1 | /* Copyright (C) 2015-2016 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 | <http://www.gnu.org/licenses/>. */ |
17 | |
18 | /* Set error number and return -1. A target may choose to return the |
19 | internal function, __syscall_error, which sets errno and returns -1. |
20 | We use -1l, instead of -1, so that it can be casted to (void *). */ |
21 | #define INLINE_SYSCALL_ERROR_RETURN_VALUE(err) \ |
22 | ({ \ |
23 | __set_errno (err); \ |
24 | -1l; \ |
25 | }) |
26 | |