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Edit File: single_threaded.h
/* 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 */