1 | /* Set floating-point environment exception handling. |
2 | Copyright (C) 1997-2022 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 <fenv_libc.h> |
20 | |
21 | int |
22 | __fesetexceptflag (const fexcept_t *flagp, int excepts) |
23 | { |
24 | unsigned long int tmp; |
25 | |
26 | /* Get the current exception state. */ |
27 | tmp = __ieee_get_fp_control (); |
28 | |
29 | /* Set all the bits that were called for. */ |
30 | tmp = (tmp & ~SWCR_STATUS_MASK) | (*flagp & excepts & SWCR_STATUS_MASK); |
31 | |
32 | /* And store it back. */ |
33 | __ieee_set_fp_control (tmp); |
34 | |
35 | /* Success. */ |
36 | return 0; |
37 | } |
38 | |
39 | #include <shlib-compat.h> |
40 | #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) |
41 | strong_alias (__fesetexceptflag, __old_fesetexceptflag) |
42 | compat_symbol (libm, __old_fesetexceptflag, fesetexceptflag, GLIBC_2_1); |
43 | #endif |
44 | |
45 | versioned_symbol (libm, __fesetexceptflag, fesetexceptflag, GLIBC_2_2); |
46 | |