glibc/io/pipe2.c

40 lines
1.3 KiB
C

/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <unistd.h>
#include <stddef.h>
/* Create a one-way communication channel (__pipe). If successful,
two file descriptors are stored in PIPEDES; bytes written on
PIPEDES[1] can be read from PIPEDES[0]. Apply FLAGS to the new
file descriptors. Returns 0 if successful, -1 if not. */
int
__pipe2 (int pipedes[2], int flags)
{
if (pipedes == NULL)
{
__set_errno (EINVAL);
return -1;
}
__set_errno (ENOSYS);
return -1;
}
weak_alias (__pipe2, pipe2)
stub_warning (pipe2)