mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-30 08:40:07 +00:00
688903eb3e
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/* Convert floating-point exceptions from prctl form.
|
|
Copyright (C) 2013-2018 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)
|