1 /* Procedure definition for FE_NOMASK_ENV for Linux/ppc64.
2 Copyright (C) 2003, 2006, 2008 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>
22 #include <sys/syscall.h>
23 #include <sys/prctl.h>
24 #include <kernel-features.h>
27 __fe_nomask_env (void)
29 #if defined PR_SET_FPEXC && defined PR_FP_EXC_PRECISE
31 INTERNAL_SYSCALL_DECL (err
);
32 result
= INTERNAL_SYSCALL (prctl
, err
, 2, PR_SET_FPEXC
, PR_FP_EXC_PRECISE
);
33 # ifndef __ASSUME_NEW_PRCTL_SYSCALL
34 if (INTERNAL_SYSCALL_ERROR_P (result
, err
)
35 && INTERNAL_SYSCALL_ERRNO (result
, err
) == EINVAL
)
41 return FE_ENABLED_ENV
;
43 libm_hidden_def (__fe_nomask_env
)