1 /* Copyright (C) 1992-2022 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 <unistd.h>
19
20 /* Create a one-way communication channel (pipe).
21 Actually the channel is two-way on the Hurd.
22 If successful, two file descriptors are stored in FDS;
23 bytes written on FDS[1] can be read from FDS[0].
24 Returns 0 if successful, -1 if not. */
25 int
__pipe(int fds[2])26 __pipe (int fds[2])
27 {
28 return __pipe2 (fds, 0);
29 }
30 libc_hidden_def (__pipe)
31 weak_alias (__pipe, pipe)
32