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44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/* Procedure definition for FE_NOMASK_ENV for Linux/ppc64.
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Copyright (C) 2003 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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <fenv.h>
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#include <errno.h>
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#include <sysdep.h>
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#include <sys/syscall.h>
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#include <sys/prctl.h>
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#include "kernel-features.h"
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const fenv_t *
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__fe_nomask_env (void)
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{
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#if defined PR_SET_FPEXC && defined PR_FP_EXC_PRECISE
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int result;
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INTERNAL_SYSCALL_DECL (err);
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result = INTERNAL_SYSCALL (prctl, err, 2, PR_SET_FPEXC, PR_FP_EXC_PRECISE);
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# ifndef __ASSUME_NEW_PRCTL_SYSCALL
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if (INTERNAL_SYSCALL_ERROR_P (result, err)
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&& INTERNAL_SYSCALL_ERRNO (result, err) == EINVAL)
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__set_errno (ENOSYS);
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# endif
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#else
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__set_errno (ENOSYS);
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#endif
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return FE_ENABLED_ENV;
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}
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