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- /* Create a pipe.
- Copyright (C) 2009-2021 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License along
- with this program; if not, see <https://www.gnu.org/licenses/>. */
- #include <config.h>
- /* Specification. */
- #include <unistd.h>
- #if defined _WIN32 && ! defined __CYGWIN__
- /* Native Windows API. */
- /* Get _pipe(). */
- # include <io.h>
- /* Get _O_BINARY. */
- # include <fcntl.h>
- int
- pipe (int fd[2])
- {
- /* Mingw changes fd to {-1,-1} on failure, but this violates
- http://austingroupbugs.net/view.php?id=467 */
- int tmp[2];
- int result = _pipe (tmp, 4096, _O_BINARY);
- if (!result)
- {
- fd[0] = tmp[0];
- fd[1] = tmp[1];
- }
- return result;
- }
- #else
- # error "This platform lacks a pipe function, and Gnulib doesn't provide a replacement. This is a bug in Gnulib."
- #endif
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