1 | /* Create create pipe. Linux generic version. |
2 | Copyright (C) 2021-2023 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library. If not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <unistd.h> |
20 | #include <sysdep.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 |
27 | __pipe (int __pipedes[2]) |
28 | { |
29 | return INLINE_SYSCALL_CALL (pipe2, (int *) __pipedes, 0); |
30 | } |
31 | libc_hidden_def (__pipe) |
32 | weak_alias (__pipe, pipe) |
33 | |