glibc/sysdeps/unix/sysv/linux/ia64/getpagesize.c

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/* Copyright (C) 1999-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <assert.h>
#include <unistd.h>
#include <sys/param.h>
#include <ldsodefs.h>
#include <sysdep.h>
#include <sys/syscall.h>
/* Return the system page size. The return value will depend on how
the kernel is configured. A program must use this call to
determine the page size to ensure proper alignment for calls such
as mmap and friends. --davidm 99/11/30 */
int
__getpagesize (void)
{
assert (GLRO(dl_pagesize) != 0);
return GLRO(dl_pagesize);
}
libc_hidden_def (__getpagesize)
weak_alias (__getpagesize, getpagesize)