 SUSE LINUX Products GmbH, Germany.
AUTHOR
Werner Fink <werner@suse.de>
3rd Berkeley Distribution Jan 31, 2008 VHANGUP(8)
Check Out this Related Man Page
MKILL(8) The SuSE boot concept MKILL(8)MKILL
Mkill - Send processes making a active mount point busy a signal
SYNOPSIS
mkill [-SIG] [-u] /mnt1 [/mnt2...]
mkill [-l]
DESCRIPTION
mkill determines all active mount points from /proc/mounts and compares this with the specified mount points. Then mkill seeks for pro-
cesses making this mount points busy. For this search only the links found in /proc/<pid>/ are used to avoid hangs on files provided by
network file systems like nfs(5). The default signal is SIGTERM for termination. If a mount point is not active, that is that it is not
found in /proc/mounts, mkill will do exactly nothing.
OPTIONS
-<SIG> Signals can be specified either by name (e.g. -HUP, -SIGHUP) or by number (e.g. -1).
-0 The special signal 0 force mkill to list all processes making the specified mount point busy.
-u Perform a lazy umount on the specified mount points before sending the signal SIGTERM or SIGKILL.
-l List all known signals.
EXAMPLES
mkill -TERM /var
This will terminate all processes accessing a seperate /var partition.
mkill -HUP /dev/pts
All processes using a pseudo-terminal slave will hangup.
RETURN VALUE
Always success which is that zero is returned.
SEE ALSO fuser(1), proc(5), umount(8).
COPYRIGHT
2008 Werner Fink, 2008 SUSE LINUX Products GmbH, Germany.
AUTHOR
Werner Fink <werner@suse.de>
3rd Berkeley Distribution Jan 31, 2008 MKILL(8)
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