1.\" Copyright (c) 2013 The FreeBSD Foundation 2.\" All rights reserved. 3.\" 4.\" This documentation was written by Pawel Jakub Dawidek under sponsorship from 5.\" the FreeBSD Foundation. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" $FreeBSD$ 29.\" 30.Dd February 13, 2013 31.Dt BINDAT 2 32.Os 33.Sh NAME 34.Nm bindat 35.Nd assign a local protocol address to a socket 36.Sh LIBRARY 37.Lb libc 38.Sh SYNOPSIS 39.In sys/types.h 40.In sys/socket.h 41.Pp 42.In fcntl.h 43.Ft int 44.Fn bindat "int fd" "int s" "const struct sockaddr *addr" "socklen_t addrlen" 45.Sh DESCRIPTION 46The 47.Fn bindat 48system call assigns the local protocol address to a socket. 49It works just like the 50.Xr bind 2 51system call with two exceptions: 52.Pp 53.Bl -enum -offset indent -compact 54.It 55It is limited to sockets in the PF_LOCAL domain. 56.Pp 57.It 58If the file path stored in the 59.Fa sun_path 60field of the sockaddr_un structure is a relative path, it is located relative 61to the directory associated with the file descriptor 62.Fa fd . 63If 64.Fn bindat 65is passed the special value 66.Dv AT_FDCWD 67in the 68.Fa fd 69parameter, the current working directory is used and the behavior is identical 70to a call to 71.Xr bind 2 . 72.El 73.Sh RETURN VALUES 74.Rv -std bindat 75.Sh ERRORS 76The 77.Fn bindat 78system call may fail with the same errors as the 79.Xr bind 2 80system call for a UNIX domain socket or with the following errors: 81.Bl -tag -width Er 82.It Bq Er EBADF 83The 84.Fa sun_path 85field does not specify an absolute path and the 86.Fa fd 87argument is neither 88.Dv AT_FDCWD 89nor a valid file descriptor. 90.It Bq Er ENOTDIR 91The 92.Fa sun_path 93field is not an absolute path and 94.Fa fd 95is neither 96.Dv AT_FDCWD 97nor a file descriptor associated with a directory. 98.El 99.Sh SEE ALSO 100.Xr bind 2 , 101.Xr connectat 2 , 102.Xr socket 2 , 103.Xr unix 4 104.Sh AUTHORS 105The 106.Nm 107was developed by 108.An Pawel Jakub Dawidek Aq Mt [email protected] 109under sponsorship from the FreeBSD Foundation. 110