1 | /* Procedure definition for FE_MASK_ENV. |
2 | Copyright (C) 2007-2024 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 <fenv.h> |
20 | #include <errno.h> |
21 | |
22 | /* This is a generic stub. An OS specific override is required to clear |
23 | the FE0/FE1 bits in the MSR. MSR update is privileged, so this will |
24 | normally involve a syscall. */ |
25 | |
26 | const fenv_t * |
27 | __fe_mask_env(void) |
28 | { |
29 | __set_errno (ENOSYS); |
30 | return FE_DFL_ENV; |
31 | } |
32 | stub_warning (__fe_mask_env) |
33 | |