1.\" Copyright (c) 2013 The FreeBSD Foundation 2.\" 3.\" This documentation was written by Pawel Jakub Dawidek under sponsorship from 4.\" the FreeBSD Foundation. 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.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 16.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 19.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25.\" SUCH DAMAGE. 26.\" 27.\" $FreeBSD$ 28.\" 29.Dd February 13, 2013 30.Dt BINDAT 2 31.Os 32.Sh NAME 33.Nm bindat 34.Nd assign a local protocol address to a socket 35.Sh LIBRARY 36.Lb libc 37.Sh SYNOPSIS 38.In sys/types.h 39.In sys/socket.h 40.Pp 41.In fcntl.h 42.Ft int 43.Fn bindat "int fd" "int s" "const struct sockaddr *addr" "socklen_t addrlen" 44.Sh DESCRIPTION 45The 46.Fn bindat 47system call assigns the local protocol address to a socket. 48When passed the special value 49.Dv AT_FDCWD 50in the 51.Fa fd 52parameter, the behavior is identical to a call to 53.Xr bind 2 . 54Otherwise, 55.Fn bindat 56works like the 57.Xr bind 2 58system call with two exceptions: 59.Pp 60.Bl -enum -offset indent -compact 61.It 62It is limited to sockets in the PF_LOCAL domain. 63.Pp 64.It 65If the file path stored in the 66.Fa sun_path 67field of the sockaddr_un structure is a relative path, it is located relative 68to the directory associated with the file descriptor 69.Fa fd . 70.El 71.Sh RETURN VALUES 72.Rv -std bindat 73.Sh ERRORS 74The 75.Fn bindat 76system call may fail with the same errors as the 77.Xr bind 2 78system call or with the following errors: 79.Bl -tag -width Er 80.It Bq Er EBADF 81The 82.Fa sun_path 83field does not specify an absolute path and the 84.Fa fd 85argument is neither 86.Dv AT_FDCWD 87nor a valid file descriptor. 88.It Bq Er ENOTDIR 89The 90.Fa sun_path 91field is not an absolute path and 92.Fa fd 93is neither 94.Dv AT_FDCWD 95nor a file descriptor associated with a directory. 96.El 97.Sh SEE ALSO 98.Xr bind 2 , 99.Xr connectat 2 , 100.Xr socket 2 , 101.Xr unix 4 102.Sh AUTHORS 103The 104.Nm 105was developed by 106.An Pawel Jakub Dawidek Aq Mt [email protected] 107under sponsorship from the FreeBSD Foundation. 108