| /* Convert floating-point exceptions from 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 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) |