1/* Copyright (C) 2000-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library. If not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <unistd.h>
19#include <sys/param.h>
20#include <errno.h>
21
22#include <ldsodefs.h>
23#include <sysdep.h>
24#include <sys/syscall.h>
25
26/* Return the system page size. */
27int
28__getpagesize (void)
29{
30 int result;
31
32 if (GLRO(dl_pagesize) != 0)
33 return GLRO(dl_pagesize);
34
35 result = INTERNAL_SYSCALL_CALL (getpagesize);
36 /* The only possible error is ENOSYS. */
37 if (!INTERNAL_SYSCALL_ERROR_P (result))
38 return result;
39
40 return 4096;
41}
42libc_hidden_def (__getpagesize)
43weak_alias (__getpagesize, getpagesize)
44

source code of glibc/sysdeps/unix/sysv/linux/m68k/getpagesize.c