1/* Define SHMLBA. Generic version.
2 Copyright (C) 2018-2022 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#ifndef _SYS_SHM_H
20# error "Never use <bits/shmlba.h> directly; include <sys/shm.h> instead."
21#endif
22
23__BEGIN_DECLS
24
25/* Segment low boundary address multiple. */
26#define SHMLBA (__getpagesize ())
27extern int __getpagesize (void) __THROW __attribute__ ((__const__));
28
29__END_DECLS
30

source code of include/x86_64-linux-gnu/bits/shmlba.h