freebsd man page for vhangup

Query: vhangup

OS: freebsd

Section: 8

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

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)
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