glibc/misc/single_threaded.c

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/* Support for single-thread optimizations. Statically linked version.
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 <sys/single_threaded.h>
/* In dynamically linked programs, this variable is initialized in
__libc_early_init (as false for inner libcs). */
#ifdef SHARED
char __libc_single_threaded;
#else
char __libc_single_threaded = 1;
#endif
libc_hidden_data_def_alias (__libc_single_threaded,
__libc_single_threaded_internal)