VHANGUP(2) Linux Programmer's Manual VHANGUP(2)NAME
vhangup - virtually hangup the current tty
SYNOPSIS
#include <unistd.h>
int vhangup(void);
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 user is not the super-user.
CONFORMING TO
This call is Linux-specific, and should not be used in programs intended to be portable.
SEE ALSO init(8)Linux 0.99.11 1993-07-24 VHANGUP(2)
Check Out this Related Man Page
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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