1 /* Create create pipe. Linux generic version.
2 Copyright (C) 2021-2022 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
__pipe(int __pipedes[2])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