| /* Convert floating-point exceptions to prctl form. |
| Copyright (C) 2013-2014 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 FE_* form to prctl bits, returning the |
| converted value. */ |
| |
| int |
| __fexcepts_to_prctl (int excepts) |
| { |
| int result = 0; |
| if (excepts & FE_INEXACT) |
| result |= PR_FP_EXC_RES; |
| if (excepts & FE_DIVBYZERO) |
| result |= PR_FP_EXC_DIV; |
| if (excepts & FE_UNDERFLOW) |
| result |= PR_FP_EXC_UND; |
| if (excepts & FE_OVERFLOW) |
| result |= PR_FP_EXC_OVF; |
| if (excepts & FE_INVALID) |
| result |= PR_FP_EXC_INV; |
| return result; |
| } |
| |
| libm_hidden_def (__fexcepts_to_prctl) |
