VHANGUP
Section: Linux Programmer's Manual (2)
Updated: 2007-07-26
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 3.27 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/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
- CONFORMING TO
-
- SEE ALSO
-
- COLOPHON
-
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Time: 07:34:56 GMT, March 26, 2013