blob: fe485de61277c9a9e017ff336299ca5b6260defb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/* Convert floating-point exceptions from prctl form.
Copyright (C) 2013-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <fenv_libc.h>
#include <sys/prctl.h>
/* Convert EXCEPTS from prctl bits to FE_* form, returning the
converted value. */
int
__fexcepts_from_prctl (int excepts)
{
int result = 0;
if (excepts & PR_FP_EXC_OVF)
result |= FE_OVERFLOW;
if (excepts & PR_FP_EXC_UND)
result |= FE_UNDERFLOW;
if (excepts & PR_FP_EXC_INV)
result |= FE_INVALID;
if (excepts & PR_FP_EXC_DIV)
result |= FE_DIVBYZERO;
if (excepts & PR_FP_EXC_RES)
result |= FE_INEXACT;
return result;
}
libm_hidden_def (__fexcepts_from_prctl)
|