| 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 |
| 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 | |