2013-10-18 21:03:40 +00:00
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/* Convert floating-point exceptions to prctl form.
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2014-01-01 11:03:15 +00:00
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Copyright (C) 2013-2014 Free Software Foundation, Inc.
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2013-10-18 21:03:40 +00:00
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <fenv_libc.h>
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#include <sys/prctl.h>
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/* Convert EXCEPTS from FE_* form to prctl bits, returning the
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converted value. */
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int
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__fexcepts_to_prctl (int excepts)
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{
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int result = 0;
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if (excepts & FE_INEXACT)
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result |= PR_FP_EXC_RES;
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if (excepts & FE_DIVBYZERO)
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result |= PR_FP_EXC_DIV;
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if (excepts & FE_UNDERFLOW)
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result |= PR_FP_EXC_UND;
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if (excepts & FE_OVERFLOW)
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result |= PR_FP_EXC_OVF;
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if (excepts & FE_INVALID)
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result |= PR_FP_EXC_INV;
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return result;
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}
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libm_hidden_def (__fexcepts_to_prctl)
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