glibc/elf/libc_early_init.c

50 lines
1.4 KiB
C

/* Early initialization of libc.so, libc.so side.
Copyright (C) 2020-2023 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
<https://www.gnu.org/licenses/>. */
#include <ctype.h>
#include <elision-conf.h>
#include <libc-early-init.h>
#include <libc-internal.h>
#include <lowlevellock.h>
#include <pthread_early_init.h>
#include <sys/single_threaded.h>
#ifdef SHARED
_Bool __libc_initial;
#endif
void
__libc_early_init (_Bool initial)
{
/* Initialize ctype data. */
__ctype_init ();
/* Only the outer namespace is marked as single-threaded. */
__libc_single_threaded = initial;
#ifdef SHARED
__libc_single_threaded_internal = __libc_initial = initial;
#endif
__pthread_early_init ();
#if ENABLE_ELISION_SUPPORT
__lll_elision_init ();
#endif
}