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vhangup(8) [opendarwin man page]

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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VHANGUP(2)						     Linux Programmer's Manual							VHANGUP(2)

NAME
vhangup - virtually hangup the current tty SYNOPSIS
#include <unistd.h> int vhangup(void); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): vhangup(): _BSD_SOURCE || (_XOPEN_SOURCE && _XOPEN_SOURCE < 500) DESCRIPTION
vhangup() simulates a hangup on the current terminal. This call arranges for other users to have a "clean" tty at login time. RETURN VALUE
On success, zero is returned. On error, -1 is returned, and errno is set appropriately. ERRORS
EPERM The calling process has insufficient privilege to call vhangup(); the CAP_SYS_TTY_CONFIG capability is required. CONFORMING TO
This call is Linux-specific, and should not be used in programs intended to be portable. SEE ALSO
capabilities(7), init(8) COLOPHON
This page is part of release 3.25 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. Linux 2007-07-26 VHANGUP(2)
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