| login_tty.3 (112541) | login_tty.3 (131504) |
|---|---|
| 1.\" 2.\" Copyright (c) 1996 Joerg Wunsch 3.\" 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: --- 9 unchanged lines hidden (view full) --- 18.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.\" | 1.\" 2.\" Copyright (c) 1996 Joerg Wunsch 3.\" 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: --- 9 unchanged lines hidden (view full) --- 18.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.\" |
| 26.\" $FreeBSD: head/lib/libutil/login_tty.3 112541 2003-03-24 16:02:05Z charnier $ | 26.\" $FreeBSD: head/lib/libutil/login_tty.3 131504 2004-07-02 23:52:20Z ru $ |
| 27.\" " 28.Dd December 29, 1996 29.Os 30.Dt LOGIN_TTY 3 31.Sh NAME 32.Nm login_tty 33.Nd prepare a tty for a new login session 34.Sh LIBRARY 35.Lb libutil 36.Sh SYNOPSIS 37.In libutil.h 38.Ft int 39.Fn login_tty "int fd" 40.Sh DESCRIPTION 41The function 42.Fn login_tty | 27.\" " 28.Dd December 29, 1996 29.Os 30.Dt LOGIN_TTY 3 31.Sh NAME 32.Nm login_tty 33.Nd prepare a tty for a new login session 34.Sh LIBRARY 35.Lb libutil 36.Sh SYNOPSIS 37.In libutil.h 38.Ft int 39.Fn login_tty "int fd" 40.Sh DESCRIPTION 41The function 42.Fn login_tty |
| 43prepares a terminal for a new login session. The file descriptor | 43prepares a terminal for a new login session. 44The file descriptor |
| 44.Ar fd 45passed to 46.Fn login_tty | 45.Ar fd 46passed to 47.Fn login_tty |
| 47must be opened for reading and writing on a terminal device. It will be | 48must be opened for reading and writing on a terminal device. 49It will be |
| 48made the controlling terminal for the calling process, after allocating 49a new session with 50.Xr setsid 2 . 51This terminal device will also be made the standard input, standard output, 52and standard error output of the calling process. 53.Sh RETURN VALUES 54The 55.Fn login_tty 56function returns -1 if it could not make the device referenced by 57.Ar fd 58the controlling terminal of the calling process, and 0 otherwise. 59.Sh SEE ALSO 60.Xr dup2 2 , 61.Xr ioctl 2 , 62.Xr setsid 2 , 63.Xr tty 4 | 50made the controlling terminal for the calling process, after allocating 51a new session with 52.Xr setsid 2 . 53This terminal device will also be made the standard input, standard output, 54and standard error output of the calling process. 55.Sh RETURN VALUES 56The 57.Fn login_tty 58function returns -1 if it could not make the device referenced by 59.Ar fd 60the controlling terminal of the calling process, and 0 otherwise. 61.Sh SEE ALSO 62.Xr dup2 2 , 63.Xr ioctl 2 , 64.Xr setsid 2 , 65.Xr tty 4 |