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maint: Run 'make update-copyright'
author Paul Eggert <eggert@cs.ucla.edu>
date Tue, 01 Jan 2019 00:25:11 +0100
parents beb2ad957aca
children
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1 /* Create a pipe.
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2 Copyright (C) 2009-2019 Free Software Foundation, Inc.
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3
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4 This program is free software; you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 2, or (at your option)
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7 any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License along
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15 with this program; if not, see <https://www.gnu.org/licenses/>. */
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16
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17 #include <config.h>
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18
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19 /* Specification. */
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20 #include <unistd.h>
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21
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22 #if defined _WIN32 && ! defined __CYGWIN__
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23 /* Native Windows API. */
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24
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25 /* Get _pipe(). */
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26 # include <io.h>
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27
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28 /* Get _O_BINARY. */
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29 # include <fcntl.h>
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30
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31 int
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32 pipe (int fd[2])
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33 {
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34 /* Mingw changes fd to {-1,-1} on failure, but this violates
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35 http://austingroupbugs.net/view.php?id=467 */
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36 int tmp[2];
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37 int result = _pipe (tmp, 4096, _O_BINARY);
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38 if (!result)
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39 {
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40 fd[0] = tmp[0];
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41 fd[1] = tmp[1];
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42 }
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43 return result;
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44 }
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45
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46 #else
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47
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48 # error "This platform lacks a pipe function, and Gnulib doesn't provide a replacement. This is a bug in Gnulib."
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49
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50 #endif