/* Support for single-thread optimizations.
|
Copyright (C) 2020-2021 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/>. */
|
|
#ifndef _SYS_SINGLE_THREADED_H
|
#define _SYS_SINGLE_THREADED_H
|
|
#include <features.h>
|
|
__BEGIN_DECLS
|
|
/* If this variable is non-zero, then the current thread is the only
|
thread in the process image. If it is zero, the process might be
|
multi-threaded. */
|
extern char __libc_single_threaded;
|
|
__END_DECLS
|
|
#endif /* _SYS_SINGLE_THREADED_H */
|
