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/* Copyright (C) 2000-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Schwab <schwab@suse.de>.
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
<https://www.gnu.org/licenses/>. */
#include <unistd.h>
#include <sys/param.h>
#include <errno.h>
#include <ldsodefs.h>
#include <sysdep.h>
#include <sys/syscall.h>
/* Return the system page size. */
int
__getpagesize (void)
{
int result;
if (GLRO(dl_pagesize) != 0)
return GLRO(dl_pagesize);
result = INTERNAL_SYSCALL_CALL (getpagesize);
/* The only possible error is ENOSYS. */
if (!INTERNAL_SYSCALL_ERROR_P (result))
return result;
return 4096;
}
libc_hidden_def (__getpagesize)
weak_alias (__getpagesize, getpagesize)
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