1/* Early initialization of libc.so, libc.so side.
2 Copyright (C) 2020-2023 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#include <ctype.h>
20#include <elision-conf.h>
21#include <libc-early-init.h>
22#include <libc-internal.h>
23#include <lowlevellock.h>
24#include <pthread_early_init.h>
25#include <sys/single_threaded.h>
26
27#ifdef SHARED
28_Bool __libc_initial;
29#endif
30
31void
32__libc_early_init (_Bool initial)
33{
34 /* Initialize ctype data. */
35 __ctype_init ();
36
37 /* Only the outer namespace is marked as single-threaded. */
38 __libc_single_threaded = initial;
39
40#ifdef SHARED
41 __libc_single_threaded_internal = __libc_initial = initial;
42#endif
43
44 __pthread_early_init ();
45
46#if ENABLE_ELISION_SUPPORT
47 __lll_elision_init ();
48#endif
49}
50