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glibc  2.9
setsockopt.c
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00001 /* Copyright (C) 1992,94,97,98,2002 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #include <errno.h>
00020 #include <sys/socket.h>
00021 #include <hurd.h>
00022 #include <hurd/socket.h>
00023 #include <hurd/fd.h>
00024 
00025 /* Set socket FD's option OPTNAME at protocol level LEVEL
00026    to *OPTVAL (which is OPTLEN bytes long).
00027    Returns 0 on success, -1 for errors.  */
00028 int
00029 __setsockopt (int fd,
00030              int level,
00031              int optname,
00032              const void *optval,
00033              socklen_t optlen)
00034 {
00035   error_t err = HURD_DPORT_USE (fd, __socket_setopt (port,
00036                                                level, optname,
00037                                                optval, optlen));
00038   if (err)
00039     return __hurd_dfail (fd, err);
00040   return 0;
00041 }
00042 
00043 weak_alias (__setsockopt, setsockopt)