Manual Reference Pages  - VHANGUP (2)

NAME

vhangup - virtually hangup the current tty

CONTENTS

Synopsis
Description
Errors
Colophon

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 3.44 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 VHANGUP (2) 2007-07-26
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