1 /* Convert floating-point exceptions from prctl form.
2 Copyright (C) 2013-2014 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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 <http://www.gnu.org/licenses/>. */
19 #include <fenv_libc.h>
20 #include <sys/prctl.h>
22 /* Convert EXCEPTS from prctl bits to FE_* form, returning the
26 __fexcepts_from_prctl (int excepts
)
29 if (excepts
& PR_FP_EXC_OVF
)
30 result
|= FE_OVERFLOW
;
31 if (excepts
& PR_FP_EXC_UND
)
32 result
|= FE_UNDERFLOW
;
33 if (excepts
& PR_FP_EXC_INV
)
35 if (excepts
& PR_FP_EXC_DIV
)
36 result
|= FE_DIVBYZERO
;
37 if (excepts
& PR_FP_EXC_RES
)
42 libm_hidden_def (__fexcepts_from_prctl
)