51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
|
/* 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
|