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).
23 If successful, two file descriptors are stored in PIPEDES;
24 bytes written on PIPEDES[1] can be read from PIPEDES[0].
25 Returns 0 if successful, -1 if not. */
26 int
__pipe(int __pipedes[2])27 __pipe (int __pipedes[2])
28 {
29 if (__pipedes == NULL)
30 {
31 __set_errno (EINVAL);
32 return -1;
33 }
34
35 __set_errno (ENOSYS);
36 return -1;
37 }
38 libc_hidden_def (__pipe)
39 stub_warning (pipe)
40
41 weak_alias (__pipe, pipe)
42