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43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/* Convert floating-point exceptions from prctl form.
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Copyright (C) 2013-2016 Free Software Foundation, Inc.
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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 prctl bits to FE_* form, returning the
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converted value. */
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int
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__fexcepts_from_prctl (int excepts)
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{
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int result = 0;
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if (excepts & PR_FP_EXC_OVF)
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result |= FE_OVERFLOW;
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if (excepts & PR_FP_EXC_UND)
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result |= FE_UNDERFLOW;
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if (excepts & PR_FP_EXC_INV)
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result |= FE_INVALID;
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if (excepts & PR_FP_EXC_DIV)
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result |= FE_DIVBYZERO;
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if (excepts & PR_FP_EXC_RES)
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result |= FE_INEXACT;
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return result;
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}
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libm_hidden_def (__fexcepts_from_prctl)
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