1 /* Procedure definition for FE_MASK_ENV.
2 Copyright (C) 2007-2021 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 *
__fe_mask_env(void)27 __fe_mask_env(void)
28 {
29 __set_errno (ENOSYS);
30 return FE_DFL_ENV;
31 }
32 stub_warning (__fe_mask_env)
33