Mercurial > hg > octave-lojdl > gnulib-hg

annotate lib/setsockopt.c @ 17426:90f3d53e01f5

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sig2str: port to C++ * lib/sig2str.h (sig2str, str2sig): Declare as extern "C". Reported by Daniel J Sebald in <http://lists.gnu.org/archive/html/bug-gnulib/2013-06/msg00000.html>.
author Paul Eggert <eggert@cs.ucla.edu>
date Sun, 02 Jun 2013 11:52:41 -0700
parents e542fd46ad6f
children
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1 /* setsockopt.c --- wrappers for Windows setsockopt function
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2
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3 Copyright (C) 2008-2013 Free Software Foundation, Inc.
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4
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5 This program is free software: you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 3 of the License, or
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8 (at your option) any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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17
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18 /* Written by Paolo Bonzini */
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19
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20 #include <config.h>
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21
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22 #define WIN32_LEAN_AND_MEAN
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23 /* Get winsock2.h. */
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24 #include <sys/socket.h>
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25
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26 /* Get struct timeval. */
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27 #include <sys/time.h>
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28
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29 /* Get set_winsock_errno, FD_TO_SOCKET etc. */
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30 #include "w32sock.h"
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31
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32 #undef setsockopt
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33
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34 int
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35 rpl_setsockopt (int fd, int level, int optname, const void *optval, socklen_t optlen)
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36 {
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37 SOCKET sock = FD_TO_SOCKET (fd);
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38 int r;
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39
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40 if (sock == INVALID_SOCKET)
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41 {
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42 errno = EBADF;
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43 return -1;
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44 }
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45 else
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46 {
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47 if (level == SOL_SOCKET
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48 && (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO))
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49 {
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50 const struct timeval *tv = optval;
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51 int milliseconds = tv->tv_sec * 1000 + tv->tv_usec / 1000;
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52 optval = &milliseconds;
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53 r = setsockopt (sock, level, optname, optval, sizeof (int));
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54 }
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55 else
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56 {
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57 r = setsockopt (sock, level, optname, optval, optlen);
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58 }
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59
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60 if (r < 0)
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61 set_winsock_errno ();
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62
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63 return r;
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64 }
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65 }