1 /* Copyright (C) 2000-2014 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Andreas Schwab <schwab@suse.de>.
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/>. */
20 #include <sys/param.h>
25 #include <sys/syscall.h>
27 /* Return the system page size. */
31 #ifdef __NR_getpagesize
35 if (GLRO(dl_pagesize) != 0)
36 return GLRO(dl_pagesize);
38 #ifdef __NR_getpagesize
39 INTERNAL_SYSCALL_DECL (err);
40 result = INTERNAL_SYSCALL (getpagesize, err, 0);
41 /* The only possible error is ENOSYS. */
42 if (!INTERNAL_SYSCALL_ERROR_P (result, err))
48 libc_hidden_def (__getpagesize)
49 weak_alias (__getpagesize, getpagesize)