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>

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