1 | /* _Fork implementation. 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 <errno.h> |
20 | #include <unistd.h> |
21 | |
22 | /* Clone the calling process, creating an exact copy. Return -1 for errors, |
23 | 0 to the new process, and the process ID of the new process to the |
24 | old process. |
25 | Different than fork, this functions is marked as async-signal-safe by |
26 | POSIX (by Austin Group issue 62). */ |
27 | pid_t |
28 | _Fork (void) |
29 | { |
30 | __set_errno (ENOSYS); |
31 | return -1; |
32 | } |
33 | libc_hidden_def (_Fork) |
34 | stub_warning (_Fork) |
35 | |