| 1 | /* Create a pipe. |
| 2 | Copyright (C) 2009-2014 Free Software Foundation, Inc. |
| 3 | |
| 4 | This program is free software; you can redistribute it and/or modify |
| 5 | it under the terms of the GNU Lesser General Public License as published by |
| 6 | the Free Software Foundation; either version 2, or (at your option) |
| 7 | any later version. |
| 8 | |
| 9 | This program 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 |
| 12 | GNU Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public License along |
| 15 | with this program; if not, see <http://www.gnu.org/licenses/>. */ |
| 16 | |
| 17 | #include <config.h> |
| 18 | |
| 19 | /* Specification. */ |
| 20 | #include <unistd.h> |
| 21 | |
| 22 | #if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ |
| 23 | /* Native Windows API. */ |
| 24 | |
| 25 | /* Get _pipe(). */ |
| 26 | # include <io.h> |
| 27 | |
| 28 | /* Get _O_BINARY. */ |
| 29 | # include <fcntl.h> |
| 30 | |
| 31 | int |
| 32 | pipe (int fd[2]) |
| 33 | { |
| 34 | /* Mingw changes fd to {-1,-1} on failure, but this violates |
| 35 | http://austingroupbugs.net/view.php?id=467 */ |
| 36 | int tmp[2]; |
| 37 | int result = _pipe (tmp, 4096, _O_BINARY); |
| 38 | if (!result) |
| 39 | { |
| 40 | fd[0] = tmp[0]; |
| 41 | fd[1] = tmp[1]; |
| 42 | } |
| 43 | return result; |
| 44 | } |
| 45 | |
| 46 | #else |
| 47 | |
| 48 | # error "This platform lacks a pipe function, and Gnulib doesn't provide a replacement. This is a bug in Gnulib." |
| 49 | |
| 50 | #endif |