VHANGUP

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
CONFORMING TO
SEE ALSO

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)






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