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vhangup() - Unix, Linux System Call
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NAME
vhangup - virtually hangup the current tty
SYNOPSIS
#include <unistd.h>
int vhangup(void);
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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
| Tag | Description |
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EPERM |
The calling process has insufficient privilege to call
vhangup(); the
CAP_SYS_TTY_CONFIG capability is required.
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CONFORMING TO
This call is Linux-specific, and should not be used in programs
intended to be portable.
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