vhangup man page

Section 2 - Suse Linux 10.1 Man Pages

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VHANGUP(2)                 Linux Programmer's Manual                VHANGUP(2)

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   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)



Linux 2.6.6                       2004-05-27                        VHANGUP(2)

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