1/* Copyright (C) 1992-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <errno.h>
19#include <sys/socket.h>
20#include <hurd.h>
21#include <hurd/socket.h>
22#include <hurd/fd.h>
23
24/* Set socket FD's option OPTNAME at protocol level LEVEL
25 to *OPTVAL (which is OPTLEN bytes long).
26 Returns 0 on success, -1 for errors. */
27int
28__setsockopt (int fd,
29 int level,
30 int optname,
31 const void *optval,
32 socklen_t optlen)
33{
34 error_t err = HURD_DPORT_USE (fd, __socket_setopt (port,
35 level, optname,
36 optval, optlen));
37 if (err)
38 return __hurd_dfail (fd, err);
39 return 0;
40}
41libc_hidden_def (__setsockopt)
42weak_alias (__setsockopt, setsockopt)
43

source code of glibc/sysdeps/mach/hurd/setsockopt.c