sysdeps/mach/hurd/setsockopt.c

   1 /* Copyright (C) 1992-2017 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    <http://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.  */
  27 int
  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 }
  41
  42 weak_alias (__setsockopt, setsockopt)