1 /* Procedure definition for FE_MASK_ENV for Linux/ppc64.
2    Copyright (C) 2007-2022 Free Software Foundation, Inc.
3    This file is part of the GNU C Library.
4 
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.
9 
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.
14 
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    <https://www.gnu.org/licenses/>.  */
18 
19 #include <fenv.h>
20 #include <errno.h>
21 #include <sysdep.h>
22 #include <sys/syscall.h>
23 #include <sys/prctl.h>
24 
25 const fenv_t *
__fe_mask_env(void)26 __fe_mask_env (void)
27 {
28 #if defined PR_SET_FPEXC && defined PR_FP_EXC_DISABLED
29   INTERNAL_SYSCALL_CALL (prctl, PR_SET_FPEXC, PR_FP_EXC_DISABLED);
30 #else
31   __set_errno (ENOSYS);
32 #endif
33   return FE_DFL_ENV;
34 }
35