1 | /* Copyright (C) 1991-2022 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library 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 GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <errno.h> |
19 | #include <unistd.h> |
20 | #include <stddef.h> |
21 | |
22 | /* Create a one-way communication channel (__pipe). If successful, |
23 | two file descriptors are stored in PIPEDES; bytes written on |
24 | PIPEDES[1] can be read from PIPEDES[0]. Apply FLAGS to the new |
25 | file descriptors. Returns 0 if successful, -1 if not. */ |
26 | int |
27 | __pipe2 (int pipedes[2], int flags) |
28 | { |
29 | if (pipedes == NULL) |
30 | { |
31 | __set_errno (EINVAL); |
32 | return -1; |
33 | } |
34 | |
35 | __set_errno (ENOSYS); |
36 | return -1; |
37 | } |
38 | weak_alias (__pipe2, pipe2) |
39 | stub_warning (pipe2) |
40 | |