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May 25th. 2007:
April, 26th. 2006:
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VHANGUP
Section: Linux Programmer's Manual (2) Updated: 2016-03-15 Index
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NAME
vhangup - virtually hangup the current terminal
SYNOPSIS
#include <unistd.h>
int vhangup(void);
Feature Test Macro Requirements for glibc (see
feature_test_macros(7)):
vhangup():
Since glibc 2.21:
_DEFAULT_SOURCE
In glibc 2.19 and 2.20:
_DEFAULT_SOURCE || (_XOPEN_SOURCE && _XOPEN_SOURCE < 500)
Up to and including glibc 2.19:
_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'' terminal 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
init(1),
capabilities(7)
COLOPHON
This page is part of release 4.13 of the Linux
man-pages
project.
A description of the project,
information about reporting bugs,
and the latest version of this page,
can be found at
https://www.kernel.org/doc/man-pages/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
- CONFORMING TO
-
- SEE ALSO
-
- COLOPHON
-
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