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/* GNU Objective C Runtime @synchronized implementation - Private functions
Copyright (C) 2010-2021 Free Software Foundation, Inc.
Contributed by Nicola Pero <>
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
GCC 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 General Public License for more
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<>. */
#ifndef __objc_private_objc_sync_INCLUDE_GNU
#define __objc_private_objc_sync_INCLUDE_GNU
/* This function needs to be called at startup before @synchronized()
can be used. */
__objc_sync_init (void);
#endif /* not __objc_private_objc_sync_INCLUDE_GNU */